IS 1885-70: Electrotechnical Vocabulary, Part 70: Generation, transmis sion and distribution of electricity - operation

21 Pages·1993·1.9 MB·English

by  Bureau of Indian Standards

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IS 1885-70 (1993): Electrotechnical Vocabulary, Part 70:
Generation, transmis sion and distribution of electricity -
operation [ETD 1: Basic Electrotechnical Standards]
“!ान $ एक न’ भारत का +नम-ण”
Satyanarayan Gangaram Pitroda
““IInnvveenntt aa NNeeww IInnddiiaa UUssiinngg KKnnoowwlleeddggee””
“!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै”
Bhartṛhari—Nītiśatakam
“Knowledge is such a treasure which cannot be stolen”

IS 1885 ( Part 70 ) : 1993
IEC Pub 50 ( 604 ) ( 1987)
wch W-TT ’

Indian Standard
ELECTROTECHNTCALVOCABULARY
PART 70 GENERATION, TRANSMISSION AND DISTRIBUTION OF
ELECTRICITY-OPERATION
UDC 621*311 : 001.4

Q BIS 1993
BUREAU OF INDIAN STANDARDS
MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG
NEW DELHI 110002
May 1993 Price Group 7
cisaB lacinhcetortcelE Standards lanoitceS ,eettimmoC TE 01
STNETNOC
Section Page
604-01 ytilauQ fo ylppus . . . . . . . . . . . . . . . 1
604-02 Faults . . . . . . . . . . . . . . . . . . 3
604-03 segatlovrevO and noitalusni noitanidro-oc . . . . . . . . . 5
604-04 ytefaS . . . .-. ..# ._. .-. . . . 9
604-05 citengamortcelE ecnerefretni and esion ni noitacinummocelet smetsys . . . 11
INDEX . . ._. . . . . . . . . . . . . . . 12
LANOITAN FOREWORD
sihT naidnI dradnatS ( traP 70 ) hcihw is lacitnedi htiw CEI buP 50 ( 604 ) ( 1987 ) lanoitanretnI‘
lacinhcetortcele yralubacov : retpahC 604 ,noitareneG noissimsnart and noitubirtsid fo yticirtcele -
,’noitarepO issued yb eht lanoitanretnI lacinhcetortcelE noissimmoC ( CEI ,) was detpoda yb eht uaeruB
fo naidnI Standards no eht noitadnemmocer fo eht cisaB lacinhcetortcelE Standards lanoitceS
eettimmoC and lavorppa fo eht lacinhcetortcelE noisiviD .licnuoC
ylnO eht hsilgnE txet nevig ni eht CEI noitacilbup has neeb deniater elihw gnitpoda as naidnI
,dradnatS and as hcus eht egap srebmun nevig ereh era ton emas as ni CEI .noitacilbuP
k
IS 1885 ( Part 70) : 1993
IEC Pub 50 ( 604 ) ( 1987 )
Indian Standard
ELECTROTECHNICAL VOCABULARY
PART 70 GENERATION, TRANSMISSION AND DISTRIBUTION
OF ELECTRICITY - OPERATION
NOITCES -lO.406 YTILAUQ FO YLPPUS
Preliminary note
nI the txetnoc of siht chapter, the smret ”krowten“ dna ”metsys“ nac eb deredisnoc
as yllacitcarp suomynonys dna dnopserroc ot the hcnerF mret .”uaeser“
roF the esoprup of gniwollof ,snoitinifed the nnet ”metsys“ has yllareneg neeb desu
tub ”krowten“ nac eb preferred ni emos seirtnuoc or emos .snoitautis
604-01-01 devresbo ycneuqerf snoitaived of na lacirtcele metsys
supply (of )yticirtcele gnirud a nevig doirep of .emit
cilbupA ecivres dedivorp yb a noitubirtsid gnikatrednu 80-10-406
ot yna dnaremusnoc denimreted gnidrocca ot lacinhcet
frequency drift
dna laicremmoc airetirc hcus as ,ycneuqerf ,egatlov
A llams ycneuqerf noitaived hcihw stsisrep revo a
,ytiunitnoc mumixam ,dnamed tniop of ,ylppus .sffirat
ylevitaler gnol doirep of emit etipsed evitcerroc snoitca
Note.- nI ,hcnerF ni a evitcirtser ,esnes yticirtcele deilppus of gnitaluger .secived
ot a ,remusnoC spuorg fo sremusnoc ro/dna ot rehto
.seitilitu 90-10-406
ycneuqerf noitcuder
604-01-02
noitubirtsid gnikatrednu degnolorpA noitcuder ni the metsys ycneuqerf -lmeneg
yl eud ot .daolrevo
nA noitazinagro gniylppus yticirtcele ot a puorg of
sremusnoc yb snaem of a noitubirtsid .metsys 01-10-406
30-10-406 source of harmonic voltage
consumer Any sutarappa hcihw si part of the yticirtcele ylppus
metsys or of snoitallatsni detcennoc ot ,ti dna hcihw
A resu of yticirtcele dedivorp yb na yticirtcele ylppus
sniatnoc eno or erom .f.m.e ,stnenopmoc whose -erf
,metsys yllareneg a noitubirtsid .metsys
seicneuq are scinomrah of the metsys latnemadnuf
.ycneuqerf
604-01-04
point of supply 11-10-406
tniopA ni the lacirtcele metsys where the lacinhcet dna
laicremmoc airetirc of ylppus are .deificeps ecruos of cinomrah tnerruc
ynA sutarappa hcihw si part of the yticirtcele ylppus
ylppusfotniopehT may yradnuobehtmorftnereffideb
Note. -
metsys or of snoitallatsni detcennoc ot ti dna hcihw
neewteb eht ylppus metsys dna eht s’remusnoc nwo
noitallatsni ro morf eht gniretem .tniop sesuac a cinomrah noitrotsid of the tnerruc ,evaw eud
ot raenil-non secnadepmi ro/dna .secnattimda
604-01-05
21-10-406
quality of supply
An lasiarppa of the snoitaived of lacinhcet airetirc harmonic resonance
edistuo a denifed egnar ticilpxe( io )ticilpmi of the A nonemonehp gnicudorp noitacifilpma of egatlov or
yticirtcele ylppus or of the aggregate of yticirtcele tnerruc scinomrah gnitluser morf deniatsus noitallicso
seilppus nihtiw na lacirtcele .metsys neewteb the ecnatcudni dna ecnaticapac of tnecajda
60-10-406 smeti of .tnempiuqe
ycneuqerf noitaived
31-10-406
ehT ecnereffid neewteb the metsys ycneuqerf at a nevig
tnatsni dna the lanimon .eulav suonorhcnysbus ecnanoser
A ecnanoser neewteb tnecajda tnempiuqe ni a ,metsys
604-01-07
gnitareneg snoitallicso at a ycneuqerf woleb the
frequency &ability lanimon metsys ycneuqerf dna yllareneg deniatsus for
A ytilauq of ylppus deniatrecsa no the sisab of the a etunim or .erom
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IEC Pub 50 (604) (1987)
604-01-14 604-01-24
ferro-resonance voltage recovery
ecnanoserA of the ecnaticapac of na sutarappa htiw the ehT noitarotser of egatlov ot a eulav raen ot sti suoiverp
ecnatcudni of the elbarutas citengam tiucric of na -da eulav after a ,noitcuder a espalloc or a ssol of .egatlov
tnecaj .sutarappa
52-10-406
51-10-406 egatlov pid
voltage stability A neddus noitcuder of the egatlov at a tniop ni the
ytilauqA of ylppus hcihw si denimreted no the sisab of ,metsys dewollof yb egatlov yrevocer after a short
the devresbo egatlov snoitaived of na lacirtcele metsys doirep of ,emit morf a few selcyc ot a few .sdnoces
gnirud a nevig doirep of .emit
62-10-406
61-10-406
flicker voltage range
supply voltage egatloV snoitautculf nihtiw a egnar of seicneuqerf dna
ehT egatlov hcihw a sniatniamgnikatrcdnunoitubirtsid sedutilpma gnisuac rekcilf ot appear ni the tuptuo of
at the s’remusnoc tniop of .ylppus niatrec gnithgil .tnempiuqe
Note. - fI a ylppus egatlov si ,deificeps rof ecnatsni ni eht 72-10-406
ylppus ,tcartnoc neht ti si dellac deralced“ )ylppus[
.”egatlov tnelaviuqe tlicker voltage fluctuation
A egatlov noitautculf htiw deificeps ycneuqerf dna
71-10-406
shape (for :elpmaxe ,ladiosunis 10 Hz) hcihw secudni
egatlov noitaived the emas lausiv ecnabrutsid as the egatlov noitautculf
ehT ,ecnereffid yllareneg expressed as a ,egatnecrep rednu .noitaredisnoc
neewteb the egatlov at a nevig tnatsni at a tniop ni the
82-10-406
,metsys dna a ecnerefer egatlov hcus :sa lanimon -tlov
retemrekcilf
age, a naem eulav of the gnitarepo ,egatlov deralced
ylppus .egatlov nA tnemurtsni dengised ot erusaem yna ytitnauq -erper
evitatnes of .rekcilf
81-10-406
92-10-406
line voltage drop
egatlov ecnalabnu
ehT ecnereffid at a nevig tnatsni neewteb the segatlov
derusaem at two nevig stniop gnola a .enil nonemonehP eud ot the secnereffid neewteb egatlov
snoitaived no the suoirav phases, at a tniop of a
91-10-406
esahpylop ,metsys gnitluser morf secnereffid neewteb the
egatlov fluctuation phase stnerruc or lacirtemoeg yrtemmysa ni the .enil
A seires of egatlov segnahc or a lacilcyc noitairav of
03-10-406
the egatlov .epolevne
ecnalabnu factor
02-10-406 nI esahp-eerht& ,metsys the degree of ecnalabnu -xe
cyclic voltage variation pressed yb the oitar ni( per )tnec neewteb the .s.n1.r

Slow dna cidoirep-oduesp ,segnahc no a ,yliad ylkeew seulav of the evitagen ecneuqes (or the zero )ecneuqes
or ylraey ,elacs of the egatlov at a tniop no the ,metsys tnenopmoc dna the evitisop ecneuqes tnenopmoc of
eud ot segnahc of the ,daol dna ot the noitarepo of egatlov of .tnerruc
egatlov noitaluger .tnempiuqe
13-10-406
12-10-406 gnicnalab of a noitubirtsid krowten
egatlov noitcuder noitacollA of the remusnoc secivres neewteb the
A ylevitaler llams decrease ni the metsys gnitarepo suoirav phases of a noitubirtsid ,krowten so as ot
.egatlov eziminim the egatlov .ecnalabnu
23-10-406
604-01-22
continuity of sUpply
voltage collapse
ehT ytilauq of ylppus hcihw si expressed yb the tnetxe
voltage depression
ot hcihw the noitarepo of na lacirtcele metsys -pa
A neddus dna egral decrease ni the egatlov of the
proaches the laedi state of modeerf morf noitpurretni
lacirtcele .metsys
revo a nevig doirep of .emit
32-10-406 33-10-406
ssol of egatlov )ylppus( ytiunitnoc noiretirc
A noitidnoc ni hcihw the egatlov si zero or raen zero, A ytitnauq devired yb noitagergga of na etairporppa
at the ylppus tniop or .stniop . citsiretcarahc of each ylppus noitpurretni hcus as
2
IS 1885 ( Part 70) : 1993
IEC Pub 50 ( 604 ) ( 1987 )
,rebmun ,noitarud tsol ,ygrene dna hcihw expresses the 604-01-39
noitaived morf the laedi state of suounitnoc ylppus ot
sremusnoc revo a nevig doirep of .emit cost of kWh uot supplied
ehT cimonoce cost tnemssessa of lla secneuqesnoc
43-10-406
gnitluser morf ylppus snoitpurretni ni a nevig metsys
ylppus noitcennocsid dedivid yb the ygrene ton deilppus dna expressed ni
ehT noitpurretni of ylppus revo a yltnacifingis gnol .hWk
doirep of emit eud ot the gninepo ofa gnihctiws .ecived
04-10-406
53-10-406
dezilartnec lortnocelet
load recovery (of )sdaol
retfA egatlov ,yrevocer the esaercni ni daol of a -noc
snoitallatsnI for the esoprup of gnihctiws spuorg of
remus or ,metsys at a rate gnidneped no the -carahc
rehtie elbarrefed or elbitpurretni sdaol yb snaem of
scitsiret of that .daol
lortnocelet desicrexe morf a lartnec .tniop
63-10-406
14-10-406
Tf+tltr load
deferrable load
ehT daol gnieb deilppus at the tnatsni gnidecerp a
ylppus .noitcennocsid A daol hcihw sdeen ot eb deilppus for a part of yad dna
nar eb deferred ni .emit
73-10-406
E.wrrmple:
energy not supplied
gnitaeH or gnipmup .sdaol
lost energy
24-10-406
ehT ygrene hcihw dluow evah neeb deilppus morf the
lacirtcele metsys gnirud a doirep of ylppus .noitcennocsid seires noitcejni of a dezilartnec lortnocelet signal
noitcejnI fo a lagnis otni the ylppus metsys yb a ecived
83-10-406
detcennoc ni seires htiw each gniogtuo feeder or htiw
(load weighted) equivalent interruption duration the ylppus ot .srabsub
,launna( )ylhtnom
O-406 34-l
ehT noitarud gnitluser morf gnidivid the mus of lla
ygrene ton deilppus ui hWk eud ot ylppus snoitpurretni shunt injection of a centralized telecontrol signal
decneirepxe ni a ralucitrap part of the metsys noitcejnI of a langis otni the ylppus metsys yb a
tuohguorht a raey or htnom yb emos gnidnopserroc ecived detcennoc ni lellarap htiw the noitatsbus -sub
launna or ylhtnom ecnerefer .dnamed .srab

SECTION 604-02 -FAULTS

604-02-01 604-02-05
fault maloperation
An delmalpnu ecnerrucco or defect ni na meti hcihw misoperation
yam tluser ni eno or erom seruliaf of the meti flesti or ecnamrofreP of a ecived tnereffid morf that hcihw
of other detaicossa .tnempiuqe dluow eb expecled.
20-20-406 604-02-06
insulation fault unwanted operation
A defect ni the noitalusni of na tnempiuqe hcihw nac A egnahc ni the lanoitarepo state of a ecived hcihw
tluser rehtie ni na lamronba tnerruc hguorht siht -alusni dluohs ton evah derrucco at the emit .deredisnoc
noit or ni a evitpursid .egrahcsid
70-20-406
30-20-406
failure to operate
incident
The eruliaf ofa ecived ot egnahc sti gnitsixe -noitarepo
An tneve of lanretxe or lanretni ,nigiro gnitceffa -piuqe la state nehw deriuqer ot do so.
tnem or the ylppus metsys dna hcihw sbrutsid sti -ron
am 1 .noitarepo
80-20-406
40-20-406
damage fault
system incident
A noisseccus of stneve gnitluser ni etelpmoc or laitrap A tluaf hcihw sevlovni riaper or tnemecalper noitca at
eruliaf of the .metsys the tniop of the .tluaf
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IEC Pub 50 (604) (1987)
604-02-09 604-02-19
non-damage fault phase-to-earth fault singal line to ground fault
(USA)
A tluaf hcihw does ton evlovni riaper or tnemecalper
noitca at the tniop of the .tluaf An noitalusni tluaf neewteb eno phase rotcudnoc dna
earth .ylno
01-20-406
02-20-406
tnenamrep tluaf
Phase-of-phase fault raelc( ot earth)
A tluaf hcihw affects a ecived dna stneverp sti -arotser enil-ot-enil tluaf )ASU(
noit otni ecivres litnu noitca has neeb nekat at the tniop nA noitalusni tluaf neewteb esahp-owt srotcudnoc
of the .tluaf ,ylno and clear of earth.
11-20-406 604-02-21
transient fault two-phase-to-earth fault
doubel line to ground fault (IJSA)
An noitalusni tluaf hcihw ylno yliraropmet affects a
s’ecived cirtceleid seitreporp hcihw are restored after a An noitalusni tluaf at eno tniop of a tiucric neewteb
short .emit esahp-owt srotcudnoc dna earth.
22-20-406
21-20-406
gnihsiugnitxe-fles tluaf double faults
noitalusnI stluaf ot earth, gnirrucco ylsuoenatlumis at
uA noitalusni tluaf where the arc sehsiugnitxe tuohtiw
two tnereffid snoitacol ni eno or lareves stiucric
ti gnieb yrassecen ot tcennocsid the ecived morf the
gnitanigiro morf a nommoc .ecruos
metsys for sti laitnesse cirtceleid seitreporp ot eb -ser
tored. 32-20-406
31-20-406 multiple faults
gnihsiugnitxe-fles tnerruc timil cross country fault
ehT tsehgih tluaf tnerruc at hcihw noitcnitxe-fles of na noitalusnI stluaf ot earth, gnirucco ylsuoenatlumis at
arc yam take ,ecalp for a nevig metsys state. erom naht two tnereffid snoitacol ni eno or lareves
stiucric gnitanigiro morf a nommoc .ecruos
604-02-14
42-20-406
intermittent fault
A tneisnart tluaf hcihw srucer yldetaeper ni the emas three-phase fault
ecalp dna eud ot the emas .esuac symmetrical fault
M-20-406 An noitalusni tluaf at eno tniop of a ,tiucric gnitceffa
the noitalusni of lla three phase srotcudnoc neewteb
evitsiser tluaf
eno rehtona dna yllausu ot earth.
nA noitalusni ,tluaf the ecnatsiser of hcihw si -iffus
52-20-406
yltneic hgih ot niatniam a tnacifingis egatlov neewteb

the detluaf rotcudnoc dna earth or neewteb .srotcudnoc gnipoleved tluaf

nA noitalusni tluaf hcihw snigeb as a htrae-ot-esahp (or
61-20-406
-esahp )esahp-ot tluaf dna spoleved otni a esahp-owt or
dead short
esahp-eerht .tluaf
nA noitalusni tluaf whose ecnadepmi nac eb regarded
62-20-406
as zero.
nrut-ot-nrut ;tluaf nrut-retni fault
71-20-406
An noitalusni tluaf neewteb gniruobhgien snrut of the
enil tluaf
emas gnidniw ni a coil.
A tluaf gnirrucco at a erom or ssel llew dezilacol tniop
of na lacirtcele .enil 604-02-27
Note. - roF noitcetorp sesoprup the stimil fo eht enil era interwinding fault
yllausu nevig yb eht noitacol fo eht tnerruc -snart An noitalusni tluaf neewteb two srotcudnoc of tnereffid
.sremrof
sgnidniw ni lioc-dnuow ,tnempiuqe
81-20-406
82-20-406
rabsub tluaf
fault clearance
tlulafA detacol no a noitatsbus .rabsub
Note. - roF noitcetorp sesoprup eht stimil fo eht rabsub era The noitcennocsid morf the lacirtcele metsys of a
evitcefed ,meti yb citamotua or launam ,snoitarepo ni
denimreted yb eht noitacol fo eht tnerruc -snart
order ot niatniam or restore .ylppus
.sremrof
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CEI Pub 50 ( 604 ) ( 1987 )
92-20-406 604-02-36
filllIt clearance time unsuccessful reclosing
ehT emit lavretni neewteb the ecnerucco of a tluaf dna ecnerrucer of the tluaf gniwollof .gnisolcer
the tluaf .ecnaraelc
73-20-406
03-20-406
single shot reclosing
closing An citamotua gnisolcer hcihw si ton repeated fi -cusnu
ehT gnisolc of a rekaerb-tiucric yb rehtie launam or .lufssec
citamotua lortnoc of evitcetorp devices.
83-20-406
Note. - ehT noisserpxe ”gnisolc“ fo a krowten meti ,enil(
)remrofsnart in Fact snaem gnisolc fo eht detaicossa automatic multiple shot recloshlg
tiucric .srekaerb An citamotua gnisolcer repeated two or three semit
yllausu( ton )erom fi ti si ton .lufsseccus
604-02-31
93-20-406
opening
tripphlg final tripping
ehT gninepo of a rekaerb-tiucric yb rehtie launam or lock out
citamotua lortnoc of evitcetorp .ecived The noitcennocsid of ytluaf tnempiuqe or part of the
Note. - The noisserpxe ”gnippirt“ fo a krowten meti ,enil( krowten after a denimretederp rebmun of lufsseccusnu
)remrofsnart ni tcaf snaem gnippirt fo eht detaicossa .serusolcer
tiucric .srekaerb
04-20-406
604-02-32
load transfer
automatic reclosing A noitubirtsider of daol wolf nihtiw ralimis -moc
ehT citamotua gnisolcer of a tiucric rekaerb detaicossa stnenop of the krowten eud ot the ,eruliaf or ksir of
htiw a detluaf noitces of a krowten after na lavretni of ,eruliaf of a part of the .krowten
emit hcihw stimrep that noitces ot revocer morf a
14-20-406
tneisnart .tluaf
fault location
33-20-406
Au noitacilppa of tnemerusaem seuqinhcet so as ot
high speed automatic reclosing enimreted the noitisop of a tiucric .tluaf
nA citamotua gnisolcer hcihw srucco after a emit -retni
24-20-406
lav of the order of eno dnoces after gnippirt no .tluaf
fault locator
43-20-406
A ecived desu for tluaf .noitacol
delayed automatic reclosing
34-20-406
nA citamotua gnisolcer hcihw srucco after a emit -retni
lav of the order of eno etunim after gnippirt no .tluaf disturbance recorder

perturbograph
53-20-406

An tnemurtsni ni suounitnoc ,noitarepo dedivorp htiw
successful reclosing
a yromem gnikam ti elbissop ot record stneve dna
ecnerrucer-noN of the tluaf gniwollof .gnisolcer tneisnart selbairav erofeb dna gnirud tluaf .snoitidnoc
NOITCES 30-306 - SEGATLOVREVO DNA NOITALUSNI NOITANIDRO-OC
604-03-01 cirehpsomta dna other lanretxe snoitidnoc hcus as -lop
,noitul ,ytidimuh ,nimrev etc.
highest voltage for equipment
The tsehgih .s.m.r eulav of esahp-ot-esahp egatlov for 30-30-406
hcihw the tnempiuqe si dengised ni respect of sti -ni internal insulation
noitalus as llew as other scitsiretcarahc hcihw etaler ot
The lanretni ,dilos diuqil or suoesag parts of the -alusni
siht egatlov ni the tnaveler tnempiuqe .sdradnats
noit of tnempiuqe hcihw are protected morf the effects
of cirehpsomota dna other lanretxe .snoitidnoc
20-30-406
lanretxe insulation 40-30-406
self-restoring insulation
ehT secnatsid ni erehpsomta dna the secafrus ni tcatnoc
htiw nepo ria of dilos noitalusni of the tnempiuqe hcihw noitalusnI hcihw yletelpmoc srevocer sti gnitalusni
are tcejbus ot cirteleid stresses dna ot the effects of seitreporp after a evitpursid .egrhcsid