trv slot

IEEE C37.011 – Guide for the application of TRV for AC HV circuit breakers; For instance, for a 145kV (maximum voltage) rated circuit breaker in an effectively grounded system, the TRV it must handle at rated interrupting rating (40kA or 63kA) is 215,000 volts. The Rate of Rise of Recovery Voltage (RRRV) is 2,000V/microsecond. salam88 slot