Answer / sa

It is a protection to provide upper safe limit of current
i.e. genrally 110%.

Answer / erharisheee51

means protection from over load or short circuit protection.
current exceeds when short circuit and load increases. to
protect from that we have to ensure the relayy like over
load relay.

Answer / manjifera

the protection when current exceeds.

5MVA TRANSFORMER SUDDENLY FAIL WITH THE PRV TRIPPING AND LARGE AMOUNT OF OIL SPREAD OUT? SO IT CAME BACK WITH THE REPAIRING WITH REASON THAT IT FAILS BCOZ OF TRANSIENT EFFECT? SO PLZ EXPLAIN HOW DOES IT HAPPENED?

1 Answers  

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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

3 Answers  

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how to calculate the powerfactor in induction motor having name plate details? for example 1 h.p motor 1.86 A 415 V

6 Answers  

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A 3 phase motor, 440 voltage, induction motor. If we take out rotor from motor and if we give supply 440 volt to stator then what happens?????

20 Answers  

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Hi friends, i m electrical engineer i want a cdr for migration purpose so anybody have information about this then send me on jayesh_ee88@yahoo.com.please try to me

0 Answers  

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In more then 1 phase bulb will glow are not?if yes then how it will glow?

2 Answers  

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What is transister define the transister ammiter ,base, colector.

0 Answers  

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How are calculated the aluminium busbar cross section area?

2 Answers  

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what happen if one of 3-phase line has a much higher load when we are using delta to star transformer? how we can over-come from that?

2 Answers   Getco,

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what is d meaning of inrush current of a trafo ? how u can calculate this ?

1 Answers   Jindal,

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what is the problem occer in motor

5 Answers   IOCL,

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which meter used to measure a flus

2 Answers   RRB,

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