I have been using an 600VA with 0.6 p.f UPS with my desktop which has 450W power supply unit. Can anyone explain how can this happen . Because the output of the UPS is 360W (600*0.6) (<450W)

0 Answers  

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what happen if the load connected to the induction motor is taken away? the same question for synchoronous generator in synch i think that the the exitation voltage will appear on the terminal only if so plz answer me

0 Answers   Escorts,

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which plant has high load factor

10 Answers   APTransco,

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What is the principle of Excitation.

1 Answers  

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why battery dc voltage become Half when we check with respect to ground for example 120volts + and - terminals and when we check + terminal with Earth thats 60volts why 60volts same result on 24Volts and with ground 12Volts only expert answer that thanks we can not ground the battery.

2 Answers   Etimaad,

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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?

4 Answers  

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why transformer ratings in kva? & DG ratings in kva? & Motor ratings in kw/HP?

0 Answers  

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can we use trip light with bus coupler?

0 Answers  

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what is difference between neutral and ground wire?

2 Answers   TCS,

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Difference between stepper motor & induction motor.

1 Answers  

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How Id and Ires are calculated in siprotech 7ut612 and abb trsfmr differential relay.what is the formula

1 Answers  

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If a manufacturer decribes a power supply transformer as providing a secondary voltage of 24 volts when connected to a 240 volts supply, do you think they are refering to the full load or no load secondary voltage?

3 Answers  

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