Answer / balram jainwal

P1, c1, p2, c2, potential coil, current coil,

when we have to use UPF wattmeter and LPF wattmeter? what is the difference between UPF and LPF wattmeter in terms of construction?

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Dyn1 transformer vector group testing how to do

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Why insulation layer of a High Voltage cable is more than a current carrying cable?

3 Answers  

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Can u explain : how capacitor act when the supply is given is a.c and d.c. I know that when d.c supply is given then the capacitor charges and becomes open circuited. But please say about when a.c is given. I have seen that when a.c supply is given ,it charges and discharges, But when we plug in capacitor to our daily supply and take it out ,then we join those wires spark will appear,which seems charge is present ,but when a.c is given it should charge and discharge

3 Answers  

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What will be electrical cost per sqft for IT building (basebuild and fitout)and for residential township?

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what things to be considered when designing UPS

0 Answers   Aplab, Veta Kipawa ICT Center,

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for 12KW motor which cable size has to select for ex.10 meter.

4 Answers  

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how to find insulation resistance of a motor(415v) by theoretical formula??

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3 phase induction motor connection star or delta while using ac drive motor is .75 to 5.5 kw

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what is the permissible bend in the LT& HT CABLES.

2 Answers  

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can volts/Hz be relied upon to use 460v,60Hz electric motors on a 380v,50Hz power supply?

1 Answers  

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what is the meaning of DSL

4 Answers   Airtel,

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