INTERNATIONAL STANDARD IEC 61850-9-1 Communication networks and systems in substations – Part 9-1: Specific Communication Service Mapping (SCSM) – Sampled values over serial unidirecti…Full description
Descripción: Resumen basico de IEC 61850
Descripción: IEC 61850 Testing Tools
Drupal Web development :Understanding Drupal Basics
IEC 61850 Multivendor Station and Process Bus Substation DesignFull description
Anoop A Parapurath IDC\PT 6th May 2014
IEC 61850 Basics
IEC 61850 Basics Content Part 1 §
Utility, Substation & Substation automation function
IEC & IEC 61850
IEC 61850 Data Model
Commonly used services of IEC 61850 (GOOSE, MMS)
IEC 61850 basic engineering concept & Demo using PCM600
Substation An electrical substation is a subsidiary station of an electricity generation, transmission and distribution system where voltage is transformed from high to low or the reverse using transformers. Electric power may flow through several substations between generating plant and consumer, and may be changed in voltage in several steps.
IEC IEC 61850 The International Electrotechnical Commission (IEC) is the world’s leading organization that prepares and publishes International Standards for all electrical, electronic and related technologies
IEC 61850 Ed 1.0 => Communication networks and systems in substations IEC 61850 Ed 2.0 => Communication networks and systems for power utility automation
IEC 61850 Logical Device (LD) • Entity that represents a set of typical automation, protection or other functions • It is a meaningful collection of LNs for performing a common action e.g. Monitoring, Protection , Control etc
Data change (DChg ) Quality change (QChg) Data update (Dupd) Cyclic time Integrity (Cyclic) General interrogation
Type of Reporting
Buffer Time (BufTm)
IEC 61850 Report Service BRCB – Buffered Report Control Block Internal events (caused by trigger options data-change, quality-change, and data-update) issue immediate sending of reports orbuffer the events (to some practical limit) for transmission, such that values of data object are not lost due to transport flow control constraints or loss of connection. BRCB provides the sequence-of-events (SOE) functionality;
IEC 61850 Report Service URCB – Un-buffered Report Control Block Internal events (caused by trigger options data-change, quality-change, and data-update) issue immediate sending of reports. If no association exists, or if the transport data flow is not fast enough to support it, events may be lost.
retransmission in stable conditions (no event for a long time). retransmission in stable conditions may be shortened by an shortest retransmission time after the event. T3 retransmission times until achieving the stable conditions time.
IEC 61850 Performance requirement Continued… Type 1A “Trip” The trip is the most important fast message in the substation. Therefore, this message has more demanding requirements compared to all other fast messages. Same performance may be requested for interlocking, intertrips and logic discrimination between protection functions.
IEC 61850 Performance requirement Continued… Type 1B “Others” All other fast messages are important for the interaction of the automation system with the process but have less demanding requirements compared to the “trip”. The performance for automation functions are typically between the response time of operators (order of 1 000 ms) and of protection (order of 10 ms). This performance is also valid for such messages between a substations automation systems and other local systems.
IEC 61850 IED Configurator • Create the ICD file, • To modify the data model, parameter and configuration values either for a new ICD file • IED configurator is responsible for binding incoming data from other IEDs as defined within an imported SCD file to internal signals, e.g. by means of the SCL Input section, and for generating and loading the IED instance specific configuration data, which a CID file could be a part of. • Write the Configuration into IED
IEC 61850 SCSM – Specific Communication Service Mapping It specifies the mapping of the objects and services of the ACSI (Abstract Communication Service Interface, IEC 61850-7-2) to MMS (Manufacturing Message Specification, ISO 9506)and ISO/IEC 8802-3 frames.
IEC 61850 The goal of the IEC 61850 standard Interoperability
The ability for IED’s from one or several manufacturer to exchange information and use the information for the their own functions.
Free Configuration The standard shall support different philosophies and allow a free allocation of functions e.g. Can work in a centralized architecture as well as distributed architecture Long Term Stability The standard shall be future proof, i.e. it must be able to follow the progress in communication technology as well as evolving system requirements.
Stack selection following state-of-art Communication technology Approach of IEC61850
IEC 61850 Standardised conformance test
IEC 61850 - 10
UCA international user group (ucaiug) • Manages Quality program • IEC 61850 Testing sub committee • Set-up and maintain test procedures • Accreditation procedures for test labs • Sharepoint with documents, minutes of meeting and certificates
Technical Issues in the released standard • http://tissues.iec61850.com/default.mspx
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