what is meant by brushed alternator & its working principle ?

0 Answers  

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What is the method of estamating of cable, CB,MCB ?

0 Answers  

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how does calculate loss correction factor in transformer

1 Answers  

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what is the minimum insulation resistance for HT AND LT motor ?

3 Answers  

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How to calcualte the total number of cells required for particular UPS of some X KVA with 3 and 5 hours back-up?

1 Answers   JLL,

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What are the safety equipments you should use while you are in a hvac switch yard

1 Answers   GPSC Gujarat Public Service Commission,

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In case of motor Power Factor Generally We Apply A Capacitor But How Can We Know That A Motor is Running On Very low Power Factor And What Rating Of Capacitor We Have To Place And Tell Me Conversion Of Micro Farad to KVAR>

2 Answers  

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1.What is the proper definition of power system stability? 2.some times a blue spark is visible in the secondary side of a distribution transformer at the contact position of bushings and fuse wire,why?

1 Answers  

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What is the major differences between RCCB & ELCB? If we use ELCB of less sensitivity why does it trip often and can we control it from tripping?

1 Answers  

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If there is unit power factor in a power house and a capacitor bank used in a factory at resistive load . In this case, will there leading power factor in power house across that factory.

2 Answers  

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What's the difference between non break power supply and non break non short break power supply

0 Answers  

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i want to know about psu exam eligibility critaria?

1 Answers   ISRO, PSU,

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