Switched-mode voltage converter

Details Switched-mode voltage converter Switched-mode voltage converter

1979-09-04

1982-10-05

Pellinen, A. D.

Electric power conversion systems

Current conversion

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

323299, 363 86, 363 97, H02M 3335

Patent

active

043531121

ABSTRACT:
A switched-mode converter produces a periodic square-wave signal whose amplitude depends on the input d.c. voltage. This signal is applied to an inductive network. A rectifier and a smoothing capacitor are coupled to this network with the output d.c. voltage being present across the capacitor. The frequency of the square-wave signal is controlled in dependence on the input voltage, namely so that it is directly proportional thereto or that the period decreases at a greater rate than the input voltage increases. A further control, for example, a series control, can be used to regulate the output voltage.

REFERENCES:
patent: 2999972 (1961-09-01), Stroman
patent: 3601680 (1971-08-01), Beckwith
patent: 3603863 (1971-09-01), Grossoehme
patent: 3737758 (1973-06-01), Allington
patent: 4037271 (1977-07-01), Keller
patent: 4079294 (1978-03-01), Teuling
patent: 4087850 (1978-05-01), Koizumi
patent: 4104714 (1978-08-01), Smith et al.
Dangschat et al., "Ein Sperrwandler-Netz Modul, Mit Netztrennung", Funkschau, vol. 47, No. 5, pp. 40-43, Feb. 28, 1975, S57430154e.

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