Reduction of capacitor switching transients by controlled closing

Abstract

The permanently installed syncronously switching •vacuum breaker. • •. .. .. .. . 45 24. An oscillographic record of bus voltages and phase currents during a single bank energization of the prototype installation. • • • • • 47 25. A plot illustrating the effects of ambient temperature on the timing accuracy ofthe switch during its first 2 years in service. • • • • • • • • • 48 26. Computer plot of the bus voltage as a function of time for the "single bank" case. Energization 4.17 ms from voltage zero • • • • • 56 27. Computer plot of the capcitor current as a function of time for the "single bank" case. Energization 4.17 ms from voltage zero •• 57 28. Computer plot of the bus voltage as a function of time for the "single bank" case. Energization 3.0 ms from voltage zero. 58 29. Computer plot of the capacitor current as a function of time for the "single bank" case. Energization 3.0 ms from voltage zero •. .. .. a a a 59 30. Computer plot of the bus voltage as a function of time for th "single bank" case. Energization