can i able to get bhel previous exam question paper?

0 Answers   Bhel,

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If we have a 2000kva load,How much kvar capacitors we go to add to improve the power factor at 0.9?pls give the calculation and fully theory?

2 Answers   ABB, Unitech,

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during the period of armature reaction ,if the brush shift is not accomplish, what happen?

1 Answers  

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Hi, I'm running plastic reprocessing company where all motors are running only in delta. Due to that when I use start my 30 hp motor my transformer gets fuse. Where it happens two times a day. I gt a suggestion from a person about Automatic Power Factor Controller APFC. Is it useful for my problem??? Or is der any other way for solving this problem?? Upgrading the transformer is difficult. Pls give Me ur suggestion. Waiting for ur reply.

2 Answers   Shree Lingaa Polymer,

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how the frequency was generated in power station

2 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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Sparking occur when a load is switched off because the circuit has high – a.) Inductance b.) Capacitance c.) Resistance d.) None

3 Answers   Ecil,

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what is carona and how is occur?

5 Answers  

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what's the difference between ATS and AMF...??pls answer me in detail with its working principle and construction also..

3 Answers  

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How is earthing done in Aerospace applications such as Flights and spaceships..?

1 Answers  

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how we can know the rating of transmission line by no. of insulators disk ??????????

3 Answers   NTPC,

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how much kn lightning arrestor is used in 11kv line

8 Answers   Power Grid,

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