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H桥级联多电平逆变器相移SVPWM技术的研究 被引量：2

Research of Phase-Shifted SVPWM Based on H-Bridge Cascaded Multilevel Inverter
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摘要 载波相移SPWM调制法是级联型逆变器的主流控制方法,其等效载波频率高、谐波特性好、功率单元之间输出功率平衡。而空间矢量法谐波特性好、电压利用率高、控制方法简单便于数字实现。文中针对H桥级联型多电平逆变器的结构特点,综合采用载波移相SPWM法和空间矢量法,并用一种新的空间矢量算法取代传统的方法。该算法中无需三角函数和无理数计算,计算过程非常简单,节约了计算时间,结果更为准确。最后通过系统仿真验证该算法的正确性和有效性。 Phase-shifted PWM is specially for cascaded inverter.The carrier phase-shifted SPWM has high equivalent carrier frequency and low harmonic.And the output between power units is balanced,and it is easy for expansion.SVPWM has low harmonic and high voltage utilization.The control method is simple and easy for digital realization.Based on the configuration of H-bridge cascaded multilevel inverter,this paper combines SVPWM and carrier phase-shifted SPWM.A novel algorithm of SVPWM is proposed.It hasn＇t any trigonometric function and irrational number calculations,which simplifies the calculation process and leads the calculation results more accurate.Simulation verification is presented to confirm the capability of the novel algrithm.
作者 黄本润 夏立 吴正国
机构地区 海军工程大学电气与信息工程学院
出处 《通信电源技术》 2011年第3期21-24,共4页 Telecom Power Technology
关键词 载波移相法 相移空间矢量法 级联多电平 carrier phase-shifted SPWM phase-shifted SVPWM cascaded inverter
分类号 TM464 [电气工程—电器]
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参考文献19

  • 1Leon M Tolbert, Thomas G Hahetler. Novel multilevel inverter carrier-based PWM method[J]. IEEE Trans. on Ind. Applicat. 1999, 35(5): 1098-1107.
  • 2吴洪洋,何湘宁.多电平载波PWM法与SVPWM法之间的本质联系及其应用[J].中国电机工程学报,2002,22(5):10-15. 被引量：122
  • 3H L Liu, G H Cho. Three-level space vector PWM in low index modulation region avoiding narrow pulse problem [J]. IEEE Trans. Power Electron. 1994,9:481-486.
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二级参考文献6

  • 1[1]Ahmet et al. Simple Analyticalnd Graphical Methods for Carrierbased PWM-VSI Drives[J]. IEEE Trans. on P. E. 1999, 14(1):49-61.
  • 2[2]Jurgen K. Sternke, Switching Frequency Optimal PWM Control of a Three-Level Inverter[J]. IEEE Trans. on P. E. 1996, 7(3): 487-496.
  • 3[3]Menzies R W et al. Five-Level GTO Inverters for Large Inductor Motor Drives[J]. IEEE Trans. on I. A, 1994, 30(4): 938-943.
  • 4[4]Giusepper Carrara et al. A New Multilevel PWM Method: A Theoretical Analysis[J]. IEEE Trans. on P. E. 1992, 7(3): 497-505.
  • 5[5]Vladimir Blasko. A Hybrid PWM Strategy Combining Modified Space Vector and Triangle Comparison Methods[C]. PESC'96,Baveho, (VB), Italy. 1996, 1872-1878.
  • 6[6]Lee Yo-Han et al. A Novel PWM Scheme for a Three-level Voltage Source Inverter with GTO Thyristors[J]. IEEE Trans. on I. A. 1996,32(2): 260-268.

共引文献121

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二级引证文献21

通信电源技术
2011年 第3期

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