지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.12 No.4
- 발행연도
- 2017.7
- 수록면
- 1,471 - 1,483 (13page)
이용수
초록· 키워드
오류제보하기
The low-frequency characteristics of four-switch three-phase (FSTP) inverter are investigated in this paper. Firstly, a general space vector pulse width modulation (SVPWM) directly involved the neutral point voltage of DC-link is proposed, where no sector identifications and trigonometric function calculations are needed. Subsequently, to suppress the DC offset in the neutral point voltage, the relationship between the neutral point voltage and the β-axis component of the load current is derived, and then a new neutral point voltage control scheme is proposed where no low pass filter is adopted. Finally, the relationship between the load power factor and the maximum linear modulation index of the FSTP inverter is revealed. Since the operational region for the FSTP inverter in low frequency is reduced by the enlarged amplitude of the neutral point voltage, a linear modulation range enlargement scheme is proposed. A permanent magnet synchronous motor with preset rotary speed serves as the low-frequency load of the FSTP inverter. Experimental results verify that the new neutral point voltage control scheme is effective in the deviation suppression of the neutral point voltage, and the proposed scheme is able to provide a larger linear operational region in low frequency.
목차
Abstract
1. Introduction
2. General SVPWM Algorithm
3. DC Offset Suppression of Neutral Point Voltage
4. Linear Modulation Range Enlargement Scheme
5. Experiment verification
6. Conclusion
Reference
참고문헌 (25)
참고문헌 신청
H. W. Van Der Broeck and J. D. Van Wyk, “A Comparative Investigation of a Three-Phase Induction Machine Drive with a Component Minimized Voltage- Fed Inverter under Different Control Options,” IEEE Trans. Ind. Appl., vol. IA-20, no. 2, pp. 309-320, Mar. 1984.
M. Azab and A. L. Orille, “Novel flux and torque control of induction motor drive using four switch three phase inverter,” in The 27th Annu. Conf. IEEE Ind. Electron. Society, 2001. IECON '01. Denver, CO, 2001, pp. 1268-1273 vol.2.
S. Kazemlou and M. R. Zolghadri, “Direct torque control of four-switch three phase inverter fed induction motor using a modified SVM to com-pensate dclink voltage imbalance,” in Int. Conf. Electric Power and Energy Convers. Syst., 2009. EPECS '09. Sharjah, 2009, pp. 1-6.
B. El Badsi, B. Bouzidi and A. Masmoudi, “DTC Scheme for a Four-Switch Inverter-Fed Induction Motor Emulating the Six-Switch Inverter Operation,” IEEE Trans. Power Electron., vol. 28, no. 7, pp. 3528-3538, Jul. 2013.
D. Sun, Z. He, Y. He and Y. Guan, “Four-Switch Inverter Fed PMSM DTC with SVM approach for Fault Tolerant operation,” in 2007 IEEE Int. Electric Machines & Drives Conf., Antalya, 2007, pp. 295- 299.
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