when an induction motor runs on load.at that time if we reduce the supply voltage the current increases.But when it runs without load,if we reduce the supply voltage the current also reduced.why?.i checked it practically also.

1 Answers   Birla,

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What is order of the system?

0 Answers  

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A 3PH MOTOR RUNNING IN NORMAL CONDITION AND ITS AMPERE ALSO UNDER ITS FULL LOAD CURRENT,ITS CABLE RATINGS ALSO HIGER THN ITS CAPACITY,BUT ITS CABLE GETTING ABNORMAL HEAT(NOT TOO HOT)WHY ITS GETTING HOT LIK THIS?

5 Answers  

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how can u determine size of the conductor by knowing the voltage level

2 Answers  

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What is an exciter and how does it work?

7 Answers   FCUK, Lotte Chemical Titan, TATA,

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If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a campus site?

2 Answers  

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I have 2 transformers in two different plants, both are without OLTC but i am facing problem of voltage fluctuation at LV side from only one transformer. i have to change its taps manually twice in a day. Another transformer delivering voltage is ok. Please guide me about the problem

1 Answers  

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how many voltage or current enough to kill a person?

12 Answers  

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how can i improve the power factor in domestic (230v)

0 Answers   Epcos,

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single phase for 230 then why three phase are 440 volt

4 Answers   ACIL,

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wat is the need of capacitor on aceiling fan?

5 Answers  

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importance of air gap in transformer

5 Answers  

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