what is the use of ballast in tube

2 Answers  

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110 KW MOTER DOL STATER 240SQ.MM CABLE MOTER AND STARTER DISTANCE IS 110 METER WHAT IS VOTAGE IN MOTER END AND SYSTEM VOTAGE IS 415 V HOW I CAN CALCULTE

2 Answers  

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How does "OUT OF STEP" relay ,for Synchronous motor protection, work?

0 Answers  

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what are the insulation properties.

2 Answers   Cable Wireless, MAHINDRA,

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Pls anyone explain me the basics of wiring a house?

3 Answers  

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Electrical breakdown strength of an insulating material depends on............?why because?

2 Answers  

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there are a transformer and a motor. both are connected to 3phase, 415 Volt, 50Hz power supply. Both are working with induction principles. Then, why, motor is rotating and transformer is not rotating.

8 Answers  

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what is the problem when i want to close a circuit breaker by local position it closes well.but when i close it in remote position it trips

0 Answers   KPCL, MDIM,

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why the projects getting loss?

0 Answers   SBPL,

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1. What is differential relay? How it operates?

3 Answers  

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The efficiency of a 100kva transformer is 0.98 at full load as well as half load , for this transformer what is the Copper loss at full load ?

0 Answers  

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with out colour codeing on conductor how can be find what is r,what is b,what is y phases.....

0 Answers   Divis Laboratories,

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