Answer / ayyagari

System earthing is how your system neutral is connected to earth. if neutral is not provided then derived neutral is used.
solidly earthed, neutral grounding resistor , inductor, neutral grounding transformer are some ways of system earthing

plz tell me the potential difference between phase and netrul

2 Answers   CGL,

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WE HAVE A PROBLEM THAT THE MAIN DRIVE OF OUR CEMENT MILL HAS AN EARTHING PROBLEM?TWO OF STATOR WINDINGS INSULATION HAS BEEN COLLAPSED DUE TO AGING PROBLEM.THE PHASES HAVE BEEN BYPASSED AND NOW THE LOAD HAS BEEN INCREASED.WE CAN'T REPLACE THE MOTOR.KINDLY HELP ME BY GIVING SUGGESTION THAT HOW TO MAINTAIN THE STARTING TORQUE AND CURRENT FOR HIGH LOADS.

1 Answers   ACC,

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explain the existence of reactive power in electrical engg?when it generates?

1 Answers  

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A three phase transformer 460v primary 220v secondary (three phase four wire system.) Why did we get 460 volts across the neutral on the secondary side?

3 Answers  

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What is the approximate percentage of Si content in transformer core(CRGO-Cold Rolled Grain Oriented)? Why it is kept so low?

1 Answers  

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What is LSIG ?

6 Answers   Apollo Power,

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Why the ceiling fan has three blades, why not two,four or five?

4 Answers  

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When a capcitor is used on 440 v thenthis is kvar rating 25kvar .my question is that when we use this capcitor  use 480 v &525 volt .how much kvar increase . Plz give my question ans. And give answer with formula .my mail id is rohitashsaini013@gmail.com

1 Answers   Neptune,

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why the energy meter disc rotates anticlockwise while reading

1 Answers   KSEB,

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when ac current flows thru d coil of a contactr,it energizes,magnetic field attracts d contact of the coil...nw wont dt ac current in d contct induce current back on to d coil thru mutual inductance leading to high currnt in d coil

0 Answers  

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what is the IPC ? & what the uses ?

0 Answers   Bhel,

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why voltages are added when batteries are connected in series?

4 Answers  

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