Hybrid Pulse Width Modulation Strategy for Wide Speed Range in IPMSM with Low Cost Drivesopen access
- Authors
- Ahn, Han-woong; Go, Sung-chul; Lee, Ju
- Issue Date
- May-2016
- Publisher
- KOREAN INST ELECTR ENG
- Keywords
- Hybrid pulse width modulation; Quasi-six-step modulation; Voltage utility maximization; Field weakening; Low cost IPMSM drive
- Citation
- JOURNAL OF ELECTRICAL ENGINEERING & TECHNOLOGY, v.11, no.3, pp.670 - 674
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- JOURNAL OF ELECTRICAL ENGINEERING & TECHNOLOGY
- Volume
- 11
- Number
- 3
- Start Page
- 670
- End Page
- 674
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/154726
- DOI
- 10.5370/JEET.2016.11.3.670
- ISSN
- 1975-0102
- Abstract
- The control performance of hybrid PWM inverter using a phase current measurement is presented in this paper. The hybrid PWM technique consists of space vector pulse width modulation (SVPWM) and six-step voltage control operation. The SVPWM is performed to reduce the harmonic components in the low speed region, and the six-step modulation is applied to increase the maximum speed of the IPMSM in the high speed region. Therefore, it is possible to obtain a great performance in both the low speed range and high speed range. However, the six-step modulation cannot be completely implemented, since the inverter that includes the lag-shunt sensing method has an immeasurable current region. In this paper, a quasi-six-step modulation using a modified voltage vector is proposed. The validity and usefulness of the proposed PWM technique is verified by MATLAB/Simulink and experimental results.
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