Answer / robin

Vaccum Circuit Breaker

what is the formula for calculating motor rating? Example: If we want to rotate a 1000 kg waight disc up to 100 RPM, which size motor will require?

1 Answers  

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why is the rating of transformer done in kva and not in kw.

21 Answers   Honeywell, Satyam,

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whycircuit breaker is not connected at the generator end where the capacity of the generator is more say 60MW, 100MW etc.

2 Answers   Adani, Adani Power,

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If there are two transformer having rating of 2.5mva, 6.6kv/440v(satr-star),and the load is 600kw then what is better to maintain less losses in transformer having both transformer in parellel or only single transformer connected to load? Please give calculated answer

0 Answers   UltraTech,

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Why restricted earth fault protection is needed? Why can’t differential Protection is sufficient?

3 Answers  

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I COMPLITED MY B.TECH AND 10TH CLASS WITH 70%MARKS BUT 12TH CLASS 55%MARKS..CAN I GET INDIAN RAILWAY RECUREMENT EXAMINATION?

0 Answers   UPSC,

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What type of bulb used in small size cross symbol boder and original flame type(Deepam)?

1 Answers  

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how to calculate distance between busbar supporters for LT panel, what are the factors influencing in this design

0 Answers   Amara Raja, TATA,

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i have a Connected Load of 280KW and Maximum Demand of 224KW to one of SMDB under design with me. which criteria should i consider to design panel and main cables connected Load or Maximum Demand 1)Breaker rating 2)Panel Busbar rating 2)Incommer cable sizing (ignore Voltage drop)

1 Answers  

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what is the breaking capacity and making capacity of circuit breaker and how

0 Answers  

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why circuit breaker closing time is always higher then tripping / opening time.

13 Answers   United Phosphorus,

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whats the application of voltage regulation? and whats the voltage regulation's device?

0 Answers  

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