Hybrid power system

Details Hybrid power system Hybrid power system

1989-12-20

1991-07-09

Wong, Peter S.

Electric power conversion systems

Current conversion

Including an a.c.-d.c.-a.c. converter

363 43, 363 71, 363 97, 322 28, H02M 3335

Patent

active

050310860

ABSTRACT:
A hybrid power system which converts variable-frequency power developed by a brushless generator into DC power which is supplied to a DC load and constant-frequency AC power which is supplied to an AC load includes an AC/DC converter coupled to a main generator portion armature winding of the generator which converts the variable-frequency power produced by the generator into the DC power and a DC/AC converter coupled to the AC/DC converter which converts the DC power into the constant-frequency AC power. A first regulator is coupled to an exciter portion field winding of the generator for supplying current thereto in dependence upon a parameter of the DC power to maintain such parameter substantially at a regulated DC value. A second regulator is coupled to the DC/AC converter for controlling same in accordance with a parameter of the constant-frequency AC power to maintain such parameter substantially at a regulated AC value.

REFERENCES:
patent: 3374414 (1968-03-01), Garnett
patent: 3477010 (1969-11-01), Ve Nard
patent: 3775662 (1973-11-01), Compoly et al.
patent: 4063143 (1977-12-01), Forstbauer
patent: 4494179 (1986-01-01), Inokuchi et al.
patent: 4599687 (1986-07-01), Smith
patent: 4666020 (1987-05-01), Watanabe
patent: 4761726 (1988-08-01), Brown
patent: 4870557 (1989-09-01), Stacey
Article entitled "Which DC/AC Inverter" appearing in Electronic Design, Dec. 6, 1974, by George A. O'Sullivan.

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