what is the different between second harmonics and third harmonics ?

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WHY IS HV WINDING OF A TRANSFRMER SECTIONALIZED???

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WHAT IS MEANING OF VECTOR GROUP FOR TRANSFORMER

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How to calculate no of Lighning arrestors are required for protecting 50mX 50m*20m cubical building and locations of LA?

0 Answers   HAL,

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1.What is captive power plant? 2.What is national grid?Give brief idea.

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What is C check in a diesel generator and what are parts and what has to be done during the C check

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Why in 6 KV XLPE cable termination kit used and why not in 380 V xlpe cable same is not used

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How to calculate Ith (I thermal) for curent transformer

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Give the two basic speed control of DC shunt motor.

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what is mean by harmonics

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defult setting in p220 micom motor proction relay for 11kv,640kw,f.l.a.-40a,1440rpm ht motor?

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To determine the Healthiness of Insulation we will be performing Dielectric tests i.e Insulation Resistance test, Partial Discharge test,Switching Impulse, Lightning impulse, Tan Delta test ...etc why we required to perform this many test, why cant we do only one test. for Transformer, CT's

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