相移變壓器 的英文怎麼說
中文拼音 [xiāngyíbiànyāqì]
相移變壓器
英文
phasing transformer-
During the high - voltage device design, the thick epitaxial layer ldmos which is compatible with current technology was researched. this device used piecewise vld and multiple region structure f reduce field layer. the using of the f reduce field layer effectively reduce the surface electric field of the device, shorten the length of its drift region, enlarge the choice of range of the ion implant dose of the p layer, and effectively restrain the disadvantageously affection on the breakdown voltage of the interface charge qss
在高壓器件研究中對與現有工藝相兼容厚外延ldmos進行研究,該結構採用分段變摻雜多區p ~ -降場層,有效降低器件的表面電場,縮短器件的漂移區長度,增大p ~ -降場層注入劑量的選擇范圍,並有效地抑制界面電荷qss對器件耐壓的不利影響。Phase - shifted zero - voltage - switching pwm full bridge converter can realize zvs for the power switches with the use of the leakage inductance of the transformer and the intrinsic capacitors of the power switches, so it is used widely for medium and high power applications
移相控制零電壓開關pwm全橋變換器利用變壓器的漏感和開關管的結電容可以實現開關管的零電壓開關,在中大功率的場合應用廣泛。The soft switching, phase - shifted pwm and bi - directional dc - dc converter hang together, depress circuit switching loss and noise effectively, which provide condition to increase switch frequency, efficiency and reduce size and weight for the converter ; at the same time, it is proved the converter can achieve zvs in larger load variation, and the converter has the virtue of structure compact, voltage and current stress small such as ordinary hard switch converter
該變換器把軟開關技術和相移控制pwm技術以及雙向dc - dc變換器技術有機結合在一起,有效地降低了電路的開關損耗和開關噪聲,為變換器裝置提高開關頻率、效率以及降低尺寸及重量提供了良好的條件;同時,能拓寬零電壓開關的范圍,使變換器在較寬的負載變化范圍內都能實現軟開關。At the aspect of hardware design, it adopts pulse distributor and the technology of single polar voltage drive to accomplish the function of controlling and driving stepmotor ; it adopts the technology of pulse width modulation and cmos h - bridge drive to accomplish the function of controlling and driving dc servomotor ; it adopts d / a convertor to accomplish the function of controlling ac transducer ; it adopts the technology of digital phase detection to accomplish the function of detecting the feedback position signal of induction phase shifter ; it adopts dsp ’ s capture cell to accomplish the function of detecting the feedback position signal of photoelectric coder
硬體方面,採用脈沖分配器和單極性電壓驅動技術實現了步進電機的控制和驅動功能;採用脈寬調制技術和cmos互補h橋驅動技術實現了直流伺服電機的控制和驅動功能;採用d / a轉換器實現了交流變頻器的控制功能;採用數字化相位檢測技術實現了感應移相器位置反饋信號的檢測功能;採用dsp的捕獲單元實現了光電編碼器位置反饋信號的檢測功能。In this paper, research and manufacture work on high efficiency high power density high - voltage high - power dc power is undertaken on the basis of basic theories and past production. by inquisition the basic theory and project of sreies - parallel resonant converter witch is a soft - switch converter was selected to outspread research and design work
本文是在吸收前人研究成果的基礎上,理論聯系實際,針對高效、高功率密度、高壓大功率直流電源展開的研製工作。在經過大量的實際調研工作的基礎上,選擇了一種軟開關變換器(移相控制的串-並聯諧振變換器)的技術方案,並圍繞該方案展開理論研究和實際的設計工作。These results prove that the charging action of the power supply is right. the simulation method is applied with other power supply system. at the same time, the hardware system of 2qkv - 60kw high - voltage capacitor direct current charging power supply is described in this paper, and discuss why designed a full digital phase - shifting pulse circuit
同時,本文敘述了20kv ? 60kw高壓電容直流充電電源的硬體電路的設計,其中討論了為什麼不採用已有的uc3875 、 uc3879等晶元來產生zvspwmdc dc變換器的移相脈沖,設計了全數字式移相脈沖產生電路。A novel cycloconverter - rype three - phase hf link inverter topology for soft - switching based on phase - shifted full - bridge mode is proposed, whose main advantages are as follows : under the conditions of d < i < and overlap - d, the switches of the leading leg are turned on at zvs and the switches of the lagging leg are turned off at zcs and all switches of the cycloconverter circuit are commutated in the overlapping mode in the interval of zero voltage, which makes the circuit realize soft switching to the utmost extent and reliably solve the problem of peak voltage caused by the storing energy of leakage inductance of hf transformer
論文提出一種新型移相全橋軟開關周波變流型三相高頻鏈逆變器,電路的主要優點是:前級移相全橋的移相角控制在_ d _ i和_ ( overlap ) - _ d條件下,超前橋臂零電壓開通,滯后橋臂零電流關斷,並使周波變流器所有開關在零電壓期間重疊換相,使整機開關最大程度地實現了軟開關,並可靠解決了高頻變壓器漏感儲能引起的電壓尖峰問題。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
西安理工大學博士學位論文針對這種前級移相全橋軟開關周波變流型三相高頻鏈逆變器結構和控制的復雜性,提出了一種實現簡單而整體優化的vvvf控制策略:將空間電壓矢量產生p姍的方法svm和等效載波頻率fe = 1 / te引入到周波變流器的pdm控制;按高頻電壓脈沖前後沿軟化等效p翎波;用移相調節高頻脈沖寬度和等效p姍調壓協調控制逆變器輸出電壓,在滿足輸出電壓條件下使諧波最小。In the paper it makes focal points of the zig - zag transformer " influences on the harmonics of line side and pulse shifting control influence on the harmonic of motor side. the theoretical computation and computer simulation waveforms are presented
重點分析了變壓器曲折接法和移相多重化整流對網側諧波的影響及移相pwm控制方式對減少輸出側諧波的作用,並給出理論計算結果和計算機模擬波形。The characteristics of the full bridge series resonant converter with the separate transformer are analyzed. the resonant frequency and other circuit characteristics are discussed. the full bridge series resonant converter is analyzed by circuit simulation
對帶可分離變壓器的全橋串聯諧振變換器的電路特性進行了分析,分析了變換器的諧振頻率,利用正弦等效的方法分析了變換器的電路特性,對雙極性控制和移相控制全橋串聯諧振變換器進行了電路模擬。By using phase shifting control between right bridge leg and left bridge leg, the output cy cloconverter commutating while the bi - polarity three - state high frequency ac volage from the input cycloconveter is zero, . and commutation overlap of the output cycloconverter and polarity selection of the input voltage, the leakage inductance energy and the output filtering inductance current are naturally commutated, and zvs switching of the output cycloconverter are realized, the surge voltage and surge current of the output cycloconverters are overcome
通過輸入周波變換器右橋臂相對左橋臂的移相,讓輸出周波變換器功率開關在輸入周波變換器輸出的高頻交流電壓為零期間進行換流,並藉助輸出周波變換器換流重疊和輸入電壓極性選擇,從而實現了變壓器漏感能量和輸出濾波電感電流的自然換流、輸出周波變換器的zvs開關,解決了輸出周波變換器固有的電壓過沖和環流問題。Firstly, the basic theory of full - bridge phase - shift zvs pwm converters are expatiated and another three kinds of circuits of full - bridge phase - shift zvs pwm converters are discussed. there are four kinds of problems which are emphasized : how to expand the zvs range ; how to reduce the circulation in the primary side of the transformer in order to minimize the on state losses ; how to decrease the loss of effective duty circle and how to eliminate the parasitic oscillation of the output rectifiers
本文首先分析了基本的全橋移相zvsdc dc變換器的工作原理,為解決滯后橋臂不易實現零電壓開關( zvs )的情況,討論了另外三種全橋移相zvsdc dc變換器的電路拓撲,重點分析並解決了四個方面的問題:如何擴大zvs的負載范圍;減小變壓器原邊環流,降低變換器系統通態損耗;減少變壓器次邊有效占空比丟失;消除輸出整流二極體的寄生振蕩。In chapter three, based on the analysis of the restricted factor of high frequency and the latest research achievements, it puts forward and designs the integrity structure of phase shifting pwm soft switching high voltage invert power supply. the main circuit, driving circuit and high voltage high frequency transformer are discussed in detail in this chapter
在分析了限制逆變電源高頻化因素的基礎上,綜合了軟開關技術的最新研究成果,本文在第三章提出並設計了移相式pwm軟開關高壓逆變電源的整體結構,對其中的主電路、驅動電路、保護電路和高壓高頻功率變壓器作了詳實的分析與設計。The vector relation among voltage, current and magnetic potential in phase shift regulating auto - transformer are analyzed. the parameter algebraic relation and the winding magnetic potential relation are gained
摘要分析了自耦調壓移相變壓器的電壓、電流、磁勢相量的關系,得到了各參數間的代數關系及各繞組的磁勢平衡關系。The calculation and measurement methods for voltage, turns and phase - shifting angle of winding with extended delta connection in 24 pulse traction rectifier transformer are introduced
摘要介紹了24脈波牽引整流變壓器延邊三角形聯結的網側繞組的電壓,匝數及移相角的計算和測量方法。As a result of employing multilevel phase - shifted method with zig zag connection in transformer secondary, in the primary the current harmonics their orders are lower than 6m 1 are eliminated ( m is the number of power cell each phase ). in the inverter side because of using pulse shifting pwm control, the equivalent switch frequency of output is m times as high as one h - bridge, so the output voltage waveform of the inverter is near sine with less harmonics
對于整流電路,由於採用變壓器移相多重化整流,在理論上可以實現曲折變壓器一次繞組中低於6m 1次諧波電流相互抵消( m為串聯單元個數) ;對于逆變電路,由於採用移相pwm控制方式,等效開關頻率提高m倍,因此輸出電壓接近正弦波,諧波含量較小。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。Guide for the application, specification and testing of phase - shifting transformers
移相變壓器的應用規范和測試指南Guide for the application, specification, and testing of phase - shifting transformers
移相變壓器的應用規范和試驗指南Secondly, three styles of union of ac branch and bus are studied for electrical
一般情形可以包含計及充電容納的輸電線路、普通變壓器支路、移相變壓器支路等。分享友人