Answer / mashani

presure switch is used to shutdown the substasion if the
presure inside the substasion is abnormal....this pressure
switch will tripped all Circuit Breaker inside the
substastion

Answer / k.prakashchandra

Pressure switches are used in pneumatic circuit breakers to
maintain air pressure

what is the speed of electricity?

11 Answers   Bhel,

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which motor used in electric train ans how much volt.

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what ispositive, negative, zero sequence impedence?

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What is the main uses of VCB & ACB?

2 Answers  

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why we use 6nos of C.Ts on 11kv incoming?

2 Answers  

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why we use CVT (capacitive voltage transformer)in switch yard?

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sir please send me iocl written test paper in my e-mail account. i'll be obliged to you........ thank u roshan

0 Answers   IOCL,

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HOW CALCULATE MOTOR KW, IF MOTOR NAME PLATE MISSING, WE FIND ONLY MOTOR WINDING RESISTANCE ONLY

1 Answers  

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can a 12v dg starting battery(150 AH) be replace by 6 nos of 200AH batteries each of 2v connected in series.

3 Answers  

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