Self-protected low voltage capacitor

Details Self-protected low voltage capacitor Self-protected low voltage capacitor

1988-05-17

1989-06-06

Griffin, Donald A.

Electricity: electrical systems and devices

Electrostatic capacitors

With protection or compensating means

H01G 440

Patent

active

048376604

ABSTRACT:
Low voltage power capacitor of the self-healing type, wherein each capacitor cell is fitted with individual protection, enabling the cell to be disconnected in all cases of faults which are liable to occur. The cell coil is electrically connected in series to a fuse housed in a chamber arranged in the sealing cover of the casing housing the coil. Protection against overpressures inside the casing is provided by a membrane, deformation of which actuates a short-circuiting contact. The clean short-circuit, generated by closing of the short-circuiting contact, causes the fuse to blow and the faulty cell to be disconnected.

REFERENCES:
patent: 3473088 (1969-10-01), Ernst
patent: 4577257 (1986-03-01), Erhardt et al.

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