Answer / k.prakashchandra

It is used to block unwanted DC supply.In case of Dg set
used for charging batteries, it blocks the reverse supply
to DC gen if the set fails.It protects dc appliances from
connecting wrong polarities to the supply.In battery
chargers it enables measurement of charging voltage and
battery voltage seperately.etc

What is the maximum breakdown voltage of 11KVA and 66 KVA power line and how it is calculated?

0 Answers   Anglo Platinum, Narnarayan Electrical,

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How does frequency affect KVA rating of a transformer? If a 500 kva, 500 to 250 v, 60 hz t/f used in Canada is to be operated on 50 hz in Europe frequency then how will its KVA rating change? a-increase b-decrease c-remains same

1 Answers  

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what r the safety measures in UPS ? explain all?

0 Answers   Wipro,

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what is the CT & PT. where is it uses.what is the using that plese kindly answer me...?

4 Answers   Cap Gemini, JLL,

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Classical power system stability was mainly focussed on rotor angle stability but modern power system stability has more focus on voltage stability.Why?

4 Answers  

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Installation resistance for whole installation of 16 kva & 25 KVA DTRA a) Between each conductor b) between conductor to earth c) installation resistance for each apparatus, each conductor to earth d) earth resistance for the system of earthing

0 Answers  

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what is the function of an auto reclosure relay in OHL?

1 Answers  

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E.B sending end to receiving end 33kv ug cable laid 8Km,receiving end to ss1,ss2,ss3,ss4 all are Approx 800 Mtr,can go for 33KV to 430V or 33kv to 11kv in receiving end and 11kv to 430 near ss ,which one is good for technically and economically.

1 Answers   JLL,

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Can anybody just suggest about the scope of Electrical design with ETAP software?Just guide me?

0 Answers  

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Why substation battery room is coulered black?

1 Answers  

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how much LT load can bear by the 100 KW HT connection.

0 Answers  

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what happened if power factor is "1"

9 Answers   Reliance,

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