what is the Knee point Voltage?

3 Answers   AAPT,

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what is the principle of motor

6 Answers  

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One 200 V, 100 W bulb is connected in series with primary of a 200 V, 10 kVA transformer. If its secondary is kept open circuited, then the bulb would have (1) Full brightness (2) Poor brightness (3) A little less than full brightness (4) More than full brightness...explain

2 Answers  

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while doing high voltage test on 11kv/433 distribution transformer why we only give 28 kv on hv side and 3kv on lv side for power transformers what is the value what factors it depends

0 Answers   Enercon,

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Why does the speed regulating system adopting I controller have no steady-state error? In this single closed-loop speed regulating system, when the input of the I controller Un=0, what is the output voltage of the regulator? What factors do the output voltage depend on?

0 Answers   Sterling Wilson,

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WHY IS THE UNITY POWER FACTOR NOT THE MOST CONOMICAL POWER FACTOR?

3 Answers  

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?? how to calculate lighting system ????

1 Answers   L&T, Synergy,

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What phase difference between p and s winding of transformer

1 Answers   MAHINDRA,

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What types domain of laplace transforms? What behavior can laplace transform predict how the system work?

0 Answers  

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difference between earthing and grounding?

2 Answers   ABB, Bharti, L&T,

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1 KVAR = 1.3Amps but, 25KVAR capacitor/690V capacitor takes just 21Amps as leading current, what is the reason? Please explain...

1 Answers  

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what safety use in electrical panel

3 Answers  

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