Answer / shri..

Permanent magnate generator.

Answer / anbarasandurairaj

Pmg is permanent magnet generator used for excitation in alternator

Why we are measured insulation resistance applied through DC Voltage?

3 Answers  

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if we install two earth pits with a clear space of 5m without any interconnection,by checking the digital multimeter will it show continuity between earth pits? If so what would be the approx. value

0 Answers  

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WORKING PRINCIPLE OF HALOGEN LAMP & MEQUERY LAMP

1 Answers  

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1.stranded resistance values of motors? 2.how to calculate the resistance values of single phase and 3phase motors?

2 Answers   Bell, L&T,

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an amazing situation was faced when an alive distribution panel with 415 volts and carrying almost 200Amps has become short and this metal cubical showing 220 volts against neutral and earth. to redress any confusion i checked the panel with help of single 200watts test lamp which also glowing with max.intensity b/w neutral & metal body of DB. amazing situation is that i hold the DB firmly more than once with necked foot means without insulated shoes but not received any electrical shock. whereas our all running gen sets neutral points also proper grounded and this short DB was completely earthed , this is beyond my understanding . any body explain how is it possible . our running gen set neutral also grounded firmly

1 Answers  

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Why transformer ratings in KVA not in KW?

6 Answers   ABB,

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Explain the working principle of Vacuum circuit breaker and Air circuit breaker

10 Answers   HP, Trinidad and Tobago Electricity Commission T TEC,

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what is the purpose of slope in the differential relay?why we are using two slope?but in busbar differential we are using only one slope.why?

0 Answers  

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what is meant by earth fault and how it happens....

3 Answers  

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1.what is use of isolation transformer. 2.Differance between KWH,KVAH,KVARH,KVA. 3.Main use of the CT and PT.

1 Answers  

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two TG running in parallel at equal load.one TG CB tripped in reverse power relay.after tripping found its excitation was on & turbine running at rated speed.Please clearify why that TG tripped in reverse power ?

1 Answers   Bhel, Birla,

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Hi i want to know that in generation station what we are generate either voltage or current

1 Answers  

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