| 1. | A new passivity - based control method for phase - shifted full - bridge soft switched power supply
无源性控制方法在移相全桥软开关电源中的应用 |
| 2. | The theory of phase - shifted full - bridge zvs pwm dc / dc converter circuit is studied and the phase - shifted controller uc3875 is used for phase - shifted control circuit
文中研究了移相全桥零电压pwmdc dc变换器的工作原理，使用移相控制芯片uc3875设计了移相控制电路。 |
| 3. | In the paper , a high power switch supply is developed using phase - shifted full - bridge zvs pwm dc / dc converter circuit and the current - sharing circuit is designed for parallel operation of multi - module
论文采用移相全桥zvspwmdc dc变换电路研制了大功率开关电源，并设计出多个电源模块并联运行时的均流电路。 |
| 4. | The whole high power switch supply have four bidirectional dc / dc converters which are parallel connection . the theory of phase - shifted full - bridge zvs pwm dc / dc converter and the theory of push - pull boost converter are introduced . the methods of realize zvs ( zero voltage switching ) is studied in detail
文中介绍了移相全桥式软开关变换及推挽式dc dcboost变换的工作原理，分析了移相全桥zvs的实现和占空比的丢失，并设计了各自的控制电路和保护电路。 |
| 5. | In this thesis , the tradition phase - shift full - bridge zvs dc / dc converter are analyzed , and then a new dc / dc full - bridge converter employing switches clamping in secondary side of transformer is proposed , and the converter employing saturable inductor clamping are studied , and zvs ( zero - voltage - switching ) can be easily achieve by experiment validate
本文分析了一些传统的移相全桥软开关变换器，提出了开关管箝位dc dc全桥变换器拓扑方案，并对饱和电感器箝位dc dc全桥变换器进行了研究，并进行实验验证，从而解决了开关管的零电压开关问题。 |
| 6. | Full bridge phase - shifted zero - voltage - switched converter ( fbps - zvs converter ) is a successful implementation for soft - switching and is easy for usage in dc / dc converter . the core technique to reach digitalization is dsp technique . in order to reach both high frequency and digitalization of converter , a fbps - zvs converter based on dsp control is proposed in this paper the converter worked on the high frequency of 150k . periphery hardware circuit is simple and its bulk is small . the converter realizes soft - switching over half load and get a high efficiency . it achieves the aim of digital control and error protect
实现数字化的核心是dsp技术。本文立足于将开关电源的高频化与数字化相结合，具体研究内容为一种基于dsp控制的移相全桥软开关zvs变换器，该变换器工作于较高的开关频率( 150k ) ，外围硬件电路结构简单、器件少、体积小；在半载以上实现了开关管的zvs开关，取得了较高的变换效率；实现数字化控制与故障保护，变换器取得了较好的性能效果。 |
| 7. | In the first chapter , the study background . direction and main content of this paper are presented . in the second chapter , the character and application of motorola dsp chip , the system design of this power supply and a small - signal model of fbps converter are introduced . in the third chapter , the operation of fbps converter is analyzed in detail and the design of hardware is given . in the fourth chapter particular software design and program flow are given . the result and analyse of experiment are given in this chapter too . in the last chapter , summarize of full paper and works followed are given
本文第一章介绍了课题的研究背景、方向和主要内容；第二章简单阐述了dsp芯片的特点及其在电力电子领域的应用，介绍了motoroladsp芯片dsp56f8323的性能特点；提出基于motoroladsp控制的移相全桥软开关dc dc变换器的硬软件系统设计方案；最后建立移相全桥变换器的小信号模型进行系统分析。第三章分析了系统硬件部分即软开关全桥变换器的工作原理和工作模式；给出了详细的硬件设计。 |
| 8. | In this dissertation , a novel bidirectional dc / dc converter ' s topology was designed , witch used in vehicle power supply systems . the converter is composed of fundamental bidirectional switch cell , using phase - shifted full - bridge zvs pwm dc / dc converter in buck circuit and using push - pull boost converter in boost circuit
文中从双向dc dc变换基本单元入手，针对某大型车载电源系统设计了一种新型双向dc dc变换器拓扑电路，降压变换采用移相全桥式zvs ? pwm功率变换，升压变换采用推挽式dc dcboost功率变换。 |
| 9. | Due to the complexity of the structure and control of cycloconverter - type three - phase hf link inverter for soft - switching based on phase - shift - controlled full - bridge mode , a simple and optimized vvvf control strategy is proposed . this control strategy includes : produced pwm by space voltage vector ( svm ) and equivalent carrier frequency fe = 1 / te are introduced into the pdm control of the cycloconverter ; softened equivalent pwm wave is generated at the notches of hf voltage pulses ; the harmonious control between regulating pulse width by phase - shifted angle and regulating voltage of equivalent pwm is to minimize the harmonics content of output voltage of the inverter
西安理工大学博士学位论文针对这种前级移相全桥软开关周波变流型三相高频链逆变器结构和控制的复杂性，提出了一种实现简单而整体优化的vvvf控制策略:将空间电压矢量产生p姗的方法svm和等效载波频率fe = 1 / te引入到周波变流器的pdm控制;按高频电压脉冲前后沿软化等效p翎波;用移相调节高频脉冲宽度和等效p姗调压协调控制逆变器输出电压，在满足输出电压条件下使谐波最小。 |
| 10. | In order to describe the actual working processes of dielectric barrier discharge ( dbd ) circuit , an analysis model of differential - difference equations was presented , based on the working modes of full bridge serial load resonant dbd circuit , which was adopted with phase shifting control
摘要为描述介质阻挡放电型臭氧发生器电路的实际工作过程，在分析一种移相全桥脉宽调制下串联负载谐振电源供电的臭氧发生器电路的基础上，提出了采用微分差分方程来描述电路的工作过程，并给出了电路可能的工作轨迹。 |
