What is the difference between expansion joints & thermal expansion joints in Bus bar

1 Answers  

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when we given 3 phase supply to ups system, but out put comes with 3 phase + neutral how it possible? pls explain.

3 Answers   Enzen, Juniper Networks,

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Is ground earthing required for neutral conductor of a prime mover ie DG set?

1 Answers  

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Rated moter voltage and frequency is 380volt 60 hz but moter is running at 380votac 50hz is this harmful for moter winding

1 Answers   Infosys,

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How to calibrate or test an LT Air Circuit breaker 440 volts, 35 KA, 800 Amps ?

0 Answers   ABB,

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why we r using 4-20ma instead of 0-20ma in instrumentation

2 Answers   EID Parry,

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what will be the effect of leading power factor on turbogenerator (and system) that is running parallel with other TG.

1 Answers  

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why root three is used and how its comes in three phase power system?

1 Answers   IEEE,

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why use generator Earthing/Graunding.

4 Answers  

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how earth resistance can be improved in dry soil

0 Answers   BARC,

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What is difference between mcb and mccb.

0 Answers  

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high voltage transformer input voltage,current and amps rating..distributed transformer input voltage,current and amps rating...

0 Answers  

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