Meaning of ingrace protection for motor.for ex IPXY

0 Answers   BARC,

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what are the protections used in power transformers of 5 mva and above

2 Answers   ESRI,

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What happen if two protection core (3p) of VT in LAVT are 11kv/root3, 110v/root3 and one protection core (3p) is 11kv/root3, 110v/3

1 Answers  

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ple send to the how to improve the efficiency & economical to the thermal power plant

1 Answers  

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Earth Is a very good conductor or very good insulator.? If a good conductor then why current donot flow through small piece f earth and if a good insulator then why we use it as return path in lines.???

6 Answers   L&T,

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which has more heat effect(dc or ac)

4 Answers   CCEL, TATA,

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WE HAVE THE DC RECTIFIER 1500A, INPUT VOLTAGE IS 3 PHASE. HOW TO CALICULATE THE LOAD? 3 PHASE SIDE EITHER dC SIDE. PLEASE SUGGEST ME

0 Answers  

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Which is remain unchanged in transformer action?

6 Answers   NTPC,

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What is EPBX????

3 Answers   Emerson,

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WHAT IS TANK CKT.?

4 Answers  

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For Bus duct hi pot test, where we want to connect the return and ground leads?

2 Answers  

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If the rotor pf of a 3 phase induction motor is .866, then what is the phase displacement between stator and rotor magnetic field 1)30,2)120,3)150,4)90 please justify....

2 Answers   GATE,

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