Variable speed constant frequency power system with boost conver

Details Variable speed constant frequency power system with boost conver Variable speed constant frequency power system with boost conver

1987-10-23

1988-08-02

Wong, Peter S.

Electric power conversion systems

Current conversion

Including automatic or integral protection means

363 37, 363 35, 307 82, 307 86, H02H 700

Patent

active

047617268

ABSTRACT:
A DC link variable speed constant frequency power system is provided with a voltage boost circuit connected to receive voltage from a pair of DC link conductors and to supply voltage to an auxiliary supply bus. During normal system operation, the voltage boost circuit transfers the DC link voltage to the auxiliary supply bus. When a system fault occurs, such that the DC link voltage is reduced, the voltage boost circuit is activated to boost the reduced DC link voltage level and supply that boosted voltage level to the auxiliary supply bus.

REFERENCES:
patent: 3986100 (1976-10-01), Bierholm et al.
patent: 4340931 (1982-07-01), Endo et al.
patent: 4454930 (1984-06-01), Nomura et al.
patent: 4533986 (1985-08-01), Jones
patent: 4545464 (1985-10-01), Nomura
patent: 4554501 (1985-11-01), Baker
patent: 4574341 (1986-03-01), Hellegaard et al.
patent: 4670827 (1987-06-01), Schneider

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