Dual-mode inverter power supply

Details Dual-mode inverter power supply Dual-mode inverter power supply

1986-05-30

1987-10-13

Salce, Patrick R.

Electric power conversion systems

Current conversion

Using semiconductor-type converter

315102, 315DIG7, H02M 7537

Patent

active

047002875

ABSTRACT:
A full-bridge inverter comprises two pairs of switching transistors and is conditionally operable to self-oscillate in either of two modes: a first mode wherein one of the two pairs of switching transistors self-oscillates in manner of a half-bridge inverter and powers a first load, and a second mode wherein both pairs of transistors self-oscillate in manner of a full-bridge inverter and then powers a second load in addition to the first load.
Such a dual-mode inverter has utility in situations where a load has to be pre-conditioned with a relatively small amount of conditioning power (such as cathode heating power) before being ready to absorb its main operating power. Typical examples of such loads are magnetrons and fluorescent lamps.

REFERENCES:
patent: 4256992 (1981-03-01), Luursema
patent: 4408270 (1983-10-01), Anderson et al.
patent: 4438372 (1984-03-01), Zuchtriegel
patent: 4485434 (1984-11-01), Beeston et al.
patent: 4506318 (1985-03-01), Nilssen
patent: 4513364 (1985-04-01), Nilssen
patent: 4520255 (1985-05-01), Bredenlcamp et al.

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