Inverter with charging regulator having a variable keying ratio

Details Inverter with charging regulator having a variable keying ratio Inverter with charging regulator having a variable keying ratio

1983-02-07

1984-11-06

Wong, Peter S.

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

323222, 363 89, 363 37, 315208, 315DIG7, H02P 1316, H05B 4129

Patent

active

044814607

ABSTRACT:
An inverter with a dc-source has a charging condenser connected through a charging diode and a charging inductor to the dc-supply. A charging switch is periodically closed by a control component with a variable keying ratio to connect the charging inductor to the dc-supply. The inverter includes an AC voltage converter with two alternatingly controlled switches supplied with power by the charging condenser, hereinbelow identified as the primary switch and the secondary switch, which are in a series circuit in parallel with the charging condenser. In this arrangement, the control component for the charging switch of the charging regulator is synchronized with a square wave voltage at one of the switches of the alternating voltage converter. The charging switch operates at the same switching frequency as the alternating voltage converter. When the square-wave voltage at a switch of the alternating voltage converter terminates during a non-oscillating condition of the alternating voltage converter, then the charging switch of the charging regulator also remains open. At a disruption, there need, accordingly, only be deactivated the inverter.

REFERENCES:
patent: 4188661 (1980-02-01), Bower et al.
patent: 4251752 (1981-02-01), Stolz
patent: 4392085 (1983-07-01), Knoll et al.

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