Answer Posted / hari

1 kva load = 0.35 kvar

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

2389

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why steady state stability limit is greater than transient stability limit ? How it can be explained ?

2928

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I HAVE A 50A MCCB AS PER DESIGN LINE WIRE CONNECT UPWORD SIDE AND LOAD IS CONNECTED TO DOWNWARD SIDE TO THE MCCB.IF NOW ANY ONE CHANGE SUPPLY & LOAD(WISEVERSA) WHAT HAPPENS ? DOES MCCB OPERATION OR WORKING FUNCTION NORMAL IF YES THAN WHY THERE ARE MARKED LINE & LOAD ON MCCB.

2394

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where reactive power is used

2059

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What is UPS and How do you maintain the UPS Maintenance? Brief Description on UPS maintenance.

2602

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What is the formula to calculate a three phase alternator

2355

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How to determine the breaking capacity such as break down current and break down voltage for VCB and CT's.

2207

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for what voltage will reactive power be largest in 380 kv line : a) 375kv b)380kv c)385kv

1485

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

1969

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Advantages/Disadvantages of earthing of neutral bus on MSB instead of separate neutral earthing for transformer/DG sets feeding to MSB

2810

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please anybody help me to find out the BHEL trainee Exam previous year questions papers . if u ve pls. send it to surekhared@gmail.com

1992

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in Telecom DC system-why positive +ve is made earthed.and - ve is fed to load.

2713

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can i use the six sigma method which is used in management area, in state estimation of power systems?

1879

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What is safety of Ht panel

1669

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What are the factors which influence the choice of specific magnetic and electric loadings of a synchronous machine?

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