Electric power conversion systems – Frequency conversion without intermediate conversion to d.c. – By induction-type converter
Patent
1976-12-23
1977-10-11
Shoop, William M.
Electric power conversion systems
Frequency conversion without intermediate conversion to d.c.
By induction-type converter
336160, H02M 516
Patent
active
040538222
ABSTRACT:
A static electromagnetic frequency changer utilizes linear inductances and capacitances and a saturable reactance to generate subharmonic frequencies. The magnetic components of the circuit are designed to be combined on a single magnetic structure. The frequency changer is rendered relatively insensitive to slight changes in the frequency and amplitude of the driving signal through the inclusion of a feedback winding.
REFERENCES:
patent: 2377180 (1945-05-01), Pohm
patent: 2600560 (1952-06-01), McMahon
patent: 2694177 (1954-11-01), Sola
patent: 2870398 (1959-01-01), Sola
patent: 2930997 (1960-03-01), Fisher et al.
patent: 3048765 (1962-08-01), Weppler
patent: 3387203 (1968-06-01), Munnelly
patent: 3447068 (1969-05-01), Hart
Tillinger Herman Irving
Walk Ralph
Bell Telephone Laboratories Incorporated
Shoop William M.
Steinmetz Alfred G.
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