Answer / k.prakashchandra

Any variation in frequency results in variation of speed of
motors and inductance/ capacitance of loads.Drop in
frequency means generating capacity is less than required.

The metal-enclosed switchgear and controlgear is subdivided into three types: 1. metal-clad switchgear and controlgear; 2. compartmented switchgear and controlgear 3. cubicle switchgear and controlgear. What is the main differnence between them. State some example.

0 Answers  

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waht is the working principle of saft starter & what is the difference in vfd & saft starter

2 Answers   Cipla,

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What is the cause for a blown fuse in one phase of primery side(HV) of a three phase transformer( 4169v-460v) in the time of closing its supply breaker. There is no load on the secondery side of the transformer in this moment.

3 Answers   Novachem,

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low frequency protection why recomend?

0 Answers  

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why the active power flow of some line is increased when the active power of out is cut ?

0 Answers   TAFE,

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why we define potections of Tourbo generator in Class A & B.

1 Answers   GIL,

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I have installed capacitor bank at secondary transformer. cos phi is increase. but on load (far from transormer), it still poor. Can anybody explain it??

6 Answers  

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What will be the direction of rotation of a Alternator in case it goes in motoring action when connected with grid ?

6 Answers   DVC, NTPC,

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what are the reasons for overheating in electrical machines?

3 Answers  

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What's an AVR? What's its purpose in Generators?

4 Answers  

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What is the Minimum winding resistance of motors ( small & big)? referance range

0 Answers   TATA,

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what is the length of air terminal in lightening arrester system.

1 Answers  

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