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As we know,charged clouds(from which lightning stroke initiates)may be charged with either +ve charge or -ve charge. Now say one cluster of cloude is fully charged with +ve charge & another cluster is fully charged with -ve charge. In the sky these two cluster of charged clouds have come in such a distance that, if they come clouser by some few yeards then the lightning discharge will take place between these two cluster of clouds. Under such a situation an Aircraft came inbetween. what happend??

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why we setting 95 deg and 105 deg in wti and oti of distibution transformer ? give the reson for that ?

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why we +ve load distribution in 24v and -ve load distribution in 48volt in the telecom sector.?

2 Answers  

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Please give me a solid reason there are 2 ELCB's If we take Phase from ELCB NO:1 an Netural from ELCB N:2 why ELCB is tripping when we connect the Load?please brief me with detail

3 Answers  

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What is routh hurwitz stability criterion?

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why rating of generator is kva but motor is kw ?

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Which motor isused in indian railway system?

3 Answers  

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If load is 240 kw & pf is 0.8 lagging, than how to increase it from0.8 to 1.0(unit),which rating capacitor used, please give me Calculation. What is effact of consumer & suplier if pf is lagging or leading with on effect machines/ TF/GE etc.

6 Answers   L&T,

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What is dc current source? Differentiate between ideal and non ideal current sources?

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What is the formula for calculating Transformer Losses & Efficiency. I want to compare the Transformer efficiency at different loading condition.

6 Answers   Rays Power Experts, Techser,

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What size cable is used for HT cable to the transformer of 630kVA, and the supply voltage is 11kV

2 Answers  

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If a Power Transformer Fails and the transformer manufacturer suggest that "Do all electrical test on the transformer?". What are the test to be conducted in this condition?

5 Answers  

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