熱壓變換器 的英文怎麼說

中文拼音 [rèyābiànhuànqì]
熱壓變換器 英文
thermal voltage converter
  • 壓 : 壓構詞成分。
  • 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
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  1. Main operating companies : one, quality brands imported power plant auxiliary equipment : including valves, pumps and transducer and thermocouple and actuators, measuring gauges, pressure switches, solenoid valve and ion exchange resins and other rights and the importation of water treatment packages instruments : online various instruments, laboratory instruments 3, chemical water treatment, electro - deionization ( edi ) 4. complete sets of equipment, installation, commissioning and maintenance

    公司主要經營： 1 、代理進口優質品牌電站輔機設備：含閥門、泵類、變送器、熱電偶、執行器、計量儀表、壓力開關、電磁閥、離子交換樹脂等； 2 、代理進口水處理成套儀器儀表：各類在線儀表、實驗室儀表； 3 、化水處理、電除鹽（ edi ） 4 、設備成套安裝、調試、檢修。
  2. The calculation method using in factory has larger error and is n ' t used in high ignition point oil transformer. in this paper a calculation method, which has been verified by experiment results, is presented based on the fundamental theories and rule equation of heat transfer to calculate the temperature rise of average oil, top oil, coil, core and hot - point. a program has been compiled

    本課題立足於工程實際應用，根據傳熱學基本原理和經典試驗換熱準則式，通過對變壓器發熱冷卻原理進行分析和研究，提出了一套計算變壓器平均油溫升、頂油溫升、繞組溫升、鐵芯溫升和最熱點溫升的計算方法並編制了計算軟體，對影響變壓器溫升的因素進行了分析。
  3. 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。
  4. The new developments of htm station technique were introduced from the aspects such as changing the htm pipeline type in pet htm station, increasing the switch forms of steam atomization and compressed air atomization, increasing the steam generator, sending stripping tower off - gas to combination and using new material nd steel in air preheater

    摘要從改變聚酯熱媒站的熱媒爐熱媒管線形式、增加蒸汽霧化與壓縮空氣霧化的切換形式、增加蒸汽發生器、汽提塔尾氣送燒、空氣預熱器採用新型材質nd鋼等方面介紹熱媒站技術的新發展。
  5. The paper analyzes the non - lineal relations of the quantity of heat exchange and water flux of coil exchanger in part - load operating condition, the shortage of deciding the water flux in bypass pipe, the disadvantage that the operating condition of pumps and chiller ca n ' t be met with the load change of the air conditioning system in different operating condition of using pressure - difference bypassing control in primary water pump system. using load control method in the change of the operating condition of primary water pump system can realize that the load change is small and reasonable in the on / off condition of pumps and m m chiller by comparing load control method in primary variable - flow water pump system with pressure - difference bypassing control method, back water temperature control method

    本論文從目前空調工程中使用的變流量水系統入手，研究了盤管換熱器在部分負荷下水流量與換熱量的非線性關系，分析了文獻中介紹的旁通管通流能力選擇的不足之處和一次泵水系統採用壓差旁通控制時，工況轉換不能滿足系統控制要求的缺陷；比較了一次泵變流量水系統中壓差旁通控製法、回水溫度控製法、負荷控製法的精確性，並得出了在一次泵水系統的工況轉換時，採用負荷控製法能使冷水機組及其相應水泵在啟停時的負荷變化范圍較小，更符合建築物的冷量需求，節能效果較好的結論。
  6. Performance for a piezoresistive transducer pressure sensor to thermal and pressure environments can be predicted by finite element method. a simplified 1 / 8 model, considering silicon dioxide and nitride process as well as stack anodic bonding and adhesive bonding processes, was developed. the fem results were found to be comparable to experimental data. case studies suggested that pyrex stack induces certain amount of non - linearity, while it isolates hard epoxy nonlinear effect. flexible epoxy bonding or soft adhesive bonding is preferred to the packaging process. the viscoelasticity and viscoplasticity of bonding material will result in hysteresis and drift errors to sensor output. however, soft adhesive s influence on sensor can be ignored under relative stable environments. more over, detailed design and process information will help to improve modeling application

    熱、壓環境下壓阻變換壓力傳感器的性能可以通過有限元方法預測.這里研究了簡化的1 / 8模型，模型考慮了二氧化硅和氮化硅生成過程及堆陽極鍵合和膠粘結合過程.結果發現有限元預測結果和實驗數據具有可比性.範例研究表明，硼硅堆導致產生一定的非線性，但它隔離了硬環氧樹脂的非線性.在包裝過程中最好使用柔性環氧黏合或軟黏膠性結合.黏合材料的黏彈性和黏塑性將會導致傳感器輸出的滯后和漂移誤差.然而，在相對穩定的環境下，軟黏合劑對傳感器的影響可以忽略.此外，詳細的設計和過程信息有助於提高模型的適用性
  7. The signal sampling circuit fulfill the tasks of sampling signal and changing the double polarities signal to the single polarity signal ; the drive circuit receives the pwm signals from dsp and pass the signals to ipm through optical - couple devices ; the protective circuit safeguard the system against high current, high voltage, low voltage and high temperature on the ipm model

    其中信號處理電路主要完成採集輸出電流和中間直流環節電壓信號，並對採集到的電流信號進行極性變換處理的功能；驅動電路接收dsp輸出的高頻驅動信號，通過耦合器件直接驅動ipm模塊；保護電路利用採集到電氣信號對整個系統實施保護，包括過電流、過電壓、欠電壓、 ipm模塊過熱等。
  8. All those series of surface treating agents are widely used in manufacturing cars, tractors, motorcycles, bicycles, building machines, transformers, transducers, and mechanical and electrical appliances - before the finishing of these products. they are also used in drawing of steel wires and tubes, in cold rolling and acid pickling of steel articles

    本公司生產製造金屬表面處理劑的系列產品除油劑除銹劑表調劑磷化劑鋁合金清洗及氧化劑等，該系列產品廣泛用於汽車行業拖拉機行業摩托車自行車工程機械變壓器換熱器機電產品家用電器及其他機械產品的塗裝前處理，鋼絲鋼管的拉拔鋼鐵冷軋酸洗等。
  9. According the characteristics of heat exchanger, the number of flow phases and the flow structure in the heat exchanger vary when heat transfer area, heat transfer coefficient or pressure change. subsection models was founded respectively, and that the simulation model has been set up through advanced continuous simulation language ( acsl ) correspondingly

    針對換熱器動態工作過程中各相區的換熱面積、換熱系數、壓力的變化會引起製冷劑相區數目和相區組合發生改變的特點，分別建立了各種組合結構的數學模型，並運用acsl實現了它們的模擬模型。
  10. Because the switches suffer only the half of the input voltage, the three - level ( tl ) converters have been attracting more and more attentions. this thesis proposes a family of zero - voltage - switching multi - resonant three - level dc / dc converters

    三電平變換器可以降低開關管的電壓應力，並且可以減小輸出濾波器（或儲能元件）的大小，近年來逐步成為電力電子技術的一個研究熱點。
  11. First of all, the main - switches of the zvs chopper have zero - voltage turn - on and turn - off totally, so it has little switching losses. for this, the efficiency of the chopper can be improved

    首先，零電壓軟開關斬波器的主功率器件完全實現了零電壓開通和關斷，所以它的熱損耗很小，減小了系統的熱損耗，提高了系統的電源變換效率。
  12. According to step - response experiment, math model of the hotplate was set up and the temperature of controlling system including temperature detection circuit, pd controller, voltage pulse - wide transforming circuit and executor was designed

    以階躍響應實驗為基礎，初步建立起控制系統的數學模型，設計了適用於該電熱板的閉環溫度控制系統。系統主要包括溫度檢測電路、 pd控制器、電壓-脈寬變換電路及執行元件。
  13. Multilevel inverter technology is a pop research in high voltage and high - power converting fields. it can synthesize multilevel output with the distribution of dc voltage and the combination of different switching actions to reduce voltage stress across the switches and bulk of the equipment, and lessen output harmonic distortion and switching loss of the inverter

    多電平逆變器是當前高壓大功率電能變換領域中的研究熱點之一，它通過對直流側的分壓和開關動作的不同組合，實現多電平階梯波輸出電壓，能有效地減小器件承受的電壓應力，縮小裝置體積，減小輸出電壓諧波和開關損耗。
  14. The performances such as air flow, airside pressure drop, waterside heat exchange and power consumed by compressor vs. frosting time under different condition, were simulated and analyzed by using the ashpwch model developed

    採用該模型對機組在不同工況下的性能進行了模擬分析，得到了風量、空氣側壓降以及水側換熱器換熱量、壓縮機的軸功率等隨結霜時間的變化。
  15. The results show that : the lose of pressure is small when air velocity and the longth of honeycomb potter heat storage bed are varied ; but the switch time of air and the bulk of storage bed play important roles as regard its dynamic thermal performance

    結果表明：蜂窩型陶瓷蓄熱體換熱器的壓力損失隨著空氣流速以及蓄熱體長度的不同而變化，但總體上說，其壓力損失並不大；四通換向閥的換向周期和蜂窩陶瓷蓄熱體換熱器的體積等是影響其溫度效率和熱回收率等熱性能的重要因素。
  16. By analyzing the mechanism of boiling heat transfer and pool boiling, the model of evaporative cooling transformer, on which pool boiling heat transfer experiment has been finished, was designed and made

    通過對沸騰換熱機理和大容器沸騰換熱的分析，提出了蒸發製冷變壓器模型，並在該模型上對自行研製的全氟三乙胺進行了大容器沸騰換熱實驗。
  17. According to the study of this project, we discovered the perfluorotriethylamine, a environment - protection evaporative cooling agent, and carried through the research on the process of fabricating, thermal nature, and heat exchange experiment on the evaporative cooling transformer model

    通過對相變降溫的研究，我們找到了一種環保型的蒸發製冷介質? ?全氟三乙胺。對其制取過程以及其熱物性進行了研究，並在蒸發冷卻變壓器模型上對其進行了換熱降溫實驗。
  18. The system can simulate the transfer process of photo - thermal and thermal - electric at a given parameter setting of structure, environment and circuit. on the basis of circuit structure, the calibration, parameter adjusting and signal readout can be simulated, the vary process of readout circuit, readout voltage, optical gain, optical gain rate, and uniformity can be given. in addition, all kinds of character parameters of device can be forecasted

    本論文根據umbirfpa的原理，建立它的軟體模擬系統，它可以根據給定的結構、環境、電路設置等參數首先模擬光熱、熱電轉換過程，並可根據電路結構，模擬校準、參數調節並讀出信號，給出讀出電流和電壓、光學增益、光學增益比、非均勻性等各特徵量的定量變化過程，預測製成后器件的各種性能參數。
  19. These years more and more emphasize have been focused soft - switching control in phase - shifted zvs pwm full - bridge dc / dc converter and more research need to be made. the principles of phase - shifted zvs pwm full - bridge converter are described and analyzed

    基於移相控制的零電壓脈寬調制dc - dc全橋變換器是軟開關控制的一個研究熱點，還有許多理論問題需要研究。
  20. 1. nizn ferrite was developed for using in mini high frequency dc - dc converters and inductors. we measured and analysed the parameters of the nizn ferrite, which we concern about when designing the dc - dc converter. 2. the low loss sample of nizn ferrite were chosen for design - optimization of the high frequency transformer. based on the relevant theoretical researches, the loss properties of the magnetic core material and winding were analyzed in this thesis

    因此，以nizn功率鐵氧體材料為開關電源芯材為基礎，並優化各種開關電源的設計已成為國際上的熱點和技術瓶頸，本論文正是以上述背景為研究目標而開展工作的，主要進行的工作和創新有: 1 .對研製的新型高頻低功耗的功率nizn材料進行參數的測試，並針對dc - dc變換器設計關心的參數對芯材特性進行了分析，選擇在特定頻率下，功耗較小的nizn材料磁芯樣品作為變壓器優化設計的預備磁芯。
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