Answer / k.prakashchandra

The output of earth tester is AC

Answer / karthik

DC Motor, DC Lamp, etc.,

What is dc induction motor ? and how to control its speed ?

1 Answers   HAL,

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Which system use dc to dc high voltage gain A. Solar system B. Battery backup

1 Answers  

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i am venkat i got gre 930(verbal 270 quanta 660) and my toefl score 105..here question is why u got less score in gre ? what i supposed to tell...any chance of rejection is there...my accadamics record is very good

0 Answers  

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what is a motor

5 Answers   Eskom,

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What is the PIU.

1 Answers   Jindal,

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what is the difference between potential Transformers and capacitive voltage transfoemers and where it is used?

5 Answers  

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Does Lightening arrest requires Earthing?..

5 Answers  

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why the impedence of the transformer is expressed in percentage?

3 Answers   DEWA,

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If i want to build 230kv substation what are the equipments to be installed?

7 Answers  

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What is the difference between surge arrestor and surge capacitor?

2 Answers   Shreem Electric Ltd,

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We wish to test 60 Hz systems from a 50 Hz supply. To acheive frequency conversion, we use a VFD. The VFD powers 40 kVA transformer, which has motor and non-motor loads on it. Will the transformer work?

2 Answers   Suzlon,

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Why is it that variation allowed in supply voltage to motors is (+ or -)10 %, whereas that in frequency is (+ or - )5 %

3 Answers  

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