Electric power conversion systems – Current conversion – Using semiconductor-type converter
Patent
1988-07-08
1989-08-08
Salce, Patrick R.
Electric power conversion systems
Current conversion
Using semiconductor-type converter
363 28, 363 58, H02M 7515
Patent
active
048558931
ABSTRACT:
Low-loss external wiring, for the switching-off relief of the semiconductor switching elements in a stage of a three-level inverter provides a switching-off relief capacitor which is connected to the stage output. Wiring capacitors are coupled to each of the upper and lower ends of the stage. The inverter also includes a diode network. Additional d-c consumers which are preferably either ohmic resistors or energy recovery devices take up energy which is interim-stored in the wiring capacitors.
REFERENCES:
patent: 4286317 (1981-08-01), Kommissari
patent: 4386396 (1983-05-01), Angquist
Peckman Kristine
Salce Patrick R.
Siemens Aktiengesellschaft
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