why our power production in multiples of 11.

2 Answers   ABB, Infosys,

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How the Transformer oil testing is done & Why oil dielectric goes LOW & what is solution for that ??

3 Answers   NTPC,

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can i know how to design overcurrent setting and earth fault for 11kv & o.433kv system assuming tx 1000kva.

2 Answers  

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Consider three heater bank connected in 3 phase star with neutral.Each heater bank connected in each phase.So each phase get 230 volts supply.my question is,during balance condition, current flow in neutral or Not

0 Answers  

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What is GND Transformer?

2 Answers  

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what is different between buchhoz relay and pressure relife devices in transformer

2 Answers   Spanco,

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draw vector diagram and +ve,zero sequence diagram of symmetrical three phase fault.

0 Answers  

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How to decide whether A / B / C / D curve type MCB should be used?

0 Answers  

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on what factor insulation resistance depends

2 Answers   Uttam Sugar,

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What are the details of ratings of different types of ACSR conductors?

2 Answers  

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What are the specifications for conducting earth leakage test as per IEC standard?

0 Answers  

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What is OLTC in a transformer, specify its fuction.

35 Answers   Bhel, Isgec, L&T,

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