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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how to select cable size?

7 Answers  

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Why in India only 50hz frequency not 60hz

2 Answers   Prism Cement,

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Wind mill

0 Answers   Suzlon,

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what is the concept of directional power?

0 Answers  

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Sir,I have finished my B.E in the Stream of EEE.How Can I get C license for Electrical???Please Tell me the way...My mail ID is praba1003105@gmail.com Cell:7402474123

1 Answers  

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I NEED THE CABLE SIZE. I=800A AND P=315KW

2 Answers   ABC, Wipro,

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The maximum demand of consumer is 2 kW and his daily energy consumption is 20 units. Its Load Factor is (1) 10.15% (2) 41.6 % (3) 50 % (4) 60%

2 Answers  

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Why squirrel cage motor can only use with low starting loads ?

0 Answers   BEC,

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Why back emf used for a dc motor? Highlight its significance.

0 Answers  

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what is difference b/t ac current and dc current

4 Answers   L&T, Meghana Engineers,

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how to calculate capacitor rating for an induction transformer ex.for 12 mva furnace calculate capacitor rating

2 Answers  

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