Answer Posted / priyadharisini

3 nos of CT/PT required

what is arc flash and what are the hazards involved

2158

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why we use copper earthing for neutral while for body GI.

6154

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write encoder 17 pins details? pin a;b+, pin b;w+,..pin s & t. what is the meaning of b+, w+? explain;

2152

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What are the operation carried out in thermal power station?

1062

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Define filter?

1128

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What are the conditions for sustained oscillator or what is backhouse criterion?

1147

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Can RCD's used to protect the VVVF drive if not why.

2155

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What is center gravity load in substation?

2424

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what is the purpose of slope in the differential relay?why we are using two slope?but in busbar differential we are using only one slope.why?

2914

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what is the size of ht cable of 33kv ht line and transformers ratings are 1 Mva and 5mva.please send formula also.

1460

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3phase motor can be used as a Prime mover for alternator.

1603

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how to set the time in digital timer ?

2023

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how we can decide that what value of ht line will come to any commercial building? (ans except According to the building load)

1669

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Electromagnetic torque developed by the motor is compared to shaft torque. A less B same C depends on motor design D more

2040

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why does connected a indutor with mnsformeretering core of current transformer ?

2139

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