从物理角度讨论了双闭环交/直流功率变换器系统的控制方案和工作原理。
The control scheme and operating principle of a double closed-loop AC/DC power converter system are discussed by using physics.
小信号分析法是研究功率变换器的有效方法。
Small signal analysis is an efficient tool for the study of power converter.
本课题针对开关功率变换器的小型化和绿色化进行研究。
This paper is mainly focus on the research of small size and greenness of switching power converter.
近年来，数字控制技术在大功率变换器中得到广泛应用。
Digital control technology can achieve complex control strategy and has higher stability, reliability and flexibility.
把精细时程积分法引入开关功率变换器的时域响应分析中。
A new precise time - integration method is introduced into the analysis of time domain response to switched power converters.
本文还对三相功率变换器的工作原理、原理框图以及检测数据进行了分析。
The working principle, principal block diagram, and the detecting records of the three-phase power converter are also analysed in this article.
磁放大器后级稳压技术广泛应用于改善多路输出功率变换器的交叉调整率。
Magamp is an effective solution for improving cross regulation of multi-output power converter.
PI调节控制是功率变换器线性电流调节器的常用控制方法，但自适应能力较差。
PI regulation law is one of the common methods applied in linear current controller of the power converter while its adaptive performance is poor.
随着电力电子器件成本下降，拥有全功率变换器的永磁直驱风机成为各国关注热点。
As the cost of power electronics falls down, the permanent magnetic synchronous generator (PMSG) with fully-rated converters has become a hot issue.
此新型材料特别适用于开关电源中的功率变换器，即使不满载时，也可达到最佳效率。
The new material is thus particularly suitable for power converters in switch-mode power supplies, allowing optimized efficiency even at partial load.
本文介绍了一种高频大功率变换器的设计，详细阐述了这种大功率变换器采用的关键技术。
This paper describes the design principles of a high frequency power converter. It focuses on the pivotal technic and solutions in this paper.
为此，本文将特殊变压器与低压单元电路巧妙结合，提出一种新型高压SRD功率变换器。
Therefore, this paper proposed a new type of high voltage SRD power converter by combining a special transformer and low voltage cell circuits ingeniously.
介绍了PWM开关功率变换器电路的统一建模方法，并将谐波分析方法应用于电路分析中。
This paper introduces the method of unified modeling for PWM switched converter, and draws the analytic method of harmonic balance into the analysis of the circuit.
该系统以DSP-F240为核心，采用功率变换器和驱动电路，实现了金数字PWM控制。
The system with DSP-F240 adopts the power converter and driving circuit to fulfill the full digital PWM control.
考虑到系统功率较大，三相桥式功率变换器的每个开关器件均采用四个MOS管并联的结构。
For high power system, every switch of three-phase inverter is actually made up of four MOSFETs in Parallel.
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.
该功率变换器采用平方器来实现功率变换，因而具有结构简单，调节灵活等特点，适用于强电系统的测量。
A squarer is used to realize the power transfer and the converter is simple in construction and convenience for adjustment.
提出了一种新颖的双向电流源高频链DC A C功率变换器的拓扑结构，并简要地阐述了其工作原理和控制方案。
A novel topology of high frequency link DC ac converter with bi directional flyback mode is proposed, and its operational principle and control strategy are introduced briefly.
在此基础上，提出了双向AC／DC功率变换器的一种双闭环系统控制结构，并从物理概念出发讨论了系统的工作原理。
Then both control scheme and operating principle of a double closed loop AC/DC power converter system are discussed by using physics.
利用电压空间矢量脉宽调制(SVPWM)信号变换控制功率变换器各开关器件的导通占空比，实现异步电动机的速度调节。
Using space vector pulse-width modulation (SVPWM) signal transformation method, speed regulation of induction motor is implemented by controlling the duty ratio of every converter switch.
在硬开关状态下，PWM功率变换器的致命弱点是开关管开关损耗随开关频率成正比增加，不利于系统的集成和转换效率的提高。
The shortcoming of hard switch is that the power loss of power devices increases with the switching frequency, which is no good for system integration and improvement of conversion efficiency.
为了实现开关磁阻电机(SRM)绕组电流或磁链的精确控制，必须提高SR M功率变换器的工作频率以提高系统的动态响应速度。
To achieve the precision control of phase current or phase flux linkage in switched reluctance motor (SRM), the higher switching frequency of converter is required to increase dynamic response speed.
本文针对微型电动汽车，在比较多种常用的直流斩波电路基础上，选择三重化桥式斩波电路作为功率变换器主电路并研究了其工作原理。
Compared with a variety of relatively common DC chopping circuit, this paper selects the triple H-bridge chopping circuit to drive DC motors and introduces its working principles.
本文在对基于PEBB的分布式电力电子系统的层次结构进行划分的基础上，将基于PEBB的功率变换器分为两部分：应用管理器和PEBB。
On the basis of the division of the distributed control structure of power electronic system based on the PEBB, the power converter contains two parts: application manager and PEBB.
以设计的12/8结构样机为控制对象，对磁悬浮开关磁阻电机高速数字 控制系统进行了硬件原理设计，包括功率变换器和 控制系统设计。
Take the designed sample BSRM of 12/8 structure as control object, hardware of high-speed digital control system is preliminary designed, including power converter and control system.
功率变换器主电路采用电压电流双闭环瞬时值反馈控制方式，电容电压和电流瞬时值控制环提高了系统的稳定性、硬特性、稳态特性及动态特性。
The voltage and current real-time feedback control method is adopted, which improves the stability, the stiffness, the static characteristics, and the dynamic characteristics of the system.
本课题拟设计一种太阳能功率变换器模块及其并联控制方案，在实际应用过程中，可通过直接增减并联在母线上的模块数来扩展整个供电系统的功率。
In this paper, design a common solar cell converter module, which can be directly in parallel on bus to improve the entire power generating system in the practical application.
简单介绍了DC-DC 开关功率变换器的线性化分析方法和线性控制方法，以及DC-DC 功率变换器离散映射模型分析及其混沌控制的意义及现状。
Linear analytical and linear control methods are compendium. Meaning and present status about analysis of discrete map mode on DC-DC converters and their chaos control are generalized.
建立了基于功率变换器的有源式超级电容器-蓄电池混合储能系统的模型，并对控制环节进行了设计，提出了一种在脉动负载下蓄电池恒流输出的控制策略。
A mathematical model of the actively controlled battery-ultracapacitor hybrid energy storage system based on a power converter was set up, and the control loop was designed.
介绍了在三相三开关高功率因数变换器中应用复杂可编程逻辑器件(CPLD)实现逻辑控制部分的方案。
This paper introduces a scheme in which a complex programmable logic device (CPLD) is used in the three phase three pole switch high rating factor convertor to realize logic control.
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