Siemens Aktiengesellschaft

Epcos Ag

Winfried Voelkner

Juergen Boy

Peter Bobert

Wolfgang Daeumer

A spark gap includes two terminal electrodes enveloping a cavity. The cavity includes an electrical discharge space between the two terminal electrodes. The spark gap also includes an electrical insulator between the two terminal electrodes.

Spark-discharge gap for power system protection device

A gas-filled overvoltage arrester with an electrode activation compound. In order to ensure a high degree of adherence of the activation compound to the electrodes in a gas-filled hydrogen-containing overvoltage arrester, the activation compound comprises a first aluminum component, a second halide component, and a third dielectric or ferroelectric metal oxide component. These three components are present in the proportions of 50 to 70, 20 to 40, and 3 to 10 mol. %, respectively.

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Berlin, Germany

Winfried Voelkner