When are the directional relays used?

0 Answers  

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how to check the stabilty test for generator differential protection

1 Answers  

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if transformer core is made of copper instead of steel which losses will increase..please explain

5 Answers   Bhel,

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how do you find making current and breaking current of the circuit breaker

1 Answers  

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Sir I want questions for rrb sec technician gr III (electrical)

1 Answers   RRB,

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what is difference between line differential and transformer differential?

0 Answers   L&T,

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what is the diffrence between resistive , inductive and capactive load please explain with exmpels?

2 Answers  

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for 5KW resistive load can anyone please suggest me whether to go for UPS/Inverter or Generator depending upon cost calulations

0 Answers  

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why incomer bay is required before transformer bay if there are more than 1 nos. of transformer bay.

0 Answers  

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how can we convert 48V dc into 12 V dc? Any standard device for it??

2 Answers  

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how the direction of rotation in a dc shunt motor could be reversed?

2 Answers  

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what is the principle of operation of tungstun bulb ??

2 Answers   IOCL,

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