Answer Posted / username

actually the torque produced by the interaction of the two magnetic fields produced by potential coil and current coil of a reverse power relay is proportional to the product of voltage and current sensed by the relay and also dependent on the relative polarity of the two quantities, so under normal operating condition suppose torque acts in clockwise direction,then if only polarity of current changes torque created will be acting counterclockwise direction creating trip of the circuit breaker.

Define bibo stability.

1079

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we have one oven for 12 zone we are installed ir lamp in oven we control load from thyrister and 0 to 5vdc so our zone no 8 getting bright in fraction of second so what we do.. Please answer

1740

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what is mean by restructuring power system?

2068

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how we select ac fuse rating of an power inverter???

1890

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Keywords: Die, Card, Coin, B/N 2 To 12

1281

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From past few months I am getting lagging pf even though sufficient capacitors used in circuit. Where is the problem pls answer

1442

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which type of cabel

2406

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i want to model paper for section engg.

2009

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please give me all the Alarm .Trip ,Safety Relays & Conditions of Diesel-generators mail me on ashokbabunhce@gmail.com

1969

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what is formula for zero phase sequence of nuetal earthing transformer of 6.6 kv

2292

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If 100 KAV USP dedicated earth got disconnect / Cut. What will happen at load.

1971

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How many wall/floor flange will i use in bus duct system if we have in our design a 35th floor building.

1498

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What if high voltage side circuit breaker of a ehv transformer instead of lvcb? Kindly elaborate.

1749

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What is the difference between electrical earthing and electrical grounding?

1153

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please send me previous year questions of jspl through which i could prepare myself for the test.

1875

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