Electricity: electrical systems and devices – Electrostatic capacitors – Variable
Patent
1990-12-17
1991-10-01
Griffin, Donald A.
Electricity: electrical systems and devices
Electrostatic capacitors
Variable
361283, H01G 700, H01G 706
Patent
active
050539159
ABSTRACT:
The present invention relates to a capacitive sensor comprising two concentric capacitors having a common electrode, namely a high tension capacitor and an auxiliary capacitor, the sensor including two screens separating the two electrodes of the high tension capacitor, and these two screens leaving a gap between each other of constant size. The invention is applicable to metalclad stations.
REFERENCES:
patent: 4167770 (1979-09-01), Graybill
patent: 4873870 (1989-10-01), Delatorre
patent: 4947131 (1990-08-01), Mayer et al.
patent: 4954925 (1990-09-01), Bullis et al.
GEC Alsthom SA
Griffin Donald A.
Nguyen Le
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