what is mean by dual digital protection in the relay field?

0 Answers   ABB,

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what is broken conductor indication

3 Answers   KPTCL,

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We wish to test 60 Hz systems from a 50 Hz supply. To acheive frequency conversion, we use a VFD. The VFD powers 40 kVA transformer, which has motor and non-motor loads on it. Will the transformer work?

2 Answers   Suzlon,

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Define corner frequency?

0 Answers  

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What are the section criteria for cables. Now everywhere XLPE power cable is used or PVC is also used?.

0 Answers   DAE,

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what is tertiary winding in transformer?What is its purpose?

18 Answers   Bhel,

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starting torque is increased and current is decreased by using external resistance in a slip ring induction motor. How??

3 Answers  

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why the capacitors works on ac only

5 Answers  

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why AC voltage source are generate as 50 Hz ?

4 Answers  

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What is the effect on in Zone and out zone fault if Phase side CT is Vk/2<30 mA and Neutral side is CT is Vk/4<30 mA for Transformer REF protection

0 Answers   ABB,

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how many BUSBAR is in electrical system?

3 Answers  

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why we use to transmit the power in three phases intead of single phase ?

4 Answers  

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