Answer / ramkumar

ssr drive is working with digital pule like on or off but AC
drive is working mosfet triggering method

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

3 Answers   HP,

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how to synchronize 3 phase slip ring induction motors of different ratings.

0 Answers   GMR,

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A motor works on 30 killo watts.how much ampers will be required if it works on 440volts?

5 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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How can we select suitable capacity generator for three phase load (inductive load) and how to take study analysis in 3 three phase load system ?

0 Answers  

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Different types of relay fault which phase sequence??

0 Answers  

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Where the ON LOAD TAP CHANGER is provided in the setp up transformer?

2 Answers  

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A powerplant has 8 gensets operating in grid parallel mode. In one genset sometimes there is pf variation and kvar variation. The plant operates in pf mode. When this variation is onbserved the load is stable, voltage is also stable, freq and genset speed is also stable. How will you check the functioning of pf card. What shall be the ideal output vdc of the pfc, from there it is input to AVR?

1 Answers  

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can we apply kirchhoff's laws to circuits containing non linear elements?

3 Answers   Metro,

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need of capacitor used in plant

3 Answers  

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when we have to use UPF wattmeter and LPF wattmeter? what is the difference between UPF and LPF wattmeter in terms of construction?

0 Answers  

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Which of the following are the important limitations of rod gap surge arresters? 1. They are not capable of selling off power frequency follow up current. 2. After a discharge, the rods are destroyed completely. 3. Performance is affected by climatic conditions. Use the following codes for selecting the correct answer. Codes: (a)1, 2 and 3 (b)1 and 2 (c)2 and 3 (d)1 and 3

1 Answers  

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