HOW TO WORK A VFD?SAY SIMPLE METHOD

1 Answers   GE,

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what is the diff between earth leakage relay and earth fault relay?

7 Answers  

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our plant maximum demand has 500 kva.need to suggest me to maintained pf 0.98.how much capacitor bank will be connect to the supply line.

1 Answers  

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why we are used thermistor in motor

1 Answers  

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If we want to change a contactor of faulty one what are the conditions want to fullfil

0 Answers   Qatar Shell,

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What_is_mean_by_negative_dc_voltage? why we use -48v except +48v in DC power supply systems.

2 Answers   APEL, BSES,

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How Many safety of Air circuit breaker

2 Answers  

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for high freq ac,why we first convert AC to DC and then DC to high freq.AC

0 Answers  

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In our plant we are having 6.6 v motor wih MV drive running frm last two years.udenly at some speed motor getting vey vibrations what is the problem

2 Answers   ITC Infotech,

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My meter CT is 200/5amps Then my electrical meter MF=???please suggest

2 Answers   KFC,

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3 phase induction motor rotor field rotate at synchronous speed w.r.t ?

3 Answers  

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The insulation resistance of a cable can be measured by

3 Answers  

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