Answer Posted / anil kumar

Protection for alternator are

Over voltage relay
under voltage relay
Earth fault relay
Over current relay
overload relay
reverse power relay

What happens if i apply 500V to 440V rotary Switch ?

1836

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What is difference and reason b/w -48V BTS system and 24 V BTS system. Plzzzzzzzzz tel me.

2227

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What is meant by rotor?

1289

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What is the difference between earth fault protection of motor feeder with CBCT and Without CBCT ?

2938

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What is open loop and control loop systems?

1140

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How do i perform grounding of star point of Genset (400V) for making connection with step up transformer of DELTA-DELTA (400V to 20KV) ? while Genset itself has its own neutral and grounding bus bar inside genset breaker box whereas we have another neutral and grounding busbar in synchronizing panel next to genset at maximum distance of 6meter, would someone pls advice if we can only perform neutral grounding in synchronizing panel or should we ground neutral on both places inside genset breaker box and synchronizing panel.

1750

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List out the the types of Mounting Light fixture?

1615

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i am trying to PSUs/govermeant jobs since last 2 years but still i m not success, plz help me.

1946

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How many turns are there in primary winding? (In Transformer)

1714

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Direction of flow of active power and reactive power with logic?

1759

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11kv/433v delta/star distribution transformer primary side full load Ht current is 83.33A in , but input side VCB rating 800A.why?

1669

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when we have to purchase the transformer by own i.e how much load will preferred HT connection?

1682

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As per the Anchor capstan motor specification, full load current is 200A. starting current is 1750 A and acceleration time is less than 8 seconds. Please guide for selection of cable size.

1854

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reason of diode failure in alternator

1863

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What are the Full Forms of TVM, MTL, CVT ?

1442

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