将单周控制技术用于级联多电平变换器提高其控制性能。
One cycle control technique is applied in cascaded multilevel converter to improve its performance.
围绕多电平变换器，新型电路拓扑及相关调制策略层出不穷。
Novel topologies and modulation strategies concerning multilevel converters are emerging continuously.
基于冗余思想，提出了一种具有自修复功能多电平变换器拓扑。
Based on redundancy, a multilevel converter topology with self-repair ability was proposed.
为了同时减小电感和输入电流与输入电压间的相位差，本文提出采用多电平变换器作为PFC变换器的拓扑。
To reduce the inductor and the phase displacement between the input current and the input voltage simultaneously, Multi-level (ML) converters are adopted as the PFC topologies in this thesis.
二极管箝位多电平变换器在控制功率的双向流动方面有优势，因而在中压变频调速领域和交流柔性供电系统中有着良好的应用前景。
Being advantageous in control of bidirectional power flow, diode-clamping multilevel converters are more and more concerned, researched and applied in medium-voltage motor driving and FACTS equipment.
根据单元级联多电平变换器拓扑结构及其脉宽调制技术的特点，以数字信号处理器和复杂可编程逻辑器件为核心，设计了多电平变换器的控制器。
On the basis of topology of cascaded multilevel convertor and its PWM technique, designed the controller of multilevel convertor at the core of DSP and CPLD.
分析了级联H桥型变换器的工况，讨论了载波带频率变化的PWM（VFCB-PWM）技术，提出了基于VFCB-PWM技术的级联H桥型多电平变换器。
The principle of cascade H-bridge converter is analyzed. Variable-Frequency Carrier Bands PWM(VFCB-PWM) technique is discussed. Cascade H-bridge converter based on VFCB-PWM technique is proposed.
本文最后搭建了一个基于多电平矢量发生的逆变实验系统，制作了一台用矢量发生器驱动的1.5KW的多电平变换器实验样机，在样机上得到了较为理想的波形。
An experiment prototype of 1.5kw three-level inverter has been manufactured, which is driven by "based on FPGA vector generator". We finally got ideal wave in this experiment system.
提出了一种新颖的多电平矩阵变换器，介绍了其拓扑结构、工作原理和空间矢量调制技术。
A novel multilevel matrix converter is proposed, and its topology configuration, operating principles and space vector modulation technique are introduced.
为解决开关器件在多电平高压功率变换器的驱动和保护问题，提出了一种光纤隔离的驱动保护电路。
The circuit isolated by optical fibre for transmitting drive signals and avoiding over current is proposed to solve drive and protection problems for transistors in high-voltage multi-level convertor.
为解决开关器件在多电平高压功率变换器的驱动和保护问题，提出了一种光纤隔离的驱动保护电路。
The circuit isolated by optical fibre for transmitting drive signals and avoiding over current is proposed to solve drive and protection problems for transistors in high-voltage multi-level convertor.
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