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1 kva ups is not. charging current 120AH battery therefor use to external charger use or calibratIoin. of ups or overload

if a number of plc s are there then how many modbus to be used

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What is meant by pitch of a synchronous machine.??

1 Answers   Kirloskar,

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How many losses in generators? how we can reduce them? and also in motors,transformers?

1 Answers  

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how to select a air/vacuum circuit breaker.is there any thumb rule???

1 Answers  

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What happens if the Capacitive Voltage Transformer Primary neutral is not earthed. There is a CVT between Transformer and source, and the CVT neutral of the transformer is not earthed, does it effect the transformer while charging or does it effect the transformer charging process.

1 Answers  

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An engineer measures the direct current resistance of a transformer using ohm meter. When he/she takes out one of the leads of the meter, spark comes.. Why ?? This effect is known as...

1 Answers   Saint Gobain,

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Why in a three pin plug the earth pin is thicker and longer than the other pins?

18 Answers   LG, NTPC,

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we have a rewind motor of 2Hp,2800Rpm, 220Volt AC. how can we choose the running capacitor for this motor, any formula for that?

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why induction motor take more current when motor start time and this current take for 1 hours when motor is start.

2 Answers  

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In single phase ac ups supply when current is measured with tong tester neutral current is found more than phase current.What is the reason?

0 Answers  

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i want to learn control schedule for 11kv panel? can any one send the detailed control schedule?

0 Answers  

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what happens if DG N earthing fails while running and N Earthing fails while Transformer on load ???what will be the impact ???????/

2 Answers  

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