Inverter comprising at least two controllable load thyristors

Details Inverter comprising at least two controllable load thyristors Inverter comprising at least two controllable load thyristors

1978-09-18

1980-03-04

Shoop, William M.

Electric power conversion systems

Current conversion

Using semiconductor-type converter

363138, H02M 7515

Patent

active

041919939

ABSTRACT:
The disclosure relates to an inverter comprising at least two controllable load thyristors which connect a load alternately with the poles of a feed d.c. voltage source. There is connected in parallel with each load thyristor one diode each which is a component of a commutation installation. The commutation installation manifests an LC-series oscillatory circuit dimensioned for a specified load current, and, manifests, for each load thyristor a controllable commutation thyristor which forms a closed circuit with the LC-series oscillatory circuit and its diode. The LC-series oscillatory circuit is connected to an auxiliary d.c. voltage source of a constant voltage via a reloading circuit.

REFERENCES:
patent: Re27193 (1971-10-01), Risberg
patent: 3207974 (1965-09-01), McMurray
patent: 3710215 (1973-01-01), Johnston
patent: 3781645 (1973-12-01), Grom et al.
patent: 3928794 (1975-12-01), Broms et al.

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