explain the existence of reactive power in electrical engg?when it generates?

1 Answers  

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why fault current time duration is calculated for 1 minutes?

1 Answers   Rockfort Engineering,

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What is the minimum value required for Neutral to Earth in UPS Panels

3 Answers  

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Fot testing new star-delta 132 kw motor in electrical worshop.we should check in star or delta connection as we do not have higher capacity cable in worshop?

4 Answers   Adani,

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mcb kitna type ka hata hai aur uska pura naam please bataye

2 Answers  

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What is meant by control system?

0 Answers  

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what is the differance between HT motors And LT MOTORS.

0 Answers   Empire Vitrum Glass, Sappi,

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As per principle we say in three phase supply ,the voltage is producing by phase angle between two phase so two phase is needed means then why we using three phase ?

2 Answers  

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At what distance power transformer can be placed from generating ?

6 Answers   NTPC,

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if a single phase 3 hp submersible pump of Crompton Greaves is moving in reverse direction and sometimes it moves in rigth direction ,then what may be the cause....

2 Answers   Crompton Greaves,

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Stator of 3-phase IM has 3 slots per pole per phase. If supply frequency is 50 Hz, calculate the speed of rotating stator flux A 1000 rpm B 500 rpm C 1500 rpm D 1440 rpm

0 Answers  

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How amny AH battery required for 600va inverter ?And how many hours it will give backup for ceiling fan ?

3 Answers   HCL,

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