which device we can use in place of relay for 35000 volt

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Alec_t

Joined Sep 17, 2013
11,744
Welcome to AAC!
I don't know the answer, but more information is needed. Whether you are switching AC or DC, switching speed/frequency and the current involved, will obviously have a bearing on the device to be used.
 

andrewmm

Joined Feb 25, 2011
658
WOW,

thats 17 Mjoules

and DC,

The gap must be massive, and a big magnet to deflect that spark,.

I think your well outside the range of your average relay or even IGBT's that most of us would have used here ,

well into the area of it will kill you ..
 

Alec_t

Joined Sep 17, 2013
11,744
Google "substation switchgear" and you'll get a good idea of the sort of switch you will need.
You need professional advice, not something picked off a forum on a web-site.
 
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