Apparatus, system and method of fault diagnosis for permanent magnet motor
US10374532B2 · kind B2 · utility
1Cited by
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9Claims
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Key dates
| Filing date | Jul 26, 2017 |
| Grant date | Aug 6, 2019 |
| Priority date | — |
| Expiry date | Sep 28, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P6/18
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed are an apparatus, system and method for detecting, based on a mathematical model, a fault of a permanent magnet motor driven by a square wave. A fault diagnosis apparatus for the permanent magnet motor includes a current voltage measurement unit, a phase shift time calculation unit, and a control unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.