Answer / shivanna t

Minaral oil (insulated oil)is used in power transformer
insulation

Answer / taufic

Pyroclor Oil = Mineral Oil = 15w40 Oil Number

Answer / haroon roshan

polychloride biphenyl

Answer / khadar baba

pcb(poly choloride bi phenyl)

what are the current specifications of bus ducts ? i ve seen in IPBD bth 22000 A and 1500 A in 400 kv switchyard . why it is so??

1 Answers  

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For backup batteries connection,which method is best? series or parallel ?  

3 Answers   ABC,

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Tesla is the unit of which parameter?

4 Answers   Ecil,

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I NEED RRB CHENNAI (JE ELECTRICAL) QUESTION PAPER FOR LAST 5 YEAR AND I NEED RRB (JE ELECTRICAL) SYLLABUS.PLEASE SEND MY E-MAIL joo28_eee@yahoo.co.in

12 Answers   DFM, Hindustan Unilever Limited, JE, Pace, RRB,

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Please give me a erda placement paper

0 Answers  

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What is different bewteen low or high impedance busbar protection scheme

0 Answers  

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What is PEC??Applications........

0 Answers   Emerson,

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Will it be OK to connect a 5MVA 33/6.6kV Ynd11 Transformer to a Star connected Motor. Or on other words connecting a Delta to a Star. I have another 30MVA 33/11 Dyn11 and would it be practical to convert it to Dd0 consequently converting the Voltage Ratio to 33/6.35kV Dd0.

1 Answers  

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What are the advantages of star-delta starter with induction motor?

7 Answers   Merchant Navy, Naval Academy, Samundra Institute of Maritime Studies, YMCA,

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What are the tests to be done on circuit breaker?

1 Answers  

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We have one 500KVA transformer. We have tested REF relay and commissioned. After one and half year, due to some ground fault in one of the DB circuit Transformer tripped by REF relay. What will be cause and remedy. Please advise?

1 Answers  

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what is the clear formula to calculate cable size for a load

0 Answers   TCS,

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