整流換向 的英文怎麼說

中文拼音 [zhěngliúhuànxiàng]
整流換向 英文
commutate
  • 整 : Ⅰ形容詞1 （全部在內; 完整） whole; all; complete 2 （整齊） neat; tidy; orderly Ⅱ動詞1 （整理; 整...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 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
  1. Based on the thorough investigation of the post - regulation and efficiency in multiple output switching - mode power supplies, an optimal combination topology for multiple output switching converter is presented in this thesis, which is consisted of forward converter with active clamp ( fac ), synchronous rectification ( sr ) techniques and magnetic amplifier technique ( magamp )

    本文通過研究分析近年來多路輸出開關電源輔助輸出電壓調節和提高效率的方案，面對開關電源朝著輸出低電壓大電流方向發展的趨勢，提出多路輸出開關電源新的拓撲優化組合模式? ?有源鉗位正激變換器、同步整流技術、磁放大器。
  2. By comparing the results with relative experiment data, it is shown that rng k - is more exactly than the other turbulent model. 2 ) the influences of axial inflow position, radial outflow size, rotating reynold number, non - dimensional mass flowrate and axial inflow angle on the flow and heat transfer characteristics were numerically investigated for a typical rotator - stator cavity with axial inflow, radial inflow and radial outflow. the correlations for average nusselt number vs rotating reynold number or non - dimensional mass flowrate were established

    （ 2 ）針對一典型的徑向、軸向進氣，徑向出氣的轉-靜盤腔結構，系統研究軸向進氣位置、徑向出口大小、旋轉雷諾數、無量綱質量流量和軸向垂直預旋進氣等對盤腔內流動和換熱的影響，整理出轉-靜盤腔內轉盤平均努謝爾數與旋轉雷諾數無量綱質量流量之間的準則關聯式。
  3. 4 ) in a pre - swirl rotator - stator cavities with discrete pre - swirl nozzles and blade - cooling entry holes, the influences of pre - swirl angle and flow parameter on the flow and heat transfer characteristics were numerically investigated. the correlation for average nusselt number vs rotating reynold number or non - dimensional mass flowrate were established. the results show that : advantage of per - swirl inflow is the effect of cooling the blade - cooling entry holes ; pre - swirl inflow increases heat transfer in rotating disk of pre - swirl chamber ; as pre - swirl angle increases, local nusselt number decreases in pre - swirl chamber ; the temperature of stator of inner rotator - stator chamber and per - swirl chamber decreases as rotating reynold number increases ; when the axial mass flowrate maintains constant, heat transfer in the rotating disk of inner rotator - stator cavities does n ' t change as per - swirl mass flowrate increases, while heat transfer in the rotating disk of per - swirl chamber increases ; when the pre - swirl mass flowrate maintains constant, change of the axial mass flowrate has effect on the whole cavity

    結果表明，預旋進氣的優點在於增強了葉片冷卻孔附近的對流換熱效果，局部努謝爾數隨預旋角的增大而有所減小；隨旋轉雷諾數的增加，不論是內轉靜腔室還是預旋腔室的靜盤上的溫度都不同程度的降低：當軸向中心進氣質量流量不變時，隨預旋進氣的質量流量增加，內轉靜腔室的轉盤盤面上的換熱基本沒有變化，而預旋腔室的轉盤盤面上的換熱效果增強；當預旋進氣質量流量不變時，軸向中心進氣的質量流量的改變對整個盤腔都有影響。
  4. We are your specialist for semiconductor diodes and rectifiers : standard to ultrafast recovery, schottky, zener, supressor - diodes, bridge rectifiers, transistors, diacs ; also customized

    我們是專門提供二極體以及整流器，例如:標準到超快速恢復，肖特極，穩壓，雙向觸發二極體，橋式整流器，轉換器等等，可以依照客人要求訂做。
  5. The bias magnetic field of the bias coil driven by bias current and small signal test current, results in the induced signal of the control coil. the terminal voltage of the control coil is detected by the test circuit. then the signal containing the information of rotor displacement is obtained, from which we can get the dc voltage signal proportional to the rotor displacement through half - wave rectification circuit and low pass circuit. this dc signal is put into a pid controller to get the control signal of the rotor displacement

    偏置測試電路向偏置線圈輸入偏置電流和小信號測試電流，兩者產生的偏置磁場在控制線圈產生感應信號，檢測電路檢測控制線圈端電壓並提取含有轉子位移信息的電壓信號，該信號經半波整流電路和低通濾波電路后得到與轉子位移成正比例的直流信號，再由pid控制器轉換為轉子位移的控制信號，最後控制信號輸入功放電路產生控制電流，實現閉環控制。
  6. A commutator - brush combination is used as a mechanical rectifier to make the armature terminal voltage unidirectional and also to make the mmf wave due to the armature current fixed in space

    通過使用換流器電刷的組合作為一個機械整流器以使得電樞的端電壓為單方向的同時也使得由電樞電流所產生的磁動勢在空間是固定的。
  7. This thesis focuses on the ingress process module of ctu, which translates c - 5 dcp format to rainier 4gs3. the specification analysis, architecture and logic design, functional simulation testbench design, synthesis report and testing result are discussed in this thesis. the research work mainly includes : the specification analysis and design requirements of ctu logic ; the architecture and logical design of ingress process module, which includes receive control fsm, send control fsm and cell position adjustment logic ; the performance improvement of ingress process module to receive and transmit data cell at the full line speed

    本論文的主要研究工作包括：通信協議轉換邏輯的功能分析和設計需求；通信協議轉換邏輯上行方向的系統分析及體系結構設計，包括上行接收狀態機、發送狀態機、信元內位元組位置調整機制等的設計；通信協議轉換邏輯上行方向的線速設計，主要是上行接收的線速設計，要使用流水設計技術；提出了高速實現roundrobin調度策略的實現方法，並設計實現了桶式移位器和優先級編碼電路；應用bfm模擬模型設計了上行處理各模塊的模擬testbench ，完成了各級模塊的模塊模擬和系統集成模擬。
  8. In the special fields locking valves, underground mining, water hydraulic systems or beyond that with mining machines, hydraulics, selector valves as well as with aggregates, open cast pit, strip mining, surface mining and / or with hydro and hydraulically is saartech hydraulik gmbh well - known

    Saartech hydraulik gmbh是一家現代化的、可靠的專門產品供應商，這家供應商從事成套設備、機組，礦山機械，液壓系統，液壓，液壓動力源，液壓缸，醫藥技術，地下，地下開采，整流器、整流管、閥、閥門，截止閥、關閉閥，露天礦，水壓學、水壓技術、水壓系統，方向閥，換向閥，液壓的的製造、銷售。
  9. These topologies of inverters are composed of two bi - boost dc / dc converters, they are symmetry. so whole circuit turn into four - quadrant converters, we can control every power mosfet on or off. then we can get sine wave with direct current polarization at the left, at the same we also can get sine wave with direct current polarization phase contrast 180 compared of the left at the right

    這類逆變器由左右二個雙向boostdc / dc變換器構成，左右二邊是對稱的，所以整個電路構成了一個四象限變換器，我們可以恰當控制各功率管的開、關，使左邊的兩象限dc / dc變換器輸出一個帶直流偏置的正弦波，使右邊的兩象限dc / dc變換器輸出一個相差180度帶同樣直流偏置的正弦波形，這樣，負載zl上的電壓是左、右兩個dc / dc變換器電壓的差動輸出，正好可以消掉直流偏置，最終在負載r1上得到的就是正弦波。
  10. During and after song dynasty, as traffic and resources and other factors limit the economy development, xingdan economy, which was composed of mobile small retailers and craftsmen and men of carrying a load with a pole, became an chief feature for regional economy development, and in course of transferring from traditional agricultural economy to modern industrial economy, it has been playing an important role

    自宋代以來，金衢地區由於交通和資源等因素的限制，以肩挑和流動經營為特徵的各種小商販、小手工業者和挑夫群體形成的行擔經濟成為整個金衢地區經濟發展的主要特徵，並且在傳統農業經濟向現代化工業經濟轉換中，行擔經濟也扮演著重要作用。
  11. The company tennert & co. offers services from the ranges slip ring body, commutators in addition to transformer

    作為一家靈活的、有經驗的產品供應商為您提供高質量的換向器、整流子，變換器、變量器，接觸環組件。
  12. The company ksf kommutatoren & schleifringk ? rper finsterwalde gmbh offers services from the ranges slip ring body, commutators in addition to slip ring

    作為一家靈活的、有經驗的產品供應商為您提供高質量的換向器、整流子，變換器、變量器，接觸環組件。
  13. The scheme focuses on how to develop the platform by using. net technology, and the system design adopts soa and webservice technology architecture. this paper also describes bussiness cooperation management systm ( pr - bcms ) which includes the design and implementation of the workflow engine system, the distrbuted workflow schedule management mechanism, the visible web user - defined form and the data exchange platform

    Net技術平臺，面向soa的系統設計，利用xmlwebservice技術構架來實現整個平臺的解決方案，其中重點提出了業務協作管理系統（ pr - bcms ） ，包括工作流引擎系統、分散式工作流調度處理機制、可視化的web自定義表單、數據交換平臺的設計與實現。
  14. The design and simulation of the circuit, which is designed to drive a power mosfet with a 500v breakdown voltage and maximum ia operation current, is implemented. the circuit can be used as a pre - regulator for electronic ballast. the ic solution also provides a voltage - regulator with the functions such as undervoltage lockout, and overvoltage protection

    設計目的是使電路作為電子鎮流器的前端變換器可以驅動耐壓為500v ，最大工作電流為1a的橫向功率mos ，對整流電路的直流輸出電壓進行穩壓，並實現過壓、欠壓保護，提高用電效率，經過理論分析使經校正後的功率因數達到0 . 95以上。
  15. The converter not only keeps all the characteristics of the basic zvs pwm h - fb tl converter, but also eliminates the voltage oscillation and voltage spike across the rectifier diodes in both three - level mode and two - level mode, leading to a reduced voltage stress of the rectifier diodes

    本文在基本zvspwmh - fbtl變換器中引入兩只箝位二極體，無論是在三電平模式還是在兩電平模式，都可以消除輸出整流二極體反向恢復造成的電壓尖峰和振蕩，降低了輸出整流管的電壓應力。
  16. Meanwhile the influences of a hopper structure on the flow patterns of wet materials are different from dry materials. usually the critical open diameter of a hopper for dry particles is more than 3 times of particle diameter, but not less than 4 times for wet particles. for dry particles, the hopper angle which causes transformation from funnel flow into mass flow is about 45

    同時料倉結構參數對干濕顆粒流動特性的影響也存在一些明顯的差異：對于干顆粒，滿足不結拱的料倉開口度尺寸至少為顆粒直徑的三倍，而濕顆粒則要求料倉開口度至少為顆粒直徑的四倍；干顆粒由漏斗流向整體流轉換的角度在45度左右，而濕顆粒的轉換角度為40度左右。
  17. The novel system has two - novelty points comparing to tradional system. the first, this system configuration is consisted of a new type of compound flyback converter, bi - directional high frequency rectifier, high frequency filter and controller

    與其他文獻資料中介紹的同類電路結構相比，本文提出的方法中有兩個較新穎之處：一、該系統由雙組合式單端反激變換器、雙向高頻整流器、高頻濾波和控制部分組成。
  18. A current - doubler - rectifier ( cdr ) zvs pwm h - fb tl converter is proposed in this paper, the proposed converter can achieve zvs for all the switches in a wide load range with the use of the energy stored in the output filter inductance, in the meanwhile, the voltage oscillation and voltage spike across the rectifier diodes resulted by the reverse recovery are eliminated

    為了消除輸出整流二極體反向恢復造成的的電壓尖峰和振蕩，同時使所有開關管在很寬的負載范圍內實現zvs ，本文提出了倍流整流方式的zvspwmh - fbtl變換器。
  19. First, because pipelines are so complex that controlled object is high order, delay, coupling, nolinear and time - varing, it is difficult to realize closed loop control for it using valid mathematic model. to resolve this problem, the paper presents a fuzzy - pid control algorithm with self - adjusting regulation factor. second, if a moving motor supplied by inverter power is switched to be supplied by power supply, the impact of overload - voltage and overload - current appears

    主要針對中、大容量供水系統中，由於供水管網鋪設復雜、彎管多、控制對象具有高階、滯后、耦合、非線性及參數時變的特點，難以利用有效的解析式數學模型進行閉環控制，以及多臺水泵並聯運行時，水泵電機由變頻電源供電向工頻電源供電切換過程中產生的過電壓過電流沖擊這兩個難題，提出了可調整因子fuzzy - pid控制演算法及利用鎖相環控制實現水泵電機由變頻電源向工頻電源的同頻同相平滑切換。
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