What is the difference between Isolator annd Circuit Breaker.

21 Answers   ABB, Lanco, NTPC, Power Grid, RInfra,

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sir,in our plant we r using SATEC PM172E power reading meeters in HT panel side it is monitoring the MB data smart viewer(sever).but last one week we did not get readings inthe server only available in meeter.tell me how communicate meter and server. and also what steps we take for checking.

0 Answers  

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Why the transmission lines are in 11kV, 22kV, 33kv, and why not 10kV,20kV, 30kV?

2 Answers   Bhel,

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Will a 230VAC motor run OK at 208VAC.

7 Answers  

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What is the effect on Power factor and capacitor when your company load is more than 70 % of welding transformer

0 Answers  

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how to set relay setting? and example calculation...

0 Answers   JSW,

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why we use two slope(differential & restraining) in differential relay.but in busbar protection differential we are using only one slope?please explain

0 Answers   ISRO,

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We have 2 no. 4MW DG set. and GEB supply. But, we running, only 1 DG set. when we done APFC/Power factor setting : 0.90, then winding temp. Low. but when setting done : 0.83, then Winding temp. increase. WHY Why ? ? ?, plz give me answer.

4 Answers  

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the single phase voltage is 230 volts and threee phase is 430 v.why three phase is not 660 v?

2 Answers  

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what is the use of 6.6kV/6.6kV Transformer???

3 Answers  

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How to design grid earthing

1 Answers  

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it is used to measure the potial difference between two point?

2 Answers  

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