Phase control for a multiple phase SCR chopper

Details Phase control for a multiple phase SCR chopper Phase control for a multiple phase SCR chopper

1981-08-12

1982-12-28

Beha, Jr., William H.

Electric power conversion systems

Current conversion

Including automatic or integral protection means

318139, 318345G, 363124, H02M 3135

Patent

active

043665314

ABSTRACT:
A multiple phase SCR chopper controller for establishing a normal phase relationship among the various SCR phases and for modifying the normal phase relationship for input signals for which the SCR commutation networks cannot be sufficiently charged. These input signals correspond to conduction period overlap, and the modified phase relationship avoids chopper commutation failure under such conditions.

REFERENCES:
patent: 3351841 (1967-11-01), Lipman et al.
patent: 3944856 (1976-03-01), Horie
patent: 3958173 (1976-05-01), Christianson et al.
patent: 4090115 (1978-05-01), Franz
patent: 4161010 (1979-07-01), Mann et al.
patent: 4284938 (1981-08-01), Bailey

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