Name the different control schemes of electric rive.

1 Answers   DVC,

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Current chopping mainly occurs in air blast circuit breaker.why?

1 Answers  

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what is a power factor?

0 Answers   MPWU Kiribati, Thermo,

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A 400 V, 50 Hz, Δ connected synchronous generator has a field reactance of 0.1 Ω and armature resistance of 0.015 Ω. At full load, the machine supplies 1200 A at 0.8 pf lagging. Under full-load conditions, the friction and windage losses are 40 KW and the core losses are 30 KW. What is the machine’s overall efficiency? Ignore any field circuit losses.

0 Answers   VECL,

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What is use of starter and choke in tube light

0 Answers  

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What is different between Metering CTs and Protection CTs?

4 Answers  

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Stepwise process of Northern grid failure in 2012!? (dont copy paste from wikipedia)

1 Answers   Rashtriya Ispat Nigam Limited RINL,

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Why short circuit calculation is not required in LT cable sizing and requiredin HT cable sizing only

2 Answers   Chemtex,

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1) How to calculate battery backup for ups as well as solar with complete formula elaborately......

2 Answers  

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What is difference is of VSD,VFD,VSDS, are they the same as the direct current to control dc using above mention

0 Answers  

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What is chopper

1 Answers   Enercon,

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meaning of two lines in between the transformer single line diagram??

3 Answers  

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