G - Physics – 01 – R
Patent
G - Physics
01
R
324/29
G01R 19/00 (2006.01) G01R 15/14 (2006.01) G01R 15/22 (2006.01)
Patent
CA 1130379
ABSTRACT In an arrangement for potential-free measurement of currents or voltages in high-tension installations, having a transformer at a high- voltage potential, through which the magnitude to be measured is picked up, the measurement information being passed, with an optical transmitter, from a high to a low voltage potential. The said transformer and or transmitter are fed from an auxiliary power source. According to the invention, the auxiliary power source is in the form of a battery adapted to be charged while the installation is in operation.
331217
Fetherstonhaugh & Co.
Licentia Patent-Verwaltungs-Gmbh
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