H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/228
H01H 31/00 (2006.01) H02B 13/075 (2006.01)
Patent
CA 1329234
(Translation) Metal-enclosed, pressurized gas-insulated high-voltage switching installation with insulated grounding switch Abstract: 1. A metal-enclosed, pressurized gas-insulated high- voltage switching installation with an insulated grounding switch. 2.1. Insulated grounding switches (3) are also used in pressurized gas-insulated high-voltage switching installations to apply test voltages. For this reason a ring (13) of insulating material is provided between the housing (6) and the enclosure (1), a conductor (14) with a connecting lug (15), which is in con- tact with the actuating bolt (5), being embedded in this ring. 2.2. To improve the insulation, the ring (13) of insu- lating material lies within a metal ring (12) which acts as a sup- porting ring and accommodates the fastening means (9). It is in- terrupted only by the connecting lug (15) which is provided with a covering (17) of insulating material. The ring (13) of insulating material is to a large extent thus relieved of mechanical stress. 2.3. Insulated grounding switched are used in metal- enclosed high-voltage switching installations insulated with SF6 pressurized gas. Fig. 1
595828
Funk Karl-Heinz
Haarhuis Jurgen
Lorenz Dieter
Aktiengesellschaft Siemens
Fetherstonhaugh & Co.
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