WHY NUTRAL GROUND SYSTEM USED IN 33KV SYSTEM

0 Answers   RasGas,

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whenever any squirrel or a crow falls on the transformer input line then there is a big explosion and 440 volts of power is being discharged through the neutral line due to which appliances in off mode are also burned.we have earthing for the transformer as well as the bus bar chamber.why is it happening?

1 Answers  

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Why armour HT XLPE power cable required to Earth?

1 Answers  

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what are the differences between MCB and MCCB ?

19 Answers   Bhel, DLF, Omax,

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How to select cable the size, what is the parameters use and what is the formulas use for this cable size calculation?

0 Answers  

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what is the need to express current and voltage in rms value? rms value is also called as effective value,what is effective value?

0 Answers   Bhel,

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What are the solutions for avioding sulfide formation at bimetalic (Copper &Aluminium)overhead joints?

2 Answers   HAL,

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what is the different between bus section and bus coupler

2 Answers  

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In EDO ACBs what is a purpose of closing coil and motor, what is the operation of these devices are they inetconnected. means if we give supply to motor and by BCS we charge Closing coil,what exact is operation is and how it charge a spring of ACB. Sir if anybody has an wiring diagram please send me the link to operate and EDO breaker.

0 Answers   PCE,

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Explain the different regions in frequency response?

0 Answers  

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why a pure inductive circuit has zero power output?

8 Answers  

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i have a 4 Mva transformer 34.5 kv / 480-277 v and i used 2 parallel 3200 amp bus duct for the secondary feeder using 3 ply of bus bar ( 3/8" x 5" ) as a common where the flexible link terminated and 6300 amps breaker for the main, the lower bus duct reaches 70 degrees and the upper bus duct reaches 55 degrees when i used thermal scanner. why the temperature is not balance when the load reaches 3600 amps.

0 Answers   SCM,

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