Why the rating of the HT breakers are in 1250 Amp, while the load on the breaker is around 50 Amp. ?

9 Answers   Wipro,

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Can we step up a 230V supply to 400V using a single phase transformer??

2 Answers  

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what is AVR? what is the function of AVR?

2 Answers  

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How does the sensitive earth fault protection provided by cbct for motor can help in reducing the size of cable used to supply the motor?

1 Answers  

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If we want to change a contactor of faulty one what are the conditions want to fullfil

0 Answers   Qatar Shell,

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Why dnt we generate 5-ph or 7-ph supply like as 3-ph supply

2 Answers  

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can you any one give exact mathematical relation between AC current and DC current?

0 Answers  

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What it is the diff btw Package & PEC AC's????

2 Answers   Emerson,

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what is mathematical relation between ac to dc current how will convert Iac=50amp to Idc

7 Answers  

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wat is the role of reactive power in power generation?why we have maintain it.

3 Answers  

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use of automatic voltage regulator & input voltage of it?

1 Answers  

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What is Class and accuracy in CTs? Types of Classes and important of Classes?

2 Answers  

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