why exciter frequency 150 Hz ?

1 Answers   Siemens,

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what is different between phase and netural

0 Answers  

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suppose we using 3 phase motor of 440 v means what range of C.T. is require for measuring current ?

9 Answers  

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If a 1.5V,3W torch light bulb is connected in series with a 15HP/11.19KW,230V single phase motor and the combination is connected against a 230V supply and switched on than what will happen keeping all other parameters as it should be A)the bulb will glow normally B)the bulb will not glow C)the bulb will glow with extra brightness D)the bulb will burn out and if a fuse is connected to the above circuit will something happen to the fuse and what about the single phase motor will it be affected? Please explain with derivation

4 Answers  

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What is the method of estamating of cable, CB,MCB ?

0 Answers  

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Why carbon brushes are used in motors?

6 Answers   BARC,

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1. Can a 12v DC choke operate a 60v/12w PL lamp ? 2. Can a 230v ballast fire / operate a 60v/12w PL lamps.

0 Answers   ICS Integrated Computer Solutions,

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In control room of our one plant there is a continuously the incoming power goes to PC is vary,means in stabilizer it continuously indicate from high input to low and low input to high. what is the reason and its solution.

0 Answers  

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Mechanism of Wye Delta Starter?

2 Answers   ABB,

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what is rotary ups?

2 Answers  

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WHY IS THE EARTH FAULT CURRENT ALWAYS LESS THAN THE NORMAL CURRENT??

0 Answers   Teil,

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what are the effects on an power plant and consumers if the power factor is increased or decreased?

2 Answers  

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