Answer / k.prakashchandra

Before shut down, the field supply is removed.

Answer / saad

The Dc supply is used for excitation purpose firstly we
excite the generator with DC the rotor moves and generate
electricity during shut down the dc supply breaker should
be off.

What is turbocharger in a generator?

2 Answers  

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What is function for Load Bank test and why need to test.

1 Answers  

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In 110V DC supply,if a closed circuit gets open, How can we identify the voltage which is measured after the resistor(4KOhm) which is open with negative.it shows 55V +ve when measured, also the actual positive source is 55V +ve .Because there is no voltage drop in open circuit. How can we identify whether this is the voltage which is series with the resistor or the DC source direct +ve.

1 Answers   GE,

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why we not using 230kv directly why we are stepping down and then stepping up

2 Answers   Siemens,

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In a 11000/440 V transformer, when any one phase of 11 KV supply fails (ie., single phasing), what happens to the secondary voltage and why?

3 Answers   Secure Meters, TCS, Torrent Power,

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which will glow brighter?bulb 1 (110v,100w) and bulb 2 (230v.200w) series connection

6 Answers   EnPower India,

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how to calculate cable size for the motor

2 Answers  

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How to calculate incomer of a capacitor bank/feeder from its KVAR, AND how to calculate the copper busbar for rated incomer,like for 400A we calculate the 40x10 of aluminum busbar.

1 Answers  

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when 20hp 3 phase motor start no load condition in star or delta connection.find current and write formula.(tariq)

0 Answers  

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what is the meaning of osr in transformer.

0 Answers  

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Cummins 750 KVA generator how much disel consumed per hour and how many units generated on 100% full load.

1 Answers  

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What is Reactance & Impedance? what is diffrence between these?

2 Answers  

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