why secondary of transformer always grouded?

1 Answers   IIUC, Sodexo,

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principle of power export and import in captive power plant.Is it depends upon voltage,current or frequency?Plz explain briefly.

1 Answers  

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During a temperature rise test of a bus duct, it is fed with 415 volts at 2000 amperes. Why dont we get an electric shock if we touch the bus bars?

7 Answers   ABB, SDBL,

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Is there possible to Test Transformer for Overfluxing Capability. Or is there any firm who does Overfluxing Test on Transformer?

0 Answers  

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WHY THE FREQUENCY IS 50 HZ IN INDIA.CAN WE USE SOME OTHER FREQUENCY.IF SO WHAT IS THE RANGE AND WHAT WILL BE THE EFFECT IN PRESENT POWER SYSTEM IF WE CHANGE THE FREQUENCY AS YOU SUGGEST ?

32 Answers   L&T, MCL,

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for compensate 315mh inductance ,how many capaciance required?

1 Answers   Mitsubishi,

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why rating in KVA and KVAR?

4 Answers  

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Can anybody post questions asked in Engineers India Limited Interview? Thanks in advance.

0 Answers   Engineers India Limited,

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How many no of flip-flops are required to get 16 bit counter

10 Answers   HAL,

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how to minimize earth resistance upto 2Ω, if the resistance is 6 Ω ?

0 Answers  

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why don't we use the generator as a motor? and what will happen?

0 Answers  

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why motors are rated in HP?

3 Answers   HCL, ncpl,

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