Tuned switched-mode power supply

Details Tuned switched-mode power supply Tuned switched-mode power supply

1979-03-23

1981-06-30

Shoop, William M.

Electric power conversion systems

Current conversion

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

363 41, 363 97, 323288, H02M 3335

Patent

active

042765862

ABSTRACT:
A tuned switched-mode power supply for producing a stabilized d.c. output voltage by controlling the duration of the conducting period of a bidirectional switch as a function of the output voltage. The drive switching pulses for the switch are subjected to a pulse duration modulation control followed by a frequency control in such a way that the switch-off pulses have a substantially pre-determined time duration which is longer than half a cycle of the tuning frequency of the power supply.

REFERENCES:
patent: 3819992 (1974-06-01), Opal et al.
patent: 4031453 (1977-06-01), Teuling
patent: 4037271 (1977-07-01), Keller
patent: 4079294 (1978-03-01), Teuling
patent: 4087850 (1978-05-01), Kolzumi

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