Answer Posted / pillay

The state of the SG in a battery is the indicator of the charge of the battery. So you charge the battery to maintain the sg of the battery.

Earth leakage relay basic knowledge principle

2127

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Has someone here done a sizing for a generator (3 phase), its for a pumping station. If you have an example for standby/duty and both running (I) star delta (ii) Soft Starter.

2087

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Is it possible to implement Restricted Earth Fault protection for a transformer without neutral CT?

4239

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why it is not advisable to run low rating (19KVA) DG sets in parallel for long durations even though they are provided with droop ckts (QDC)

1851

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i have applied for the post of RRB section engineering chennai board please send me previou papers and solved answer. my mail id jagarapusrinivas@gmail.com

1923

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What is slip in an induction motor?

1085

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The SFC of an engine is 0.25 kg/kW hr. when the fuel used has a calorific value of 36000 kJ/kg. the thermal efficiency of the engine is

1886

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Batteries used for electrical energy storage are a. Laclanche cells b. Edison cells c. Lead acid cells d.any of the above

1827

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In india, according to trade theory above 5 HP motor reqired star delta starter. But we R connect 11 KV motor with 14MW in Direct to line ( With VCB starter combination) Can U Guess, How it is possible ?????

2075

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we have 2.2kw,Y,3000rpm motor but 6leads found in TB what happen if we connect in delta?

1817

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i need the curve duty cycle and amper for (150 kva @50% dyty cycle) transformer turn ratio :19 and vin 400

2058

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What is the difference IN MCCB's between thermal magnetic and electronic tripping system ?

1979

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What do you mean by lighting transformer?

988

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Why mostly the HV side of transformer has Delta?

3157

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when will be the iocl interview results i faced interview on 8th september 2008 iam from electrical branch i faced interview for the post of electrical engineer??????????????????????//

1990

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