500kV substation at 575kV

[jacob13]

Has any company experience to operate 500/550kV substation equipment (circuit breakers, CCVTs, disconnect switches, surge arresters, etc.) at 575kV continuously, up to 2 hours.

 

[odlanor]

before any studies , it should be assure there is no problem of INSURANCE for EHV euipment operation because Standard does not define this limit.

 

[dpc]

If you have a transformer, it will not like the higher voltage and would likely saturate.

"Theory is when you know all and nothing works. Practice is when all works and nobody knows why. In this case we have put together theory and practice: nothing works... and nobody knows why! (Albert Einstein)