Answer / anil vaniya

Oil circuit breaker,air circuit breaker, vaccum circuit breaker and gas circuit breaker

Hi.I want to ask how to calculate contactor rating current? for example I have 460 V , 100 A (induction motor) calculate contactor rating current?

2 Answers  

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better choice of area of interest to post in our resume?

2 Answers   Cognizant,

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What is the alternate solution for testing of polarity by using polarity tester while its milli ammeter does not works?

0 Answers  

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I have one ct of ratio 3000-2000/1 Amp its knee point voltage mentioned on name plate is 500-333/30mA-50mA at Vk/2. in secondary box there is three terminal named 1S1, 1S2, 1S3 then on which terminal obtained the knee point voltage ie 1S1-1S2 OR 1S1-1S3 & also specify the knee point voltage for the ratio 3000 from name plate.

0 Answers  

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Leakage current,un balance current which relay using for high voltage transmission?

0 Answers   Banking,

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Why HT motor of 3.3 kw or 6.6 KV, one side foundation ( mostly non drive end ) keep insulated from ground ?

2 Answers  

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what curve and rateing would you use for a three phase 0.75kw motor?

0 Answers  

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Why the transformers are rated in kva?

11 Answers   Birla, NTPC, Reddy Labs, Vijai Electricals,

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Which device is provided as backup of Buchholz relay???

2 Answers   Indian Railways,

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can any one explain me the where is the use of plc and scada

4 Answers  

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why stone used in Transformer yard.

9 Answers   Birla, Eskom,

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what is mean by potential and potential free contacts

2 Answers  

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