Answer / meenakshi

transformer oil is a mineral based oil that should have an excellent dielectric breakdown stength which makes it to withstand the electical stresses.its bond or interfacial tension is so strong that it does not give way for conduction till a particular limit of high voltage.main properties of a transformer oil is dielectric breakdown strength,acid number,colour,presence of water and interfacial tension

what is the use of reactive power

3 Answers  

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3Cx240 & 3Cx300 sqmm Al. cable from lv side. What is the calculation for this cable??

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What is meant by derating factor?

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Why the transformers making noise?

2 Answers   L&T,

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what is the physical connection of a analog i/p to a analog i/p module (ab plc)and through a analog o/p module(ab plc) to a analog o/p . and how all the process control by scada

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What is dynamo?How it works and what is the function of dynamo in a DG.

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What is the difference between earthed and unearthed power cable.

1 Answers  

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How do u analyse protection fault when vcb tripping on load

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define IDMT relay?

15 Answers   APGenco, Bhel, L&T, Shriram Finance,

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The electrical energy required to raise the tempreture of a given amount water is 200 kwh. If the heat losses are 20%, the energy required is?

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my b-tech percentage is 50%. what answer will satisfy the hr ?

0 Answers   Wipro,

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What is the Surge for 1.1 Phase Induction Motor(For Eg.1Hp) 2.3 Phase Induction Motor(For Eg.1Hp) 3.AirConditioner(For Eg 1Ton) 4.Refrigerator(For Eg 180Ltr or 160kW) 5.Induction Cooker 4. Ceiling Fan

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