Electricity: motive power systems – Having plural – diverse or diversely controlled sources – A.c. and d.c.
Patent
1975-06-06
1978-05-09
Dobeck, B.
Electricity: motive power systems
Having plural, diverse or diversely controlled sources
A.c. and d.c.
318507, 363142, H02M 700
Patent
active
040889378
ABSTRACT:
Four thyristors are interconnected into an AC bridge circuit. With an AC source connected across inputs to the bridge circuit, a DC motor is connected across outputs of the bridge circuit while the thyristors are operated in the phase control mode to control the power supply to the motor from the AC source. In the absence of the AC source the DC motor is serially connected to a battery across the outputs of the bridge circuit with the thyristors operated in the chopping control mode. Also, in the presence of the AC source, a rectifier bridge including thyristors and diodes can be connected across the battery to exclusively charge it from the AC source.
REFERENCES:
patent: 3262037 (1966-07-01), McCabe et al.
patent: 3321685 (1967-05-01), Johannes
patent: 3781645 (1973-12-01), Grom
patent: 3940680 (1976-02-01), Tadokoro et al.
Kitano Mitsuru
Morimoto Yoshinobu
Uchida Ryohei
Adams Bruce L.
Burns Robert E.
Dobeck B.
Lobato Emmanuel J.
Mitsubishi Denki & Kabushiki Kaisha
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