Answer / nagarajan

Normally using All low torque application such as pump ,compressor and airlock valves etc.

What are the difference between off-load tap changer and on-load tap changer in transformer?

2 Answers   HCL,

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I HAVE A INCOMING 100A MCCB TPN 25KA, CABLE LENGHT OF 80M 70MM CABLE SIZE FROM MAIN SUBBOARD TO NEW DB.BASE ON THE FAULT LEVEL SETTING OF 45KA.I WOULD LIKE TO FIND OUT 25KA ENOUGH KA. APPRECIATE IF SOMEBODY CAN ASSIST ME WITH FORMULA FOR THIS. FRM: JEFF

0 Answers  

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Why there is a current in neutral line

3 Answers   Honeywell,

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Pls mail me utility & Dg related question with answer

0 Answers  

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a motor's measured current is 45amp,whereas the rated current is 38 amps but still it is running ,how?

5 Answers  

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what is the function of NAT & NAC contacts in breaker control switch (TNC)??

2 Answers  

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The 3 phase 400 hp 440 volt slip ring induction motor do not take one phase amps why ? The motor is running good condition

0 Answers  

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I have 2500KVA transformer delta/star,13.8KV/380V provided with LV 4000A breaker. Already I have 2300KW motor feeder with a full load 90%. Is it possible to connect another 1600A from that breaker? If so how the calculation is done?

0 Answers  

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what do you mean by earth fault in transformer?

2 Answers   L&T, UPL,

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Discribe type of fault in DOL and stardelta startor.

0 Answers  

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why neutral busbar size is half of the phase busbar size in control panels

1 Answers   IBS,

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how to calclate fault level

2 Answers  

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