difference between temperature sensor and temperature switch

3 Answers   ABB,

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if dc excitation is used to produce manetic flux in rotating machines then ehy it is not used in transformers.

4 Answers  

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Sir, why generating power plant operating at above 0.9 lag? detail explaination?

1 Answers   Kirloskar, L&T,

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wath is this mining of bts

2 Answers   Nokia,

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A 4-Pole D.C. Generator has a speed of 1500r.p.m. Then what will be the frequency of D.C. Generator ?

9 Answers   IBM,

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Why high voltage lines (overhead ) are called high tension lines?

8 Answers  

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What is the permissable nutral current of three phase system as per IS standards?

0 Answers  

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why rating of transformer is in kva instead of kw?

3 Answers  

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1.what is the reason for transformer and lightning arrester blast in 33kv system

0 Answers   ABB,

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how electrical energy is converted into mechanical energy in dc motor

3 Answers  

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can a motor acts as a generator

8 Answers   Cummins,

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how can we calculate the current

3 Answers  

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