橋式變換器 的英文怎麼說
中文拼音 [qiáoshìbiànhuànqì]
橋式變換器
英文
bridge converter- 橋 : 名詞1. (橋梁) bridge 2. (姓氏) a surname
- 式 : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
- 換 : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
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Then novel circuit structure of bi - directional voltage mode ( based on forward converter ) inverters with high frequency link, are proposed, which is constituted of input cycloconverter, high frequency transformer, output cycloconverter, input and output filter ; the circuit topologies family of this bi - directional voltage mode inverters with high frequency link include six circuit topologies, such as push pull - full wave mode, push pull - full bridge mode, half bridge - full wave mode, half bridge - full bridge mode, full bridge - full wave mode, and full bridge - full bridge mode etc. taking full bridge - full bridge mode circuit as an example, principle of uni - polarity phase shifting controlled bi - directional voltage mode inverters with high frequency link is introduced
本文首先論述了dc / ac逆變技術的應用前景及發展現狀。基於正激forward變換器的雙向電壓源型高頻環節逆變器電路結構,由輸入周波變換器、高頻變壓器、輸出周波變換器、以及輸入、輸出濾波器構成;雙向電壓源高頻環節逆變器電路拓撲族,包括推挽全波式、推挽橋式、半橋全波式、半橋橋式、全橋全波式、全橋橋式六種電路。Compared to the traditional converter, the new one can transform electric power from a static part to a rotary part without an electrocircuit connection, which makes the contactless power transform come true. one application of this converter is to supply a steady and regulable excitation circuit for synchronous generator by integrated its second winding with the motor while its primary winding is static. the thesis gives two methods of the rotating converter design paticullarly : flyback and fullbridge, and explains how the circuits are designed
通過理論分析、模擬分析和實驗驗證,得出這兩種旋轉變換器都能進行感應電能傳輸,但它們的傳輸功率是不同的,反激式旋轉換器最大隻能傳輸幾十瓦功率的感應電能,因此只能用在感應電能傳輸較小的場合,或者信號傳輸的場合;而全橋式旋轉變換器能傳輸較大的功率,可用於電機的新型無刷勵磁方案中。The topologies family include single four - quadrant power switch mode, push - pull mode, half - bridge mode, and full - bridge mode circuits. taking full - bridge mode circuit as an example, the operational mode, steady principles, transient voltage feedback control strategy of the converter are investigated. the output characteristic curve, the design for the key circuit parameters and the reference sinusoidal circuit which is synchronous with the signal of n or 1 / n times line voltage frequency are given
該電路拓撲族包括單四象限功率開關式、推挽式、半橋式、全橋式電路,以全橋式電路為例分析研究了這類換器工作模式、穩態原理與電壓瞬時值反饋控制策略,給出了變換器的外特性曲線、關鍵電路參數、與電網電壓n倍頻或n分頻信號同步的基準正弦電路的設計。Based on comparison of several motor candidates, doubly salient permanent magnet ( dspm ) motor is a good choice for it ’ s outstanding performance. similar to conventional drive system, dspm brushless dc motor ( dspm - bldcm ) is composed of dspm motor and it ’ s controller. the controller is made up of three - phase full - bridge inverter, driver, dsp control unit and etc. for high power system, every switch of three - phase inverter is actually made up of four mosfets in parallel
在充分考慮國內外不同的液壓泵電動機的基礎上,本文選用了雙凸極永磁電機作為整個系統的電機本體,並配以電動機控制器(控制器包括三相橋式功率變換器、驅動電路、 dsp主控單元、電流采樣及預處理和位置采樣及預處理等主要部分)組成整個液壓泵電動機系統。Buck tl converter and hybrid full - bridge ( hfb ) tl converter are taken as the examples to illustrate the operation of the tl converter
本文以buck三電平變換器和復合式全橋三電平變換器為例作了細致的分析。The basic working principles and characteristics of srm will be described firstly in this paper, as well as its developing survey and researching directions. and then the srd system will be separated into several function parts to be introduced respectively in details : ( 1 ) to analyze the basic characteristics of the srm including electromagnetism, current and torque of every angle field of the rotor based on the subsection - linearized inductance characteristics of stator windings and several idealized supposes. ( 2 ) how to design and realize the h - bridge converter, and the method to use it ; ( 3 ) how to design and realize the controller based on dsp ( tms320f240 ) and the control strategies, as well as the program ; ( 4 ) to introduce the monitor program running in a pc, which is programmed by delphi
本文首先介紹了srm的基本工作原理和特點以及srd系統發展概況和研究方向,然後以srd的功能構成為線索分部分進行介紹: ( 1 ) srm的特性及控制策略分析,在電感分段線性化等簡化條件下分析得出了各個轉子位置角度區間的電磁、電流和轉矩特性並分析了控制策略; ( 2 )分析設計了h橋式功率變換器的設計和工程實現的方法,並設計了基於這種功率變換器的換相邏輯; ( 3 )分析設計了以dsp為核心的控制器以及控制方法,並介紹了該控制器的軟硬體實現; ( 4 )介紹了如何用delphi編制實現上位機監控程序。The other is supported by emerson network power co., ltd as an advanced research project. and this paper mainly introduces how to design and realize a four - quadrant running srd system to control a 3kw srm ( 8 / 6 poles ) based on a dsp ( tms320f240 ), which uses h - bridge power convertor and power - consumption braking method
本文基於省重點科研項目「開關磁阻電機新型控制及其調速系統」和深圳emerosn網路能源公司預研部項目,分析討論了如何設計實現一套以3kw的四相( 8 6極) srm為控制對象以dsp為控制核心採用h橋式功率變換器和能耗制動方式的四象限運行srd系統。With the increase of the switches, more modulation strategies of the fb tl converter can be presented
全橋三電平直流變換器由於開關管較多,蘊含多種開關方式。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
本文第一章介紹了課題的研究背景、方向和主要內容;第二章簡單闡述了dsp晶元的特點及其在電力電子領域的應用,介紹了motoroladsp晶元dsp56f8323的性能特點;提出基於motoroladsp控制的移相全橋軟開關dc dc變換器的硬軟體系統設計方案;最後建立移相全橋變換器的小信號模型進行系統分析。第三章分析了系統硬體部分即軟開關全橋變換器的工作原理和工作模式;給出了詳細的硬體設計。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
文中從雙向dc dc變換基本單元入手,針對某大型車載電源系統設計了一種新型雙向dc dc變換器拓撲電路,降壓變換採用移相全橋式zvs ? pwm功率變換,升壓變換採用推挽式dc dcboost功率變換。The zero - voltage - switching ( zvs ) pwm hybrid full - bridge three - level ( h - fb tl ) converter can operate in both three - level mode and two - level mode, the output rectified voltage is close to the output voltage over the entire input voltage range, thus the output filter can be reduced significantly, leading to high power density and fast dynamic response. so the zvs pwm h - fb tl converter is very attractive for the applications such as fuel cells, photovoltaic cells, and telecom power supplies, where the voltage varies in a wide range
零電壓開關復合式全橋三電平( zero - voltage - switchingpwmhybridfull - bridgethree - level , zvspwmh - fbtl )變換器可以工作在三電平模式和兩電平模式,在很寬的輸入電壓范圍內,輸出整流電壓都接近輸出電壓,從而可以減小輸出濾波器,因此可以提高變換器的功率密度和改善動態性能。The twelve kinds of modes and equivalent circuits of voltage mode ac - ac mode ac / ac converters with high frequency link within one high frequency switching period are carefully analyses. by using the state - space averaging approach, the converter ' s averaging model is presented, and the design criterion of key circuit parameters and the output characteristic curve are given
以全橋橋式拓撲為例,論述了單極性移相控制的原理、單極性移相控制電壓源交?交型高頻環節ac ac變換器在一個高頻開關周期內的十二個工作模式及其等效電路。採用狀態空間平均法建立了變換器平均模型,獲得了關鍵電路參數的設計準則和變換器的外特性曲線。A current - doubler - rectifier ( cdr ) zvs pwm ( half - bridge ) three - level converter is proposed in this paper. zvs can be achieved for all the switches in a wide load range with the use of the energy stored in the output filter inductances. the output rectifier diodes commutate naturally without voltage oscillation and voltage spike
針對傳統(半橋)三電平直流變換器的一些不足,本文提出一種倍流整流方式pwm零電壓開關三電平直流變換器,可以使開關管在全負載范圍內實現零電壓開關,副邊整流二極體無電壓尖峰,無占空比丟失。The switches of the two - level leg suffer the input voltage and can realize zero - current - switching ( zcs ) in a wide load range, so the igbt can be adopted. the voltage across the output filter is a tl waveforms, which reduces the output filter. the input current of hfb tl converter is nearly a dc current, which reduces the input filter
復合式全橋三電平變換器不僅可以將開關管電壓應力減小一半,大大改善輸出濾波器工作條件的優勢,還可實現所有開關管的全負載范圍軟開關,本文詳細分析該變換器的工作原理、參數設計、控制方案,並進行實驗驗證。Finally, after calculating iron loss and copper loss with the magnetic field analysis, use it as a heat source, and conduct a non - stationary analysis independently with the three dimensional thermal analysis which concentrates on the effect of the heat transfer coefficient on the temperature rise. in this paper, a bipolar switched reluctance machine system model is also established with an h bridge converter as its power circuit topology
另外,本文還建立了雙極型sr電機系統模型,採用了h橋式功率主電路,詳細分析了其工作原理,並在磁場、損耗等方面與採用不對稱半橋變換器的傳統單極型sr電機系統進行了對比。The thesis analyses the effect of phase shift control and the utilization of the transformers primary sides saturable inductor to the transformers secondary sides voltage duty cycle, and basic on the buck converter s small signal ac model the converter s model is deserved, and infers control to output transfer function
論文通過分析移相控制方式和高頻變壓器一次側的飽和電感對高頻變壓器二次側方波電壓占空比的影響,在buck變換器小型號模型的基礎上建立了帶飽和電感的移相控制零電壓開關全橋變換器的小信號模型,推導出控制到輸出的小信號傳遞函數。This structure is kind of outer - coalescent. it adopts neural network ' s clustering function to classify the system output, then link a fuzzy controller in form of series which rules are made through the classified result. the design process and the experiment shows the well control effort to the full - bridge series type resonant dc - dc converter, at the same time the whole process avoids not only the modulating parameter process of the traditional method, but also the complexity of the traditional fnn design
然後本文又對全橋式串聯共振型dc - dc變換器的主電路的狀態方程進行了理論上的推導,從而確定了這種全橋式dc - dc變換器的各種工作模式;然後通過分別對模糊控制和神經網路進行介紹,提出了一種新型的模糊神經網路控制器模型,該控制器模型是一種外接式結合? ?串聯式結合方式,它利用了神經網路的聚類功能,採用了一種再生式神經網路,即elman網路來對系統輸出進行分類,然後根據分類結果設計模糊控制器,這樣就簡化了整個模糊神經網路控制器的設計過程。Abstract : the uni - polarity phase - shifted controlled voltage mode ac / ac converters with high frequency ac link based on forward converters are firstly proposed and deeply investigated. this kind of converters is constituted of input cycloconveter, high frequency transformer, output cycloconverter, input and output filters. it includes full bridge - full wave mode and full bridge - full bridge mode topologies, the former is suit for low output voltage field and the later is suit for high output voltage field
這類變換器由輸入周波變換器、高頻變壓器、輸出周波變換器、以及輸入、輸出濾波器構成,包括全橋全波式、全橋橋式兩種電路,前者適用於低壓輸出變換場合,後者適用於高壓輸出變換場合。The circuit topologies family of voltage mode ac - ac mode ac / ac converters with high frequency link include eight circuit topologies, such as single forward mode, interleaved - forward mode, push pull - full wave mode, push pull - full bridge mode, half bridge - full wave mode, half bridge - full bridge mode, full bridge - full wave mode, and full bridge - full bridge mode etc. the circuit topologies family of current mode ac - ac mode ac / ac converters with high frequency link include single four - quadrant power switch mode, push - pull mode, half - bridge mode, and full - bridge mode circuits. taking full bridge - full bridge mode circuit as an example, principle of uni - polarity phase shifting controll is introduced
電壓源交?交型高頻環節ac ac變換器電路拓撲族,包括單正激式、並聯交錯正激式、推挽全波式、推挽橋式、半橋全波式、半橋橋式、全橋全波式、全橋橋式八種電路;電流源交?交型高頻環節ac ac變換器電路拓撲族,包括單四象限功率開關式、推挽式、半橋式、全橋式四種電路。Then novel circuit structure and circuit topologies family of current source ac / ac converters with high frequency ac link, based on flyback converter, are proposed. the circuit structure which can transfer one unregulated sinusoidal voltage with high thd into another regulated constant frequency sinusoidal voltage with low thd, is constituted of input cycloconverter, high frequency storage transformer, output cycloconverter, input and output filter. the circuit topologies family include single four - quadrant power switch mode, push - pull mode, half - bridge mode, and full - bridge mode circuits
本文提出了基於反激flyback變換器的電流源高頻交流環節ac ac變換器電路結構及其拓撲族,該電路結構由輸入周波變換器、高頻儲能式變壓器、輸出周波變換器以及輸入、輸出濾波器構成,能夠將一種不穩定劣質的正弦交流電變換成另一種同頻率穩定的優質正弦交流電壓;該電路拓撲族包括單四象限功率開關式、推挽式、半橋式、全橋式等四種電路。分享友人