IS 1851: Single Operator type arc welding transformers

14 Pages·1997·1.6 MB·English

by  Bureau of Indian Standards

इंटरनेट मानक
Disclosure to Promote the Right To Information
Whereas the Parliament of India has set out to provide a practical regime of right to
information for citizens to secure access to information under the control of public authorities,
in order to promote transparency and accountability in the working of every public authority,
and whereas the attached publication of the Bureau of Indian Standards is of particular interest
to the public, particularly disadvantaged communities and those engaged in the pursuit of
education and knowledge, the attached public safety standard is made available to promote the
timely dissemination of this information in an accurate manner to the public.
“जान1 का अ+धकार, जी1 का अ+धकार” “प0रा1 को छोड न’ 5 तरफ”
Mazdoor Kisan Shakti Sangathan Jawaharlal Nehru
“The Right to Information, The Right to Live” “Step Out From the Old to the New”
IS 1851 (1997): Single Operator type arc welding
transformers [ETD 21: Electric Welding Equipment]
“!ा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 1851:1997
v77mm

ELGNIS ROTAREPO TYPE CRA GNIDLEW
SREMROFSNART - NOITACIFICEPS
(
Third Revision )
JCS ;03.06152 29.150

@ SIB 1997
BUREAU OF INDIAN STANDARDS
KANAM ,NAVAHB 9 RUDAHAB HAHS RAFAZ GRAM
WEN IHLED 110002

hcmM 1997 ecirP pomG 4
cirtcelE gnidleW tnempiuqE lanoitceS ,eettimmoC DTE 21
FOREWORD
sihT naidnI dradnatS drihT( )noisiveR was detpoda yb eht uaeruB fo naidnI Standards retfa eht tfard
dezilanif yb eht gnitatoR ytcnihcaM lanoitceS cctlimmoC had neeb dc,\orppa yb eht lacinhcctortcclE
noisiviD .licnuoC
sihT standard was tsrif dehsilbup ni 1961. nI eht tsrif noisiver eht epocs had neeb dcgralnc ot revoc
citamotua and citamotua-imes snoitacilppa and, gnitset rof ccnainrofrcp scitsiretcarahc no eht basis fo
tset daol rotcaf had neeb .deunitnocsid nI ,noitidda eht ytud elcyc had neeb dcsivcr ni redro ot :tnil up
htiw eht stncmpolevcd taking ecalp at eht lanoitanretnI .lcvci
nI eht dnoces noisiver secneuqes fo epyt slsct and enituor stscL erew ,dcificcps and tset rof mulnixam
tncrrucgnidlcw had neeb detutitsbus yb daol cirsiretcarahc .stset esir-erutarcpmcT stscl and egnrlovhgih
stset crcw osla .desiver
nI this ,noisiver eht tncmcriuqcr rof on daol yramirp lncrruc has neeb dedda and ot ekam snoitacificeps
up ot ,etad all eht stnemdnema evah neeb .detaroprocni
eht,nI noitaraperp fo this standard, assistance has neeb dcvircd morf eht gniwollof sdradnatx :
0SI 700 : 2S91 rewoP secruos rof manual lnccm cra gnidlew htiw dcrcvoc scdortcclc and rof eht
GIT .ssecorp lanoitanretnI noitazinagrO rof .noiraziliradnarS
SB 638 traP( )01 : 1990 gnidlcwcrA rewop ecruos quipmen and :scirossccca traP OI noitacificepS
rof ytefas stnemeriuqer rof cra gnidlew tncmpiuqc : gnidlc’M rc‘\\op .sccru~x hsitirB Standards
.noitutitsnI
roF eht esoprup rchtch,\Lgnidicedfo a rl:lucitrl:p tnemcriuqcr fo this slamlard is deilpmoc ,htiv\ eht lanif
,eulav dc~csho ro ,detaluclac ,nisserpxe 1( eht tluser fo a ,tset shall eb dednuor ffo ni ccnadrocoa htiw

Si 2 : 1960 seluR‘ rof gnidnuor ffo laciremun seulav .’OicsYr~~/( ehT rebmun fo tnacifingis scctkp dcniatcr

ni eht dednuor ffo eulav dluohs cb eht emas as tahr ’lo eht lcci‘liceps eulav ni this
s~anclard.
IS 1851: 1997
Ihdian Standard
SINGLEOPERATORTYPEARCWELDING
TRANSFORMERS- SPECIFICATION
(
Third Revision )
3.4 citamotuA crA gnidleW
1 SCOPE
1.1 sihT standard syal nwod stnemeriuqer and stset cra-lateM gnidlew ni hcihw eht cra htgnel and eht
rof delooc-ria and delooc-lio cra gnidlew -piuqe levart fo eht scdortcelc ro eht seccipkrow era -otua
tnem fo eht elgnis rotarepo remrofsnart ,epyt rof yllacitam .dellortnoc
manual, citamotua-imes and citamotua .gnidlew
3.5 ytuD elcyC
1.1.1 sihT standard seilppa ot gnidlew -snart
ehT oitar fo emit gnirud hcihw eht tuptuo edis fo
sremrof elbatius rof ylppus segatlov dcificcps ni 4.1.
eht gnidlew remrofsnart is ,dedaol ot eht latot
NOTE-This dradnats seod ton ylirassecen ylluf revoc eht despale ,emit eht yramirp gnidniw gnieb dczigrcnc
stnemeriuqer rof sremrofsnart rof dedleihs-sag cra .gnidlew
.tuohguorht
2.i sihT standard seod ton revoc reifitcer epyt
gnidlew .tnempiuqe 3.6 muinfxaM siiounitnoC Iland Welding Current
2 SECNEREFER The mumixam gnidlew tnerruc hcihw eht -snart
remrof is elbapac fo gnireviled nehw degagne -noc
2.1 ehT naidnI Standards detsil woleb era eht
ylsuounit rof manual cra-latem .gnidlew at eht
yrassecen stcnujda ot this standard:
dcificcps egatlov and tuohtiw gnidcecxc
duly cycle
IS No. Title ehr deificeps .esir-erutarcpmK
335 : 1993 noitacificepS rof wen insulating 3.7 M;lximum Iland Welding Current
lio rof sremrofsnart and
raeghctiws (fourth wvision) ehT mumixam gnidlew tnerruc hcihwrof eht -snart
remrof is detarbilac rof manual cra-larcm gnidlew
:1721 1985 lamrehT noitaulave and -issalc
at eht ytud elcyc dcificcps yb eht .rerutcafunam
noitacif fo lacirtcele noitalusni

(first revision) 3.8 Rfinimnm II:md \Veltling Current

2834 : 1986 noitacificepS rof shunt sroticapac ehT muminim gnidlew tnerruc rof hcihw eht -snart
rof rewop smetsys
(second remrof is detarbilac rof manual .gnidlcwcra-latem
IplYsiotz)
3.9 Minimum Automatic Welding Current
YGOLONIMRET
3
The muminim gnidlew tnerruc rof hcihw eht -snart
3.0 roF eht esoprup fo this standard, eht gniwollof
remrof is detarbilac rof citamotua ro -otua-imes
snoitinifed shall .ylppa
citam cra-latem .gnidlew
3.1 Load Char:tcteristics
3.10 hk~ximum Continuous Automatic Welding
ehT dcificcps pihsnoitaler ncewleb gnidlew daol
Current
egatlov and daol tnerruc fo a gnidlew rcuop .ecruos
ehT mumixam gnidlew tnerruc hcihw yam cb sup-
3.2 launafR crA-lateM Welding (Ihncl )gnidleW deilp yb eht rcmroTsnart rof suounitnoc noitarepo
cra-lateM gnidlevx htiw elbamusnoc scdorlcelc ton no citamotua ro citamotua-imes cra gnidlew at
gnideccxc 460 mm ni htgnel and dcilppn yb eht dcificcps vollagc and ytud elcyc tuohtiw gnidcccse
rotarepo tuohtiw citamotua ro cilamotua-imes chI dkiccps .esir-erularepmet
snaem fo .tnemecalper
IL.3 Opcil-Circuit Voltage
3.3 citamotuA-imeS Arc Welding ehT cga11ov nccw~cb eht oulpul slnnimrct taht( is,
cra-lateM gnidlew ni hcihw eht cra htgnel is _OrUIi csohr ot hcihw 111~ edorrcclc and nruter sdacl cra
yllacitam dellortnoc tub eht gninoilisop fo lhc cra )dclccnnoc of a gnilclcw rcinrofsnart ydrar ot dlew
.
is manual. gniyrrac on gnidlew .tnerruc
bul

1
SI 1851: 1997
3.12 Rating
A tnemetats fo eht gnitarepo scitsiretcarahc as- ehT mumixam hand gnidlew tnerruc shall ton
dengis ot eht remrofsnart yb eht rerutcafunam
deccsc 1.35 semit eht detar .tnerruc
nehw dctsct rednu deificeps .snoitidnoc
4.5 ytuD elcyC
3.13 gnidleW daoL egatloV
ehT egatlov neewteb tuptuo slanimret fo a gnidlew 4.5.1 ehT detar ytud elcyc at mumixam suounitnoc
remrofsnart nehw a deificeps tnerruc is gniwolf hand gnidlew tnerruc shall eb nekat as 60 ;tnecrep
hguorht a ccnatsiscr .daol eht latot noitarud fo hcae elcyc shall eb 5 nim
gnisirpmoc a doirep fo 3 nim fo gnidlew daol -lof
3.14 epyT stseT dewol yb a doirep fo 2 nim fo daol-on .noitarepo
stseT deirrac tuo ot evorp ytimrofnoc htiw eht 4.5.2 ehT detar ytud elcyc at mumixam suounitnoc
standard. esehT era dednetni ot evorp eht lareneg citamotua gnidlew tnerruc shall cb nekat as 100
seitilauq and ngised of a .remrofsnart .tnccrcp
3.15 enituoR stseT 45.3 ehT detar ytud elcyc at mumixam suounitnoc
gnidlcv\citamotua-imes tnerruc shall eb a rettam fo
stseT deirrac tuo no hcae remrofsnart ot kcehc
tncmcerga resahcrup and eht .reilppus
stnemeriuqer hcihw cra ylekil ot yrav gnirud hct~vcc~~ the
.noitcudorp 4.6 ehT elbissimrep ecnarelot rof eht -ric-ncpo
tiuc egatlov shall eb +S .tnecrep
5 NORhfAI, ZJCIVXSIS SNOI’I’l)JNOC
4.1 Rated Illpt egatloV
5.1 sihT standard seilppa ot snidlew sremrofsnart
ehT dcrrefcrp detar tupni egatlov shall eb 240 V ro
gnirarcpo rednu eht gniwollof lamron ecivres
415 .v
:snoitidnoc
tneibmA erutarepmcc toN gnidcccxc
a)
40°C
)b edutitlA toN gnidcccxc
4.2 J<ated Open-Circuit egatloV
1 000
Ill
gnidlewchtfoegatlovtiucric-ncpochT remrofsnart
5.1.1 roF sedutitla gnidcecxc 1 000 m evoba aes
dluohs ton yllamron deecxe 80 V )smr( (SCC, .)6.4
,level an tnemtsujda ni elbissimrep -cultarcpmcr
4.2.1 laiccpsnl casts, ti is elbissimrep rof eht -ncpo esir yrassecen ni ecnadrocca htiw 11.6.X
tiucric egatlov ot cb up ot 100 V )smr( ees( .)6.4 may he
6 DI’SIGN ANT) CONS’I’RUC’I’JON
NOTE - M’here it is required to control the opx-circuit
voltages for snfetv I~~~r-poscs, suitable wfety Jeviccs mv hc
Incorlxxrted to bring down volt;~gr to tlw desired wluc. 6.1 ehT cra gnidlcv\ remrofsnart shall cb elbuod
dnuov\ and eht tuptuo slanimrcI shall ton cb -rac
.duht ehT slairetam dcyolpmc ni its crulcafunam
mro’lnoc ot tnavclcr naidnI Standards. tI shall
The dctnr ycncuqcrf shall eb OS .zH shall
cb dehsinif hriv\ a hgih eerged fo ytimrofinu and
.pihsnamkrow
ehT sremrofsnart shall cb detar tnerruc and !lud
at 6.2 emar:l serusolcnE
selcyc gnidnopserroc ot mumixam suounitnoc and
gnidlew-dnah .tnerruc ehT gnidlew remrofsnart shall cb 50 ltcrIitcirfitnain
150, 200, 250, 300, 400, 500, 600, and )K()c A that ti dluohs evah eht htgnerts and ytidigir
nc~cs-
yras o1 lcnatshtiv\ hguor .egasu tI shall cb dedivorp
htiv\ a tsac ro lcnibac hcihw esolcne all e.li1
sli:ill
latem parts rehto than I; clhisclI ylppus droc ro
ehT muminim hand gnidlew lncrruc shall cb ron
clhac tupruo .slr:niinrct
and
erom than 20 tnccrcp fo eht detar .tnerruc
6.2.1 erehW eht noitautis is dci’liccps as eno ni
NOTE - It is intended that name-plate of the welding
hcih\\ crchi is ytilibissop fo gnippord ro gnillaf
trmsiormcr shll indicate the current not Icsb than X lx--
cent of the rated current but while cliccking the conforniit~ rcIl;‘\\ gnirctnc chr ,rcmrofsnarI ti shall eb
of this clause, the tolerance of current calibration in 9.2 dctncverp yb ehr esu clbntiusfo foorp-pird .srevoc
sllcxlld hc IilliCIl ill10 1IccoIIIl1.
SI :1581 1997
6.2.2 ehT erusolcne ro eht tank, as eht esac yam ,eb 653.2 S&thetic liquids
shall eb dedivorp htiw gnitfil lugs, gnihtrae -ret
nI eht ecnesba fo a standard gnirevoc citehtnys
minals and lanimret .xob nI eht esac fo -mi-lio
insulating liquids, eht noisivorp fo hcus liquids
desrem ,sremrofsnart an lio level rotacidni and
shall eb a rettam tnemeergafo neewteb reilppuseht
niard gulp shall osla eb .dedivorp
and eht .resahcrup
6.2.3 nI esac fo elbatrop cra ,gnidlew eht sleehw NOTE - liO dna citehtnys sdiuqil llahs ton eb -retni
desu shall eb rehtie fo tsac ,nori dilos rebbur eryt fo .degnahc
EPWMHU artlU( hgiH raluceloM thgieW
6.6 gnihtraE
.)enelyhteyloP
6.6.1 owT gnihtrae slanimret shall eb dedivorp rof
6.3 slanimreT
owt etarapes and tcnitsid snoitcennoc ot htrae fo all
An cra gnidlew remrofsnart hcihw is ton dedivorp cillatem parts hcihw era ton dednetni ot yrrac -ruc
htiw an dehcatta elbixelf droc ro elbac shall evah .tner gnihtraE slanimret shall eb ylbatius detcetorp
slanimret fo a hgih ytivitcudnoc suorref-non .latem against noisorroc and shall eb yllacillatem .naelc
ehT ezis fo eht slanimret shall eb hcus as ton ot gnihtraE slanimret shall eb ylbiledni dekram htiw
wolla gnitaehrevo nehw gnitarepo at eht mumixam lobmys .&
suounitnoc hand gnidlew .tnerruc
6.7 noitcetorP against noisorroC
6.3.1 ehT tuptuo slanimret shall eb ylbatius
llA cillatam parts and ecafrus fo eht ylbmessa shall
deduorhs against latnedicca ro tnetrevdani
eb ylbatius detcetorp against .noisorroc
.tcatnoc
7 CAPACI’~OR
6.4 gniriW
7.1 A roticapac yam eb desu ot evorpmi eht rewop
ehT yaweriw shall eb htooms and yleritne eerf morf
rotcaf ot yletamixorppa 0.8 lagging at 50 tnecrep fo
sharp ,segde ,srrub ,snif gnivom parts, cte hcihw
eht mumixam suounitnoc hand tncrrucgnidlew and
thgim esuac noisarba fo eht noitalusni no -cudnoc
eht gnidnopserroc daol egatlov ees( elbaT .)1
.srot ehT eloh ni eht latem-teehs wall hguorht
hcihw detalusni seriw pass ro era dednetni ot pass 7.2 ehT ,roticapac fi dedivorp as trap fo an cra
shall eb dedivorp htiw a ylhtooms dednuor bushing gnidlew ,remrofsnart shall mrofnoc ot SI 2834 :
ro shall evah a ,htooms dednuor-llew ecafrus nopu .%91
hcihw eht seriw yam .tser llA stnioj and snoitcennoc
7.3 ehT roticapac shall eb os detcennoc that ti is
shall eb yllacinahcem deruces and shall edivorp
dehctiws ffo htiw eht .remrofsnart
etauqeda and elbailer lacirtcele tcatnoc tuohtiw
strain no yna noitcennoc ro .lanimret 8 CON’lXOI, AND EVITCETORP SECIVED
6.4.1 elbatroP gnidlew remrofsnart dluohs eb 8.1 fI a ,hctiws rellortnoc ro rekaerb-tiucric is

dedivorp htiw gnippirg glands rof gnimocni selbac deyolpme ni an cra gnidlew ,remrofsnart ti shall eb

ot diova egamad ot slanimret desuac yb strain. A elbatius rof eht ralucitrap noitacilppa and shall
elbatarop remrofsnart gnihgiew evoba 50 kg shall mrofnoc ot eht tnaveler naidnI .)s(dradnatS
eb dedivorp htiw .sleehw
8.2 stcatnoC fo all gnitaluger taps, fi ,dedivorp
6.5 ehT insulating parts fo eht cra gnidlew -snart shall eb hcus as ot ekam evitisop tcatnoc neewteb
remrof and bases ro stroppus rof eht gnitnuom fo gnivom and yranoitats .stcatnoc Visual rotacidni
detalusninu evil latem parts shall eb edam fo sub- shall eb dedivorp ot etacidni eht tnerruc tuptuo at
yllaitnats cipocsorgyh-non slairetam hcihw cra ton hcae tap ro gnittes no eht tuptuo .edis
detceffa yb eht erutarepmet ot hcihw yeht yam eb 9 ECN~ROFRE’I
detcejbus rednu snoitidnoc fo lautca .esu
9.1 ehT cra gnidlew remrofsnart shall eb elbapac
6.5.1 Natural ,rebbur ,doow toh dedluom callehs fo gnitarepo ylsuounitnoc at mumixam suounitnoc
and rat snoitisopmoc shall ton eb desu rof eht hand gnidlew tnerruc at eht deificeps ytud elcyc
noitcurtsnoc fo bases ro stroppus rof gnitnuom fo tuohtiw .gnitaehrevo ehT noitaler neewteb eht
detalusninu evil parts. nihtiwtnerrucgnidlewdnaegatlovdaolgnidlew eht
egnar fo eht gnidlew remrofsnart shall eb ni -drocca
6.5.2 ehT slioc shall eb ylbatius detaert ot edulcxe
ecna htiw elbaT 1.
.erutisom
9.2 dohteM fo noitarbilaC and ycaruccA fo
6.5.3 Liquids snoitaudarG
6.5.3.1 lareniM slio shall ylpmoc htiw SI 335 : 1993. ehT noitaler neewteb eht gnidlew daol egatlov and
eht gnidlew tnerruc nihtiw eht egnar fo eht gnidlew

3
SI :1581 1997
rewop ecruos shall eb ni ecnadrocca htiw elbaT 1. W epyT fo ;gnilooc
ehT ycarucca fo eht tnerruc noitarbilac dluohs eb m) latoT ;thgiew
01+ 02_ tnecrep up ot eht mumixam suounitnoc -otua “1 Class fo ;noitalusni
yrtnuoC fo ;erutcafunam and
citam gnidlew tnerruc and & 10 tnecrep rof stnerruc P)
)4 A gninraw dedrow as swollof :
evoba that.
GNINRAW : tnerruC ni ssecxe fo eht -lof
gniwol era rof tnettimretni esu ylno :
elbaT 1 gnidleW tnerruC and gnidleW
daoL egatloV roF hand gnidlew . . . . . . serepmA
(Clauses 7.1,9.1,9.2and )1.1.01 roF citamotua gnidlew . . . . . . ,serepmA and
r) detaR tuptuo fo eht .remrofsnart
gnidleW tnerruC gnidleW dnaL egatloV
A V
10.1.1 ehT rerutcafunam shall osla edivorp a
05.1 62 margaid ro elbat fo snoitcennoc g‘nitacidni tnerruc
002 82 tuptuo at eht egatlov gnitaluger and tnerruc
003 23
gnitaluger tap snoitisop as .dedivorp nI eht esac fo
004 63
005 04 pat-non gnignahc tuptuo tnerruc ,srotaluger a
evobadna006 44 detarbilac tuptuo tnerruc gnitacidni ecived shall eb
ehT-ETON evoba daol segatlov era desab no eht alumrof .dedivorp nI all sesac eht stnerruc detacidni shall
U = 02 + erehw140.0 siU eht daol egatlov dna sil eht daol ylpmoc htiw stnemeriuqer fo elbaT 1.
,tnerruc siht alumrof si elbacilppa ot gnidlew stnerruc pu ot
dna gnidulcni 006 .A 10.2 SIB noitacifitreC Mark
9.2.1 ehT on daol yramirp tnerruc fo eht gnidlew
10.2.1 ehT sremrofsnart yam osla eb dekram htiw
remrofsnart shall ton deecxe 2.5 tnecrep fo eht
eht dradnatS Mark.
mumixam suounitnoc hand gnidlew tnerruc at eht
deificeps ytud elcyc 06( )tnecrep fo detar tuptuo 10.2.2 ehT esu fo eht dradnatS Mark is denrevog
tnerruc fo eht ,remrofsnart nehw eht tuptuo -ret yb eht snoisivorp fo eht
Burenu of Indh Srmdmds
minals era ton detcennoc ot yna lanretxe daol 1986 and eht selur and snoitaluger edam -ereht
Act,
tuohtiw yna ygrene gnivas ecived ro/dna tuohtiw .rednu ehT sliated fo snoitidnoc rednu hcihw a
yna rewop rotcaf noitcerroc sroticapac detcennoc ecnccil rof eht esu fo eht dradnatS Mark yam eb
htiw eht gnidlew .remrofsnart detnarg ot srerutcafunam ro srecudorp yam eb -bo
deniat morf eht uaeruB fo naidnI .dradnatS
9.2.2 fI yna gnidlew remrofsnart is dedivorp htiw
y&rene gnivas ecived neht eht tnerruc drawn morf 11 STSET
eht cirtcele ylppus ecruos dluohs ton deecxe 10
11.1 stseT shall eb edam ot evorp ecnailpmoc htiw
tnecrep fo eht evoba denoitnem on daol .tnerruc
all eht stnemeriuqer fo this standard.
9.2.3 ehT on daol rewop ssol fo eht gnidlew -snart
remrof shall ton deecxe 3 tnecrep fo eht kVA at 0.X 11.1.1 eylj7 Tats
rewop .rotcaf esehT stset yam eb edam yb lautum tnemeerga
neewteb eht resahcrup and eht reilppus and fi eht
10 GNIKRAM
sdrocer fo epyt tset no an cra gnidlew remrofsnart
10.1 ehT gniwollof noitamrofni shall eb nevig no hcihw ni laitnesse sliated is evitatneserper fo eht
eht gnitar etalp : eno gnieb desahcrup era ,dehsinruf eht resahcrup
a) ecruoS fo ;erutcafunam yam tpecca eseht as ecnedive fo epyt‘ ’tset daetsni
fo lautca .tset epyT stset and rieht ecneuqes shall eb
b) ecnerefeR ot this standard feR( SI ;)1581
as swollof :
C> s’rerutcafunaM epyt ro noitangised and a>
noitalusnI ecnatsiser tset ees( ,)2.11
laires ;rebmun
b) oN daol and tiucric-nepo egatlov tset ees(
(9 egnaR fo gnidlew tnerruc muminim( and ,)3.11
;)mumixam C> daoL citsiretcarahc tset ees( ,)4.11
>e
mumixaM suounitnoc hand gnidlew ;tnerruc d) tiucric-trohS tset ees( ,)5.11
>f
mumixaM suounitnoc citamotua gnidlew e) esir-erutarepmeT tset ees( 11.Q
;tnerruc >f hgiH egatlov tset ees( )7.11 ees( ,)etoN and
s) tupnI )yramirp( tnerruc at detar ;tuptuo s) noitalusnI ecnatsiser tset )detaeper( ees(
.)2.11
h) tupnI ,egatlov ycneuqerf and rebmun fo
phases; ETON - ehT hgih egatlov llahs eb enod ylno ,ecno fi eht
rerutcafunam dah deirrac tuo siht tset ta sih .skrow siht llahs
>j tiucric-nepO segatlov ;)egnar( ton eb detaeper yb eht gnitset .ytirohtua
4
IS 1851: 1997
11.1.2 Routine Tests 2 10 tnecrep dluohs eb dewolla no eht eulav fo this
daol .egatlov
ehT stset and rieht ecneuqes shall eb as swollof :
a) noitalusnI ecnatsiser tset ees( ,)2.11 2.1.6.lL tseT ebllahs edam using eht tupni gnidniw
)b oN daol and nepo tiucric egatlov tset ees( tap gnidnopserroc ot eht egatlov gnieb .deilppa
,)3.11
3.1.6.LL gnidleW sremrofsnart elbatius rof hand
)c daoL citsiretcarahc tset ees( ,)4.11
gnidlew shall eb detset rof esir-erutarepmet ees(
)d tiucric-trohS tset ees( LLS), xennA )A at a tnerruc lauqe ot eht mumixam -noc
e) hgiH egatlov tset ees( ,)7.11 and suounit hand gnidlew tnerruc and at eht ytud elcyc
)f noitalusnI ecnatsiser tset )dctacpcr( ees( lauqe ot 60 tnecrep ni a noitarud fo 5 .nim
.)2.11
11.6.1.4 gnidlc’b sremrofsnart elbatius rof htob
11.1.2.1 A etacifitrec fo enituor stset shall eb -ruf citamotua-imes and citamotua gnidlew shall eb
dchsin yb eht rerutcafunam hcihw shall wohs that detset rof esii-erutarepmet ees( xennA )A at a -ruc
hcae fo eht gnidlew tes has neeb detcejbus ni eht tner lauqe ot eht mumixam suounitnoc citamotua
stset dcificcps ni 11.1.2 and that ti seilpmoc htiw eht gnidlew tnerruc and at a ytud elcyc lauqe ot 100
stnemeriuqer deificeps ni this standard rof eseht necrcp .t
stset and that hcae fo tesgnidlewcht has neeb dnuof
11.6.1.5 ehT esir-erutarepmet shall eunitnoc litnu
ot eb dnuos yllacirtcele and yllacinahcem and is ni
ydaets mumixam erutarepmet is .deniatbo fI eht
gnikrow redro ni all .sralucitrap
esir-erutarcpmct seod ton yrav yb erom than 2°C
11.2 Insulation Resistance Test rep ruoh ti is deredisnoc that ydaets erularepmet
ehT noitalusni dnacrofebecnatsiser retfa -tlovhgih has neeb .dcvcihcn
ega tset shall eb ton less than owt .smhogem ehT
11.6.2 ehT esir-erutarepmet shall ton dcecxc eht
noitalusni ecnatsiser shall eb derusaem htiw cd
timil dcificcps ni elbaT 7.
egatlov fo tuoba 500 V deilppa rof a tneiciffus emit
rof eht gnidaer fo eht rotacidni ot emoceb -itcrap
yllat ,ydaets hcus egatlov gnieb nekat morf an -cdni
tnednep ecruos ro dctarcneg ni eht gnirusaem
roF srcmrof~nart dengised roi noitarepo at an -la
.stnemurtsni
edutit retaerg than 1 000 ,m tub dctsct at lamron
1 3.L oN daoL and Open-Circuit Voltage Test ,sedutitla .eht stimil fo esir-erutarcpmct nevig ni
elbaT 2 era dccudcr 1~) eht gmwollof stnuoma rof
With eht tupni zidis detcennoc ot egarlovylppuseht
hcae 0OS m yb hcihw eht dcdnctni gnikrovL edutitla
and tuptuo edis ,detiucric-nepo eht tiucric-nepo
sdcccsc 1 000 .m
egatlov and on daol tnerruc llahc eb .derusaem
)a ,desremmi-liO larutan 2.0 tnecrep
11.4 dl:oL Characteristic Test delooc-ria sremrofsnart

ehT remrofsnart shall eb detcennoc ot eht detar )b ,epyt-yrD larutan 2.5 nccrep t

tupni .egatlov ehT tuptuo slanimret shall ch -noc delooc-ria sremrofsnart
detcen ot a elbairav evitsiser .daol On hcae ,gnittes )c ,desremmi-liO decrof 3.0 tnecrep
eht daol tnerruc shall eb nihtiw eht stimil deificeps delooc-ria sremrofsnart
ni 9.2 gnidnopserroc ot eht daol segatlov nevig )d ,epyt-yrD decrof 5.0 tnecrep
.rednuereht delooc-ria sremrofsnart
11.5 C‘JWN - cschT snmtcuder ni esir-erutarepmet <:lintil era
Short-Circuit Test
ton el~lacilppt~ ot .sremrolsnart
\\'illCr cooled
ydaetS tiucric-trohs tnerruc at yna gnittes nihtiw
eht deificeps egnar shall eb ton erom than 200 11.7 Supplementary Iligh Voltage Test
tnecrep fo eht gnidlew tnerruc gnidnopserroc ot
ehT remrofsnart windings shall eb elbapac fo
this .gnittes rednU tiucric-trohs noitidnoc eht -tlov
withstanding, tuohtiw ,nwodkaerb eht hgih egallov
ega neewteb slanimret shall ton deecxe 3 V.
.tset
11.7.1 ehT hgih egatlov tset shall eb deilppa ecno
LL.6 Temperature-Rise Test and ot a wen enihcam .ylno tI shall eb deirrac tuo
1 1.6.L Test szloiti&oC at eht skrowsrcrutcafunam at eht noisulcnoc fo eht
esir-erutarepmet ,tset fi .detcudnoc
11.6.1.1 ehT daol dluohs eb a evitcudni-non -siscr
ETON - cvircetrtrP ro retll’l .secived ro srotaapnc ro snaf
ecnat at eht etairporppa daol .egatlov A ecnarelot
llwls eh dctccnnncsid ro dstiucric-lrwls SI< .derised