how can we change the polarity of Alternating current rapidly? how frequency of ac can be controlled and changed easily?

0 Answers  

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when we start the tube light, then it takes initially 1100 volt, after glow it takes 120 volt?(when we give 220 volt a.c.)

3 Answers  

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function of apfc pannel

3 Answers  

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i have 90kw motor.so i choose connect cable .please what is parameter checked so please give to formula

0 Answers   May Baker,

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What is Dry type transformer.How it works

6 Answers   Vatika,

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i have need all detail above basic transformer question..

0 Answers  

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how digital four pin earth resistance tester works

2 Answers  

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we often use the word HT (high tension) line.or we say HT switch gear, whats does HT basically mean. is it different from high voltage.

1 Answers  

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How to Calculate 11 KV Side Cable size of a 250 KVA Oil cooled transformer

2 Answers  

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What is the difference between INVERTER and UPS?

7 Answers  

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what are the effects when the frequency is decreased in any ac machine

1 Answers  

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IF DISTANCE IS 100METERS B/W AMP.METER AND CURRENT TRANSFORMER WHAT WILL BE AFFECT IN ACCURACY .METER CAN SHOWING ACCURATE CURRENT OR NOT IF NOT WHAT CAN I DO TO GET 100% ACCURACY.

0 Answers  

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