1. name the relay for protecting transformer 2. Current Transformer 3. potential Transformer

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What is SFU ?

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What are the advantages & disadvantages of a group electrive drive?

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My question is abt backlog.I had dropped one subject in my second year, and completed this subject in the 3rd attempt, so how many backlogs i have got?1 or 3?plz sujjest the answer as soon as possible

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What is auto transformer?

28 Answers   ABC, Transformers and Electricals, US Consulate,

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why ct is testing using dc.. y cant we use AC insted of dc on POLARITY TEST.

6 Answers  

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If a manufacturer decribes a power supply transformer as providing a secondary voltage of 24 volts when connected to a 240 volts supply, do you think they are refering to the full load or no load secondary voltage?

3 Answers  

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What happen when increese more than 50HZ fequincy.

5 Answers  

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what are the types used for alternator earthing,what will happen if more than two alternator is working in parallel with each having own system earthing.is there any possibility for circulating current in between two system.

3 Answers   BEL,

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In 90 kva alternator that produce the output voltage is 115(p-n),200(p-p) at 1500 rpms means what ampere it produced ?

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Please tell me what is the difference between online UPS & OFF line UPS?

2 Answers   HAL,

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one electromagnet is called

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