High-voltage switchgear

Contribution of research to the development of circuit-breakers / K. Ragaller.- Outdoor high-voltage SF6 circuit-breakers type ELF for medium breaking capacity / R. Stelzer, a. Rappange, O. Gaupp.- Outdoor airblast circuit-breakers type DLF for up to 1000 kV, for extremely high breaking capacity and meeting special requirement / E. Brass, H. Schubert, T. T. Tan.- 420 kV SF6 gas-insulated cable for mapragg power station / H. P. Szente-Varga, K. Loessel and W. Schmidt.- Modern arrester for EHV and UHV networks / U. Burger, R. Rudolph.- Process control systems in hydro-electric power stations / H. Cvetko.- The 400/230 kV outdoor substations of the Karun project in Iran / H. Besel, R. Vogt.- Quality assurance in switchgear manufacture / M. Emmenegger.- Testing facilities for high-voltage equipment at the Oerlikon works in Zurich / H. Erni, R. Wetzel.