Isolated adjustable frequency AC inverter control

Details Isolated adjustable frequency AC inverter control Isolated adjustable frequency AC inverter control

1990-07-31

1991-09-03

Wong, Peter S.

Electric power conversion systems

Current conversion

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

363 37, 363 98, 363132, 307 74, 307 75, 318803, 318804, 318805, H02M 3335

Patent

active

050459880

ABSTRACT:
The control for an AC inverter includes a low voltage microcontroller referenced to ground potential and a waveform generator coupled to the microcontroller through a serial data link including optical isolation devices. The waveform generator floats at the negative bus potential of the DC source for the inverter. The waveform generator produces switching signals for the inverter under control of the microcomputer. The waveform generator, serial communications circuitry and other support circuits are all part of a single application specific integrated circuit.

REFERENCES:
patent: 4871743 (1990-01-01), May et al.
patent: 4933825 (1990-07-01), Allington et al.

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