Answer / sai

Over load relay,rated incoming switch,forfect fuse rating
or mcb,proved the proper earthing to the moter,proper
direction,proper indication of the condition of the motor.

Answer / kuldeep

contactor,olr,mcb,nc,no,power supply

differentiate between remote backup relay and local backup relay?

1 Answers  

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In power generator sets, when they are coverted from 50hz to 60hz, the kva rating after conversion increases. For example, the manufacturer of a perkins 200kva @ 50Hz generator set has mentioned it to become 220kva after converstion to 60hz. What is the relation between the frequency & the KVA rating. Any formula please.

3 Answers  

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how caculate the pump head to maintain perticuler pressure of water and what would be the motor size in hp for the same?

1 Answers  

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what is diffrent of RCCB & MCCB

6 Answers  

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i need previous entrence exam papers of nhpc.

0 Answers  

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How one can check the MAIN of a house wiring ?

0 Answers  

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How much width of the land shall have to be left below the EHT line of 440 kv as per the rule. i am told that a corridor of 35 M width is to be left free below 220 kv line. please confirm

1 Answers  

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what is meaning of bus riser

0 Answers   TeamLease,

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oil cooled transformer

0 Answers   Jindal,

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What is the difference between AC and DC injection methods for rotor earth fault protection

0 Answers   Asian Alliance Insurance, NBVL,

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why the undervoltage relay's interlock is used in earthswitch closing operation of the 400kV line scheme?

2 Answers  

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What is the meager?

6 Answers   ABB,

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