Empty Enclosure for Low Voltage SwitchgearDescripción completa
Descripción completa
Norma IEC 60354
Descripción: Pruebas en generadores
lEe UDC 621. 621.31 315. 5.
Britis Britis Stand Standard ard Instit Instituti ution on No part of this this publ public icat atio io
ma be phot photoc ocop opie ie or othe otherw rwis is
66.0 66.018 18.4 .4
repr reprod oduc uced ed with withou ou th prio prio perm permis issi sion on in writ writin in
of BSI
Brit Britis is Stan Standa dard rd Me Meth thod od fo
D -e - e te t e r n in in g h e h e a l o f e le le c c a n s u a t o n
a ss ss i c a o n
EG
'i
ther thermi misc sche he
Verh Verhal alte te
B r s h S ta ta n d a d s n s t u t o n
Contents Page n s d e f ro n c ov e B ac k c ov e
N a ti on a f or ew o r C o m mi t e e r es po ns ib l
Page
2 . G en e a l 3 . T he rm a e v u a o n ma 5 . C l a ss i fi c at io n
ethod
of i ns u la ti n
m a te ri al s ms
I. Scope
N a ti on a Th
f or ew o r
Br
Ge
wi n te rn a i on a
EC E le c r o e ch n c a
Te mi Br Standards.
En
Th ma C om m is s o n (lEC).
BS
wh
St wi
C om m
wn
Th wi
me
mi
wi
Br
2.1.2 C om m
mp
me
Cross-references International standard
Corresponding British Standards
IEC216
BS Gu materials
C2
1: mp ur (Identical)
mi Ge d ic e Li
nd he ma
ma
en ur nc
mi p ro f
ma
ma
(Identical) wh C om p
nc wi
U n da te d i n h e e x
mm m ad e in Br
ar mm
610,
c ep t b l
or us
c on ju n
on
wi
hi
a nd a d .
D e te rm in in g h e h e m a l c la ss i c a o n o f e le c tr ic a l n s u la t o n
1.
Scope
Th ubli ti de ri th ec gniz stem herm clas fo th in lati le trotechnica products It nsid rs th th rm lu tion of insulating materi ls nd of in ulaIt define he responsibility fo assignin therma identification an classification
General
Th en ur ce of he in ulatio le tr te hnic ro ct is ff te by factor ch as temperature, electrical an mechanical stresses vibration, deleteriou atmosphere an chem icals, moisture dirt an radiation. th te perature in electr te hnic
he
re
ro ct
is
ry of en th do inatin
ag in fa to
follow Therma class
Temperature 90°C 105°C 120°C 130°C 155°C
200
200°C 220°C 250°C
250 Cs dingly. No
ns lati
by th abov therma classes.
bj te to this
imum te perature
il ne
ve
th rm
pa ilit
at le
2.1.2). rIFC'
nlH)'~
71
ri fi products.
2.1.
Operatin conditions Ex obtained fo el ctrotech ic allo an
2 .1 .
products
fo fa tors pe ulia to th
I ns u a t n g m a te r a l
uc
rodu
as rotating machin
transformers
tc., designed
in ue tion
n su la t o n s ys te m s
th same therma capability ra
ri
ri
should be investigated by functional tests.
2 .1 .
T em pe ra tu r a n no th temperatur
e mp er a u r
se
rise of th electrotechnical product.
St nd rd fo el ctrica eq ipment usuall pe if temp rature ri rath than actu ture In esta lishin su tandards fa tors uc as featur of co stru tion therma rt ment an th temperat re ri
2 .1 .
to
permitted.
O th er ja c o r o f n f u en c ro
fu
fe
page
temper onduc-
2.1.
Insulation performanc
re of associated equipmen an economic considerations
temp rature
ighe th
thos
ormall
ap ropriate or
hi
re tric th te perature
ttai ed
tional conditions of servic exist.
Th
crease th temperatur
cert in temp rature
2.
capability of insulation
ofte
nd otherwis
egrade bu
ay reco er th ir initia prop rtie
ag in
Responsibilityfo selectio an assignment fo fa re involved
3. Th rm
ppropriate test
re th basi fo this el ctio (s
al
laus 4)
ev lu tion of in ul ting materi ls
diff rent ther al en urance capability Th refore th eneric ch mi al lating material is inadequate to characterize it therma capability he ap lyin ot er
material fo th in ul tion of le trot ch ic
Th ther al
apabilit
of material us
fo in ul tion
esig atio
of
in u-
products th ir individu
th r-
el ctrote hnical products
ls
become an insulation system ener lly, te ts nd xp rience ar re og iz tion of insulating materials.
he ccepta le ba is fo th th rmal evalua
rTpr
mHJP
11
priate fo
tablishi
ef re ce ho ld
th relevanc
er ic experi nc ar to be re ar d.
made to th followin
pu li at on
lating Materials 1: erties Temperatur
Indice an Therma Enduranc
Profiles
Th or is cont nu ng ew part an amendments of th is ed publ cation th curren catalogu of lE publications fo up-to-date list
il th helpful.
a)
omplet document
m a e n u ra n
g ra p
ance test is plotte em
re
bove houl
A r h en i
re in prepar tion
on ider d, th followin defi itio
Plea
se
ma
ap
versus th reciprocal thermodynami
(absolute) test temperature.
x: TJ re
c)
re ativ temper ture in ex.' RT
to th sa d)
th
agei
halv ng interv l:
herm
nd ra ce
an diagno ti pr cedure
in
omparati
te t.
Ie
ra h.
iffere
emperature indice
nd al in interv ls ri
ay in ic te it
ma perform.
yste
page 131.
test ma be us
to erif th
uita ilit
of th
ateria fo th
ppli atio
oncern d.
servic experience Wher this experience does no exist, appropriatel
designed functional test
referenc insulation system on th
si
servic
xper en e. Th
om itte
ould
tablis guidelin
fo th part cula
definition of classe whic were base on material descriptions
procedures will be develope by th responsibl deem standardizatio to be necessary.
Technica Committees when thes Committees
it is th responsibility th pr du exist.
nufact re
fore de ig in and documents
evis
nd xe ut
uita le te ts re er ce
ould
it bl te
er
ta dardiz
te ts
ad to th foll wing
no
ubli ti ns
5: Equipment. Ageing Mechanisms an
Diagnostic Procedures
Functional Tests. More detail
re om endati
nc rnin
th de ig of hermal
valuatio
es
ro dure
ance of Electrical Insulation Systems. tained fr
th th rm
aluati
th
teri ls alon (see la
). it is suffi-
rres ctiv of th ther Fo very simple an
ti
ndur ce
th
teri
itself
simply stressed insulation systems, th responsibl
Technica Committe
16
ul pr du ti fa tory re ul s. If in lati teri ls fo ppli ti in le trotec ni ro ucts then om ar ti be performe usin servic proven material as reference.
te ts houl
usc naze
15
Fo th ca
very impl
nd simply tr ss
in ul ti
st
s, it is re ommended th
pecifi pp ic tion lt rn ti el it should rovide rule on ow to valu te rele an ence whic coul be used to classify materials.
remain with th manufa ture
5.
th
th
xp ri
ro uct.
Classification
Fo th cl sificati of el trot chni particular Sub-clause 2.1.5, an Clause4. en
pr duct
an thei insula io
insulating materi l, impl combin tion
an in ulatio ra
th list in Sub-clause 2.1.
page
sy te
Su -c ause ee
ho
.1 in
Publications referred to Se
national foreword
en
ec
nd ds
ar
ut
br ISB
0580150453
Britis
Standard
ns
om Contract
98
ag
Institutio
of
ee
a te s on
on
8S
nd
en ec hn ca (GEl/-) f o l ow in g b od ie s w er e es al Britis
Plastics
er
ri
an
an
he
ce
on
by
er
Catalogue,
News
ve
hi
d,
ns h e 8S
Copyright
le fo
nf
requirement
Revision of Britis Standard St nd ar vi
on
on
ov on of co ct o r t he i c o r ec t a pp li ca ti on .