Fast Experimental Magnetic Model Identification for Synchronous Reluctance Motor Drives
- Authors
- Publication Date
- Mar 17, 2022
- Identifiers
- DOI: 10.3390/en15062207
- OAI: oai:mdpi.com:/1996-1073/15/6/2207/
- Source
- MDPI
- Keywords
- Language
- English
- License
- Green
- External links
Abstract
The accurate magnetic model is mandatory for high-performance control of high anisotropy synchronous machines. This paper presents a time-efficient and accurate magnetic model identification based on triangle current injection while the machine under the test is driven at a constant speed by a prime mover. The current injection pattern allows scanning the whole range of current, reducing the identification time compared to the standard constant-speed method (CSM) with the same level of accuracy. The ohmic voltage drop and inverter nonlinearities are compensated by using the average voltage of motor and generator modes. The synchronous reluctance machine is used as a case study for validation through the comparison between the experimental results obtained by the proposed method and the CSM against finite element simulation. Moreover, the temperature variation of the machine winding is measured showing no considerable changes during the identification test.