Why Lighting transformers are used? what will be the current if lightings connected through direct raw power?

1 Answers   BMM,

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why the excitation is necessary to produce the reactive power

2 Answers  

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WHAT IS THE DIFFERANCE BETWEEN IP54 AND IP55

2 Answers  

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why electric shock due to dc is dangerous than that of ac

44 Answers  

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what is the isolation transformer. what is the isolator?

0 Answers  

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Frequency of rotor emf in induction motor is around A same as stator frequency B 50% C 5 % or below D 30%

1 Answers  

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what is bus coupler, where it used.

14 Answers   Diebold,

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why d.c produces corrosion

0 Answers  

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what is the use of sdf?

0 Answers   Areva, SWAN,

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In power plant synchronizing time (synchroniging meter should be 12'o clock position only. why not 6'o clock position not possible.

1 Answers   ITC Infotech,

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what is the voltages using in movie theaters??? why ??why not other??

0 Answers   Lanco,

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Why the design of electromechanical energy conversion machines is based on the medium of conversion as megnetic field not as electric field?

2 Answers  

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