Answer / k.prakashchandra

Making currents in all phases equal so that there is no
current in neutral.Maximum imbalance allowed depends on
equipment and type. For capacitor bank 1% ,transmission
line 10% and distribution lines 20%.The relay settings are
at the %ges of full load currents.

What is the function of retrip in busbar?

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how to measure earth pit resistance

7 Answers   BARC, BYD Electronic, Construction,

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please can i know about total harmonic distortion and how i can calculate it and if anyone can help me to find any program to help me to calculate THD?? please need it

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IN A MAGNETIC MATERIAL HYSTERYSIS LOSS CAN'T BE REDUCED TO ZERO. HY?

3 Answers  

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what is PID control in VFD drives?

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If a air condition consume 2.50 to 3.00 amp then how much it will consume in watts if it is running 10 hours out of 24 hours????

0 Answers  

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1.Whats the use of GNAC(Generator Neutral Accessory Compartment) 2. why generator or any other system require Neutral Grounding and not Phase grounding 3. what happens if any one of the phase is grounded. 4. if 15kv is grounded directly what will happen, why it should not be grounded like that 5. use of of NGTR(Neutral Grounding Transformer and Resistor) for grounding is helpfull and how

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how tan-delta test is performed?

1 Answers   GE, VDL,

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1)we r having one problem .one dry type transformer(6.6KV/433V)is taking high magnetizing current on delta connected HV side of "U" phase when compared to other two phases.could any body tell the reason why it is happening? 2)why CT secondary side protection core has got higher winding resistance when compared to that of metering core of same CT?

2 Answers  

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Simple calculation of improving power factor?

5 Answers  

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