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Anonymous Poster

Transformer spec

04/13/2010 11:02 AM

i want technical specification for a 2MVA, 6.6/.433 KV transformer

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Anonymous Poster
#1

Re: Transformer spec

04/13/2010 11:13 AM

DESCRIPTION: power transformer
POWER RATING: 2 MVA
PRIMARY VOLTAGE: 6.6 KV
SECONDARY VOLTAGE: 0.433 KV

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Join Date: Oct 2009
Location: JAMSHEDPUR, INDIA
Posts: 3
#2

Re: Transformer spec

04/13/2010 11:38 AM

2 MVA

PRIMARY VOLTAGE - 6.6 KV , COOLING - ONAN/ONAF

CURRENT-175 A , IMPIDENCE VOLTAGE -8.55 %

SECONDRY VOLTAGE - 433 V

CURRENT- 2666 A

CONNECTION - DYN11

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Anonymous Poster
#3

Re: Transformer Spec

04/14/2010 9:39 AM

kVA = 2000

f = 50Hz

Voltage ratio = 6600 / 433 V

Connection = Dyn-11

%Z = 6%

Taps = +5 , +2.5, -2.5, -5, -7.5

Temperature Rise = 55 / 65 C

Fe Losses = 2.2kW

Cu Losses = 24.5kW

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