Answer / k.prakashchandra

Yes. To prevent neutral shifting,to provide protection and
to make earth wire useful

Mr. mohh sahid m not satisfied for ur answer to the que weather the size of transformer increases or decreases withchange in fr for more detail go to the answer given by me

1 Answers   Sail,

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Three phase star connected PT transformer primary side one phase fuse is blown what will be the output in secondary side(Secondary side also three phase star connected)

1 Answers  

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IR value for 30kw lt motor

1 Answers   Hofincons,

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We have laid the single core Armoured cable 7 nos ( 2 each phase & 1 neutral ) to cater our electrical load . the issue is though we have Glanded the cable both the end also givan the earthing to the panel both the end we are facing a heavy sparking at the gland side. what could be the reason.

12 Answers  

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why a single phase induction motor has poor power factor

0 Answers  

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what is formula in determining the size of Circuit Breaker for transformer with the following specifications. 7 units of 1600 volts (primary) and 400 volts (secondary). Both Primary and Secondary will have a circuit breaker which is SF6. What should be the Switchgear Main Breaker Size anf the sizes of each brances Circuit Breaker for Primary.

1 Answers   ABB,

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why two windings are using in single phase AC motor

3 Answers  

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How to connect a ELCB with contactor and relay ?

0 Answers  

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In the Load Test of 3 Phase Squirrel Cage Induction Motor, 2 wattmeters are used. One of the wattmeter deflects in negative diretion during no load. Why?

1 Answers   CAT,

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why the perameters of secondary circuit are more important then that of the primary circuit of induction motor?

1 Answers  

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how to find out this one mcb r mccb?

4 Answers   L&T,

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after how many spot we must chang secondry cable in portable spot welding gun?

1 Answers  

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