DC Motors applications used in Lift/Elevators

8 Answers   IOCL, SCS, Usha Martin,

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why voltage swells and dips in transmission line?

2 Answers  

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what is the principle of singkle phase energy meter?

3 Answers  

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What is reason of rating of transmission line multi pal of 11 like as 11/33/66/220 ? Why not use 75 kv 23 kv line in power system ?

1 Answers   Apollo, Balco, Bhel, Vardhman,

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what is the mechanism of operation of brushless dc motor why is it more wexpensive then ordinary permanent magnet motors

0 Answers   Lanco,

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How a Universal motor works in Both A.C and D.C? What is the constructional difference with other single phase motors?

1 Answers  

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what is the differnce between high impedance relay and low impedance relay

4 Answers   Areva,

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what is skin effect and corona discharge ?

4 Answers   Asian Paints,

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What is meant by impedance? difference between high & low impedance ?

0 Answers  

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What can a fresh(without experience) electrical engineer contribute to NTPC( Or any PSU company) growth?

3 Answers   NTPC,

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what is the path of electron when a static electron is placed in a magnetic field?

1 Answers  

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Why a single-phase induction motor not an inherently self-starting machine?

11 Answers   ETC, Hindustan Shipyard,

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