Whether the over frequency protection is turbine or alternator and why?

1 Answers   Marg,

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Why earthing transformer used in Distribution Sub-Station?

3 Answers  

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how to calculate the mf of kwh meter,if ct the ratio on meter is 100/5A

2 Answers  

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two parallel conductors are carrying the current in the same direction.which of the following statements is true? (a)there is arepelling force between the conductors (b)the force increases when the distance between the conductors is increased (c)there is an attaracting force between the conductors (d)the force increases when the distance between the conductors is decreased

1 Answers  

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what should be the no load current of an induction motor

2 Answers  

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ELECTRICAL MACHINE

2 Answers   Bhel, HPC, NHPC,

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why we are using star connection and delta connection? difference?

5 Answers  

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what is closing resistor in circuit breaker? why it used?

3 Answers  

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how to calculate multiplying factor with ct ratio 400/5

1 Answers   KBPL,

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For DG or Transformer body earthing, is it necessary to terminate the earth bus to earth pit directly? If not terminated to earth pit directly in earth pit and connected to any common bus strip which ultimately connects to earth pit, what will be the pros and cons?

1 Answers  

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Which type of moter is used in trains, what is the ratting of supply used explain Working principal?

2 Answers  

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Is it alright to connect more than one RCCB of same rating in series for a three phase equipment?

3 Answers  

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