High speed current limiting circuit interrupter

Details High speed current limiting circuit interrupter High speed current limiting circuit interrupter

1986-03-14

1987-03-24

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Arc suppression at switching point

335 91, 335147, 361 5, H02H 308, H01H 5134

Patent

active

046529624

ABSTRACT:
Synchronous circuit interruption is provided by operation of a diversion circuit for diverting most of the circuit current away from a pair of series-connected electrical contacts over to a solid state current interrupter prior to energizing a contact operator to separate the contacts to interrupt the remaining circuit current. To ensure arcless contact separation, the contact operator is arranged electrically in series with the solid state current interrupter which ultimately dissipates the system energy within a voltage dependent element. The arrangement of the contact operator circuit in series with the solid state current interrupter synchronizes the operation of the contact operator to ensure that the contacts are separated immediately after the circuit current has become diverted.

REFERENCES:
patent: 3002065 (1961-09-01), La Tour, Jr.
patent: 3215796 (1965-11-01), Leiji
patent: 4250531 (1981-02-01), Ahrens
patent: 4286301 (1981-08-01), Pham Van
patent: 4300181 (1981-11-01), Premerlani
patent: 4420784 (1983-12-01), Chen et al.
patent: 4459629 (1984-07-01), Titus
patent: 4463400 (1984-07-01), Paice et al.
patent: 4504773 (1985-03-01), Suzuki et al.

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