同时提出三电平整流电路的数学模型。
It also constructs the math model of the three-level rectifying circuit.
对三电平电路、MOS管并联等进行了研究。
A study was carried out on three-level circuit, MOS in parallel etc.
介绍一种基于控制因子的三电平空间矢量方法。
A new Space Vector Pulse Width Modulation (SVPWM) method based on control factor is proposed.
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.
高性能的控制系统决定了三电平pwm整流器的性能。
High-performance control system determines the three-level PWM rectifier performance.
本文研究开发了三电平变频调速样机并进行了大量实验。
This study develops a prototype of three-level frequency control and carries out a large number of experiments.
中点电位平衡问题是三电平npc逆变器的一个固有问题。
The neutral-point balancing is an inherent problem of the three-level NPC inverter.
提出了一种新型半桥电流源型串联谐振零电流三电平逆变器。
A novel current mode series-resonant ZCS three-level half bridge inverter is proposed.
近年来，在电气传动领域中三电平变频器得到了广泛的应用。
In recent years, the development of the three-level inverter has been widely used in the electrical drives area.
文章简要叙述了三电平PWM变频调速方式的基本控制原理。
This article briefly introduces the basic control principle of the three-potential PWM variable frequency speed regulation.
电网输入电压三相不平衡会严重影响三电平PWM整流器的性能。
The imbalanced three-phase grid voltage will seriously affect the three-level PWM rectifier performance.
最后，基于此三电平实验平台对所研究的内容进行了验证性实验。
Finally, based on this three-level platform experiments for the content of the research conducted the confirmatory test.
近年来在高压大功率领域三电平变频器的开发研究得到了广泛关注。
The development and research of tri-level inverter in the field of high-voltage and large-power have received much attention these years.
采用三电平拓扑的两电平输出模式，提高了加热效率，简化了控制方案。
For improving the efficiency and simplifying the control strategy, the paper USES the method of two level output in three level topology.
双pwm三电平异步电动机调速系统样机上的实验结果证明该方法是有效的。
The new method is verified by experiments on a prototype of dual-PWM three-level induction motor drive system.
将二极管箝位式三电平逆变器应用于三相并联有源滤波器以降低开关管应力。
The diode neutral point clamped three-level inverter for three-phase shunt active power filter is applied to reduce the switch stress.
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.
并指出电压不平衡是由于NPC三电平的特殊结构和电路中的杂散电感造成的。
The proper reasons for the unbalance are the unique structure of NPC three level converters and the parasitic inductance in the circuit.
为了提高整流器的动态性能，本文采用三电平PWM整流器直接功率控制策略。
To improve the dynamic performance of the rectifier, this paper presents three-level PWM rectifier direct power control strategy.
本文主要研究三电平逆变器在电压空间矢量控制过程中中性点电压平衡的控制方法。
This paper proposes a new strategy for balancing the neutral point voltage in the process of the three-level inverter vector controlling.
提出一种新型的四桥臂三电平并联有源电力滤波器(APF)的空间矢量控制策略。
A novel space vector control strategy is proposed for four-leg three-level shunt active power filter (APF).
DSTATCOM采用预测电流控制的双环控制方法和三电平逆变器的主电路设计。
DSTATCOM is designed with double loop control method of predictive current and 3-level inverter for its main circuit.
阐述了多电平逆变器的控制策略和拓扑结构，并具体分析了三电平逆变器的工作原理。
The control strategy and topology of multilevel inverters, as well as the work principle of three-level inverter, are firstly analyzed.
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.
本文的主要研究内容如下：三电平中点箝位pwm整流器的数学模型是控制器设计的基础。
This paper mainly includes the following: Three-level neutral point clamped PWM rectifier model is the basis of controller design.
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.
论文介绍三电平中心削波自关分析法原理、这种方法应用于钢琴音准检测遇到的困难及改进的方法。
This article introduces the principle of three-level center clipping autocorrelation analysis method and the difficulties in applying this method to detect the sound accuracy of piano keys.
针对三电平逆变器固有的中点电位平衡问题，本文提出并分析了两种能控制中点电位平衡的控制策略。
Two methods to control the neutral point potential are proposed in this thesis which can solve the neutral point potential problem owned by three-level inverter.
针对三电平逆变器固有的中点电位平衡问题，本文提出并分析了两种能控制中点电位平衡的控制策略。
Two methods to control the neutral point potential are proposed in this thesis which can solve the neutral point potential problem owned by three-level inverter.
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