Electric power conversion systems – Current conversion – Having plural converters for single conversion
Patent
1985-10-25
1987-01-06
Wong, Peter S.
Electric power conversion systems
Current conversion
Having plural converters for single conversion
363126, 363144, H02M 708
Patent
active
046351795
ABSTRACT:
A physically integrated assembly of tow magnetically independent transformers and two semiconductor rectifiers, arranged to minimized leakage and parasitic lead inductances, and the resultant voltage dropout during current commutation from one transformer-rectifier to the other. In a suitable circuit this assembly produces a nearly pure DC output voltage, which requires a minimum amount of filtering. It is also possible, when a choke input filter is required in the output, to integrate the filter choke into the same physical assembly, using part of the existing tranformer core material. The choke is magnetically independent of the transformers.
REFERENCES:
patent: 3826967 (1974-07-01), Wilkinson et al.
patent: 3906336 (1975-09-01), De Puy
patent: 4317040 (1982-02-01), Wuerflein
ELDEC Corporation
Starratt Jeffrey
Wong Peter S.
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