多电平变换器是电力电子研究领域的核心技术之一。
Multilevel converter is the key technology in the research of power electronics.
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.
分析了一种新颖的零电压零电流(ZVZCS)开关之电平变换器，以及功率晶体管的驱动电路。
A novel zero-voltage and zero-current switching (ZVZCS) three-level converter, and the drive circuit of the transistor were analyzed.
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.
提出了一种新颖的移相控制零电压开关三电平变换器，分析了该变换器的工作原理，并给出了移相控制电路和驱动电路。
This paper proposes a novel phase-shifted zero-voltage-switch three-level converter. The operation principle of this converter is analyzed, and its phase-shifted circuit and drive circuit are given.
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.
与基本ZVS三电平变换器相比，该变换器具有辅助网络简单、实现零电压范围宽、副边无电压过冲和占空比丢失以及控制方式灵活等优点。
It has many remarkable advantages such as simple auxiliary circuit, realizing ZVS in the wide load range, no voltage spike and surge of the transformer secondary side and easy to be controlled.
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.
高低电平在瞬间的变换是很正常的，如果没有这条语句，系统很容易出错。
High level in the instant transformation is very normal, if not this statement, the system is very easy to make a mistake.
近年来，多电平功率变换技术因其在高压大功率应用场合的广阔前景，已成为电力电子领域的研究热点。
In recent years, multilevel power conversion technology has been becoming hot point in power electronic research due to extensive outlook in high power application.
对于大功率的GTO逆变器，提出了一种零电压转换(ZVS)的三电平辅助谐振变换极逆变器(ARCPI)。
A zero-voltage-switching (ZVS) three-level auxiliary resonant commutated pole inverter (ARCPI) is presented for high power GTO ones.
该文采用小波矩量法求解导电平面上的三维腔体散射，利用小波变换稀疏化矩量矩阵，加速其求逆，减少了腔体散射的总体计算时间。
Scattering from three-dimensional cavities is solved using the wavelet-MoM method, while the moment matrix is sparsified with help of the wavelet transform.
本文提出了一种新型的零电压零电流开关pwm推挽三电平直流变换器，其中开关管的电压应力为输入电压。
This paper presents a novel zero voltage and zero current switching (ZCS) PWM push pull three level converter in which the voltage stress of switches is input voltage.
提出了一种新型的零电压开关全桥三电平直流变换器。
This paper presents a novel zero voltage switching full bridge three level converter.
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.
从三电平矩阵式电力变换器的拓扑结构入手，分析在高频下工作时开关损耗带来的负面效应。
Adverse effects of switching losses which operating at high frequency are analyzed at the beginning of a three-level matrix power converter configuration.
预处理包括片分割、直流电平平移和分量变换。
Preprocessing includes tiling, DC level shifting and component transformation.
为了实现船载天线与同步通讯卫星的通讯，根据坐标变换原理和实际使用要求，提出了数引闭环、电平开环的跟踪方法。
In order to achieve the communication between the ship board antenna and the synchronous communication satellite, a method by the digital guiding closed loop and level open loop tracker is presented.
将三电平技术应用到双向DC/DC装置中，可以提高混合动力汽车驱动系统中双向DC/DC装置的开关频率，为此提出了一种新的三电平双向DC/DC变换器拓扑。
To improve the switch frequency of the bidirectional DC/DC converters in Hybrid Electrical Vehicle(HEV), a novel three-level topology of the bidirectional DC/DC converter is presented in this paper.
最后，本文还提出了另外几种零电压零电流开关PWM推挽三电平直流变换器。
Several zero voltage and zero current switching PWM push pull three level converters are proposed.
基于三电平技术并结合脉冲变压器设计了一个脉冲变换器，并将其用于非热处理灭菌过程。
An impulse converter based on the three-level technology was discussed, which used the up to date power electronic technology and the traditional impulse transformer technology.
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.
主要论述了基于四电平功率变换电路的开关磁阻电机直接瞬时转矩控制。
In this paper, a direct instantaneous torque control (DITC) of switched reluctance motor (SRM) with a four-level converter is presented.
近年来，多电平逆变器在高压大容量电能变换及交流电机调速中得到广泛应用。
Recent years, multilevel inverter has been applied widely in the large-capacity electrical energy transformation of high-voltage and ac speed adjustable system.
最后，通过仿真分析和对50V/20A样机的调试实验，验证了零电压零电流移相控制PWM三电平直流变换器的工作原理。
Finally, the operation principle of Zero-voltage and Zero-current-switching PWM three-level converter is validated by the simulation analyze and the debugging experiment of 50V/20A sample device.
最后，通过仿真分析和对50V/20A样机的调试实验，验证了零电压零电流移相控制PWM三电平直流变换器的工作原理。
Finally, the operation principle of Zero-voltage and Zero-current-switching PWM three-level converter is validated by the simulation analyze and the debugging experiment of 50V/20A sample device.
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