what is the function of Droop CT and where it is used?

3 Answers   Lanco,

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how one can know the charging time, discharging time of a 12 VDC battery ? If i have a battery of 12 VDC , 4.0 AH , how long will it take to charge from a charger (power supply) of input 220 V , Output 15 V and output current of 3000 mA and how long will it take to discharge whether using or not ? How much backup will it give ?

1 Answers   ONGC,

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what the different between earthing and grounding?

4 Answers  

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Why the ratation of fan is anticlockwise all over the world?

2 Answers   GNFC,

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What is meant by Energy Efficient Transformers??? give significance

1 Answers   MahaGenco,

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Is there any reason that a vertical motor can not be mounted horizontally ? I happen to have one and would like to use it horizontally to save money by not buying a new horizontal motor.

1 Answers  

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which motors are used in electric traction?

1 Answers  

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What is the latest generation of circuit breakers called?

2 Answers   Focus, Oil India,

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How can I model an open-delta ground transformer for a network supplied by 4 unit GTG and power transformer in ETAP?

0 Answers  

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why in electric train we can't feel current & generally we have get socked in our normal electricity ?

3 Answers  

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Which protection detects both AC and DC?

3 Answers   Megatron Solutions,

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tell me the operation of ELCB. How it detects a fault?

4 Answers  

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