CAN WE GENERATE AC WITHOUT DC EXCITATION?

1 Answers  

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what is power factor for any engineering equipment?? what should be its value?

3 Answers   ETA,

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what is the preventive maintence for ht panels and busbars and vcb abd acb's.

0 Answers   Future Group,

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why is the vector group analysis done in transformer tests

28 Answers   K K Rao, Lloyds, Nicco Engineering Services Limited, Qatar Petroleums,

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what is the main function of lbb protection

3 Answers  

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Define bibo stability.

0 Answers  

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why onlyseries motors are used as universal motors? why not shunt?

4 Answers   TCS,

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In Power Line Communication (PLC) the wave trap is used to block communication signals from entering neighboring lines. My question is this: Why do they allow for different filtering arrangements on these wave traps? Isn't it always going to be a low pass filter since we want the power frequency to go through, and the comm signal blocked?

0 Answers  

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please let me know , we have installed two separate motor for fire fighting system 1) 60 hp and 2) 15 hp the load is 74 AMPS and 20 AMPS then tell me the main power cable in Aluminum will be what thickness , the length is 225 mt from the main utility to fire pump house

1 Answers  

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Write a note on materials used as a fuse element.

0 Answers   Bhel,

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How can we convert dc to equivalent ac??

4 Answers  

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1. A bomber drops a bomb from an aircraft flying at 2000 km/hr. at an altitude of 7km. The speed at which the bomb will strike the earth would be

0 Answers   KNJ,

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