Isolated adjustable frequency AC inverter control
US5045988A · kind A · utility
263Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 31, 1990 |
| Grant date | Sep 3, 1991 |
| Priority date | — |
| Expiry date | Jul 31, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M7/53873
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.