Electric power conversion systems – Phase conversion without intermediate conversion to d.c. – By passive phase shift elements
Patent
1977-04-01
1979-02-06
Shoop, William M.
Electric power conversion systems
Phase conversion without intermediate conversion to d.c.
By passive phase shift elements
328155, 307262, H02M 500
Patent
active
041387171
ABSTRACT:
This phase converter utilizing a reference alternating voltage and producing a phase displaced voltage of same frequency having a common point with the reference voltage comprises a first summation and rectifying unit receiving at a first input the reference voltage and at a second input the phase displaced voltage a second summation and rectifying device receiving a first input the reference voltage and at a second input the phase-displaced voltage a second inverter being switched in at one of said inputs of said second summation and rectifying device both summation and rectifying devices having each an output connected to one input of a summation and filtration device receiving at another input a reference voltage a third inverter being switched in at the output of one of said summation and rectifying devices and said summation and filtration device having an output connected to a control terminal of a field effect transistor.
REFERENCES:
patent: 3267358 (1966-08-01), Anderson
patent: 3436647 (1969-04-01), Gobeli et al.
patent: 3482116 (1969-12-01), James
patent: 3597639 (1971-08-01), Harwood
patent: 3753126 (1973-08-01), Hines et al.
Shoop William M.
Societe Chauvin Arnoux
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