Optical waveguide arrangement for a high-voltage insulator

Details Optical waveguide arrangement for a high-voltage insulator Optical waveguide arrangement for a high-voltage insulator

H - Electricity

01

B

337/123, 88/97.1

H01B 17/00 (2006.01) G02B 6/44 (2006.01) H01H 33/42 (2006.01)

Patent

CA 1307413

103/86 ABSTRACT In a high-voltage-conducting assembly (10), such as, for example, the current transducer arrangement for a high- voltage outdoor installation, measurement information items are transmitted via optical waveguides from high-voltage potential to ground potential. To reduce the voltage gradi- ent along the optical waveguide, the latter is spirally conducted along an optical waveguide carrier (7) between the high-voltage side (9) and the ground potential side (5) of a high-voltage insulator (6). The optical waveguide support (7) can be a self-supporting plastic coil (7) or the outer layer of the insulator tube of fibre-glass-reinforced plastic of the high-voltage insulator (6) or its silicon layer applied on the outside or its silicon shield tape. In this arrangement, the surface leakage path of the optical wave- guide support is greater than 1.5-times, preferably greater than 5-times the height (h) of the high-voltage insulator (6). The optical waveguide can be wound at a steep pitch onto the coil or arranged in a U-shaped groove of the coil or in the hollow space of a hose-shaped coil. (Figure 1)

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