Reversal of corrent feature in MCCB- What is reversalof current -explain broadly.

1 Answers  

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WE know that for Inductor X=2pifL,In DC f=0,then X=0 so,V=IX=0;But In the DC excitation of rotor of AC generator,DC motor field coil which coils are inductor so why does not applying DC voltage short the rotor coil of AC generator and field coil of motor?If it would then DC source might be damaged but it is not happened. Why does the strand conductor of Electrical power transmission line make twist?

0 Answers  

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can we use HT cables for LT power supply ?

1 Answers  

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What is the advantage of AC supply?

5 Answers   PSU,

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what is the kva rating of 20 kv transformer?

1 Answers  

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What is the Impedance, inductive reactance calculations

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if an induction motor is operated at unity power factor what will happen? will motor run or not? kindly describe a logical answer?

2 Answers  

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How 3 phase invertor works?

0 Answers   Aero Ltd,

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how to identify vector group of three phase transformer by voltage method?

0 Answers   AAU,

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can any tell me why slope 40% and 80% is calculated in differential protection?

0 Answers  

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why does a dc machine has high efficiency while working as a generator than as a motor ..

0 Answers  

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What type of input will the OLTC indicator will accept or what type of output the OLTC will produce to monitor it's position at remote location.

1 Answers   amps,

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