1> what r different types of fault in cables? How will u locate and test these faults? 2> why earth wire is provided on top throughout the transmission line. why not only on towers? How much area it can protect? 3> what r different types of transmission losses? How power loss can be minimized? 4> what is the % of power loss on transmission lines?

3 Answers   IOCL,

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In DC current-excitation to transformer, why it sucks more current? Eventhough there is no power transfer between primary and secondary? R is very low so it should suck less current only na thn y its current increases?

2 Answers   Cairn,

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what is difference between RCB,RCCB &RCBO?

3 Answers   ABB,

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Is there any Institution for giving M-tech in Electrical engineering for those who r in service? Give the details please.

0 Answers   CB&I Lummus,

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what is battery impedance testing and how we perform this test with four wires.

1 Answers   Etimaad, MRF,

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How can we deside Short Ckt level of electrical System,Breakers etc.please provide formula to find SC of HV side & LV side

0 Answers  

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what happen for input voltage output voltage input current output current and kva if we increase primery winding in transformer?

1 Answers  

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details of oil cell size of Breakdown voltage test of tranformer oil details as per Standardswith mushroom electrodes?

0 Answers  

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How does a digital electronic meter work??????

0 Answers  

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What's an AVR? What's its purpose in Generators?

4 Answers  

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Which machine u will prefer to use at where flameble gases are comming out & why?

1 Answers   NTPC,

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when running 2 nos 450kva dg sets in parallel operation ,in one Dg set power factor and Kvar going to lagging and ampere suddenly going high,please give me suggestion to correct the same.

2 Answers  

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