Answer / sheik

megger

How can we increase the capacity of Energy.?

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For a 6.6kV Motor it is recommended to do megger test with 500 V d.c and not more than 5kV d.c but the Hi voltage withstand test should be performed by 12kV AC. Why the dc voltage test should be limited but AC voltage withstand test could be with such a high voltage?

0 Answers   Hormozgan Steel,

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I want to design a heating coil of 80/20 nicrome for 3.5KW please give me the calculations choosing for physical dimensions assume coil voltage will be 110V AC assume necessary conditions

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cab we add capacitor bank with generator to improve power factor or not??????

1 Answers  

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what is the difference b/w KVA and KW? the transformer are mentioned KVA rating and the loads are mentioned KW.why?

2 Answers  

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Parts of machine and their discription in details with suitable photo

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what is surge arresters ?........

7 Answers  

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briefly explain principle of resistance welding

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what is the current setting for different relay protection for transformer .

0 Answers   Crompton Greaves,

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How can I known multiplying factor .without multiplying table

0 Answers   Student,

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why dc is not given to transformer

4 Answers  

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What is the drawback of class b amplifier? How is this minimized?

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