What are the components of feedback control system?

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transformer phasor diagram under load explain it?

0 Answers  

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What are the factors influence the choice of an electrc drive?

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what type of earthing is done on hilly rocks.

4 Answers  

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How do we measure earth fault current in Generator Transformer(20/420kv),Station Transformer(20/11 kv) and Unit Transformers(20/11kv) for our plant system, since these don't have any Neutral earth Fault relay connected to their Neutral Earth? But for Unit Service transformers(11/.433 Kv) we have an Earth Fault Relay connected to its neutral earth.Why is such so?

1 Answers   NTPC,

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why the difference arise between HT reading & LT reading (submeters fixed in complexes, apartments etc)if the power factos exceed from 0.9 to 1 can the ht meter reads fast?

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Is it weather conditions make any problems to the electrical equipments and if yes means is it any precautions needed?

1 Answers   Hexaware,

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what is battery impedance testing and how we perform this test with four wires.

1 Answers   Etimaad, MRF,

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why rotor resistance starter is not suitable for squrielcage induction motor?why it is suitable for slipring induction motor?

5 Answers  

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what is per unit calculation?looking for simple and strong explanation thk u

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What are the different modes of plc processor?

1 Answers  

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Define demand factor?

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