Answer / sanjay

There can be one of the following reason for the problem :

1.The AVR may be faulty.

2.The conductor is of lesser current rating.

3.Loose connection/faulty cable termination

4.Load is quiet far off from generator.

Answer / dharmans

1.mainly in AVR RRA diodes problem or lose termination.

Answer / a.p.nanjappa

iT SEEMS THE EXCITATION SYSTEM IS NOT TUNED PROPERLY.

Answer / satya dev

There is a lot of reasons to droping thevoltage during the
load.

Electrical reason - 1. Excitation voltage is not build up
to the requiered limit.

2.Fuel pump actuator is not working properly.its required a
certain DC voltage for certain load.

Mechanical Reason- If the DG set is more than two cylinders
may be one piston is not working properly, may be push rod
of the piston got broken.

what is the difference between mho characteristics and quadrilateral chara in distance protection

1 Answers   Essar,

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Does voltage and current can be seperated?

2 Answers  

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while buying 30 kva on line ups for 1 phase ouput, we ave to calculate the number of batteries for 2 hours back up? how to calculate the ah rating and number of batteries

1 Answers  

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1 Answers   Bhel,

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what is rise time and half time

1 Answers   NHPC,

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1 Answers  

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0 Answers   KSEB, L&T, Siemens,

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why C.T secondary are rated 5A generally?

13 Answers   ABC, Bhel,

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4 Answers  

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3 Answers  

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0 Answers  

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IN a transformer during power supply how the LV and HV bushing works??

3 Answers   CSEB,

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