Special Spark-Gap Switches For Use in Synthetic Test Circuits

In technology concerned with proving the performance of modern high-power circuit-breakers, special spark-gap switches have been developed to meet the specific requirements of 'break' and 'make-break' synthetic circuits, the former operating up to equivalent three. phase test levels of 30 G.V.A. This paper describes the design, performance, characteristics and operating experiences for two types of specialised triggered switches incorporated in the Synthetic test circuits of the Reyrolle Short-Circuit Testing Station.