Inverter apparatus

Details Inverter apparatus Inverter apparatus

1978-10-20

1980-12-09

Shoop, William M.

Electric power conversion systems

Current conversion

Using semiconductor-type converter

363 96, H02M 106

Patent

active

042388236

ABSTRACT:
The inverter comprises a plurality of branch circuits connected across a DC source. Each branch circuit includes a pair of main controlled semiconductor switching elements, a diode and a smoothing reactor which are connected between the pair of main controlled semiconductor switching elements. A commutating circuit including a commutating capacitor, a commutating reactor and an auxiliary reverse conduction type controlled semiconductor switching element is connected in parallel with each main controlled semiconductor switching element. A pair of circulating diodes are provided for each branch circuit and connected between respective commutating capacitors thereof and the positive and negative sides of the DC source.

REFERENCES:
patent: 3465233 (1969-09-01), Johnston et al.
patent: 3688182 (1972-08-01), Johnson
patent: 3766468 (1973-10-01), Cardwell, Jr.
patent: 3984751 (1976-10-01), Iwata et al.
patent: 4032831 (1977-06-01), Nabae et al.

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