Inverter

Details Inverter Inverter

1985-04-08

1987-12-01

Salce, Patrick R.

Electric power conversion systems

Current conversion

Including automatic or integral protection means

363 27, H02H 7122

Patent

active

047108622

ABSTRACT:
An inverter comprises a pair of reactors connected in series between a positive arm element and a negative arm element, snubbers each connected in parallel to respective arm elements, and a feedback circuit for transferring electrical energy stored in the snubbers back to the d.c. power source. The feedback circuit includes a self turn-off switching device which is controlled to become conductive during a certain period in correspondence to the on-off operation of the arm elements so that energy stored in the snubbers is fed back to the d.c. power source through a current transformer and a rectifying circuit during the on-state of the device.

REFERENCES:
patent: 4336587 (1982-06-01), Boettcher, Jr. et al.
patent: 4611267 (1986-09-01), McMurray

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