橋臂 的英文怎麼說

中文拼音 [qiáobèi]
橋臂 英文
bridge arm
  • 橋 : 名詞1. （橋梁） bridge 2. （姓氏） a surname
  • 臂 : 臂名詞1. （胳膊; 從肩到腕的部分） arm 2. （人體解剖學上多指上臂） upper arm
  1. Report of 2 cases with brachium potine syndrome

    橋臂綜合征循證病例2例報告
  2. The voltage of bridge capacitor will become unbalanced, when inverter ' s input side is a single source. this phenomenon is inherent with the control of voltage feedback. a balance winding can overcome this shortcoming and widen the application of this circuit

    採用單電源供電的半橋電路，如僅採用電壓反饋控制方案無法克服橋臂電容電壓的不平衡，通過加入平衡繞組可以克服這一缺陷，擴大電路的應用場合。
  3. 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。
  4. Zero - voltage turn - on and zero - voltage turn - off in lagging arm and leading arm of soft - switching topology, working waveform of power transformer and process of rectifier and transition are presented in detail. the influence of resonant inductance of the power transformer, resonant capacitor and variation of load to the process of soft - switching are given

    主要對軟開關滯后橋臂和超前橋臂的零電壓開通、關斷過程，功率變壓器的工作波形及整流換流過程進行了詳細的模擬分析，並重點討論了逆變器的諧振電感、諧振電容以及負載變化對軟開關過程的影響。
  5. 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。
  6. This paper researches the four leg inverter based on svm modulation in detail

    本文重點研究基於空間矢量控制演算法的四橋臂逆變器。
  7. In this paper, the algorithm of three dimensions voltage space vector modulation applicable to converter with four legs is developed

    本文推導了適用於四橋臂變流器的三維空間矢量調制演算法。
  8. We discussed the three - phase four - legged inverter with a novel three - dimensional space vector modulation ( 3d - svm ) in this paper

    本文的研究對象是採用了三維空間矢量控制的三相四橋臂逆變器。
  9. A fault decision logic is presented, the fault state of the switch and the fault bridge of the inverter is fixed on. 6

    給出了一種故障決策邏輯，基於此可有效確定開關元件故障性質及逆變器故障橋臂位置。
  10. There are many control strategies for three phase four leg inverter, such as spwm, hysteresis current control and space vector modulation

    三相四橋臂的控制策略主要有spwm控制，滯環電流控制，空間矢量控制等。
  11. Based the simplest solutions of control equations, one - cycle controller for the three - phase four - wire apf with four - leg is presented

    基於控制方程的最簡解，建立了單周控制四橋臂三相四線制有源電力濾波器的電路模型。
  12. Among it the sensing surface of sensor should be established whetstone bridge, when the pressure is increased, resistance value of each bridge arm takes place change

    其中傳感器感壓面有惠斯頓電橋，當增加壓力時，電橋各橋臂電阻值發生變化。
  13. The principle of the svm for four leg inverter is introduced in detail ; the control of the inverter mainly contains two parts : calculation of the instruction voltage and svm algorithm

    論文首先介紹了svm控制四橋臂逆變器的基本原理，逆變器的控制部分主要包括指令電壓的計算和svm演算法。
  14. To achieve even higher sensitivity and better linearity, a design in which four temperature sensors are distributed in four bridge arms is proposed, this design remains to be tested experimentally

    論文還提出了四個橋臂均布置溫度傳感器的設計方案，有利於靈敏度和線性度的進一步提高。
  15. By compared with the simulation results and the experiment results, we come to the conclusions that : ( 1 ) circuit with assistant network can widen soft - switching extent in lagging arm, reduces duty - cycle loss on the secondary, diminishes switching dissipation of inverter spot - welding power source. ( 2 ) the range of resonant capacitor, the important factor to soft - switching process, not only affects zero - voltage turn - off of power switches, but also affects the range of zero - voltage turn - on of power switches. so resonant capacitors must be considered according to many aspects ; ( 3 ) it easily fulfils soft - switching condition in lagging arm as leakage inductance of power transformer increases, but bigger leakage inductance of power transformer increases opening dissipation of transformer and decreases efficiency of soft - switching inverter power source

    通過模擬結果與軟開關點焊逆變器試驗結果的對比分析，得到了如下主要結論：採用輔助網路可以完全拓寬全橋軟開關逆變器的滯后橋臂軟開關范圍，減小了次級占空比丟失，降低了逆變電阻點焊電源的開關損耗；諧振電容是影響軟開關工作狀態的重要因素，其大小不僅影響開關管的零電壓關斷，同時也影響開關管的零電壓開通范圍，因此，諧振電容應該綜合考慮；功率變壓器漏感越大，越容易滿足滯后橋臂的軟開關條件，但是大的漏感也使變壓器的通態損耗增加，降低了軟開關逆變器的效率。
  16. 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。
  17. The clamping diodes conduct only once in a switching period, and the resonant inductance current is smaller in zero state, leading to a higher efficiency and reduced duty cycle loss. the operation principle of the improved converter and the comparison with the original converter are analyzed in this paper. the effect of the blocking capacitor in series with the transformer or resonant inductance is discussed, and a best scheme is determined

    本文將諧振電感和變壓器交換位置，使變壓器與滯后橋臂相連，這樣箝位二極體在一個開關周期中只導通一次，同時零狀態時諧振電感電流較小，有利於提高變換效率和減小占空比丟失，本文分析改進后變換器的工作原理，並與改進前的變換器進行對比，討論隔直電容在不同位置對變換器工作的影響，確定一種最佳工程方案。
  18. Compared with full - bridge or half - bridge converter, a two - transistor forward converter has no risk of direct break - through in the two transistors of the same leg, it is suitable for high voltage input high power output application

    另外，和全橋變換器或是半橋變換器相比，交錯並聯雙管正激變換器不存在橋臂直通的缺陷，因而比較可靠。因此，它適合於高壓輸入大功率輸出的應用場合。
  19. According to the research of the converter s transient operation, the thesis presents the design of the resonant parameters and the dead - time setting range of the converters lead leg and lag leg, and i is confirmed by simulation

    論文在對變換器暫態工作過程研究的基礎上，給出了軟開關諧振參數設計和變換器超前橋臂、滯后橋臂的死區時間設置范圍，模擬驗證了設計的有效。
  20. A novel resonant pole zvt three - phase pwm inverter circuit for three - phase ac motor driving is presented. the proposed circuit has the feature of being more flexible with three inverter arms in zvt process. using only one resonant inductance, the inverter can not only reduce the power loss of inductance but also avoid possibility of unbalance in motor ' s three stator windings

    提出了一種針對三相交流電機驅動的新型諧振極零電壓過渡三相pwm逆變器電路，該電路中三個逆變橋臂的零電壓過渡更具有靈活性，僅使用一個諧振電感，既減少了電感損耗又防止了電機三相定子繞組可能存在的不平衡問題，並且諧振電感中殘余能量能夠回饋給電源；新型逆變器的輔助開關均工作在零電流開關條件下，並且控制邏輯簡單。
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