Answer Posted / m.rajkumar

Dg Synchronization panel used to 2 or more dg sets.
because load sharing perposs.
first master dg start upto 70% load increased to another dg will start that time voltage,HZ,RPM its to match only two dgs syneh.

what is the standard duration after failure EB power

1839

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if 2 coil of 1000W connect in series and 200 v is applied across it . then what is the total power of coil when coil have only resistive load .

1966

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2137

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How much dc volt applied in cathodic protection system?

2329

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What is the use of mc( moving coil) in dc voltmeter and dc ammter and what is the use of ( moving iron)in ac voltmeter nd ac ammeter

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2289

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1819

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Give some example of fault limiting devices?

1361

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2100

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2085

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1809

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Igfet is a

1640

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How do the synchronizing lamps indicate the correctness of phase sequence between existing and incoming alternators?

2185

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what maximum range of star & delta in hp or kw ?

1702

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explain all the classes with example

1967

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