Inverter driven compressor operation method and compressor drive device
US8182245B2 · kind B2 · utility
15Cited by
3References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 7, 2008 |
| Grant date | May 22, 2012 |
| Priority date | — |
| Expiry date | Dec 9, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B30/70
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A boot capacitor that functions as an operating power supply for a high-arm-side transistor provided in an inverter has to be charged prior to normal operation of a motor. This operation of charging the boot capacitor is performed at a carrier frequency that is lower than a carrier frequency for the normal operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.