4.VFD SPEC. REV.1.pdf

16-QMP-05-3B

CHAPTER 4 TECHNICAL SPECIFICATION FOR HV VARIABLE FREQUENCY DRIVE SYSTEM

02

12.04.12

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29.03.12

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21.02.12

Rev.

Date

CLIENT COMMENTS INCORPORATED AND REISSUED FOR USE CLIENT COMMENTS INCORPORATED AND REISSUED FOR USE ISSUED FOR USE

Triune Energy Services Pvt. Ltd. New Delhi

Description TECHNICAL SPECIFICATION FOR HV VARIABLE FREQUENCY DRIVE SYSTEM

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1.

Scope

The equipment listed below shall be supplied in accordance with the requirements specified in this document, equipment data sheet, specification applicable codes and standards and other documents attached/ referred herein. Sl. No.

Quantity

STATION

Description 6.6kV, 3phase, minimum 18 pulse variable speed drive (VSD) system suitable for 2 Nos. New Pump Motor of 2750kW (Estimated rating) and 1 No. Existing 750kW (Refer Attach Motor Data Sheet for Detail) including Dry type VSD transformer.

1.

2 SET

KHOPOLI

VSD Set/System shall be complete with the following as per attached system configuration: 1. One No. Synchronous Panel. 2. One No. Common Drive Logic Panel. 3. One Set. of Down Stream Breakers Panel Board (Consists of 9 Nos. of Breakers). 4. Interconnecting Power & Control Control Cables required for the above VSD System. 5. 3 Nos. of Local Control panels. 6. Addition/ Modification of Existing 6.6kV Switchboard. 7. Any required change in control scheme. Note: Both VFDs shall have option for cross-selection of motor according to the pump which is under operation as per attached system configuration. Same VFD shall be suitable for both rating of motor i.e. 2750kW & 750kW.

2

1 SET For each rating

-

Special Tools and Tackles required for the erection, testing, commissioning, operation and maintenance of Complete System at Khopoli.

3


-

Recommended Commissioning Spare Parts for Complete System at each location Khopoli.

4


-

Mandatory Spares as per vendor recommendation for Complete System at each location Khopoli.

5


-

Recommended 2 year operation & maintenance Spare (Vendor to submit unit rate separately for the same)

Notes: 1. Vendor to visit visit site (At Khopoli) before submitting offer and analyze analyze required 6.6kV switchgear modification/addition as per attached system configuration and indicate the same in their offer. All the required modifications/additions due to addition of VFD system in the 6.6kV switchboard are in the scope of vendor. Vendor to check and indicate interface requirement with UCP Panel and Station PLC. All interface requirements and any changes in control scheme are in the scope of vendor. 2. Vendor’s scope of work includes design, engineering, manufacturing, shop testing, inspection of bought out items and supply of all electrical equipments.

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TECHNICAL SPECIFICATION FOR HV VARIABLE FREQUENCY DRIVE Triune Energy Services Pvt. Ltd. SYSTEM

New Delhi

Std. / Doc. Number

Rev.

9579-02-TS-102

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Sheet 2 of 35

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1.

Scope

The equipment listed below shall be supplied in accordance with the requirements specified in this document, equipment data sheet, specification applicable codes and standards and other documents attached/ referred herein. Sl. No.

Quantity

STATION

Description 6.6kV, 3phase, minimum 18 pulse variable speed drive (VSD) system suitable for 2 Nos. New Pump Motor of 2750kW (Estimated rating) and 1 No. Existing 750kW (Refer Attach Motor Data Sheet for Detail) including Dry type VSD transformer.

1.

2 SET

KHOPOLI

VSD Set/System shall be complete with the following as per attached system configuration: 1. One No. Synchronous Panel. 2. One No. Common Drive Logic Panel. 3. One Set. of Down Stream Breakers Panel Board (Consists of 9 Nos. of Breakers). 4. Interconnecting Power & Control Control Cables required for the above VSD System. 5. 3 Nos. of Local Control panels. 6. Addition/ Modification of Existing 6.6kV Switchboard. 7. Any required change in control scheme. Note: Both VFDs shall have option for cross-selection of motor according to the pump which is under operation as per attached system configuration. Same VFD shall be suitable for both rating of motor i.e. 2750kW & 750kW.

2


-

Special Tools and Tackles required for the erection, testing, commissioning, operation and maintenance of Complete System at Khopoli.

3


-

Recommended Commissioning Spare Parts for Complete System at each location Khopoli.

4


-

Mandatory Spares as per vendor recommendation for Complete System at each location Khopoli.

5


-

Recommended 2 year operation & maintenance Spare (Vendor to submit unit rate separately for the same)

Notes: 1. Vendor to visit visit site (At Khopoli) before submitting offer and analyze analyze required 6.6kV switchgear modification/addition as per attached system configuration and indicate the same in their offer. All the required modifications/additions due to addition of VFD system in the 6.6kV switchboard are in the scope of vendor. Vendor to check and indicate interface requirement with UCP Panel and Station PLC. All interface requirements and any changes in control scheme are in the scope of vendor. 2. Vendor’s scope of work includes design, engineering, manufacturing, shop testing, inspection of bought out items and supply of all electrical equipments.

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3.

4.

5. 6. 7. 8.

Pumps shall be fed from VSD system which includes input converter transformer. Protection and Metering for VSD system shall be as per attached specifications for VSD system and referred codes and standards. VSD panel shall be located located in the sub-station. Vendor to indicate requirement of Air-conditioned room for the same (If any). However, equipment shall be suitable for operation even during failure of Air-Condition. With reference to limits of harmonics harmonics as per IEEE 519, the harmonics are to be controlled at 6.6kV bus. The overall power factor of the drives at 100% load shall not be less than 0.99 Any other accessory, fixing hardware, switches etc. which shall be required for satisfactory operation and completeness shall be provided by vendor. Type test certificates and utility consumption list shall be submitted with the offer. Inspection and Testing at works shall be as per VSD specification.

9. Final Documentation: A. Vendor to furnish Hard Copy and electronic files of all the documents indicated for final documentation in addition of hard copy. B. Vendor to furnish all drawings and documents either in MS Word, MS Excel, Autocad, Microstation stored in electronic media. C. Final documentation shall be provided along with hard copies in compact disc compatible with standard PC based application. D. All operating and maintaining instructions in in electronic media or in scanned images converted in electronic media. Final documentation shall be provided in CD with proper index along with hard copies. ORDER OF PRECENDENCE: 1. Statutory Rules and Regulations 2. This Requisition 3. Equipment Data Sheet 4. Standard specification 5. Codes and Standards

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1.0

SCOPE These specification covers design, manufacturing, testing at works, packing and supply of High Voltage (6.6KV), AC Variable Frequency Drive system along with bypass isolators. The VFD system shall be compatible with Squirrel Cage Induction Motor as specified in specification no. 9579-02-TS-101 and complete with converter, converter input transformer (if required), DC link reactor with associated auxiliaries, harmonic filters (if required), isolators, field mounted local control panel etc. as detailed below.

2.0

GENERAL The Vendor shall be responsible for engineering and functioning of the complete system, meeting the requirement of this specification and data sheets. This shall include but not be limited to inverter sizing, input transformer sizing, transformer impedance selection, vector group, input and output harmonic filter(if required) design and sizing, output dv/dt filter sizing, isolator rating, motor cable selection/ sizing and motor sizing / selection.

3.0

SITE CONDITIONS

3.1

The VFD and all other associated equipments shall be suitable for operating satisfactorily in humid and highly corrosive atmosphere prevailing in refineries and other petroleum installations. Ambient temperature: 5 to 50 0C. Humidity: 95% Altitude: less than 1000m above MSL.

3.2

The AC drive (with or without in built converter transformer) & isolators shall be installed indoors in a non-hazardous room, as specified in data sheet. Motor shall be installed outdoors in hazardous area as specified in datasheet. The vendor shall furnish the required clearances in VFD room including layout, earthing requirement and the required capacity of AC, if any, for efficient and reliable operation of the VFD.

3.3

VFD system shall be designed for continuous duty as per nameplate rating under the specified ambient conditions.

4.0

APPLICABLE CODES AND STANDARDS

4.1

The equipment shall comply with the requirements of latest revision of following standards issued by BIS (Bureau of Indian Standards), unless otherwise specified.

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The offered equipment shall comply with latest editions of following standards. The vendor shall clearly bring out in the offer the applicable standard for every feature of the offered component, if different from the following standards. IS-3700

: Essential ratings and characteristic of semi-conductor devices

IS-3715

: Letter symbols for semi-conducting devices

IS-4411

: Code of designation of semi-conducting devices

IS-5001

: Guide for preparation of drawings for semi-conductor devices

IS-5469

: Code of practice for the use of semi-conductor junction devices

IS-6297

: Transformers and indicators for electronic equipment

IS-8789

: Performance parameters for motors

IS-12729

: Switchgear and control gear for voltages exceeding 1000V- General requirements

IS-13408

: Code of practice for the selection, installation and maintenance of electrical apparatus for use in potentially explosive atmospheres

IEC 146

: Semi Conductor converters

IEC 297

: Dimension of panels and racks

IEC 326

:General requirements and measuring methods for printed wiring boards

IEC 352

: Solder less wrapped connection

IEEE 444

: Protection standards for converters

IEEE 519

: Harmonic control & reactive compensation of static power converters

DIN 41488

: Electrical engineering dimensions

In case Indian standards are not available for any particular equipment, standards issued by IEC/BS/VDE/ IEEE/NEMA/UL/FM/CE or equivalent agency shall be applicable. 5.0

GENERAL REQUIREMENTS

5.1

The offered equipment shall be brand new with state of art technology and proven field track record. No prototype equipment shall be offered.

5.2

The VFD model offered shall be from the existing VFD model series in the regular manufacturing range of the manufacturer. Along with the offer the Vendor should submit the supply record and satisfactory performance record for 8000 Hr running of the VFD supplied in India or abroad in a hydrocarbon industry (Preferably in a petroleum oil pipeline).

5.3

Vendor shall ensure availability of spare parts and maintenance support services for the offered equipment for at least for 15 years from the date of supply. The Std. / Doc. Number Rev.

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offered VFD manufacturer should have their maintenance service & spares supply network in India to provide quick maintenance service & Spares supply support. The vendor shall indicate the source for supply of spares & Maintenance service location in India. 5.4

Vendor shall ensure proper coordination with the driven equipment supplier in selection / sizing of offered variable frequency drive system.

6.0

TECHNICAL REQUIREMENT

6.1

Performance Requirement

6.1.1 The system shall be fully digital, Microprocessor based, energy efficient, and shall provide very high reliability, high power factor, low harmonic distortion and low vibration and wear and noise. It shall be easy to install in minimum time and expense and no special tools shall be required for routine maintenance. 6.1.2 The system shall be designed to deliver the motor input current and torque for the complete speed torque characteristics of the driven equipment, with maximum input supply voltage variation of +10% and frequency variation of +3%. The system shall be suitable for the load characteristics and the operational duty of the driven equipment. 6.1.3 It shall be capable of withstanding the thermal and dynamic stresses and the transient mechanical torque, resulting from short circuit. Any damage resulting from such a short circuit or internal fault shall be limited to the component concerned. 6.1.4 The drive system shall be designed to operate in one or more of the following operating modes as to suit characteristics of the driven equipment or specified in the data sheet: a.

Variable torque changing as a function of speed i.e. speed squared

b.

Constant torque over a specific speed range.

c.

Constant power over a specific speed range where the torque decreases when speed increases.

d.

Any other as specified in data-sheet

6.1.5 The drive controller shall be equipped with microprocessor based digital regulator with programmable functions. The power control regulator logic shall provide for an acceleration / deceleration current limit curve and shall be capable of field adjustments

without

shutting

the

system

down.

Linear

acceleration

and

deceleration shall be separately programmable from 0.1 second to 20 second.

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6.1.6 The system shall be suitable for single quadrant operation and the speed variation shall be within range 10-110% with speed set accuracy of +1% of rated maximum speed and steady state regulation of +0.5% of rated speed. The total harmonic distortion (THD) of the voltage and current at inverter output shall be as per IEC 61800-4 and it shall be considered in the design of the motor. 6.1.7 Harmonics at the supply side of the drive system i.e. at primary of the main input transformer shall be restricted within the maximum allowable levels of current and voltage distortion as per recommendations in the latest edition of IEEE-519. Harmonic studies shall be conducted with maximum and minimum system fault level, cable capacitance, system equipment reactance etc. The studies shall highlight but not be limited to maximum load current, expected resonant frequencies, need of harmonic filters, sequence of switching of filters, voltage wave form etc. 6.1.8 Unless otherwise specified, the overload capacity of the controller shall be 150% of rated current of motor for one minute for constant torque applications, and 115 % of rated current for one minute for variable torque applications at rated voltage. If the motor load exceeds the limit, the drive shall automatically reduce the frequency and voltage to the motor to guard against overload. If load demand exceeds the current limit for more than 1 minute, the drive shall shut down to prevent over heating of the motor and damage to the drive. 6.1.9 During operation, the system shall be capable of developing sufficient torque under all load conditions to respond to a 20% alteration in speed set point within a time limit up to 60 seconds. 6.1.10 The integrator action of the speed set point alteration shall be independently adjustable for both an upward and a downward alteration. The minimum time interval between set point adjustments by the distributed control system shall be considered as 10 seconds. 6.1.11 The drive shall trip in case the speed exceeds 110% of the maximum operational speed or reduces to 95% of the minimum operational speed for more than 10 seconds. 6.1.12 Maximum noise level from the drive at 1-meter distance, under rated load with all normal cooling fans operating shall not exceed 85 dBA. 6.1.13 Variable frequency drive shall be arranged so that it can be operated in an open circuit mode, disconnected from the motor for startup adjustments and troubleshooting / maintenance.

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6.1.14 VFD should have by-pass system for running of motor on DOL in case of any problem in VFD. By-pass system should be provided with 3 vacuum contactors of 6.6 KV voltage level & suitable current rating corresponding to Motor & VFD rating. All the three contactors shall have Mechanical & Electrical interlocks. Also, Contactors should have Electrical interlock with VFD. Vendor is to furnish the detailed scheme, catalogue & datasheet of contactor, interlock details etc. with VFD for owner approval. 6.1.15 Voltage at Motor Neutral shall be maintained at ground potential for the total operating condition. 6.1.16 Motor space heater supply for approximate rating of 240 V, 400 Watts is to be provided in VFD Panel interlocked with VFD Run command i.e. when Motor is running, motor space heater shall be OFF and when Motor is stopped, motor space heater shall be ON. In case of bypass mode operation of Motor, a contact shall be taken from Bypass Mechanism so that logic for Space heater is ensured i.e. heater is ON when Motor is stopped and vice-versa. 6.2

Control Requirement

6.2.1 The system shall operate on constant v/f supply with required boost capability in low frequency mode of operation. 6.2.2 Short time voltage dips up to 20% of nominal voltage (e.g. in case of a large motor start up connected to the same bus as VFD) shall not cause the control system to stop functioning and shall not trip the drive system. 6.2.3 The system shall also be equipped with a facility which will restart the system in case of voltage dip over 20% of power interruptions for min. 2 seconds, with recovery of the voltage to its nominal value, with a facility to block the automatic restart if required by the operator. Upon restart the converter shall be capable of synchronizing onto a rotating motor and develop full acceleration torque within 10 seconds. 6.2.4 The system shall be suitable for number of starts as per the specifications of the Motor in chapter-3. 6.2.5 The power controller shall be controlled to always start the motor in the forward direction. Logic shall be provided to prevent the motor from being started in the reverse direction.

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6.2.6 The drive motor shall be speed controlled corresponding to 4-20 mA or 0-10V reference input signal, the drive shall automatically run at constant speed as at 80-110% of the last speed reference available prior to the loss of signal. 6.2.7 It shall be possible to vary the speed of the drive in either Local or Remote mode. Local / Remote selection shall be from VFD panel unless otherwise specified. a. With the selector switch in “ Local” mode, the operator shall be able to set the speed through keypad, mounted on front of the drive panel. b. With the selector switch in “ Remote” mode, speed of the motor shall be controlled from a 4-20 mA signal, from owner‟s PLC/SCADA system. The relationship between the speed, torque and the reference signal (4-20mA) within the operational speed shall be linear. Necessary equipment required for interfacing with PLC/SCADA shall also be provided in the drive panel. 6.2.8 The required provision for the interface with remote PLC/SCADA located at control room shall be through hardwiring of interface signals (DI/DO/AI/AO) with potential

free

contacts

and

transducers.

Also,

provision

for

MODBUS

communication (RS 485) from VFD to Owners control panel shall be made available. Vendor shall provide protocol details, mapping and addresses to be taken by Owner‟s panel.

6.3

Panel Construction

6.3.1 The drive shall be suitably housed in sheet steel panels fabricated with 2 mm thick cold rolled sheet steel. The panel shall be suitable for indoor installation. The panel shall be free standing, dust and vermin proof with degree of enclosure protection as IP-4X. The maximum and minimum operating height shall be 1800 mm and 300 mm respectively. 6.3.2 The cable entry shall be from the bottom of the panel and bolted un-drilled gland plate shall be provided. Clamp type terminals shall be used for connection of all wire up to 10 mm2 and terminal for higher sizes shall be bolted type suitable for cable lugs. Minimum space for power cable termination shall be 600 mm clear from bottom of the cable gland plate. 6.3.3 Bus bars shall be of electrolytic copper/aluminium, colour coded separately for AC and DC system. All the live parts shall be sleeved / shrouded to ensure complete safety to personnel intending to carry out routine inspection by opening the panel doors. All the equipment inside the panel and on the doors shall be provided with suitable nameplate.

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6.3.4 The panel shall include suitable semi conducting power devices (Diodes / IGBT/IGCT/SGCT) modules with protective devices, reactors (if required), filters (if required), control circuit, control accessories, indication and annunciation etc. The construction of the panel shall provide effective protection against electromagnetic emissions and shall be the design requirement of integrated standards. 6.3.5 Upstream breaker „ON/OFF/TRIP‟ indications and remote breaker closing and tr ip push button shall be provided on the front door. 6.3.6 Safety interlock shall be provided so that power cabinet can‟t be opened u nless the upstream breaker is disconnected, safety-grounding switch is closed and DC link capacitor is discharged. 6.3.7 All the switches, component and accessories, which are essential for normal and emergency operation, shall be mounted on the door and shall be operable externally. All the analogue instruments, where provided, shall be switchboard type, back connected, 96 mm x 96 mm. Scale shall have red mark indicating maximum permissible operating rating. 6.3.8 Panels except power cell chamber shall be provided with illuminating lamp with switch and fuse. 5/15A, 240V power socket with switch and fuse shall be provided. Each panel shall have space heater with switch fuse/MCB and variable setting thermostat. 6.3.9 Copper earth bus of minimum size 30 x 6 mm upto short circuit withstand capacity of 31.5 KA and 50 x 6 mm for a short circuit withstand capacity above 31.5 KA shall be provided in the panel with provision for connection to Owners plant earth grid. All the non-metallic components / parts shall be connected to the main earth bus bar. Separate earth bus bar and stud for electronic control system shall be provided. 6.3.10 All the metal parts shall be treated so as to ensure efficient anti-corrosive protection. Hardwares shall be zinc passivated or electro-galvanized. Panel enclosure and structure supports shall be thoroughly cleaned and degreased to remove mill scale and rust etc. External surface shall be prepared for final painting shade of RAL 7032 (Siemens grey) as per DIN. 6.3.11 All panels shall be of same height so as to form a uniform line-up, to give good aesthetic appearance. 6.3.12 All the control wiring shall be enclosed in plastic / metal channel. Each wire shall be identified at both ends by self-sticking wire marker tapes or PVC ferrules. Power and control wiring inside the panel shall be done with BIS approved, PVC

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insulated, fire retardant, copper conductor wire 1.5 mm 2 size wire shall normally be used provided the control fuse rating is 10 Amps or less and 2.5 mm 2 size for control fuse rating 16 A & above for electrical circuits and 0.5 mm 2 for electronic circuits. All wires shall be ferruled and terminals shall be properly numbered, minimum 20% spare terminal shall be provided. 6.3.13 All electronic modules and components shall be accessible from front of panel only. Modular assemblies for both the system control electronic equipment and power electronic equipments shall be used. 6.3.14 All low voltage compartment and cabling shall be electrically and physically separated from the high voltage compartment. 6.3.15 Suitable removable type hooks shall be provided for lifting the panel. 6.3.16 Suitable transparent insulating material shall be used for covering live components. 6.3.17 Drive keypad, operator control panel required for control, monitoring and measurements shall be supplied and installed outside the panel on the front door. It shall be accessible for operation without opening the front door and shall be non-removable type. 6.3.18 All equipment shall be complete with cable glands, lugs etc. and cable glands shall be double compression type. 6.3.19 DC link capacitor and pre-charging and discharging circuit shall preferably be mounted in the rear of the panel. 6.4

Cooling

6.4.1 The drive panel shall be naturally air cooled as per manufacturer‟s standards. If unavoidable, forced type-cooling system shall be provided. Vendor shall ensure that the panel dimensions and flow paths have been designed for continuous running at the specified ambient without over hearting & suggest the cooling system to be provided in VFD room considering heat generation in VFD & 50 deg Cent ambient temp. 6.4.2 For fan cooled drives, redundant cooling fans (N+1) shall be provided. In case the redundant fan is not possible to be mounted, same shall be supplied loose. 6.4.3 Necessary starter shall be provided with in the VFD panels for the Ventilation fans and any other auxiliary motors etc. The system provided shall be interfaced with drive starting and shut down such that safety interlocks such as Start Permissive

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from cooling system to drive and trip signal from cooling system to drive in case of cooling system failure etc. shall be incorporated in the overall sequence logic. 6.5

Equipment / Component Specification

6.5.1 Motor The motor shall be designed, constructed and tested in accordance with the owner‟s specification / data sheet (refer specification no. 9579-02-TS-101) for high

voltage induction motor, in addition to the following requirements: a. The motor shall be suitable for operation with a solid state power supply consisting of an adjustable frequency inverter for speed control and DOL. b. The motor shall be suitable for the current waveforms produced by the power supply including the harmonics generated by the drive. c. The motor shall be designed to operate continuously at any speed over the range (10-110%) of rated speed unless otherwise specified in data sheet. d. The permitted voltage variation should take into account the steady state voltage drop across the AC drive and all other system components upstream of the motor. e. The motor shall be constructed to withstand torque pulsations resulting from harmonics generated by the solid-state power supply. f.

The motor insulation shall be designed to accept the applied voltage waveform, within the Vpeak and dv/dt limits as per IEC-61800-4.

g. The drive manufacturer shall be solely responsible for proper selection of the motor for the given load application and the output characteristics of the drive. For detailed motor specification and data sheet refer specification no. 9579-02-TS101. 6.5.2 Converter Transformer a) The converter transformer, if provided, shall be copper wound dry type. Insulation class of dry type transformer shall be H with temperature rise of body limited to 75°C. Dry type transformer shall preferably be mounted inside the drive system panel. The impedances of converter input transformers with more than one secondary winding for minimum 18 pulse systems shall be selected to ensure equal load / current sharing between the secondary windings, the converters and the motor windings under all operational conditions including starting and restarting. b) The transformation ratio, impedances, taps and secondary voltage shall be chosen by the drive vendor to optimize system performance.

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c) The transformer shall be designed, manufactured and tested in accordance with latest applicable Indian standards or equivalent international standards. d) Transformer for operation with converters shall be suitable for operation with non-sinusoidal wave shape and DC components under normal and abnormal conditions of the system without exceeding the temperature. 6.5.3 Power Converter a. The static power converter shall consist of a line side converter for operation as a rectifier and a load side power converter for operation as a fully controller inverter. Power converter shall be fast switching, most efficient and low loss type. b. The converter shall be co-ordinated with the transformers. The converter shall be able to withstand a three phase short circuit current until interrupted by normal breaker operation. c. Adequate short circuit and over voltage protection shall be provided for the converter and inverter system. d. All power converter devices shall include protective devices, snubber networks and dv/dt networks as required. e. The current rating of the converter‟s semi -conductor components shall not be less than 120% of the nominal current flowing through the elements at full load of the VFD through the whole speed range. If the parallel connection of semi conductor is applied, the above current rating shall not be less than 140% of the above values. f.

All power diodes shall be of silicon type with minimum V BO rating at 2.5 times the rated operating voltage.

g. The power converter circuit shall be designed so that motor can be powered at its full nameplate rating continuously without exceeding its rated temperature rise nor reducing its service factor due to harmonic currents generated by the inverter operation. h. The conversion devices and associated heat sinks shall be assembled such that individual devices can be replaced without requiring the use of any special precautions / tools. i. The cooling system of the electronic components, if provided, shall be monitored

and

necessary

alarms

shall

be

provided

to

prevent

any

consequential damage to the power control devices.

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j.

All power controller devices shall be protected with high speed semiconductor grade fuse. I2t particulars of the power controller devices and the fuses shall be supplied along with the calculations in support of the selection of fuses.

k. Offered system shall also take in account the distance between drive panel and motor and system shall include all material and accessories to make system suitable for a distance of 350 m unless otherwise specified in the data sheet. 6.5.4 Output filter Vendor shall ensure that converter design is in such a way that both voltage and current harmonics are within the limits as specified in IEEE-519. Output filter shall be provided, if required. Output filter capacitors shall be provided with discharge circuits to ensure that all residual stored charge is reduced to less than 50 V DC within 30

seconds after a loss of AC voltage. All capacitor shall be

maintenance free and self-healing type. The VFD system shall inherently protect motor from high voltage dv/dt stress, independent of cable length to motor. Output filter shall be an integral part of the VFD system and included within the VFD enclosure. 6.5.5 DC Link Reactor (For CSI drive) Smoothing reactors for the DC link shall be designed to sufficiently decouple the rectifier and inverter portion of the converter and to limit fault currents in this circuit. Unless otherwise specified, the reactor shall be air-cooled or fan cooled typed located within the panel. Reactor shall be suitable for operation with the non-sinusoidal current wave shapes and DC components under all operational conditions of the system without exceeding its temperature limits. 6.6

PROTECTION, CONTROL METERING AND INDICATION / ANNUNCIATION REQUIREMENTS

6.6.1 The manufacturer shall provide all the necessary system control, protection, alarm equipment and metering for the entire drive system and its auxiliary equipment and its description shall be furnished along with the offer including the details of the system built-up. 6.6.2 Automatic sequence control shall include start-up of cooling system, auxiliary system of the motor, interlock checking, automatic start and run-up of drive,

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planned and emergency shutdown. The same shall be processed through microprocessor based system. 6.6.3 All protection, metering, indication, alarm, annunciation and fault diagnostic as required, shall be available at PLC over communication network (RS-485). Necessary communication module shall be provided in VFD accordingly. 6.6.4 Operator Control Panel. a. Each drive shall be equipped with a front mounted operator control panel consisting of a backlit alphanumeric display and a keypad with keys for parameterization and adjusting parameter which shall not be limited to start / stop, local / remote, auto / manual, increase / decrease, menu navigation and protection and measurement parameter selection etc. Display shall consist of minimum 2 lines of 16 characters- LCD type. b. All parameters names, fault messages, warnings and other information shall be displayed in complete English words or Standard English abbreviations to allow the user to understand what is being displayed without the use of a manual or cross-reference table. This shall also be used for the modification of all electrical values, configuration parameters, drive menu parameters, application and activity function access, faults, local control, adjustment storage, self test and diagnostics. Keypad shall be operable with password for changing the protection setting, safety interlock etc. However the parameters such as measurements, setting, mode of drive etc. shall be allowed to be viewed without any password. c. Operator console shall have facility / port to connect external hardware such as Lap-Top etc. Console shall have facility for upload and download of all parameter settings from one drive to another identical drive for start up and operation. d. Drive system control shall also have facility to receive tripping signal from upstream breaker for tripping and also provision for closing upstream breaker after all required process parameters are achieved. e. User-friendly software for operation and fault diagnostic shall be loaded in the drive system panel before commissioning. 6.6.5 Protective features The system offered shall incorporate adequate protective features, properly coordinated for the drive control and for motor but not limited to the following: i)

Converter transformer: short circuit, over current, earth fault & winding temperature high

ii)

Incoming and outgoing line surge protection with suitably designed surge diverter.

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iii)

Under / over voltage protection

iv)

Phase loss, phase reversal protection


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v)

Programmable over current protection and under load protection

vi)

Inverter fault.

vii)

Over frequency/speed operation.

viii) Ventilation loss. ix)

Over temperature of equipment

x)

Specific motor protection, including motor winding, bearing temperatures, over current, overload, negative phase sequence, locked rotor and earth fault protections etc.

xi)

System earth fault protection.

xii)

Speed reference loss

6.6.6 Control The following minimum controls shall be provided as a part of the Operator Control Panel or through separate switches on the front panel door. i)

Start / stop(in local/remote mode)

ii)

Speed control (Raise / lower)

iii)

Acknowledge/Accept/ Test Push Button for annunciation

iv)

Auto / Manual / Test Mode select

v)

Emergency stop

vi) vii)

Trip-Remote Breaker Local Remote

viii) Sequential Switching of filters 6.6.7 Indications Vendor shall provide indications as required for normal operation and for easy maintenance, which shall not be limited to the following indications. i)

Motor running

ii)

Motor stopped

iii)

VFD System Fault

iv)

System ready to start

v)

Motor zero speed

vi)

AC mains „ON‟

vii)

Motor over speed

viii) VFD „ON‟ ix)

Remote breaker trip

x)

Owners speed reference fail

xi)

Input Isolator „ON‟

xii)

Input Isolator „OFF‟

xiii) Output Isolator „ON‟ xiv) Output Isolator „OFF‟

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16-QMP-05-3B

xv)

Bypass Isolator „ON‟

xvi) Bypass Isolator „OFF‟ xvii) Motor Space heater „ON‟ xviii) Motor Space heater „OFF‟ xix) Rectifier output „ON‟ xx)

Motor Zero Speed

Above indications may be provided as a part of the operator control panel, i.e. door mounted keypad or through indicating lamps / LEDS in VFD/Isolator Panel. Potential free contacts of items i-iv shall be wired separately for remote indications in Owners SCADA systems. 6.6.8 Metering Digital display of the following parameters shall be as a part of the Operator Control Panel, selectable by the operator. i)

Input AC voltage

ii)

Input AC frequency

iii)

Input AC Current

iv)

Output voltage

v)

Output current VFD

vi)

Output frequency

vii)

Motor speed

viii) Hour Run ix) x)

Necessary transducer shall be provided with 4 -20mA output for indicating motor speed and motor current in Owners SCADA system. KW monitoring

xi)

KWh monitoring

xii)

Power factor

xiii) Drive Thermal State 6.6.9 Audio-visual annunciations a. Audio-visual window annunciations shall be provided on the front of the panel. All annunciations as required for normal and satisfactorily operation of the drive system shall be included as per vendor standards. These annunciations can be part of operator console panel. b. Vendor shall include audio-visual alarm as required for normal operation and maintenance of the system but not be limited to the following.

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i)

Rectifier fuse failure

ii)

Main AC failure

iii)

Inverter fuse failure


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16-QMP-05-3B

iv)

Inverter overload

v)

Inverter high temperature

vi)

Cooling system failure

vii)

Motor failed to start

viii) Transformer failure ix)

Communication and measurement system unhealthy

x)

Motor Temperature High

xi)

Harmonic Filters Monitoring

Common potential free contacts shall be provided for above annunciations and these shall be wired up to terminal block for owner‟s use for remote alarm and monitoring. Alarm accept / reset push button is to be provided on the front door of the panel. 6.7

Fault Diagnostic Fault diagnostic shall be built into the system to supervise the operation and failure of the system. The information regarding failure of any of the system including shut down of the system shall be available for a period of minimum 7 4 days (96 hours) after a shut down even though no supply would be available to the system. The system may be totally de-energized for maintenance or otherwise. It shall be possible to retrieve the record of events prior to tripping of the system or de-energization. Auxiliary supply to the system components or to the electronics (firmware) for the diagnostics / display shall be taken care by the manufacturer for this purpose.

6.8

External Power supply for auxiliary and Control Circuit Auxiliary power supply for devices external to VFD module, space heater supply for motor, VFD panel space heater, auxiliary power supply for transformers, cubicle lamps etc. shall operate on 240 volts single phase AC provided by Owner. All control circuit shall operate at 110V DC (Provided by owner). Vendor shall include supply of all control transformers, protective devices, required accessories etc. and any other control supply voltage as required for the system shall be derived from the power supply made available by owner.

6.9

Reliability features The expected lifetime of the drive system shall be 20 years. The system including all individual components forming part of the system shall have an availability of minimum 0.997 and a minimum MTBF of 40,000 Hours.

6.10 Maintenance features

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The controller design shall incorporates the following maintenance features: -

Modular construction.

-

All components shall be easily accessible.

-

Standard diagnostics to aid maintenance personnel. These shall include LED or alphanumeric displays, test or measurement points.

6.11 Painting All metal surfaces shall be thoroughly cleaned and degreased. Fabricated structure shall be pickled and then rinsed to remove any trace of acid. The under surface shall be prepared by applying a coat of paint and coat of yellow zinc chromate primer. After preparation of the under surface, the board shall be spray painted with two coats of final paint. Colour shade shall be RAL 7032 (Siemens grey) as per DIN. The finished panels shall be dried in stoving ovens in dust free atmosphere. Panel finish shall be free from imperfection like pin holes, orange peels, runoff paints etc. All unpainted steel parts shall be cadmium plated or suitably treated to prevent rust formation.

7.0

CDL PANEL AND SYNCHRONOUS PANEL CDL or Common Drive Logic Panel functions as a common interface between VFD1, VFD2, Upstream and Downstream Breakers, Unit Control Panel (UCP)-A,B & C and Synchronous Panel. Main Functions of the CDR Panel are: 

Controls the VFD Start-up & Shutdown Sequence.



Receives Commands & Provides Feedback to UCP and Station PLC



Controls the downstream breaker line-up as per the VFD & Motor combination selection.



Helps in Breaker Control during Synchronous change-over.

Synchronous panel takes voltage sample from downstream breaker of each VFD, Upstream breaker of bypass and synchronize the VFD output with mains. 8.0

INSPECTION, TESTING AND ACCEPTANCE

8.1

All tests shall be carried out at the manufacturer‟s works under his care and

expense. The tests shall be witnessed by an inspector of Owner or of an agency authorized by the owner. Prior notice of minimum 4 weeks shall be given to the inspector for witnessing the tests.

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8.2

The routine test shall be conducted on all the drive system. However type test shall be performed on one system of each rating and type. For the purpose of testing, drive system shall include input transformer, switchgears, converter, filters etc. as defined in clause 1.0.

8.3

The Routine and Type tests to be performed on the drive system shall be as follows:

8.3.1 Routine tests a. Visual Inspection It involves checking of the various equipments / components fault diagnostic unit, wiring, terminals, earthing ratings etc. in line with the approved drawings and visual inspection shall not be limited to the following: i)

Dimensions and door layout vis-à-vis the approved drawings.

ii)

Degree of Protection of Cubicles.

iii)

Simulation facility of control signals for testing p urposes.

iv)

Memory function of fault diagnostic.

v)

Interface capability

vi)

Voltage / current rating of power semi conductor elements.

vii)

Cable termination size and number of terminals, cable supporting etc.

viii) Accessibility of components. ix) x)

External signals and indication / alarm signals on converter. Earthing of cubicles and cubicle doors.

b. Insulation test c. Checking of auxiliary devices d. Checking the protective devices e. Checking of control and functional requirements f.

Automatic restart / re-acceleration

g. Test capability to restart the system and resynchronize converter onto running motor after a voltage interruption. h. Light load and functional test i.

Load Duty test

8.3.2 Type Tests a. Efficiency b. Temperature rise c. Torque pulsation

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d. EM Immunity e. EM Emission f.

Line side voltage and current distortion content

g. Power factor h. Audible noise i. j.

High voltage test on transformer Speed loop test capability to ride through voltage less than 80%.

k. Total Harmonic Distortion at input side l.

Allowable full load current Vs Speed

m. Dynamic Performance n. Current limit and Current loop test Type test certificate from Independent Testing Agency for similar equipment can be accepted for a, b, c, d & e as mentioned above. 8.3.3 Additional tests on transformers/other auxiliaries shall be carried out as per the applicable codes/standards. 9.0

CERTIFICATIONS The Variable Frequency Drive shall have test certification from internationally recognized test house i.e. CE/UL/FM/IEC/CSA/NEMA or equivalent. The VFD and associated equipment shall have test certificates issued by recognized independent test house (CIMFR/BASEEFA/LCIE/UL/FM or equivalent). All indigenous motors shall conform to Indian Standards and shall be certified by Indian testing agencies. All motors (indigenous and imported) shall also have valid statutory approvals as applicable for the specified location.

10.0 PACKING AND DESPATCH The equipment shall be divided into several shipping sections for protection and ease of handling during transportation. The equipment shall be properly packed for transportation by ship / rail or trailer. The equipment shall be wrapped in polyethylene sheets before being placed in wooden crates / cases to prevent damage to the finish. Crates / cases shall have skid bottoms for handling. Special notations such as „Fragile‟, „The side up‟, „Weight‟, „Owner‟s particulars‟, „PO Nos.‟

etc. shall be clearly marked on the package together with other details as per purchase order. The equipment may be stored outdoors for long periods before installation. The packing should also be suitable for outdoor storage areas with heavy rains / high ambient temperature unless otherwise agreed.

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11.0 Software of PLC of VFD A copy of PLC software of the VFD along with any hardware / software key is to be provided on DVD / CD on placement of purchase order as a backup for maintenance of the VFD. License software (both run time and works) to be supplied.

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13.0

DRAWINGS AND DOCUMENTATION Following drawings and documents in English language shall be furnished as per the schedule mentioned hereunder. It is mandatory for vendor to take approval of all post PO documents/drawings before proceeding with manufacturing of VFD and its By-pass system.

S. N.

1

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Drawing/ Document

Technical particulars/ catalogues for the offered system and the detailed description

Time of submission

No. of sets

To be submitted

Two

2

Block diagram of the system

Along with the technical bid

Two

3

Complete technical details of each equipment / component


Two

4

GA layout showing overall dimensions


Two

5

Single line diagram and control schematic showing equipment rating


Two


Two

6

The detailed scheme, catalogue & datasheet of isolator, interlock details with VFD

7

List of spares for 2 years of maintenance


Two


Two

8

Reference list along with PO copies and performance certificates from end user in India only to whom such system (VFD of same make & similar design for same or higher rating) has been supplied.

9

Detail of cooling system to be provided in VFD room


Two

10

Copy of drive system certifications as per clause no. 8.0


Two


Two

11

Details of after sales (Service) network in India with addresses, contact numbers, manpower details and level of expertise (in terms of drive rating etc.) available.


Two

12

BOM of cables in case converter transformer is mounted outside VFD Panel

13

Block diagram of the system

On placement of purchase order Two

14

Complete technical details of each equipment / component

On placement of purchase order Two

15

G.A. layout showing overall dimensions

On placement of purchase order Two On placement of purchase order Two

16

Single line diagram and control schematic showing equipment rating , interlocks, control and power cable scheduling etc.


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17

Protection co-ordination diagram

On placement of purchase order

Six

18

Torque / speed/ current / power factor of the system


Six

19

Foundation/mounting drawing of VFD, Transformer, Bypass Isolator etc.


Six Six

20

Special installation requirements for the VFD system and cables


21

Operation and Maintenance manuals


Three


Three

22

Terminal details for wiring to external station control panel including Potential free contacts, DI, DO, AI & AOs separately.

23

QAP for all independent equipments for VFD system.


Three

Detailed document on control philosophy


Six

Detailed Single Line Diagram


Two

Suggestive Sub-station Equipment Layout


Two

24

25

26

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14.0

DATA SHEET FOR HV VARIABLES SPEED DRIVES DATA FURNISHED BY OWNER

Sl. no

Description

BASIC REQUIREMENTS

1. i. ii.

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FEATURES

Required rated output capacity Torque requirement

:

* (As per motor ratings / Pump Load)

:

As per pump requirement

iii.

Load/driven equipment details

:

Horizontal Centrifugal pumps

iv.

Load torque details

:

Centrifugal pumps

v.

Drive system

:

One drive for each pump

vi.

Reacceleration of motor

:

As per Operational requirements of Pump specifications

2.

SITE CONDITIONS

a)

Location

:

As per SOR

b)

Design Ambient temperature

:

5- 500C

c)

Altitude

:

Less than 1000m above mean sea level

d)

Humidity (max)

:

95%(relative)

e)

Location

:

Indoor

f)

Installation area for VFD

:

Indoor

g)

Installation area for motor & LCP

:

3

INPUT POWER SUPPLY SYSTEM CONDITIONS

a)

No. of phases

:

Three

b)

AC input voltage

:

6.6KV

c)

Voltage fluctuation

:

±10%

d)

Rated frequency

:

50 Hz

e)

Frequency fluctuation

:

±3%

f)

System fault level

:

25 KA (1 sec.)

4

SYSTEM REQUIREMENTS

a)

Speed range required

:

As per Pump requirement

b)

Speed reference signal

:

4-20mA

c)

Operation in case of loss of reference signal

:

Last speed reference/ a set speed lower than previous reference / either of above as per manufacture‟s standard.

d)

Acceleration time

:

As per clause 6.1.5

Hazardous zone-2, gas groupIIA/IIB, Temperature class-T3, Tropical, dusty, corrosive.


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Sl. no

FEATURES

Description

e)

Deceleration time

:

As per clause 6.1.5

f)

Communication facility between Owners control system and drive

:

Required

g)

Harmonic study

:

Required

h)

Braking

:

Flux braking/ DC injection braking/ either of the above

i)

Converter transformer

:

Dry type

j)

Output voltage of VFD system

:

6.6KV, three phase (without using any output transformer)

:

Minimum 18 Pulse

k)

Type of converter/rectifier

l)

Harmonic filters on supply bus

:

Vendor shall ensure that converter design is in such a way that both harmonics V&I harmonics are within limits as specified in IEEE519

m)

Power feature filters

:

Vendor shall ensure that converter design is in such a way, so that minimum PF at input of each VFD is 0.99 lag for the varying load of

factor as part

improvement of harmonic

10% to 110% 5

CONTROL LOCATION

a)

Local/Remote operation

b)

Local/Remote location

c)

:

Required

:

At VFD panel

Speed raise/Lower signal

:

At VFD panel

d)

Distance of VFD panel from Motor

:

350m (maximum)

6

COMMUNICATION

selector

switch

On communication network (compatible RS 485 port) the following details shall be available

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a)

Protection features

:

Yes

b)

Indication

:

Yes

c)

Metering

:

Yes

d)

Annunciation

:

Yes

e)

Diagnostic

:

Yes


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15.0

TECHNICAL DATA TO BE FURNISHED BY MANUFACTURER

(To be submitted separately for each location) 1.

Make

:

Siemens / ABB / Rockwell / Yaskawa / Hitachi

2.

Model No.

:

3.

Rating of drive panel a) Output in amperes b) Rating

*

: * (to be provided)

expressed

at

:

*

declared

at

:

50 Deg C

at

:

* Hz

(torque) c) Rating

(temp.) d) Switching

frequency

declared rating 4.

Applicable code / standards

:

CSA,UL,IEC,NEMA,ANSI,IEEE,CE/equivalent

5.

Drive type

:

CSI/VSI

6.

Speed range

:

10% to 110% of rated motor speed

7.

Speed reference signal type

:

4-20mA

8.

Input power supply ratings

:

3 Phase 6.6Kv

9.

Voltage

:

6600 V + 10%

10.

Frequency

:

50 Hz + 3%

11.

Output voltage at – 10% input voltage full speed, full load

:

6600 v

12.

Overload

:

*

a) 100% load

:

*

b) 75% load

:

*

capability

of

converter a) 115% In( for variable torque) for 13.

Overall efficiency of drive (excl. motor) at

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14.

15.

16.

17.

c) 50% load

:

*

Overall power factor of drive (excl. motor) at

:

a) 100% load

:

*

b) 75% load

:

*

c) 50% load

:

*

AC Output

:

a) Rated frequency range

:

*

b) Accuracy of frequency

:

*

Dynamic response

:

a) Speed fluctuation band

:

*

b) Speed recovery time after 100% torque step

:

*

Waveform distortion factor (% harmonics) in output / input waveform.

:

*

(Number of harmonics and magnitude of each harmonic generated shall be furnished) 18.

Output short ckt. Capability and duration

19.

Controls

:

* At Drive level

(Please answer as provided / not provided a) System start

:

*

b) System stop

:

*

c) Speed raise

:

*

d) Speed lower

:

*

e) Drive frequency setting

:

*

h) Remote bkr.trip

:

*

i)Electronic Ramp function

:

*

current :

*

j)

Speed

and

controller

20.

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k) Drive ready to start signal

:

*

l) Ammeter

:

On digital operator or separate digital type

m) Speed indicator

:

On digital operator or separate digital type

:

*

a)Diodes

/

IGBT


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16-QMP-05-3B

/IGCT/SGCT configuration Number and Ratings b)Total No. of diodes / IGBT

:

*

/IGCT / SGCT Number and Ratings 21.

Cooling system

:

i) Type

:

Fan forced cooling

ii) Redundancy in cooling

:

*

:

Open loop Vector

b)Speed control accuracy

:

*

23.

List of controls provided at the front of panel (As per specification)

:

Yes / No

24.

List of status measuring devices provided at the front of panel (as per specification

:

Yes / No

25.

List of status indication and annunciation provided (as per specification)

:

Yes / No

26. Type of electronic card mounting arrangement

:

*

a) Length

:

*

b) Height

:

*

c) Depth

:

*

d) Weight of cubicle

:

*

units 22.

a)Type

of

feed-back

for

speed control

27.

DIMENSION

(Dimensional details of all panels shall be furnished). 28.

Degree

of

protection

for

:

* (Minimum IP 4X)

enclosure

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29.

Paint shade

:

As per specification

30.

Heat output of Panel

:

*

31.

Whether Air conditioning is required for these panels

:

*

32.

Control supply voltage and Aux. Power requirement

:

415 V, 3 phase, 4 Wire

33.

Converter

:

Transformer

(If


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applicable) a) Make

:

*

b) Type of transformer

:

Dry type

c) KVA Rating

:

*

d) Voltage ratio

:

*

e) Vector group

:

*

f) Taps

:

*

g) Insulation class

:

F (Min) for dry type transformer.

f) Impedance

:

*

g) Efficiency

:

> 98%

h) Weight

:

*

/

:

Minimum 1 per phase

dimension

:

*

:

*

i)

Winding

RTDs

Thermistors g)

Overall

(L&BXH) h) Transformer accessories

„*‟ data to be filled up & furnished with the offer

Note: 1. If synchronous and de-synchronous transfers are required it shall be in "bumpless close transition" only. Open transition is not acceptable. 2. Motor to be protected from all the electrical faults by VFD when it is in VFD mode and by "DOL Feeder" when it is in DOL mode.

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16.0

COMPLIANCE / EXCEPTIONS AND DEVIATIONS FOR OFFERED VFD

NAME OF BIDDER: Bidder to stipulate here exceptions and deviations to Bidding Document, if any, separately for technical clauses in respect of the specifications.

Sl.

Clause pted

No.

Deviation proposed by Bidder if No for column no. 3

No. (Tick one)

1

2

3

1.

1.0

Yes / No

2.

2.0

Yes / No

3.

3.0

Yes / No

4.

4.0

Yes / No

5.

5.0

Yes / No

6.

6.0

Yes / No

7.

7.0

Yes / No

8.

8.0

Yes / No

9.

9.0

Yes / No

10.

10.0

Yes / No

11.

11.0

Yes / No

12.

12.0

Yes / No

13.

13.0

Yes / No

14.

14.0

Yes / No

4

Note: 1. If the space is not sufficient, separate sheets to be attached as per this format. 2. Bidder to note that clause no. 16.0 has been included in the Bidding document solely for the convenience of the Bidder so as to facilitate them to list out the deviations / exceptions both of technical and commercial nature from / to the bidding document. Owner will not recognise any deviations / exception (s) in respect of the specifications which is not listed at clause no. 16.0 . 3. Offers without fully filled clause no. 16.0 may be summarily rejected.

(SIGNATURE OF BIDDER)

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15.0

List of the VFD Manufacturer or their Indian Representative

Sl No 1(a)

VFD Manufacturer

Indian Office / Representative

Siemens

Siemens Ltd.

Pittsberg

IIADT

USA

Post Box 85 Thane Belapur Road

1(b) 2

Siemens

Thane 400601

Nasik, India

Maharashtra

Asea Brown Boveri

Asea Brown Boveri Limited,

Turgi Swizerland

Drive Division Kosbahalli road, Nelemangla Bangalore Karnataka

3

Rockwell Automation

Rockwell Automation India Pvt Ltd

Cambridge

A-66, Sector-64

Canada

Noida-201301 UP

4

Yaskawa Electric Corporation

Larsen & Toubro Ltd

YUKUHASHI

Control & automation Business Unit

Japan

Automation campus A-600, TTC Industrial Area Shil-Mahape Road Navi Mumbai - 400710

5

HITACHI

NOTE: Make of 6.6kV Downstream Breaker Panel, CDL Panel and Synchronization Panel shall be Siemens/ABB/Schneider Electric/L&T.

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TECHNICAL DATA SHEET FOR EXISTING HT MOTOR AT KHOPOLI

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PARAMETERS

DESCRIPTION

Motor Condition Duty

Existing Centrifugal Pump

Output, kW

750

Volts, V

6600

Phases

3

Locked Rooter Torque

90% of F.L. torque

Enclosure

TEFV

Frame

XD40010

Poles

2

Speed, RPM

2988

Full Load Current, Amp

76.5

Frequency, Hz Temperature Rise Starting Current

50 75OC by resistance 636% of F.L. Current

Protection

IPW55

Cooling

Air-Cooled

Mounting

Foot

Pull Out Torque

250% of Full Load Torque

Stator Winding

Diamond Coils ‘Star Connected’

Net Weight, kg.

4875

Bearing (DE/NDE)

Roller/Ball & Roller

Direction of Rotation

Clock-Wise

Starting

DOL

Lubrication

Shell Alvania 3

Main Terminal Arrangement

No. of terminals 3 entry from below Peebles flameproof containing Phase Segregated type 15A

Connections (Terminals/Phase)

U V W/L1 L2 L3

Space Heater Rating

240W, 240V, 1 Phase FLP terminal box

Stator Winding RTDs

Six platinum Resistors, wired to separate terminal box

BASEEFA Certificate No.

EX811075

Insulation

d r o W

Class F

Stator Connection

Star

Power Factor

0.89


New Delhi

Std. / Doc. Number

Rev.

9579-02-TS-102

0

Sheet 34 of 35

4.VFD SPEC. REV.1.pdf

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