Answer / balamurugan

we need answer for their.

Answer / shahid

vcb or any no need 2 relays 1 and only enough.
or system designer can put 2 one master and other slave to
shore tripping but not only vcb can be all types of cb.

Suppose an electric motor with a controller is not working. What is the sequence of testing you will do in your troubleshooting?

2 Answers   Emerson,

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what is the speed of current

4 Answers  

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In Plumbing services What are accessories we consider for a bathroom?

0 Answers  

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Can we use droop CT in neutral in place of W phase of alternator ?

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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what is the name of transformer oil.

15 Answers  

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What is the suitable rating of MCB used for 1.5 Ton A.C & why?

4 Answers  

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State the factors, for the choice of electrical system for an aero turbine.

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A powerplant has 8 gensets operating in grid parallel mode. In one genset sometimes there is pf variation and kvar variation. The plant operates in pf mode. When this variation is onbserved the load is stable, voltage is also stable, freq and genset speed is also stable. How will you check the functioning of pf card. What shall be the ideal output vdc of the pfc, from there it is input to AVR?

1 Answers  

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what is ring main unit?

1 Answers   Otis,

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how to calculate capacitor bank value to maintain unity power factor plz xplain with some suitable xample?

4 Answers  

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What do you mean by power transformer?

0 Answers  

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