What will happen to the protection and metering, if the polarity of a single or two PT/PTs in three phase system is reversed? Please provide reference if any.

0 Answers   Mind Tree,

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What is boost transformer in railway??

2 Answers  

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WHAT IS MEANT BY EMBEDED SYSTEM?CAN WE CALL PLC AS EMBEDED SYSTEM?

2 Answers  

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WHEN TWO ALTERNATORS ARE OPERATING IN PARALLEL, EXPLAIN WHY IT IS OBJECTIONABLE TO OPERATE ONE AT A LEADING POWER FACTOR AND ONE AT THE Lagging power factor?

1 Answers  

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what is difference between neutral and ground wire?

2 Answers   TCS,

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what is closing resistor in circuit breaker? why it used?

3 Answers  

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what is mutual induction principle?

6 Answers  

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which pole motor is best ?4 pole motor or 6 pole motor,why?

2 Answers  

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What happen if we apply square wave or traiangular waveform voltage to the transformer primary winding instead of sinusoidal wave?

0 Answers  

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how to identyfy cable sizes?

4 Answers   IAF, Mylan,

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what is pure resistive circuit and pure inductive circuit

1 Answers  

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1)What are the proccedure of initial charge of 100AH lead Acid battery bank 2)whether discharge test is reqd ? if it is rqd why, how 3)what are the discharge critieria (volt/cell or sp.gravity/cell

1 Answers  

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