調頻電橋 的英文怎麼說
中文拼音 [diàobīndiànqiáo]
調頻電橋
英文
frequency adjustment bridge- 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
- 頻 : Ⅰ形容詞(次數多) frequent Ⅱ副詞(屢次) frequently; repeatedly Ⅲ名詞1 [物理學] (物體每秒鐘振動...
- 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
- 調頻 : frequency modulation (fm); frequency adjustment調頻磁帶錄音機 f m magnetic tape recorder; 調頻...
-
1 m 0. 5, the phase - shifted angle 6 is controlled in term of sine law which makes the magnitude of resonant voltage track a reference sine voltage, and the resonant voltage is rectified, filtered, inverted and then the better sine - voltage output is obtained, theoretical analysis and experimental results show that for the resistive load and inductive load, the switches of leading leg of the phase - shift - controlled circuit are always turned on at zvs, and ones of lagging leg are turned on at zvs ( < 0 ) or turned off at zcs ( ( > 0 ), moreover, all switches in the low - frequency inverter are always turned on and off at zvs, the measured circuit efficiency for rated load reaches up to 88 %
從功率單向流動角度出發,提出了一種lcc諧振型恆頻移相單相高頻鏈逆變電路拓撲,在調制系數0 . 1 m 0 . 5情況下,控制移相角按正弦規律變化,使諧振電壓脈沖列的幅值追蹤參考正弦電壓信號,經過整流、濾波、低頻逆變,從而獲得正弦度較好的輸出電壓。理論分析和實驗結果證明對于阻性負載或阻感性負載,移相全橋具有超前橋臂零電壓開通,滯后橋臂或者零電壓開通( _ 0 )或者零電流關斷( _ 0 )的軟開關特性,而低頻逆變器的各個開關均實現零電壓條件下的開通與關斷。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。The methods that can efficiently suppress the disturbance on gate of switching component of the inverter - bridge are synthesized. a dual - inductor output filter is employed to improve electromagnetic interference ( emi ), due to turn - on or turn - off of the power switches of the inverter, which may be lead loads into trouble
本文詳細論述了1kva25hz新型鐵路信號電源和2kva高頻在線式ups的設計和調試工作,總結了幾種能夠有效抑制逆變橋功率開關管門極干擾的措施,並且運用一種雙電感結構的輸出濾波器來改善由逆變器功率管在開關過程中產生的、影響負載設備正常工作的電磁干擾。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 background of this dissertation is based on a project of researching and developing a high voltage series h - bridge multilevel converter, which drives an induction motor of 6300v, 2240kw for driving a water flooding pump in taigang. the research work on high voltage high power series h - bridge multilevel converter has been carried out by theory analysis, computer simulation and experiments
本文以太鋼某廠額定功率2240kw ,額定電壓6300v注水泵電機變頻調速科研工程為背景,從理論分析、計算機模擬和裝置實驗幾方面入手,對高電壓大容量串聯h橋多電平變頻器的理論和工程應用技術進行較深入研究。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。The main ideas of the thesis and the contributions to the resonant dc - link area are also listed in this chapter. a novel control strategy for the two - amplitude actively clamped resonant dc - link is proposed in chapter ii. it neglects the bus short circuit time adjuster and stabilizes the clamping voltage by a pi regulator so that the obtained link frequency is improved and the link losses are greatly reduced
第二章針對雙幅控制技術在單相橋式電壓源逆變器中的應用為範例進行研究,提出了直流母線無短路控制和通過pi調節環穩定箝位電壓的雙幅諧振控制策略,進一步提高了母線振蕩頻率,減少了直流環節損耗。In this paper, pwm double - bridge superposition regulator, ac chopping regulator and series voltage regulator were analyzed
摘要分析了pwm雙橋疊加型、交流斬波型和串聯型3種變頻型交流電壓調節電路。Discuss the ac frequency conversion timing system simulator process and way of the container crane, containing the ac frequency conversion motor drive and drivers " select, drivers " connection and control
?集裝箱裝卸橋交流變頻調速系統模擬過程及方法,其中包括交流變頻電機傳動及驅動器選擇、驅動器接線與控制。Rank and congratulate on and reach web site of wanda electronics co., ltd. construction establish, the setting - up of our station is for facilitating the customer to dc - dc power module. darington, silicon controlled rectifier, igbt, of effect, intelligence, silicon controlled rectifier transfer speed, solid state, step down module, rectification bridge, three - phase bridge series, air blower, frequency conversion, etc
熱列祝賀萬達電子有限公司網站建設成立,本站的建立是為了方便客戶對dc - dc電源模塊達林頓可控硅igbt場效應智能可控硅調速固態降壓模塊整流橋三相橋系列風機變頻等各種功率模塊的需求,歡迎您的到來。Abstract : the multifunctional inverter power sourcethe handy inverter welding, plating & charging manchine, developed with advanced inverter and micro - electronics control techniques, adopts “ half - bridge power expansion supply midpoint voltage autocontrol setting ”, and technically and effectively having solved inverter subvision of inverter power expansion circuit for leaning magnetism, reliability of high - power inverter setting, achives combination of constantcurrent and constantvoltage export, and realizes low - voltage dc and high - voltage ac double power supply
文摘:運用先進的高頻逆變技術和微電子控制技術設計研製的逆變式多功能電源便攜式逆變焊鍍充電多用機,採用「半橋式功放級供電中點電壓自動控制調節裝置」 ,在技術上解決了逆變功放電路因偏磁而造成的逆變顛覆,有效地解決了大功率逆變器的可靠性問題;進行多種外特性的綜合設定,實現了恆流與恆壓輸出的合一;與傳統焊機相比,實現了開環和閉環狀態下都互不影響的低壓直流電瓶和高壓交流雙供電Higher frequency, modular construction and digitalization is the main development tendency in the field of the switching power supply. high power density and high frequency converter is based on soft - switching techniques
實現高頻化的主要途徑是軟開關技術,全橋移相零電壓脈寬調制變換器是軟開關pwm技術在全橋直-直變換器中較成功的應用例子,並具有較好的工程實現價值。分享友人