반도체디스플레이기술학회지 (Journal of the Semiconductor & Display Technology)

한국반도체디스플레이기술학회 (The Korean Society Of Semiconductor & Display Technology)
권호 표지

3상 3레벨 인버터의 중성점 제어를 이용한 고조파 왜율 저감 효과

The effect of Harmonic Distortion Reduction on Three Phase Three level Inverter Using Neutral Point Control

  • 김정규 (청주대학교 반도체공학과) ;
  • 양오 (청주대학교 반도체공학과)
  • Kim, Jeong Gyu (Semiconductor Engineering of CheongJu University) ;
  • Yang, Oh (Semiconductor Engineering of CheongJu University)
  • 투고 : 2018.09.13
  • 심사 : 2018.09.19
  • 발행 : 2018.09.30
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초록

In this paper, we applied a three-level T-type inverter with the one more voltage level than two-level inverter. However, the three-level T-type inverter has a systematic problem with voltage unbalances. So neutral point control is essential. Therefore, the voltage unbalance problem of the three - phase inverter was confirmed to be controlled within 5V using the neutral point control algorithm in charge and discharge mode. In addition, total harmonic distortion was reduced in three phases (u phase, v phase, w phase) when neutral point control was performed in charging mode and also in three phases (u phase, v phase, w phase) in discharge mode. In this paper suggests a neutral point control algorithm to solve the voltage unbalance of a three-level T-type inverter, and shows the improvement of the performance of the proposed algorithm through experiment.

키워드

참고문헌

  1. F. Blaabjerg, R. Teodorescu, and Z. Chen, "Power electronics in renewable energy systems," EPE-PEMC 2006. 12th International Power Electronics and Motion Control Conference, pp. 1-17, 2006.
  2. B. K. Bose, "Power Electronics, Smart Grid, and Renewable Energy Systems," in Proceedings of the IEEE, vol. 105, no. 11, pp. 2011-2018, Nov. 2017. https://doi.org/10.1109/JPROC.2017.2745621
  3. R. Agrawal and S. Jain, "Multilevel inverter for interfacing renewable energy sources with low/mediumand high-voltage grids," in IET Renewable Power Generation, vol. 11, no. 14, pp. 1822-1831, Dec. 2017. https://doi.org/10.1049/iet-rpg.2016.1034
  4. A. Lewicki, Z. Krzeminski, and H. Abu-Rub, "Space-Vector Pulse width Modulation for Three-Level NPC Converter With the Neutral Point Voltage Control," IEEE Trans. Ind. Electron., vol.58, no. 11, pp. 5076-5086, Nov. 2011. https://doi.org/10.1109/TIE.2011.2119453
  5. A. Bendre, G. Venkataramanan, D. Rosene, and V. Srinivasan, "Modeling and design of a neutral-point voltage regulator for a three-level diode clamped inverter using multiple-carrier modulation," IEEE Trans. Ind. Electron., vol. 53, no. 3, pp. 718-726, Jun. 2006. https://doi.org/10.1109/TIE.2006.874424
  6. K. K. Tan, G. Feng, P. C. Loh, and B. Frede, "Enhanced buck-boost neutral-point-clamped Inverters With Simple Capacitive-Voltage Balancing", IEEE Trans. Ind. Appl., vol. 46, no. 3, pp.1021-1033, May/June 2010. https://doi.org/10.1109/TIA.2010.2045215
  7. Ju ha kim, "Neutral-Point Voltage Balancing Control of Carrier-Based PWM Scheme for Bi-directional 3-Level T-type Inverter", Master Thesis, Seoul national university of science and technology, August. 2014.
  8. Hyun hee lee, "Neutral-point voltage control for the 3-level inverter in a motor driver for reliability", Master Thesis, Ajou university, Nov. 2012.
  9. Wikipedia, "Total harmonic distortion", https://en.wikipedia.org/wiki/Total_harmonic_distortion, Sep. 2018.
  10. Min ho Kwon, Joo ha Kim, Se wan Choi, "Neutral point voltage balancing control method of carrier based PWM scheme for Bi-directional three-level inverter," Power Electronics Annual Conference, pp. 211-212, 2014.