Abstract
A dual-plane vector scheme with an additional pair of harmonic current controllers was proposed to restrain harmonic currents caused by dead-time effect of voltage source inverter (VSI) and the dis-sinusoidal EMF of five-phase permanent magnet synchronous motor (FPMSM). The low-order harmonic voltage generated by dead-time effect was researched. Using extended symmetrical component transformation, the mathematic model under rotating coordinate of FPMSM was deduced. The third harmonic voltage would cause large magnitude of harmonic current for the low impedance of third harmonic sub-space, so an additional pair of harmonic current controllers was introduced to compensate them. The whole arithmetic is implemented in a single FPGA chip, experimental results demonstrate the proposed compensation method can effectively restrain harmonic current generated by dead-time effect of VSI and dis-sinusoidal EMF.
| Original language | English |
|---|---|
| Pages (from-to) | 71-76 |
| Number of pages | 6 |
| Journal | Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering |
| Volume | 31 |
| Issue number | 12 |
| State | Published - 25 Apr 2011 |
| Externally published | Yes |
Keywords
- Dead-time effect
- Five-phase permanent magnet synchronous motor (FPMSM)
- Harmonic analysis
- Synchronous rotating reference coordinates
- Voltage source inverter (VSI)
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