Answer / amrish

VFD Means Variable Frequency Device,,, so as same as name we can control the speed of motor with the help of VFD by controlling V/Hz parameter.

What is mean by earthed & unearthed cable? Voltage grade of 1.9/3.3 kV(E), 3.3/3.3 kV(UE), 3.8/6.6 kV(E)what it indicates??

2 Answers  

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what is the difference between diode and zener diode?

21 Answers  

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IF TVM OF TRANSFORMER SHOWS POWER FACTOR ON 33 KV SIDE AS 0.97 LAGGING AND ON 132 KV SIDE IS 0.75 LEADING.IS THIS CORRECT.WHERE IS PROBLEM.

0 Answers  

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What is sunrise meeting ?

1 Answers   KSEB,

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what are the things that can cause a three phase motor to crawl?

1 Answers  

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can we use the step down transformer to step up transformer

6 Answers  

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simple way to find busbar sizes??

1 Answers   SPAC,

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How the real power output is controlled in a Generator?

2 Answers  

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What is the difference between a Vacuum Circuit Breaker and a Load Break Switch?

7 Answers  

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what is the difference between on line UPS & INVERTOR

2 Answers  

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What is the name of powder which is used in inner side of a cable? and purpose?

1 Answers  

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What is the specification of service line (ie from electrical post to cut out) used by electricity boards used in india.i mean which material,its size etc.. please give the answer at lalkishan.p@gmail.com

0 Answers  

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