Answer Posted / virendra joshi

Fundamental diffrence is the quenching medium at the time
of Making & breaking of contacts ( vaccum or air )

what is the importance of Partial Dischage test for Electrical Equipments

1859

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What are the components connected in between the power supply coming from an electric pole to HT & LT Panels in a large commercial building or how the power supply connected from Electric pole to Transformer & then to the HT & LT panels of a building? Please send me answers via mail, my id is yogiagarwal@gmail.com. If possible, please give a line diagram.

2019

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Starting times for soft starter & power factor is thier any standard or datas available in manufactures list. Kindly suggest.

1869

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In the Variable Voltage Variable Frequency Drive, how the Voltage and Frequency varied ? Is it varied in the Inverter part of the Drive ? Please give us supporting document if any.

1903

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how brushed dc motor operating ?

1824

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I have 2500KVA transformer delta/star,13.8KV/380V provided with LV 4000A breaker. Already I have 2300KW motor feeder with a full load 90%. Is it possible to connect another 1600A from that breaker? If so how the calculation is done?

3761

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What are the main parts of central chiller plant? Explain the function of each stage.

4742

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In PFI plant one stage capacitor connection is directly connected(with out megnetic contact controll). but why?

2218

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I use 20 nos led tube 4feet, in pathway 100mtr approximate, so what size cable i use for lighting

1404

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is it possible to say motor horsepower number without seeing name plate(when name plate damaged)

5191

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Dear sir, By which formula u can calculate for a particular kv line there is a range of mw.

2068

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what is sevice settings for mccb?How can be it setted?

2132

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Define filter?

1059

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what is the formula for computing cable tray size & capacity

2115

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Vaccum circuit breaker

1315

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