Answer / rishin

answer is 120....bcoz the answer is direct from the phasor
diagram which is same as that of the transformer phasor
diagram...

Answer / guest

the pf angle is nothing but angle between voltage and
current and here in induction motor the emf and current are
displaced by 30 and the stator and rotor are displaced by
delta

Explain RLC circuit?

0 Answers  

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what is the speed of current

4 Answers  

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In case of salient pole alternator when number of poles are 4 or more than 4 it helps the flux wave to be sinusoid as air gap length is increased from center to tip , but if the number of poles are 2 how does the flux wave is sinusoidal?

0 Answers  

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which of the following motors is non-self starting?

3 Answers   SS Solutions,

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What is difference between unity power factor wattmeter and upper power factor wattmeter? In short circuit test of transformer the wattmeter used is unity power factor type or upper power factor type wattmeter?

0 Answers   Jindal Steel and Power,

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the winding of Generator and Motor is star or in delta ? and why

0 Answers  

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what s a servo motor? how to control the servo motor? and its application, purpose of using?

2 Answers   Arabian Pipes,

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what is the design voltage for 6.6KV 2000 KVAR HT capacitor?

1 Answers  

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whenever any squirrel or a crow falls on the transformer input line then there is a big explosion and 440 volts of power is being discharged through the neutral line due to which appliances in off mode are also burned.we have earthing for the transformer as well as the bus bar chamber.why is it happening?

1 Answers  

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In Single Phase AC Supply,If Voltage between Phase and Neutral is 230V means what will be the Voltage between Phase and Earth?

2 Answers  

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how the calculation is done if the DG set require for the -- -48 to -51v 4000 ah battery set .

1 Answers   BSNL,

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What is transformer saturation?

1 Answers  

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