why do we prefer VCB over OCB? what are the advantages of Vaccum Ckt. Breaker over Oil Ckt. Breaker?

2 Answers  

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how instantanious short circuit current is calculated ? its formula.

0 Answers   Crompton Greaves,

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i applied for the ap transco please forward the freqventley asked QA

0 Answers  

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define superposition theorem thevnin theorem ,norton theorom?

0 Answers  

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why voltage between neutral and earth, with out secondary grounded distribution transformer

1 Answers   Wescosa,

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i have flexible wire. size of conductors is 0.190 mm & no.of conductors are 48. then size of wire comes 1.37 sqmm instead of 1.5 sqmm . the what is tolerance for this size.

0 Answers  

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how does the power is travelled in conductor

2 Answers  

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why do the alternator doesnt have open circuited windings in armature???

1 Answers  

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how to determine motor size for a fan application?

0 Answers   EDC,

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Application Comparison between 22KV (UE)and 33KV (E) system. Are we allowed to use 33KV (E) cable in lieu of 22KV (UE) cable. What are the technical disadvantages.

0 Answers  

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11 kv input, 66 kv input advantages

0 Answers  

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what is meant by motor protection relay & its working principle ?k

1 Answers   Pricol,

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