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

Explain and give me an example of a time when you had to explain some new procedures to your co-workers for quality service delivery, how did you go about it?

0 Answers  

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How Humming noise generated in starter motor which was used the start the engine in a vehicle/car/Truck?.Moreover Starter motor was operated in DC power supply. Can you guys clarify ?

2 Answers  

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kindly send me 11KV MV motor differential protection procedure by primary injection method.

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why 3 phase induction motor only need starter ? why not other motors need starter ?(like synchronous motor,single phase induction motors & their types) ?

3 Answers  

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what is earthed and inearthed cable or system?

1 Answers   CCCL, L&T,

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how to calculate the input current in singel phase and 3phase supply to 5kva ups

1 Answers   Gravity India,

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why capacitor bank shorted by resistance ( 3 terminal )

1 Answers  

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Why the motor take high starting current for long time(10- 15 sec) which is connected to Blower as compaire with a motor which is connected with pump with same rating?

2 Answers  

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Why a dc generator gives result during two different condition,- 1)separately exited gen.- Eg=110 V, field current=0.25 A. 2) self exited gen.- Eg=30 V, field current=0.025 A.

1 Answers  

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what is elcb

2 Answers  

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what is earth resistance? how to measured? and give values at power station and mcc area?

0 Answers   Essar,

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