DC to AC inverter and method for producing three phases from two

Details DC to AC inverter and method for producing three phases from two DC to AC inverter and method for producing three phases from two

1989-12-19

1991-07-30

Stephan, Steven L.

Electric power conversion systems

Cascaded or combined, diverse conversions in which the...

Current and phase

363154, H02M 506

Patent

active

050364480

ABSTRACT:
A three phase inverter (10) in accordance with the invention includes a first phase inverter (12) producing a first phase AC output voltage from a DC power supply; a second phase inverter (14) producing a second phase AC output voltage which is displaced nominally 120.degree. from the first phase from the DC power supply; and a vector adding circuit (32), responsive to the first and second phases, for vectorially adding voltages proportional to output voltages from the first and second phases to produce a resultant voltage which is inverted to produce a third phase having an output voltage which is displaced nominally 120.degree. from the output voltages produced by the first and second phases.

REFERENCES:
patent: 3278825 (1966-10-01), Haas, Jr.
patent: 3295044 (1966-12-01), Pledger et al.
patent: 3354376 (1967-11-01), Corey et al.
patent: 4106089 (1978-08-01), Fettinger
patent: 4249235 (1981-02-01), Immler
patent: 4618809 (1986-10-01), Maeda
patent: 4644241 (1987-02-01), Maeda

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