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TRANSFORMERTRANSFORMERTESTINGTESTING

Reference:Reference:IEEE C57.12.90-1993, Stanar Te!tIEEE C57.12.90-1993, Stanar Te!t

C"e f"r #$%&$-I''er!e ($!tr$)&t$"n,C"e f"r #$%&$-I''er!e ($!tr$)&t$"n,

*"+er, an Re&at$n Tran!f"r'er!*"+er, an Re&at$n Tran!f"r'er!

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R"&t$ne Te!t!R"&t$ne Te!t!- te!t! 'ae f"r %&a$t/ c"ntr"- te!t! 'ae f"r %&a$t/ c"ntr")/ te 'an&fact&rer "n eer/ e$ce "r)/ te 'an&fact&rer "n eer/ e$ce "rrere!entat$e !a'e! t" er$f/ tat terere!entat$e !a'e! t" er$f/ tat ter"&ct 'eet! te e!$n !ec$f$cat$"n!.r"&ct 'eet! te e!$n !ec$f$cat$"n!.

(e!$n Te!t!(e!$n Te!t!- te!t! 'ae t" eter'$ne te- te!t! 'ae t" eter'$ne teae%&ac/ "f te e!$n "f a art$c&ar t/e, "rae%&ac/ "f te e!$n "f a art$c&ar t/e, "r'"e "f e%&$'ent t" 'eet $t! rat$n an t"'"e "f e%&$'ent t" 'eet $t! rat$n an t""erate !at$!fact"r$/ &ner n"r'a !er$ce"erate !at$!fact"r$/ &ner n"r'a !er$cec"n$t$"n!.c"n$t$"n!.

Oter Te!t!Oter Te!t!- te!t! tat 'a/)e !ec$f$e )/- te!t! tat 'a/)e !ec$f$e )/te &rca!er $n a$t$"n t" r"&t$ne te!t!.te &rca!er $n a$t$"n t" r"&t$ne te!t!.

Te!t Ca!!$f$cat$"nTe!t Ca!!$f$cat$"n

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ROTINE TESTSROTINE TESTS

500 4A 6 S'aer500 4A 6 S'aer Rat$" Te!tRat$" Te!t

*"ar$t/ an *a!e*"ar$t/ an *a!e

Reat$"n Te!tReat$"n Te!t

N"-#"a #"!! Te!tN"-#"a #"!! Te!t #"+ Fre%&enc/#"+ Fre%&enc/

a8a8 A$e *"tent$aA$e *"tent$a

Te!tTe!t

)8)8 In&ce "taeIn&ce "taeTe!tTe!t

#ea Te!t#ea Te!t

501 4A 6 #arer501 4A 6 #arer $n$n Re!$!tance$n$n Re!$!tance Rat$" Te!tRat$" Te!t *"ar$t/ 6 *a!e*"ar$t/ 6 *a!e

Reat$"n Te!tReat$"n Te!t N"-#"a #"!! Te!tN"-#"a #"!! Te!t #"a #"!! 6#"a #"!! 6

I'eance Te!tI'eance Te!t

#"+ Fre%&enc/#"+ Fre%&enc/;A*T 6 IT8;A*T 6 IT8 #ea Te!t#ea Te!t

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(ESIGN TESTS(ESIGN TESTS

500 4A 6 S'aer500 4A 6 S'aer Re!$!tance Te!tRe!$!tance Te!t

#"a #"!! 6

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OT>ER TESTSOT>ER TESTS

500 4A 6 S'aer500 4A 6 S'aer #"a #"!! 6

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IN(ING RESISTANCE TESTIN(ING RESISTANCE TEST

!e t":!e t":

? cec r"er c"nnect$"n! ancec r"er c"nnect$"n! an

? eter'$ne $f an "en c$rc&$t "r $ re!$!tanceeter'$ne $f an "en c$rc&$t "r $ re!$!tancee@$!t!e@$!t!

F$e te!t re!&t! !"& )e +$t$n 5< "fF$e te!t re!&t! !"& )e +$t$n 5< "f

fact"r/ a&e!.fact"r/ a&e!.

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INS#ATION RESISTANCE TESTINS#ATION RESISTANCE TEST

!e t" 'ea!&re c"n$t$"n "f 'a"r $n!&at$"n !/!te'!e t" 'ea!&re c"n$t$"n "f 'a"r $n!&at$"n !/!te'

;)et+een +$n$n an r"&n "r )et+een +$n$n!8;)et+een +$n$n an r"&n "r )et+een +$n$n!8

M$n$'&' a&e f"r 1 '$n&te re!$!tance 'ea!&re'ent, $nM$n$'&' a&e f"r 1 '$n&te re!$!tance 'ea!&re'ent, $nMea O'!:Mea O'!:

R B CE;4A8R B CE;4A80.50.5

CB 1.5 f"r "$ $''er!e tran!f"r'er! at 20 e CCB 1.5 f"r "$ $''er!e tran!f"r'er! at 20 e C

E B "t!, a!e t" a!e f"r eta c"nnect$"nD a!e t" ne&traE B "t!, a!e t" a!e f"r eta c"nnect$"nD a!e t" ne&tra

f"r +/e c"nnect$"nf"r +/e c"nnect$"n

4A B rate caac$t/ "f +$n$n! )e$n te!te ;$.e. 3 a!e4A B rate caac$t/ "f +$n$n! )e$n te!te ;$.e. 3 a!e caac$t/ f"r tree a!e tran!f"r'er!8caac$t/ f"r tree a!e tran!f"r'er!8

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RATIO TESTRATIO TEST

!e t" $an"!e r")e' $n te '$n"r $n!&at$"n!e t" $an"!e r")e' $n te '$n"r $n!&at$"n

!/!te' ; +$n$n t&rn-t"-t&rn an !ect$"n-t"-!ect$"n8!/!te' ; +$n$n t&rn-t"-t&rn an !ect$"n-t"-!ect$"n8

Mea!&re rat$"! c"'are t" cac&ate rat$"! fr"'Mea!&re rat$"! c"'are t" cac&ate rat$"! fr"'

na'eate "tae !"& )e +$t$n .5

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*O#ARIT AN( *>ASE RE#ATION*O#ARIT AN( *>ASE RE#ATION

TESTTEST

*"ar$t/ an a!e-reat$"n te!t! are "f*"ar$t/ an a!e-reat$"n te!t! are "f

$ntere!t r$'ar$/ )eca&!e "f te$r )ear$n$ntere!t r$'ar$/ )eca&!e "f te$r )ear$n

"n arae$n "r )an$n t+" "r '"re"n arae$n "r )an$n t+" "r '"re

tran!f"r'er!tran!f"r'er!

*a!e-reat$"n te!t! are 'ae t"*a!e-reat$"n te!t! are 'ae t"

eter'$ne an&ar $!ace'ent aneter'$ne an&ar $!ace'ent an

reat$e a!e !e%&encereat$e a!e !e%&ence

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*"ar$t/ Te!t*"ar$t/ Te!t

1.1. Additive PolarityAdditive Polarity . 4 an He"+ 6. 4 an He"+ 6

200 4A an )e"+200 4A an )e"+

Subtractive PolaritySubtractive Polarity

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*a!e-Reat$"n Te!t*a!e-Reat$"n Te!t

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*a!e -Reat$"n Te!t*a!e -Reat$"n Te!t

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INS#ATION *OERINS#ATION *OER

FACTOR TESTFACTOR TEST !e t":!e t":

cec r"er r/$n r"ce&re ancec r"er r/$n r"ce&re an

r/ne!! "f $n!&at$"nr/ne!! "f $n!&at$"n

cec $nter$t/ "f $n!&at$"n an $t! "eracec $nter$t/ "f $n!&at$"n an $t! "era

c"n$t$"n ;e.. ana/$n e@c$t$n c&rrent,c"n$t$"n ;e.. ana/$n e@c$t$n c&rrent,

caac$tance8caac$tance8

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ANA#SIS SING I*F TESTANA#SIS SING I*F TEST

RES#TSRES#TS

C"'are aa$n!t 'an&fact&rerJ! fact"r/C"'are aa$n!t 'an&fact&rerJ! fact"r/

ataata

C"'are aa$n!t re$"&! te!t re!&t!C"'are aa$n!t re$"&! te!t re!&t!

C"'ar$!"n aa$n!t n"+n ata f"r !$'$arC"'ar$!"n aa$n!t n"+n ata f"r !$'$ar&n$t!&n$t!

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NO #OA( #OSS 6 #OA( #OSSNO #OA( #OSS 6 #OA( #OSS

TESTSTESTS

!e t":!e t":

cec c"'f"r'$t/ +$t e!$n ancec c"'f"r'$t/ +$t e!$n an!ec$f$cat$"n!!ec$f$cat$"n!

cec %&a$t/ "f +"r'an!$cec %&a$t/ "f +"r'an!$

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A**#IE( *OTENTIA# ;AC >I*OT8A**#IE( *OTENTIA# ;AC >I*OT8

TESTTEST

!e t":!e t":

cec $nter$t/ "f 'a"r $n!&at$"n fr"' > t"cec $nter$t/ "f 'a"r $n!&at$"n fr"' > t"Gr"&n, # t" Gr"&n an > t" #.Gr"&n, # t" Gr"&n an > t" #.

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IN(CE( O#TAGE TESTIN(CE( O#TAGE TEST

!e t" cec $nter$t/ "f '$n"r!e t" cec $nter$t/ "f '$n"r

$n!&at$"n! ;$.e. t&rn t" t&rn an a/er t"$n!&at$"n! ;$.e. t&rn t" t&rn an a/er t"

a/er8a/er8

!e $n c"n&nct$"n +$t art$a $!care!e $n c"n&nct$"n +$t art$a $!care

te!tte!t

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#IG>TNING IM*#SE TEST#IG>TNING IM*#SE TEST

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TEM*ERATRE RISE TESTTEM*ERATRE RISE TEST

f"r e!$n cert$f$cat$"n t" En$neer$nf"r e!$n cert$f$cat$"n t" En$neer$n

t" ea&ate ter'a caracter$!t$c! "f tet" ea&ate ter'a caracter$!t$c! "f te

tran!f"r'ertran!f"r'er

t" eter'$ne an cac&ate f"r t" "$ r$!e,t" eter'$ne an cac&ate f"r t" "$ r$!e,+$n$n te'erat&re r$!e, c""$n !&rface+$n$n te'erat&re r$!e, c""$n !&rface

te'erat&re r$!e, ter'$na!, 6 "ter 'eta art!te'erat&re r$!e, ter'$na!, 6 "ter 'eta art!

t" !$'&ate tran!f"r'er "a$nt" !$'&ate tran!f"r'er "a$n

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SON( #EE# TESTSON( #EE# TEST

e!$n cert$f$cat$"n f"r En$neer$ne!$n cert$f$cat$"n f"r En$neer$n eter'$ne te a'"&nt "f a&$)e n"$!eeter'$ne te a'"&nt "f a&$)e n"$!e

enerate )/ te tran!f"r'erenerate )/ te tran!f"r'er

&n$t $! ener$e tr"& te !ec"nar/ at&n$t $! ener$e tr"& te !ec"nar/ at

rate "tae, an !"&n ee! are 'ea!&rerate "tae, an !"&n ee! are 'ea!&re

at re!cr$)e $ntera! ar"&n te er$'eterat re!cr$)e $ntera! ar"&n te er$'eter

"f te &n$t"f te &n$t

te rea$n! are aerae t" ")ta$n tete rea$n! are aerae t" ")ta$n tetran!f"r'er !"&n eetran!f"r'er !"&n ee

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EN( OF *RESENTATIONEN( OF *RESENTATION