輸入電橋 的英文怎麼說
中文拼音 [shūrùdiànqiáo]
輸入電橋
英文
input bridge- 輸 : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
- 入 : Ⅰ動詞1 (進來或進去) enter 2 (參加) join; be admitted into; become a member of 3 (合乎) conf...
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 橋 : 名詞1. (橋梁) bridge 2. (姓氏) a surname
- 輸入 : 1 (從外部送到內部) import 2 [電學] input; entry; entering; in fan; fan in; 輸入變壓器 input tra...
-
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。The conventional switching power supply usually use a diode rectifier followed by a bulk capacitor to convert ac voltage to dc voltage, resulting in the pulsating waveform of the input ac line current, low power factor ( generally 0. 65 ) and high harmonic line current
傳統的開關電源設備通常採用二極體橋來進行整流和一個較大的電解電容來進行濾波以實現輸入電壓的交直流轉換,導致輸入電流為一個很窄的脈沖波並含有較多的諧波分量,功率因數變低(通常只有0 . 65 ) 。For bridged operation of channels 3 + 4, use only the input jack and level control for channel 4
用3 + 4通道進行橋接時,僅用通道4的輸入插座並控制電平輸入。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。The operation principle, stability and current ripple of the output filter inductor between serial and parallel modes are analyzed. a 1000 va serial and parallel combined dual buck half - bridge inverter ( dbhbi ) has been implemented to verify the analysis
文章分析了該逆變器的工作原理、串並聯兩種運行模式對輸出濾波電感電流脈動、輸入電壓脈動、系統穩定性的影響,並以1000va雙降壓式半橋逆變器為例進行了實驗驗證。We discussed the four - legged inverter with space vector modulation ( svm ) to aim at three - phase four - line output ; we introduced the principle of three dimensions svm, and attained the related control scheme. with the illustration of 15kva vscf power inverter, we tested and verified that the inverter system under 3d svm control can realize the three phase four line output and linear voltage regulating
針對三相四線輸出的電源系統,對採用空間矢量控制的四橋臂逆變器進行了深入研究,對三維空間矢量調制方案進行了分析求解、模擬,並給出了適用於15kva變速恆頻電源變換器的解決方案,實現了變換器的三相四線輸出以及線性調壓。A novel high - power pollution - free smps is presented in this paper, which accomplishes simultaneously the goal of soft - switching pwm, the input / output isolation, the output voltage regulation and three - phase pfc with a single - stage power processor and simple pseudo - phase - shift control circuit. therefore, compared with the normal two - stage system, the single - stage power supply has simpler structure, lower cost, higher efficiency and easier to control. the proposed smps can be used in the three - phase power system, and can output high power over kw - order and input / output ( i / o ) isolation dc power supply
本文提出的新型無污染大功率開關電源正是採用三相三線制輸入電源,利用單級偽相移零電壓零電流開關脈寬調制( pps - zvzcs - pwm )全橋變換器完,成功率因數校正( pfc )和輸出電壓快速調節、隔離的雙重功能,並且該變換器開關管在零電壓或零電流下通斷,顯著的減小了emi 。The circuits embedded in the transducer acquire, amplify signal and converter the a / d signal to the serial outputs. then it transmits the data to the acquisition board of a pc
使用傳感器的內置電路對多路電橋輸出信號進行放大、數字化和串列化,然後傳送至數據採集卡,通過數據採集卡將數據存入車載計算機中。Its main advantages are soft - switching while operating at constant switching frequency and a simple control. in order to be applied under more high voltage, the fb converter can also be converted to tl topology. using the basic tl topology derivation method, fb tl converter can be deduced
應用三電平拓撲變換的基本方法,直接得到了全橋三電平直流變換器的拓撲結構,使其開關管的電壓應力降到輸入電壓的一半,進一步拓寬了全橋直流變換器的應用范圍。The series h - bridge multilevel converter has the advantages of high output voltage, high power, lower harmonic content in line and motor sides and high input power factor
串聯h橋多電平變頻器具有輸出電壓高、功率大,輸入側和輸出側諧波含量小,輸入功率因數高等特點。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。The feasibility and effectiveness of the iddt testing are both validated by experiments. at last, transistor bridging faults are simulated based on iddq testing and gate bridging faults and stuck - at faults based on voltage testing through detaching a pattern pair into two independent patterns
最後,把一個輸入向量對看成兩個獨立的向量,分別採用穩態電流測試方法和電壓測試方法模擬橋接故障的晶體管級故障和橋接故障的門級故障及固定故障。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。Double forward converter ( dfc ) has many advantages, such as inherent anti - break - though capability, auto clamping the switch voltage etc. regarding the excellent reliability, dfc is one the most widely used topology in the industrial applications, especially for low output voltage area, such as telecommunication energy systems and welding power supply
雙管正激變換器具有內在抗橋臂直通的優點,能使開關管上的電壓自動箝位在輸入電源電壓。由於其可靠性高,電路設計簡單,因而成為目前在工業中應用最普遍的變換器結構之? ,特別是適合於輸出電壓較低應用場合,比如通信系統中的一次電源和弧焊電源。A topology of asymmetrical half bridge soft switching is researched in this thesis, which has inherent zero voltage switching ( zvs ) capability and thus potentially higher efficiency by its resonating of the leakage of power transformer with the parasitic capacitances of the power mosft switches, whereas it does n ' t raise the expense of the converter these studies in the thesis have been done as follows : ( 1 ) the topology of asymmetrical half bridge is introduced, and its principle and the relation of duty cycle and input voltage and output voltage discussed, the method of eliminating the deflection magnetism is also brought forward
雖然,軟開關技術能夠實現功率變換器的小型化、模塊化等,但是,電路變得更加復雜,使得中小功率的變換器的成本增加,往往不利於商業競爭。本文研究了一種零電壓的不對稱半橋拓撲結構,它可以在不增加電路成本的基礎上,利用電路自身的特點,實現軟開關。本文所做的主要工作如下: ( 1 )對不對稱半橋主電路工作原理進行分析,給出了占空比與輸出電壓、輸入電壓的關系以及消除變壓器偏磁的方法。Usually the bridge circuit has a relatively high input impedance so that it has an insignificant effect on the signals in the transmission line
通常橋接電路具有較高的輸入阻抗,因此傳送線上的信號將不受影響。To reduce the emi, reverse reset of the diode are studied, and design way about spike - killers and saturable inductors witch can suppress voltage and current spikes are showed. in this thesis, a transformer clamping full - bridge dc / dc converter is presented to salve the high input voltage. in this chapter, the operating principle is analyzed and experimental results have been showed on the 2kw converter
在處理高壓問題上,本文又提出了變壓器箝位高壓大功率dc dc全橋變換器拓撲方案,文中對其工作原理進行了分析,文中以一臺2kw的原理樣機對其工作原理進行了驗證,很好地解決了輸入電壓高的問題。Slave cpu receives the spwm data and output the spwm wave by query the spwm table. the dead time is generated by hardware to prevent the h bridge arm from short directly. the power out module is protected for over current, over voltage and over heat
逆變器採用雙cpu結構,使用spi進行連接,主cpu完成輸入、輸出和spwm波形數據的計算,從cpu接收到spwm數據后使用查表方法輸出spwm波形,使用硬體電路生成死區時間防止橋臂直通,對輸出功率模塊進行了過流、短路、過壓、過熱保護。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。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