does a DG set has low fault level as compared to that of a transformer.If yes then why.

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cany anyone suggest electrical wesites for providing study materials?

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what is the necessity of neutral in 3 phase system?

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why we +ve load distribution in 24v and -ve load distribution in 48volt in the telecom sector.?

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which motors is used in mixies

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Why is the starting current high in dc motor?

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design a LV scheme for a 15 storied building?

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why does a dc machine has high efficiency while working as a generator than as a motor ..

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We have one Energy meter for Measuring the voltage,current,power,energy(KWH,KVARH,KVAH) & power factor.The problem is that the meter does not show whether the PF is lagging or leading.So i want to know that is there any way or calculation to find out that whether the PF sign (lagging or leading) depending upon the above mentioned parameters?

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why do we use LPF wattmeter not UPF in the experiment of no load and blocked rotor test of 3phase slipring induction motor?

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why do we require two lines one phase and a neutral for an ac transmission..is neutral potential zero..?if yes y carry a neutral line from generating station itself...why dont we take it from ground

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If anyone would like to know or practice for FEWA papers contact me on mohamedrashad2@hotmail.com Just completed the supervisor exam in April 2021

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