Answer Posted / koti

Plz study corona effect . then u will come to know.
ionisation of gases will happen and causes to move the
electrons randomly in all directiond and collides with
other molecules continuosly causes the humming noise.

There is any especial requirement for motor to drive through with VFD?

2546

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when the time of backcharging the transformer three phases only enough or three phase with neutral is must.from these which one is the best one.

1993

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Explain the advantages and disadvantages of thermal power plant?

1025

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how we can come to know that motor winding resistance which showing by DMM is right or wrong???is there any chart or something that we will compare & check???

1853

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How can we connect additional batteries to three phase ups? What are parameters we have to check when connecting?

2014

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what is KA rating and how can we choose switchgears on applications

1380

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If any one's require of phoenix contact like( relay , termilnal block , surge protection device ) , product please contect me 09878206357 chetan verma

2057

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What is the maximum number of swithes that can be connected in series up to down stream point in an LV Distribution system?

1938

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What is current & voltage ? Voltage perform at any load without current or not?

1823

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difference between high and low impedance BUS BAR relay??

1563

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what is your majour contributions in your present job

1747

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What is phenomenon of electromagnetic induction and how it works?

1007

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11kV capacitor bank of rating 2.4KVAR, is charged with protective relays of only over current & Earth fault &.......without Over Voltage, Under Voltage & Neutral Displacement Relay. Is it advisable??

1551

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The gauge indicates the number of amps, but what about voltage? How voltage rating (for wire or fuse) determined?

1925

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After taking shutdown of 11kv feeder, if you see 5kv by phasing stick in the cable side, is it possible to close earth switch in cable.

2307

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