what is the chemical name for oil that used in the transformer

2 Answers   NCC,

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How many current ratings of MCB's are in the market? e.g: 1A, 2A, .......upto.

4 Answers  

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why we earth only one side of a power cable. And which side is advisable to earth.

1 Answers  

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What are the functions of different probes used in cro?

0 Answers  

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which are the criterias needed to select the kind of neutral earthing(solid earthing,resistance earthing,etc.) at various voltage levels in electrical distribution?

0 Answers  

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If the capacitor feeder is switched ON without any load, is there any display in the ammeter at the incomer?

3 Answers   RTD, Welspun,

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What will happen if the oil level in the buchholz realy of a transformer gets down?

3 Answers  

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name the famous power plants in ap and vwhere it is located with capacity details

1 Answers   BARC,

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what do you mean electrical earth pit?

2 Answers   Enercon,

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what you mean by transformer neutral earthig

1 Answers   IOCL,

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ASTM D 3455 - Standard Test Methods for Compatibility of Construction Material with Electrical Insulating Oil of Petroleum Origin has been used for Testing Transformer Oils with a product placed in it. Aged Control Oil has a Power Factor of 0.032% at 100°C. Aged Oil with a Test component has a Power Factor of 0.093% at 100°. Is this increase acceptable? If not why? How much increase is acceptable?

0 Answers  

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in dc machine airgap is there b\w stator and armature but by conduction emf is generated how & what is conduction

1 Answers  

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