What is the use of starter in tube light fitting.how it works.

3 Answers   JSW,

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In ac motor,when dc supply is given what happend to the motor?

3 Answers  

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What will happen to the protection and metering, if the polarity of a single or two PT/PTs in three phase system is reversed? Please provide reference if any.

0 Answers   Mind Tree,

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if z transform lies in ROC then. a)system is stable b)inverse of system is stable c)both system and its inverse are stable.

1 Answers   CCP,

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what is reactive poower

3 Answers  

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What is the effect of pd controller on system performance?

0 Answers  

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present we are having 0.8pf but I want increase it up to 0.99 so what is the formula for it and how can i calculate?

3 Answers   ABB,

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What is mean by retrofitting of machine tool please brief.

1 Answers  

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whatare the disadvantages occur,if the form factor of transmission will not be equal to 1.11

0 Answers  

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How can we findout the maximum efficiancy of Transformer? At which load?

0 Answers   HAL, Tanfac,

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why we use star connection on the primary side of a transformer?

5 Answers   DRDO, TCE,

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what type of motor are there in megger how they work.

2 Answers  

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