CONFERENCE ON STANDARADIZATION, CERTIFICATION, QUALITY CONTROL - - PowerPoint PPT Presentation

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CONFERENCE ON STANDARADIZATION, CERTIFICATION, QUALITY CONTROL - - PowerPoint PPT Presentation

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CONFERENCE ON STANDARADIZATION, CERTIFICATION, QUALITY CONTROL ORDER AND TESTING OF DISTRIBUTION TRANSFORMERS E le c tric a l Re se a rc h a nd De ve lopme nt Assoc ia tion Va doda r a S IAL NT DE CRE S IAL NT DE CRE CRE DE NT

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SLIDE 1

CONFERENCE ON STANDARADIZATION, CERTIFICATION, QUALITY CONTROL ORDER AND TESTING OF DISTRIBUTION TRANSFORMERS

E le c tric a l Re se a rc h a nd De ve lopme nt Assoc ia tion Va doda r a

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SLIDE 2

CRE DE NT IAL S

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SLIDE 3

CRE DE NT IAL S

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SLIDE 4

24 c la ssifie d sta te of a rt e va lua tion fa c ilitie s. Ce rtific a tion, c a libra tion, e va lua tion of wide ra ng e of e le c tric a l

produc ts.

E

va lua tion a s pe r na tiona l a nd inte rna tiona l sta nda rds.

T

e c hnolog y De ve lopme nt Ce ntre with thrust on R&D, innova tion a nd ne w produc t de ve lopme nt.

De dic a te d spe c ia lty c e nte r for dia g nostic s of powe r pla nt

e quipme nt.

CRE DE NT IAL S

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SLIDE 5

CRE DE NT IAL S

Re g iona l c e nte rs a t Na vi- Mumba i, Gurg a on a nd Ra ja hmundry-

be tte r c ustome r re a c h a nd se rvic e .

Mobile la bora tory for on- site c ondition monitoring of tra nsforme rs

a nd e ne rg y me te rs.

Ce nte r of e xc e lle nc e for rota ting ma c hine s- fa c ilita te s

improve me nts in de sig n a nd its va lida tion.

Ultra mode rn e va lua tion fa c ility for CRGO a nd insula ting ma te ria ls. L

a rg e st on- line (570 V, 120 kA) short c irc uit la bora tory.

Ac c re dite d by NABL

, BIS, BE E , Inte rte k.

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SLIDE 6

MIL E ST ONE S

Star te d with 1 c e nte r & 2 Produc t te sting 1983

E sta blishe d first Short Circ uit L a b 1998 E sta blishe d la rg e st on line short Circ uit L a b in Savli 2007 E sta blishe d E MI- E MC spe c ia lty c e nte r 2012 E sta blishe d COE for Rota ting ma c hine s 2013 Gr

  • wn ove r

40 ye a rs with 24 c e nte rs spre a d

  • ve r 5 loc a tions

2015

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SLIDE 7

E RDA’S F ACIL IT Y F OR IS 1180- 2014

ISI ma rking is ma nda tory for tra nsforme rs up to 2.5 MVA a c c ording to

IS 1180- 2014

E

RDA la bora torie s ha ve be e n c a rrying out tra nsforme r te sting sinc e the la st 40 ye a rs.

BIS a c c re dite d DT

T e sting ( a s pe r IS:1180- 2014) L a bora tory a t :

E

RDA Ma ka rpura , Va doda ra (upto 2.5 MVA, 33 KV)

E

RDA (We st), Ra ba le , Na vi Mumba i (upto 200 KVA, 33 KV)

T

e sting Ca pa c ity a t

E

RDA Ma ka rpura , Va doda ra - 140 nos. T ra nsforme rs pe r month

E

RDA (We st) , Ra ba le – 10 nos. T ra nsforme rs pe r month

T

he fa c ilitie s ha ve be e n a c c re dite d by NABL , BIS, BE E (Va doda ra )

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SLIDE 8

T E MPE RAT URE RISE , ROUT INE AND SPE CIAL T E ST F ACIL IT IE S F OR T RANSF ORME RS

E RDA ha s four te st be ds to c a rry out te mpe ra ture rise a nd routine te sts. Ma ximum ra ting of tra nsforme rs whic h c a n be te ste d a t E RDA, Ma ka rpura a re up to a nd inc luding 33 kV, 2500 kVA.

  • E

RDA ha s fa c ility to c a rry out Spe c ia l te sts:

  • Pr

e ssur e te st

  • Ma g ne tic ba la nc e te st
  • Ze r
  • se que nc e impe danc e
  • Ove r fluxing & flux de nsity
  • Oil L

e a ka g e te st

  • Paint adhe sion te st
  • De te r

mina tion of sound le ve l

  • BDV & Moisture c onte nt in oil
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SLIDE 9

T E MPE RAT URE RISE T E ST

E RDA

9

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SLIDE 10

SHORT CIRCUIT T E ST F ACIL IT Y AT E RDA

E RDA ha s thre e short c irc uit te st la bora torie s. Ma ximum ra ting of tra nsforme rs whic h c a n be te ste d a t E RDA, Ma ka rpura a re :

11/ 0.433 kV, 1600 kVA 22/ 0.433 kV, 500 kVA 33/ 0.433 kV, 500 kVA

Ma ximum ra ting of tra nsforme r c a n be te ste d a t E RDA, Sa vli a re :

11/ 0.433 kV, 1000 kVA 22/ 0.433 kV, 1000 kVA 33/ 0.433 kV, 4000 kVA

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SLIDE 11

SHORT CIRCUIT T E ST L ABORAT ORY

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SLIDE 12

IMPUL SE T E ST S ON T RANSF ORME RS

E

RDA ha s thr e e Impulse L a bora torie s

2 nos. of 1600 kVp a nd one of

800kVp

Ca n te st up to 160 MVA, 400

kV c la ss tra nsforme rs.

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SLIDE 13

IMPUL SE L ABORAT ORY

E RDA

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SLIDE 14

T RANSF ORME R T E ST F ACIL IT Y AT E RDA (WE ST )

Ac c re dite d by BIS for tra nsforme r te sting a s pe r IS: 1180- 2014 Distribution tra nsforme rs up to 33kV, 200kVA All te sts c a n be c a rrie d out e xc e pt for Short Circ uit T

e st

E

RDA a rra ng e s for the tra nsporta tion to a nd from E RDA (We st) to Va doda ra

E

RDA (We st) c a n c a rry out te sting of 10 tra nsforme rs pe r month

E RDA

14

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SLIDE 15

ROUT INE & T YPE T E ST ING OF T RANSF ORME RS UPT O 100 MVA, 220KV AT SIT E

T

e sts c a rrie d out E RDA’s c a libra te d instrume nts.

DC winding re sista nc e me a sure me nt Me a sure me nt of volta g e ra tio a nd

ve c tor re la tion

L

  • a d losse s a nd impe da nc e volta g e

me a sure me nt

No loa d losse s a nd c urre nt

me a sure me nt

Insula tion re sista nc e me a sure me nt T

e mpe ra ture rise

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SLIDE 16

BIS T E ST ING SUMMARY AS PE R IS:1180- 2014 (UPT O 10- 08- 2016)

  • Sr. No.

Year Quantity 1 2014-15 5 2 2015-16 125 3 2016-17 113 Report issued 222 Tests in progress 20 Total samples 242

E RDA

16

Re ports for sa mple s in prog re ss will be dispa tc he d by 25- 08- 2016

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SLIDE 17

RAT ING OF T RANSF ORME RS T E ST E D F OR BIS IN 2014- 15

  • Sr. No.

kVA Ratings Quantity 1 10 1 2 63 1 3 200 2 Total 4

E RDA

17

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SLIDE 18

RAT ING OF T RANSF ORME RS T E ST E D F OR BIS IN 2015- 16

  • Sr. No.

kVA Ratings Quantity 1 10 1 2 16 1 3 25 9 4 63 7 5 100 28 6 160 4 7 200 65 8 315 1 9 400 2 10 500 1 11 630 1 12 1000 1 13 1600 1 14 2500 3 Total 125

E RDA

18

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SLIDE 19

RAT ING OF T RANSF ORME RS T E ST E D F OR BIS IN 2016- 17

  • Sr. No.

kVA Ratings Quantity Under Testing

1 5 2

  • 2

10 1

  • 3

16 11 1 4 25 6 1 6 100 17 3 7 160 4

  • 8

200 38 12 9 250 3

  • 10

400 1

  • 11

500 4 1 12 630 3 2 13 1000 1

  • 14

2500 2

  • Total

93 20

19

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SLIDE 20

AVE RAGE T IME T AKE N F OR T E ST ING

Sr. Year Time from Receipt of all Clarifications to Dispatch

  • f Test Report (Days)

Time from Receipt of Sample to Dispatch of Test Report (Days) 1 2015-16 20 28 2 2016-17 13 18

20

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SLIDE 21

AVE RAGE T IME F OR T E ST ING

Sr. Activity Duration 1 Time taken to allot test dates 2-3 days 2 Time taken to start testing for samples from BIS 2-3 days 3 Time taken to start testing for samples from manufacturers 2-3 weeks 4 Average number of samples tested per month at Vadodara 140 nos 5 Average number of samples tested per month at Rabale 10 nos

21

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SLIDE 22

T E ST ING T IME F OR IS: 1180- 2014

Da y T e sts Da y 1, 2 Routine te sts, Short c irc uit te st, Post routine te sts Da y 3 Impulse te st Da y 4 T e mpe ra ture rise te st Da y 5 Oil le a ka g e te st Da y 6 Air pr e ssur e te st (Routine & T ype te st), Da y 7 F lux de nsity te st, Physic a l ve r ific a tion Da y 8- 12 Re porting

22

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SLIDE 23

T RANSF ORME RS RE CE IVE D F ROM MANUF ACT URE RS (UPT O 10- 08- 2016)

  • Sr. No.

Year Quantity 1 2014-15 56 2 2015-16 347 3 2016-17 532 Samples tested 935

23

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SLIDE 24

E RDA’S E XPE RIE NCE : IS 1180

Non c onfor

ma nc e s obse r ve d in following te sts:

  • T

e mpe ra ture Rise

  • Shor

t Cir c uit

  • Impulse te sts
  • Pola rity a nd volta g e ra tio
  • Induc e d ove r- volta g e te st
  • Minimum c le a ra nc e s in a ir
  • Construc tiona l re quire me nts a nd fitting s

Ra ting a nd te rmina l ma rking pla te s not provide d Air re le a se plug s Dra in c um sa mpling va lve Ba se c ha nne ls e tc T

a nk la rg e r tha n spe c ifie d in IS for pa rtic ula r ra ting

24

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SLIDE 25

F ACT ORS AT T RI BUT I NG T O DE L AY I N T E ST I NG

Spe c ific a tions a re inc omple te or wrong ly fille d to c a rry out the

te sts.

Spe c ific a tions a re not me e ting the re quire me nts me ntion in

sta nda rd

Misma tc hing of tra nsforme r sr. no in dra wing , te c hnic a l form

a nd on a c tua l tra nsforme r.

Ba sic Insula tion le ve l (kVp) in te st re que st, dra wing &

na me pla te is diffe re nt.

Ac c e ssorie s a re not provide d or do not me e t re quire me nts of

the sta nda rd.

25

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SLIDE 26

F ACT ORS AT T RI BUT I NG T O DE L AY I N T E ST I NG..

Spe c ific a tions a r

e a bove the minimum r e quir e me nts of the sta nda rd.

E

ne rg y L e ve l, te mpe ra ture rise limits e tc .

Na me pla te s a re not a s pe r IS: 1180 2014. Na me pla te s, dra wing s a nd sa mple do not ma tc h. Dra wing s a re not le g ible , without dra wing numbe rs Re quire me nt of Sta c king fa c tor, no. of turns for flux de nsity

me a sure me nt not spe c ifie d

Pola rity of Sing le Pha se T

ra nsforme r is not g ive n.

T

he rmome te r poc ke t not provide d to me a sure the oil te mpe ra ture . 26

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SLIDE 27

E le c tric al Re se arc h & De ve lo pme nt Asso c iatio n, E RDA Ro ad, GI DC, Makarpura, Vado dara,

Co nta c t us: e rda @ e rda .o rg Visit us: www.e rda .o rg