Answer / amit goyal

you should check all type of test like Winding
ratio ,Winding resistance,megger value,megnetic balance,
Heat run test,High pressure test, low Pressure test.Air
pressure test,IOVT test,Vector group test, oil BDV test,

Answer / sanjayjssate

The MVA Rating here shows that you require a transformer which converts 11 kv to 66 kv. If you want to buy such a heavy transformer , then the seller will itself provide all the details

i am swathi, b.tech 4th year. In smps(switched mode power supply)we are using diodes,mosfets,igbts for controling of current. And my question is why we did not use thyristors(scr)? it is also act as a switch,then what is the drawback of scr as compared to above transisters> if we use the scr,then what is happening ? plz give reply as soon as possible bcoz i am doing project on smps. plz frnds i want ans for that. if anybody know the ans plz send to my e-mail id /swathi.tadakapally@gmail.com/

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