Answer / tinku

A moving iron instrument because they are cheapest

Answer / pinky

a PMMC

How would you supply power to a village which is very far from a sub-station and has only a 11k?

4 Answers   Power Grid,

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if 20 hp motor starts directly delta connection.motor what will be the effect.

3 Answers   HP,

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Where the excitation is given either stator or rotor in actually in power plants?

8 Answers  

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Why design 150Hz in Exciter

1 Answers  

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A 400KVA transformer has 400 Hz frequency. If the frequency is changed to 50 Hz, then what will be the new KVA rating?

0 Answers   Spectrum,

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ON WHAT BASIS LOADS ARE CLASSIFIED AS RESISTIVE,INDUCTIVE AND CAPACITIVE LOADS?.GIVE PRACTICAL EXAMPLES FOR EACH

6 Answers  

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Advantages of low voltage drive (control panel)

1 Answers   ABB,

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What are the types of the glands and difference between single and double compression type of cable Glands.

0 Answers   ABC, All Trades Electrical,

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do we convert single phase line to three phase at minimum cost?

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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what is the difference between phase and neutral?

3 Answers   IAF, Indian Airlines,

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What is the basic principal, by which DC voltage level is increased more than the supplied AC voltage during conversion. As upto AC level it is contorrled by firing anlge but after maximum level how is it possible.Please clear picture. OR we have to supply the higher level AC?

0 Answers  

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