At the present time, an EHV circuit breaker can interrupt fault currents of the order of 105 A at system voltages up to 800 kV. ... One of the first designs, and one that is still in common use, incorporates a tank of oil in which the breaker contactsanbsp;...
|Title||:||Power System Relaying|
|Author||:||Stanley H. Horowitz, Arun G. Phadke|
|Publisher||:||John Wiley & Sons - 2008-04-30|