Answer / jigs_eee

We have an automatic power factor controller installed and have six capacitors to control the power factor. the controller is switching on & off the capacitor in auto mode to control the power factor but when we monitor pf at the electricity board meter it is low i.e between 0.8 to 0.87 & @ controller it was unity. is it possible if the load is low?

Difference between split ac and cassete ac?

1 Answers  

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Mention what are the types of semi-conductors?

0 Answers  

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WHaT IS THE CONCEPT OF INDUCTION LAMPS IN MODERN LIGHTINGS, and HOW IT WORKS TO EMIT LIGHT ( AS NO ELECTRODES ARE PRESENT ) ?" COULD INDUCTION LAMPS CAUSE INTERFERENCE WITH COMUNICATIONS INTO A STORE USING INDUCTION LIGHTING ? WHAT IS THE BENEFIT OF USING THE LOW FREQENCY INDUCTION LAMP , VERSUS LED , AND VERSUS FLUORESCENT, AND VERSUS ANOTHER KIND OF LIGHTING . THANK yOU MOISES GUINDI

0 Answers  

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a simple c++ program to calculate simple interst with its data members as private

0 Answers   L&T,

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campared to ac, in dc corona loss is

4 Answers   DRDO,

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what is the function of rccb how it diffrentiate between elcb

1 Answers  

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what is the differents and advantages of Electro magnetics relay and static relay ? what is the numerical relay ? advatages?......

7 Answers   CAT, L&T, TCS,

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length of 4 core cable 95mm from substation LV VFD panel to Motor at field approximately 150 meter. Motor stop and power has been isolated from LV MCC ( Substation )to disconnect Motor for services. After Motor completed service propose to reinstall and reconnect Motor Cable, found earth cable sparkling during touching at metal / motor body. Inspect by clamp meter found earth cable have current flow AC 1-2amps and all earth cable at MCC LV also have current flow as same value. why it is happen?

2 Answers  

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What is the difference between AC Drive and VFD?

10 Answers   ITC Infotech,

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Which element has power dissipated in it when the source is removed ?

2 Answers   SSC,

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Dear All, If we have 8No. 11kV cables running underground that are required to supply 20MW to a new development. What is the sustained current in Amps? Please advise.

1 Answers  

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What is the difference between phase current & line current, how both can be measured in star and delta system

9 Answers   Doshion, MIT,

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