換接功率 的英文怎麼說

中文拼音 [huànjiēgōnglǜ]
換接功率 英文
interchange power
  • 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
  • 接 : Ⅰ動詞1 （靠近;接觸） come into contact with; come close to 2 （連接; 使連接） connect; join; put ...
  • 功 : 名詞1 （功勞） exploit; merit; meritorious service [deed]: 戰功 military exploits; 立功 render me...
  • 率 : 率名詞（比值） rate; ratio; proportion
  1. Integrating the power flow program with the tools matlab simulates the transient response of the distribution networks with the direct combination wind generator under disturbances, it provides the credible rationale to the research on stability and maximal penetrable power

    本文結合配電網潮流程序，利用matlab作為模擬工具，模擬包含直接並網風能轉換系統的配電網路在受到擾動情況下的暫態響應，對含有風電場的電力系統穩定性研究及風電場極限穿透功率的研究，提供了可靠的理論根據，有重要的現實意義。
  2. Energy consume, electric strength, insulation resistance, ground conductivity, leakage current, microwave leakage, power input, normal temperature, humidity treatment, glow wire, horizontal flame, vertical flame, tracking, ball pressure, rainproof, water splash, dustproof, salt fog, endurance, motor load test, cord flexing, cord pulling, pull & torque test, lamp replacement, construction check etc

    能耗、電氣強度、絕緣電阻、接地連續性、泄漏電流、微波泄漏、功率、溫升、濕熱試驗、灼熱絲、水平燃燒、垂直燃燒、漏電起痕、球壓試驗、防雨淋、防濺水、粉塵、鹽霧、耐久性（壽命）試驗、電機負載試驗、電源線彎折、電源線提拉、拉扭力測試、燈頭互換性、安全結構檢查等。
  3. Optical power meter real - time monitor optical power of each optical cable, and control computer gather the value of optical power attenuation circularly, if some values excess the limit, the computer control optical switch to connect another spare optical fiber with otdr card, control the otdr card to test the optical fiber, and then find the malfunction point accurately. the system require software system to run with hardware devices tother. this paper analyze requirement and technical feasibility in software system, ooa and uml are used to analyze software and abstract the class diagram

    通過光功率計對每條光纜中的備用光纖進行實時的監控，測試光功率的衰減值，主控計算機不斷循環的對每個光功率模塊進行數據採集，並記錄每路光信號的光功率衰減值，然後進行分析處理，如發現達到設定的光功率衰減門限值就報警，並控制光開關的切換，將故障光纜中的另一備用光纖與otdr卡連接，通過otdr卡對該光纖進行測試，從而確定故障點。
  4. Firstly. operation principle of induction heating is introduced and the actuality of the power supply for induction heating is summarized. then, the scheme of structure of the power supply is established : uncontrolled rectifier and buck chopper constitute dc circuit. in this part, operation principle of a kind of soft switching buck chopper is presented mainly and the conclusion that the power semiconductor devices operate in soft switching is also illustrated by analysing the operation principle of all stages ; series resonant inverter is selected as inverter circuit via comparing the advantage and shortcoming of parallel resonant and series resonant. moreover. the work principle of series resonant inverter is analysed and the calculating method of the best dead time is put forward as well

    文中首先介紹了感應加熱電源的工作原理並綜述了國內外的研究現狀。接下來分析並制定了電源主電路的構成方案：在對比幾種功率調節方式的基礎上選擇了不控整流加斬波調壓作為直流部分。在這部分里，重點研究了一種軟開關buck變換器，通過分析各階段的工作原理說明了開關器件如何工作在軟開關狀態；對于逆變器部分，在比較了串、並聯逆變器優缺點的基礎上選擇了串聯諧振逆變器，並詳細分析了串聯逆變器的工作原理，提出了最佳死區的計算方法。
  5. Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method

    在本設計中，採用高速的dsp處理器，實現了對故障特徵信息的高速採集與處理;採用大功率的功放晶元與變壓器配合的方法，實現了大電流信號的驅動輸出;採用485總線技術，組建了裝置主機與多探測器之間的主從式通訊網路，實現了多干擾條件下裝置主機與多探測器的可靠通訊;設計了差分式多級選頻放大電路，採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術，實現了控制器與多外設的介面及數字信號的串並轉換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元，設計了人機信息交互的介面;採用了模塊化的軟體設計方法，開發了裝置主機及探測器的軟體程序。
  6. Thirdly, the relative theories of the limiter and rectifier are studied. in order to make the passive responder work stably under the conditions of large dynamic range of the receiving power and the high efficiency requirement, a two - stage limiter circuit and a voltage - doubler rectifier circuit with several diodes parallel are developed

    3 ，對應答器地面裝置中的能量轉換電路進行了研究，針對應答器地面裝置接收到的載波功率具有大動態范圍的特點以及系統能量轉換的高效率要求，設計了一種兩級級聯二極體限幅電路和多管並聯的倍壓整流電路。
  7. Now the affect and the measure of hypo _ harmonics is in the research. the influence of negative sequence is almost eliminated along with the enlargement of the system ' s capacity and the alternate connection of traction substations. the fixed parallel compensate equipment applied in traction substations consist of a constant capacitor and a constant inductance, so its output is constant

    負序電流的問題已經因系統容量的增大、牽引變電所採用輪換接線方式而基本解決，電力部門實行的「反轉正計」 ，使採用對無功功率固定補償方式由於牽引負荷變化頻繁而出現補償容量不足或過補償現象，難以達到滿意效果。
  8. Heat exchangers - water to water heat exchangers for district heating - test procedures for establishing the performance data ; german version en 1148 : 1998

    熱交換器.直接加熱式水水熱交換器.確定功率數據的測
  9. With promulgation and obliging actualization of iec 1000 - 3 - 2 etc. international standards, power factor correction ( pfc ) technique become a hotspot of research in power electronics field. based on average current mode, the paper introduce the design and implementation of a fully digital controlled single - phase boost power factor corrector with fast response. the control - loop circuit is realized using digital control and the corrector can tend to unity power factor, lower current harmonics and high transfer efficiency

    本文在平均電流模式控制的有源功率因數校正技術的基礎上，設計了一種控制電路基於數字信號處理器（ dsp ） 、主電路採用boost變換器拓撲結構的全數字單相功率因數校正器，用數字電路代替傳統的模擬電路來實現對整個迴路的控制，最終使得校正器具有輸入功率因數接近於1 、低電流諧波以及高轉換效率的特性。
  10. Si9979cs can directly transform the motor rotor magnetic poles ’ displacements detected by hall groupware into the on - off signals of the 6 mosfets to realize electronical switch

    Si9979cs可直接將由霍爾組件檢測到的電機轉子磁極位置轉換成為6個mosfet功率管的開關信號，實現電子換向。
  11. With the development of power electrical technology and power element product technics, vscf generating system has better foreground and more broad scope of development. and power inverter, which has important effect on the whole generating system, is the core of vscf generating system

    在交直交型變速恆頻電源系統中，功率變換器將直流電轉變為恆頻恆壓交流電為飛機用電設備供電，其工作狀況直接關繫到整個變速恆頻電源的系統性能，因此是變速恆頻電源系統的核心組成部分。
  12. The immersion electrical heater is chiefly applied in the direct contact mode of fluid heating. it features fast heat exchange and high thermal efficiency. it has the varieties of water heater, oil heater and gas heater. its heating element power density, i. e. the power per unit of heating area of the heating element, is an important parameter of the electrical heating element, which has a direct bearing on the performance and working life. the working out of the value is a highly specialized problem, being under the influence of many factors ( media flow rate, tempt, physical and chemical properties and direction in which the medium flows past the element etc )

    浸入式電加熱器主要用於直接對流體接觸加熱的場合，具有熱交換快，熱效率高等特點，分為水用加熱器、油用加熱器、氣體用加熱器，加熱元件的功率密度：即電加熱元件單位發熱面積上的功率，它是電加熱元件極重要的參數，直接影響加熱器的使用性能及使用壽命，它的取值是一個非常專業的問題，受到許多因素的影響（如介質的流速、溫度、物理和化學性質及介質流過加熱元件的方向等等） 。
  13. The mc controlled by this strategy not only achieves the dtc of asynchronous machine with excellent dynamic performance but also acquires good input currents and an adjustable power factor

    按這種策略進行控制的矩陣式變換器，既可實現對異步電機進行動態性能優良的直接轉矩控制，又可獲得良好的輸入電流波形以及可調的功率因數。
  14. Matrix converter ( mc ) is a power converter based on ac - ac direct conversion. more and more attention is paid to mc depending on its adventages, such as omitting the dc part, obtaining unit power factor, getting sinusoidal input currents and output voltages and easy to realize bidirectional flow of energy

    矩陣變換器作為交交直接變換的功率變換器，以其無中間直流環節、具有單位輸入功率因數和良好的正弦輸入電流、易於實現能量雙向流動等優點受到了國內外學者的廣泛關注。
  15. Small size but high power, and it is very easy to install or ajust

    體積小功率大，安裝調試方便，兼容安川系列變頻器，可以直接替換。
  16. 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。
  17. Cdma ( code division multiple access ) is a promising technology for future mobile communication system because of its several features with which other multiple access technology can not compare : higher efficiency of frequency allocation, robust anti - multipath effect, macro diversity, mitigating interference, soft capacity, low power, soft handoff, simple frequency design, easy access, and so on

    碼分多址接入（ cdma : codedivisionmultipleaccess ）方式以頻譜利用率高、抗多徑、抗干擾、軟容量、低功率、軟切換、宏分集、頻率規劃簡單、用戶接入方便等其它多址技術不可比擬的優越性被認為是未來移動通信系統的理想接入技術之一。
  18. Cdma ( code division multiple access ) is one of the promising technology for futufe mobile conununication system because of its several featurs with which other multiple access technology can not compare : higher efficiency of frequency allocation, robust ani - multipath effect, macro diversity mitigating intefference, soft capacity low powet, soft handoff simple frequency design, easy access, and so on

    碼分多址接入（ cdma ： codedivisionmultipleaccess ）方式以頻譜利用率高、抗多經、抗干擾、軟容量、低功率、軟切換、宏分集、頻率規劃簡單以及用戶接入方便等其它多址技術不可比擬的優越性被認為是未來移動通信系統的理想接入技術之一。
  19. The thesis presents a group of direct ac / ac topologies including single and three phases ac / ac converters which are based on simple dc - dc topologies and realized by using the single - power tube four - quadrant switches. with only two power switches, these single or three phases ac / ac converters can achieve high quality four - quadrant ac / ac conversion by simple configurations and simple control schemes. the thesis mainly researches on the single phase ac / ac converter in the topologies including ac _ buck and ac _ cuk

    本文介紹了基於直流buck 、 boost和cuk電路，採用單有源四象限開關實現功率雙向化的直接ac / ac變換拓撲族，該拓撲族中的單、三相變換電路均只使用兩個功率開關，可實現波形優良的同頻ac / ac四象限變換，具有電路結構簡單、控制簡便、可實現小型化等優點。
  20. Another is that dfc is also not suitable for high input voltage application, such as following the output of three phase power factor correction circuit, for the voltage stress of switch in dfc is equal to the input voltage

    另外，在高電壓、大功率應用領域，如三相pfc電路後面接的dc dc變換器，由於三相pfc電路輸出電壓較高，一般為800v左右。此時採用功率mos管作主管的雙管正激變換器則不能直接應用。
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