CAJ | 학술논문

电容电压的平衡是模块化多电平换流器正常运行的前提，是所有控制算法必须考虑的基本问题。介绍模块化多电平换流器的基本运行原理，研究了载波移相在模块化多电平中的应用。为抑制电容电压的不平衡，设计了电容电压均衡控制器，最后在MATLAB/Simulink中搭建了仿真模型，仿真结果表明设计的控制器能较好地稳定电容电压。
전용전압적평형시모괴화다전평환류기정상운행적전제，시소유공제산법필수고필적기본문제。개소모괴화다전평환류기적기본운행원리，연구료재파이상재모괴화다전평중적응용。위억제전용전압적불평형，설계료전용전압균형공제기，최후재MATLAB/Simulink중탑건료방진모형，방진결과표명설계적공제기능교호지은정전용전압。
Capacitor voltage balancing is the premise for modular multi-level converter’s normal operation, which is a fundamental issue for all control algorithms. This paper describes the basic operating principles of modular multilevel converter and researches carrier phase shift in the modular multi-level application. To suppress the ca-pacitor voltage imbalance, the paper designs the capacitor voltage balancing controller, building a simulation mod-el in the MATLAB/Simulink. The results indicate that the designed controller can stabilize the capacitor voltage well.