what is the diff. btwn. electronic regulator and ordinary rheostat regulator for fans?

3 Answers  

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sometime battery charged and then automatically charged when rectifier ON conition, is there any chances please clarify the same.

1 Answers  

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what is the difference between MCB & MCCB

3 Answers  

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How to calculate of maximum demand if given 628kw, 785kva, 0.8 p.f.

0 Answers  

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Sir we are using 250 kva DG its Diesel consumption 25 lits / hrs maximum load 160 kva now how to calculate units/ litres

1 Answers  

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how to find the multiplication factor for digital energy meter and analog energy meter

0 Answers  

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what is the conductor size in 33/11 kv line

5 Answers   Al-Thamer,

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what is means of CLASS in current transformer name plate?

3 Answers  

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how a resistor resists to flow the current?how an inductor oppses the sudden change in current?how a capacitor opposes a DC voltage.

0 Answers   Hindustan Unilever Limited,

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Why DC excitation is used for alternators? Why cant it be AC?

35 Answers   ABB, Ace Info, Alstom, Shalivahana Power,

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i seen a 132kv/11kv transformer,and thier is a sugar factorys 10MW EXPORT PLANT,MY QUESTION IS THAT WHEN THEY EXPORT ELECTRICITY THEY USE THE SAME TRANSFORMER AND THE CONNECT IT TO 132/11KV TRANSFORMERS SECONDARY SIDE CAN ANY ONE EXPLAIN IT.. THE TRANSFORMER IS OF KIRLOSKAR MAKE AND IT HAS TAP CHANGER.

1 Answers  

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why we cannot protect 100% winding of an alternator by using differential protection?

0 Answers  

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