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

The exciting current of a transformer is non sinusoidal. why?

2 Answers  

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what is LT & HT?

6 Answers  

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in three phase it represented by R-Y-B.what is full form of R-Y-B.

11 Answers   Sun Pharma, TCS,

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what happens to the supply voltage if there is any change in frequency?

1 Answers   Gridco,

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Suppose i Have an Ac motor of 25Hp 1500 Rpm 50 Hz Can i run a motor 2500 Rpm by AC drives by increasing a frequency either it safe or not ....

2 Answers  

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Please, if 1kw is equal to 1.25kva; how then do I know how many kva in 7.5kw?

0 Answers  

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What is meant by SPS Aluminium pipe in substations? Anyone knows whats this?

1 Answers   Amec,

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what is the consuption rating of motor in one day

1 Answers  

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we have 350 kva capcitor bank which is not showing KW. dose capacitor shows kW OR not.

2 Answers  

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what is the use of terminals in transformer ?

1 Answers   Core Solutions, Honeywell,

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TYPES OF TEMPERING OF ENERGY METER

1 Answers  

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Before given the connection to Alternator (pre- commissioning) which tests we will conduct

1 Answers  

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