Electricity: electrical systems and devices – Safety and protection of systems and devices – Capacitor protection
Patent
1988-10-13
1990-12-04
Jennings, Derek S.
Electricity: electrical systems and devices
Safety and protection of systems and devices
Capacitor protection
361 17, 361275, 320 1, H02H 716
Patent
active
049757962
ABSTRACT:
A device which enables a self-healing capacitor with more than one group of sections in series to undergo repetitive clearing without generating the resulting potential differences between the series sections which causes additional failures. In one embodiment, the device to conduct charge is a diode and resistor connected across each group of parallel sections so as to be nonconducting when the capacitor is charged but to become conducting when a clearing event occurs. An additional aspect of the device is a method for charging such a capacitor so that no section is overcharged.
REFERENCES:
patent: 3041501 (1962-06-01), Willits
patent: 3969655 (1976-07-01), Gertsch
patent: 4404622 (1983-09-01), Cherry
patent: 4530550 (1985-07-01), Kondo
patent: 4672289 (1987-06-01), Ghosh et al.
patent: 4703385 (1987-10-01), Stenstrom
Aerovox Incorporated
Jennings Derek S.
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