Pulse width modulation (PWM) rectifier with variable switching frequency
US7190143B2 · kind B2 · utility
72Cited by
74References
20Claims
0Family size
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Key dates
| Filing date | May 27, 2005 |
| Grant date | Mar 13, 2007 |
| Priority date | — |
| Expiry date | May 27, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M7/219
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method for controlling a device including a plurality of switching devices operated in accordance with a pulse width modulation technique includes receiving a reference voltage signal associated with a first pair of the switching devices. A switching signal is generated. The first pair of switching devices are controlled based on the reference voltage signal and the switching signal in accordance with the pulse width modulation technique. A frequency of the switching signal is varied based on the value of the reference voltage signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.