Answer / muhammad riaz

The potential difference between to point.

why dc supply given to ac alternator rotor

3 Answers  

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Help need in transformer !? Hello Friends The parameters of 2300/230 v 50hz t/f is R1=0.286 ohm R`2=0.319 ohm Rc=240 ohm X1=0.73 ohm X`2=0.73 ohm Xm=49.2 ohm Secondary Load impedance ZL=0.387+J0.29 solve the exact equivalent circuit with normal voltage across primery.. I know every thing but i cant find CURRENT I1=? and I`2=? Please help me give solution or only Formula please please...

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What is the difference between diode and a transistor in terms of the direction of current flow?

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while doing the excitation current test on power transformer what is the value of voltage to be applied? Nomonal rated voltage or 10% of rated voltage? Is it necessary to apply on high voltage side?

1 Answers   ACC,

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1.What is the proper definition of power system stability? 2.some times a blue spark is visible in the secondary side of a distribution transformer at the contact position of bushings and fuse wire,why?

1 Answers  

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What is the difference between a Vacuum Circuit Breaker and a Load Break Switch?

7 Answers  

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how single phase preventer works ?

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How to caluculate number of batteries to connect a three phase ups by KVA?

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why do we use magnetic contactors ?circuit breakers are not enough?

5 Answers  

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How does an induction motor start?

0 Answers   Ericsson,

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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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Diagram on interconnectivity of 11kv transformer with RMU (i.e, one incoming and two outgoing or two incoming and one outgoing)

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