in VFD when freq is reduce the voltage will reduceor not if it will reduced upto ...

8 Answers  

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what's ripple content in rectifier? how it formed?

1 Answers  

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Starting times for soft starter & power factor is thier any standard or datas available in manufactures list. Kindly suggest.

0 Answers  

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WHAT IS REMOTE CONTROLLED DG? WHAT IS DIFFERENCE BETWEEN REMOTE CONTROLLED DG & NORMAL DG SETS

2 Answers  

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Why the earth terminal pin is larger than phase and neutral in three pin plug top>

8 Answers   TVS,

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what is the difference between switchgear and circuit breakers and is there any difference between outdoor and indoor switchgear and circuit breakers , and how would you differentiate between switch yard and substation and grid station . thanks

0 Answers   ABC,

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direction of tarbine& genrator

0 Answers   Sandvik,

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why Copper loss is represented as I square R ?

5 Answers   L&T,

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in the farm,water tank of 8000 litter capacity situated in 12 meter above.Farm owner want to lift 7000 litter of water within 7 minute to water tank of 12 meter above.which motor having HP rating is suitable for pumping??

1 Answers   ABB, Anchor, Havells, Keltron, KSEB, L&T, vguard,

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What conditions are required for transformer to operate at low frequencies ?

0 Answers  

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if an insulated power and control cables of a running gas diesel gensets laid direct in an open trench i.e, trench bed is not rcc of a power house in which rain water, spillage water alwas exists and all power control cables remains submerged even when gas gensets of 480 kw each runningin on load. These power &control cables runs from power house to switchgear room through these trenches in which water remains most of the time. pl explain its merit & de-merit

0 Answers  

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how much earthings are mendatory at a 25kva sub station?

3 Answers   Bhel,

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