What is open delta Xformer? It's adavntages & Use?

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Why the wave trap is put in Y phse only in switchyard?why not in other phases?

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in my observation NCT is used at Karnataka power transmission. why we are not used in andhra pradesh

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i have a 4 Mva transformer 34.5 kv / 480-277 v and i used 2 parallel 3200 amp bus duct for the secondary feeder using 3 ply of bus bar ( 3/8" x 5" ) as a common where the flexible link terminated and 6300 amps breaker for the main, the lower bus duct reaches 70 degrees and the upper bus duct reaches 55 degrees when i used thermal scanner. why the temperature is not balance when the load reaches 3600 amps.

0 Answers   SCM,

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how many by pass system in online UPS.

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Could the power factor on electrical system can affect the registration of the kwhr meter or the CT/PT? 

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How can make a star delta with Rstar delta feeder ( ( 4contactor & one timer ) pls answer with digram (power &control digram)

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What is the significance of integral controller and derivative controller in a pid controller?

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is it possible to test of bus bar in high rise building without completed full floor ?

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wat is the function of an inductor? examples.....

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What is resolution of a measurement?

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1. what is the meaning of bus? 2. what is the dc transformer? How it work 3.what is the function of the serge absorber? 4.How the CT and PT rating calculate/

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