熱變換器制 的英文怎麼說

中文拼音 [rèbiànhuànqìzhì]
熱變換器制 英文
thermal converter system
  • 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
  • 制 : Ⅰ動詞1 （製造） make; manufacture 2 （擬訂; 規定） draw up; establish 3 （用強力約束; 限定; 管束...
  1. 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。
  2. 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。
  3. The thesis discussed a parameter extraction program for the mosfet level1 model. in the analysis and design of circuit, at first, the thesis described the system function of the new dc - dc switching converter. then several sub - circuits of converter ic such as oscillator, over - temperature shutdown circuit, auto - restart counter circuit and control circuit were completely discussed

    在電路設計中，本文首先分析了開關電源電路的基本拓撲結構和psm調制模式，接著對開關電源變換器進行了系統的原理分析並設計了總體框圖，然後詳細設計了振蕩器電路，熱保護電路，自動重啟計數器電路和主控門邏輯等子電路並進行了功能模擬。
  4. 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。
  5. At present, people usually use birefrigence and quasi - phase - matching methods to achieve higher effiency in the process of conversion. a significant advantage of quasi - phase - matching method is that the interaction is occurred through the largest element of the x ( 2 ) tensor ; the period of optical superlattice can be designed randomly, and any interaction can be matched without walk - off angle ; they are fitted to be used in frequency conversion of lower power especially. the quasi - phase - matching method has some advantages over birefrigence method, improving the efficiency of frequency conversion ; the range of frequency conversion covers its whole transperant wavelength

    由於準相位匹配技術有其獨特的優勢，可以利用非線性光學晶體的最大二階極化張量，如ppln 、 pplt 、 ppktp用的非線性極化張量都是d _ （ 33 ） ，其有效非線性系數高出普通非線性光學介質（如bbo 、 lbo 、 ktp ）一個數量級，而且可以人為靈活設計調制周期，通過周期設計其頻率變換范圍可以覆蓋準相位匹配介質的整個透明波段，選擇無走離效應，解決了常規pm難以解決的問題，拓寬了非線性晶體的應用范圍，極大地提高了頻率轉換效率，已成為非線性光學材料和固體激光器的研究熱點之一。
  6. The resistance furnace microcomputer automatic procedure temperaturecontrol system is rises, the temperature decrease speed and thesoaking time through the monolithic integrated circuit to the heatingfurnace carries on the strict control the installment, it changes thetemperature delivers, the demonstration and the numerical controlcollection to a body, take the microcomputer control as thefoundation, take the a / d switch as the core, and matches by thesuitable periphery connection electric circuit, realizes to theresistance furnace temperature automatic control

    電阻爐微機自動程序溫度控制系統就是通過單片機對加熱爐的升、降溫速率和保溫時間進行嚴格控制的裝置，它將溫度變送、顯示和數字控制集於一體，以微機控制為基礎，以a / d轉換器為核心，並配以適當的外圍介面電路，實現對電阻爐溫度自動控制。
  7. 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。
  8. 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。
  9. Abstract : the in servie tubular heaters built early in refineries and chemical plans have low thermal load and low heat efficiency, therefore measures for technical reform are offered, including ( 1 ) enlarging the surface area of convection tubes to increase the thermal load of rhe convection section ; ( 2 ) increasign the heat interchanging area of radiant tubes ; ( 3 ) changing the height of the chimney ; ( 4 ) using new burner with forced air supply to increase calorific capacityu ; ( 5 ) adding air preheater between the convection section and chimney to enhence the temperature of the air entering the furnace ; ( 6 ) adopting high temperature radiant coating to improve the effect of radiant heat interchanging

    文摘:針對早期建造的煉油廠和化工廠在役管式加熱爐熱負荷和熱效率低的狀況，提出了若干技術改造措施包括，增大對流管表面積以增大對流段的熱負荷；增加輻射管的換熱面積；修正煙囪高度；換用新型燃燒器，變自然通風為強制供風，以增大燃燒器的發熱量，減小過剩空氣系數，節省燃料2 % 3 % ；在對流段和煙囪之間增設空氣預熱器以提高空氣入爐溫度；採用高溫輻射塗料增強輻射換熱效果，從而增加熱源對爐壁的輻射傳熱量和爐管的傳熱量等。
  10. The in servie tubular heaters built early in refineries and chemical plans have low thermal load and low heat efficiency, therefore measures for technical reform are offered, including ( 1 ) enlarging the surface area of convection tubes to increase the thermal load of rhe convection section ; ( 2 ) increasign the heat interchanging area of radiant tubes ; ( 3 ) changing the height of the chimney ; ( 4 ) using new burner with forced air supply to increase calorific capacityu ; ( 5 ) adding air preheater between the convection section and chimney to enhence the temperature of the air entering the furnace ; ( 6 ) adopting high temperature radiant coating to improve the effect of radiant heat interchanging

    針對早期建造的煉油廠和化工廠在役管式加熱爐熱負荷和熱效率低的狀況，提出了若干技術改造措施包括，增大對流管表面積以增大對流段的熱負荷；增加輻射管的換熱面積；修正煙囪高度；換用新型燃燒器，變自然通風為強制供風，以增大燃燒器的發熱量，減小過剩空氣系數，節省燃料2 % 3 % ；在對流段和煙囪之間增設空氣預熱器以提高空氣入爐溫度；採用高溫輻射塗料增強輻射換熱效果，從而增加熱源對爐壁的輻射傳熱量和爐管的傳熱量等。
  11. The system is described mathematically on the basis of mass balance, energy balance, and phase equilibrium. the model of process simulation of the aht system is set up. the solution system of mathematical model of absorption cycles was put forward

    對吸收式熱變換器（ aht ）的基本原理和行為特徵在系統層次上進行了分析，進而根據質量平衡、能量平衡和相平衡方程對系統進行數學表述，建立了系統的過程模擬模型，並提出了aht吸收循環數學模型的求解機制。
  12. The results of simulated and practical application have proved that the system is able to enhance the heat - transfer efficiency, stabilize the furnace condition, economize the energy and simplify the operating procedure

    模擬試驗與實際運行結果表明，該控制器通過對廢氣溫度變化的控制，可以在滿足工藝要求的條件下提高熱交換效率、穩定爐況、節約能源、易於實現。
  13. 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。
  14. The thesis analyse the dynamic characteristic of heat - exchange equipment from the regulation channels and interference channels by the way of system simulation, and confirm the law of dynamic response of the second average temperaure when the first flow ( or temperature ) or the second flow change, and finish the design of heat power station ' s energy regulation system hereby it. at last, it simulate heat - exchang equipment and heat power station ' s energy regulation system by using matlab / simulink

    本文用系統辨識的方法分別從調節通道、干擾通道對換熱器動態特性進行了分析，確定了當一次側流量（或溫度）或二次側流量變化時，換熱器二次側供回水平均溫度的動態響應規律，並據此建立了換熱器數學模型組成了熱力站能量控制系統。最後用maflab / simulink對換熱器和熱力站能量控制系統進行了動態模擬。
  15. This text design a expert intellience controller for electrical heater of co shift unit in a chemial. the author studies the method of control calulate, knowledge obtaining, process of production and development of dcs system

    本文以某化工廠的變換工段的電加熱器控制為對象，設計一個專家智能控制器，對控制演算法、知識獲取及dcs系統的開發進行了探討和研究。
  16. This machine adopts high - level siemens plc concentration control, set up with computer controlled gear shifting vacuum gauge, and a three - flow controller, one set of contra - variant bias power and four - route contra - variant arc power supply, four side - installed heating tubes, computer pid automatic temperature control device, 60 and 100 two kinds versatile arc supply

    該設備採用先進的西門子plc集中控制，裝有電腦自動換檔真空計和三路流量控制器，一套逆變偏壓和四路逆變弧電源，邊裝式加熱管四支，電腦pid自動控溫， 60和100兩種弧源通用。
  17. 5. according to batch heat exchanger, washing and cip ( cleaning in place ) operation cause its fouling and object gain changing periodically and thus conventional fixed parameter controller is hard to keep good performance, a novel recipe - fnn - based predictive method was developed for the periodical fouling measurement

    5 、針對間歇換熱設備的周期性結垢現象，以及由此引起的對象特性對變並造成常規控制器動態性能下降等問題，提出了一種基於配方混合模糊神經網路的周期性結垢預測方法。
  18. This machine adopts japanese pro - face touch screen and mitsubishi plc control technology. in addition, it is set with automatic gear - shifting vacuum gauge, a three - flow controller, side - installed heating tube, computer pid automatic temperature control, and two sets of flat magnetic controlled target, contra - variant magnetic - controlled power source, and contra - variant bias power with easy operation and top grade film layer. they are widely used in decorative film layer, and compound film layer in plating

    該設備採用日本pro - face觸摸屏和三菱plc集中控制裝有電腦自動換檔真空計，三路流量控制器，邊裝式加熱管，電腦pid自動控溫，配備兩套邊裝式平面磁控靶，逆變式磁控電源和逆變式偏壓電源，操作簡單，膜層細膩，廣泛適用於鍍制各種裝飾膜層和復合膜層。
  19. This machine adopts japanese pro - face touch screen and mitsubishi plc control technology. in addition, it is set with automatic gear - shifting vacuum gauge, a two - flow controller, side - installed heating tube, computer pid automatic temperature control, and 32 sets contra - variant arc power supply and contra - variant bias power. they are widely used in plating different thick film layers of mono - metal and many compound film layers

    該設備採用日本pro - face觸摸屏和三菱plc集中控制裝有電腦自動換檔真空計，兩路流量控制器，邊裝式加熱管，電腦pid自動控溫，配備32隻逆變式弧電源和逆變偏壓，適用於鍍制各種特種單金屬厚膜層或多鐘金屬復合膜層。
分享友人
分享到 Line

分享到臉書