Generally at what power factor the electronic equipments like computer, TV, EPABX etc.,operates. Please tell me.

1 Answers   HAL,

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how to select the automotive wire size by mathematical calculation. for xenon headlamp with ballast. the ballast given data voltage 10-17v,current permenant 6amp, run up phase is 15amp, peak at swicth on max 400micro sec is 40amp.the sum of cable resistance is 150mohm.please provide referenc document if any for relating the peak at switch on current,time & wire wire size

0 Answers   Tyco,

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what is the purpose of slope in the differential relay?why we are using two slope?but in busbar differential we are using only one slope.why?

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Why Magnetic Core Balance test is performed only on Star side of Transformer and not on Delta Side of Transformer (Vector Group Dyn11)?

1 Answers  

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What is mean by ideal infinite bus? Why it is required to consider in fault short circuit calculations?

1 Answers  

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if 12v battery get discharged for 2 months after if we put charge it will charge again?how much time it will take to charge?

0 Answers  

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How to measure the Harmonic Distortion of UPS ie THD?

0 Answers   MG Tech, NIC,

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I NEED RRB APTITUDE QUESTIONS AND MODEL PAPER,PLEASE SEND MY E-MAIL joo28_eee@yahoo.co.in

0 Answers  

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If a manufacturer decribes a power supply transformer as providing a secondary voltage of 24 volts when connected to a 240 volts supply, do you think they are refering to the full load or no load secondary voltage?

3 Answers  

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i will applied in 1U-1W on 440 volt primary delta side. what is the result of magtic balance test

0 Answers  

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I HAVE CONSUMER WHOSE POWER FACTOR IS 65% I WANT TO INCREASE IT TO 98%.HOW TO CARRY OUT?

7 Answers  

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hi there i am highly enthusiastic about discussing electrical concepts , and hence i wud lyk to invit al do intrested to join me at gtalk and hav a dscussun of the concepts , ad me as a freind . my email id is rakesh.2k99@gmail.com

0 Answers  

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