Why VCB and SF6 breakers to be used in HT used by cant ACB of higher rating to be used for 11kv and 33kv.

8 Answers   TCS,

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What is the formula to calculate the rating of a three phase air circuit breaker

0 Answers  

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What is Partial Discharge test .Please specify that this test can be test on 11/0.433 KV,630 KVA Transformer.

1 Answers   NBCC,

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Tell me how you are ready to comply with the employment rules and regulations if your CV is considered for employment?

0 Answers  

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can we use the 110 v primary Tr 240 v secondary step up Transformer as reverse 240 pri 110 sec

3 Answers   Hyundai,

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Why in india freq. is 50HZ & in U.S.A. it is 60HZ?

2 Answers   MacLellan,

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You are given 220 V supply source, four wires, an ammeter and voltmeter. There is no any indication or description on meters. How will you identify which is ammeter or voltmeter?

7 Answers   ABB,

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a new 3ph induction motor doesn't rotates their ratted speed, why ?

2 Answers   Sail,

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what type questions asked in hp cl

0 Answers   HPCL,

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In 11/0.414 KV Parralel supply network with Bus tie closed what will be the fault level is it doubled or halved??

0 Answers  

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why t/f are rated in kva. is it conserned with p.f.

3 Answers  

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defination of reactor

3 Answers  

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