調速變阻器 的英文怎麼說

中文拼音 [diàobiàn]
調速變阻器 英文
speed adjusting rheostat
  • 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : 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. Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied

    本文針對電站風機性能監測系統研究較少的現狀,在實驗的基礎上分析了現場加裝進氣箱和由於安裝造成的導流葉片開度不一致對風機性能曲線的影響,並在此基礎上採用無節流方法測量流量,以風機調節性能曲線為依據,建立了基於徑向基函數( rbf )神經網路的風機流量全程監測模型;以實驗室4 - 73no . 8d離心風機為研究對象,探討了rbf神經網路差壓模型在導流開度和管網力等工況下的應用精度和誤差分佈規律;最後用visualc + +語言開發了風機性能在線監測系統。
  2. The other is supported by emerson network power co., ltd as an advanced research project. and this paper mainly introduces how to design and realize a four - quadrant running srd system to control a 3kw srm ( 8 / 6 poles ) based on a dsp ( tms320f240 ), which uses h - bridge power convertor and power - consumption braking method

    本文基於省重點科研項目「開關磁電機新型控制及其調系統」和深圳emerosn網路能源公司預研部項目,分析討論了如何設計實現一套以3kw的四相( 8 6極) srm為控制對象以dsp為控制核心採用h橋式功率和能耗制動方式的四象限運行srd系統。
  3. Changing the depth of penetration of the three dowels results in the variation of the reflection coefficient ( s1 1 ) at the port 1. using matlab, we can calculate different equivalent impedance of port 1 which resulted from the variation of dowels depth. the purpose of my work strike up a relationship between the depth of dowels and equivalent impedance at port, thereby accomplish matching rapidly, simultaneously and stably

    在構建了自動抗匹配系統的基礎上,本文提出了一種新的快匹配方法;此方法是將模擬軟體hfss和系統設計相結合,用hfss模擬系統中完成換作用的銷釘匹配,獲得銷釘插入波導深度化時的埠等效特性,並將模擬得到的數據用matlab組織起來,分析銷釘插入波導的深度化時埠等效抗特性的化,來達到對調化規律的認識,快的實現銷釘插入深度與反射系數間的統一。
  4. The tap - changer is made with solid state relay as its working mechanism and controlled by microprocessor. this switch has totally cancelled the mechanical drive organization, by the microprocessor according to the voltage of second side microprocessor decide the working condition of solid state rely, high regulation speed, need not transition resistor, rush current is low. operating frequently ; there is no electric arc to produce, can put in the fuel tank of the voltage transformer directly ; the structure is simple, the fabrication cost is low, benefit and use widely among the voltages transformer of distribution

    其中的有載調壓分接開關,它是一種完全由固態繼電作為分接開關執行機構,由單片機控制的有載自動調壓的分接開關。該開關完全取消了機械傳動機構,由單片機根據二次側電壓的高低,決定與各分接頭聯接的固態繼電的工作狀態。調度快,改分接頭時不需過渡電,沖擊電流小,可頻繁操作;無電弧產生,可以直接放在油箱中;結構簡單,造價低,便於在配電中推廣使用。
  5. Under different conditions, for example, with variable additional resists or system parameters, the system applies the variable structure controller to adjust the speed system with train. the results of simulation show the variable structure control can achieve a fast response, high stability under parametric variations and disturbances, with no overshoot. additionally, it has stability for the adjustment speed of atcs and provides the comfortable speed, for the travelers, and improves the system performance

    採用結構理論分析在不同情況下,如附加化,系統參數化等,模擬滑模結構控制控制的列車自動調控制系統,模擬結果表明,滑模結構控制的列車自動調控制系統能實現度響應快、無超調,系統對參數的攝動和外部干擾不敏感,實現列車自動控制系統的調節的穩定性,保證旅客的舒適,改善了系統性能。
  6. By use plc, system can complete function as follow : this auto - control system be applicable to the temperature and smoke and dust the deal the variety quick, control the process is difficult with the operation is ; by the temperature controlor can automatically follow to the wet tower " exit temperature, error in the ? 3 v including ; by to automatically spray fog to lower the electric resistance, with the function for full the electricity equipment accepting the dust ; because of adopting feedback closed loop, and come to a to respond to the speed quick, constant temprature control the accuracy is high ; because of adopting the sensors, and make the system circumstance to leak water quick ; system have many control parameter can set exit control temperature and adjust value low limit by key ; can communication with remote computer and have remote control

    通過使用plc ,使該自控系統可以完成如下功能:適用於溫度及煙塵量化快、控制過程難以操作的場合;通過溫控表自動跟蹤增濕塔出口溫度,誤差達到3以內;通過自動噴霧來降低粉塵比電,以此充分發揮電收塵的作用;由於採取了閉環反饋迴路,達到了響應度快,恆溫控制精度高;通過使用各種檢測傳感,使得異常情況泄水快;該自控系統具有多套控制參數,增濕塔出口控制溫度及調節閥下限值可通過按鍵設定;可與上位機通訊,具有「現控遠控」功能。
  7. Now it has been used in many fields, such as transportation, aeronautics, electronic household appliances and industries. the modelization and simulation of srd, pseud - sliding mode control ( psm ) and the driver system based on dsp tms320lf2407a are studied in this thesis. the main tasks include : the nonlinear model of the srd is established, the control methods such as pwm is emulated and analyzed

    開關磁電機調系統( srd )將開關磁電機,現代電力電子換技術以及控制技術結合為一體,兼有異步機調系統和直流電機調系統的優點,目前已應用於牽引運輸、航空航天、家用電、通用工業等各個領域內,具有廣泛的應用前景和強大的市場生命力。
  8. In these equipments, the motor driver should provide high performance, small size, and low cost. it is a good solution to integrate the motor driver system. the techniques of integrate the motor driver system is the combination of power electronic techniques with micro - electronics techniques ( integrate the motor driver system by power integrated circuit techniques or by packaging techniques )

    小型電動機調集成化是將微電子技術、集成電路技術、電子系統裝聯技術與電力電子技術相結合,使現在市場上的小型電動機調系統件化、模塊化、高功率密度化、小型化,同時降低調系統的成本,減小或排除長期以來礙了小功率電動機調系統廣泛應用的經濟方面的因素。
  9. Considering the typical nonlinear characteristics of srm drive system which make the constant parameters of traditional controller unable to adapt to the random disturbance parameters in a large scale, the fuzzy control is introduced to improve its performance. a fuzzy self - tuning controller is designed, which can adjust parameters automatically and improve its static and dynamic performance

    鑒于開關磁電動機調系統顯著非線性造成固定參數在常規控制方式下不能很好適應工況大范圍化的問題,引入了模糊控制來改善其性能,設計了模糊自校正控制,實現了參數的在線優化調整,提高了系統的靜、動態性能。
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