how the fan is switched off immediately switching off the switch?

2 Answers  

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why d.c. supply is given to the primary side of generator?

4 Answers  

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If DC supply is given to a transformer it may a) Work b)Not Work c)Give lower voltage than the rated voltage on secondary side. d)burn the winding

12 Answers   wbsedcl,

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why generator one end side star neutral point given? if this point not given what happen?

1 Answers  

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How cable from Kit-Kat to main switch, from starter to motor are designed?

0 Answers  

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What will happen if i connect the delta winding motor to star input.

1 Answers  

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why i can not use thimble on capacitor duty contactor

0 Answers  

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What are the Return ( Monthly / quarterly/ Annual submitted to Electical Inspector for an establishment (Factory in Maharashtra-- Small scale category having seperate HT line of 22KV ) as per Maharashtra Electricity Act

0 Answers  

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I did oil BDV test of 1600 KVA trafo 20KV/400V as per IEC 156. Result is 1) 58 KV 2) 58 KV 3)40 KV 4) 50 KV 5) 58 KV 6) 18 KV. Avr is 47 KV. Can we say oil is still ok even in the 6th test BDV is 18 KV ?

1 Answers  

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In case of 3Phase Supply, Voltage R-Earth/Neutral - 220 Y-Earth/Neutral - 220 Z-Earth/Neutral - 220 Total is -> 660Volts Then Why it is said that 3Phase supply is 440

6 Answers   Hindustan Unilever Limited,

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what is the function of rccb how it diffrentiate between elcb

1 Answers  

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What is applied voltage for meggering a 6600V HT cable

2 Answers   Sail,

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