Current-limiting load cutout

Details Current-limiting load cutout Current-limiting load cutout

1988-10-24

1991-09-24

Jennings, Derek S.

Electricity: electrical systems and devices

Safety and protection of systems and devices

361 7, 361 10, 361102, 200144R, H02H 300

Patent

active

050518593

ABSTRACT:
A current-limiting load cutout includes at least one contact pair (1, 2) with one contact (3, 5) rigidly linked to electrodynamic current limiter (9, 10) that is electrically connected to controllable pulse current supply (17), and at least one emergency state sensor (12, 13, 14) kinematically linked to contact displacement and clamping assembly (11) which is kinematically linked to the other contact (4, 6) of contact pair (1, 2). The current-limiting load cutout is equipped with a pair of power terminals (20, 21, 22, 23) per each contact pair (1, 2) with one power terminal connected to the other contact (4, 6) of the contact pair (1, 2) and the other power terminal connected to contact (3, 5) which is rigidly linked to electrodynamic current limiter (9, 10) equipped with terminal (15, 16) to which a controllable pulse current supply (17) is connected via an emergency state sensor (12).

REFERENCES:
patent: 4258345 (1981-03-01), Malick

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