降壓調節器 的英文怎麼說

中文拼音 [jiàngyādiàojiéqì]
降壓調節器 英文
buck regulator
  • 降 : 降動詞1. （投降） surrender; capitulate 2. （降伏） subdue; vanquish; tame
  • 壓 : 壓構詞成分。
  • 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...
  • 節 : 節構詞成分。
  • 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
  • 調節器 : regulator; adjuster; governor; controller; conditioner; actuator; phaser
  • 調節 : regulate; adjust; monitor; measure; take care of; condition; regulation; adjustment; conditioning...
  1. The algorithm of svpwm that is adopted by the system implements motor speed - regulation by control of magnitude and phase of motor flux. it can generate less harmonics in the output current of power inverter and less losses of ac motor, reduce pulsant component in output torque and raise availability of dc supply voltage

    系統採用的svpwm演算法通過對空間磁鏈矢量幅值和相位的控制來調節電機轉速，減少了逆變器輸出電流的諧波，降低了脈動轉矩，提高了電壓的利用率。
  2. It acts on one of the key regulators of blood pressure by targeting rennin ， and provides significant blood pressure reduction for a full 24 hours and is generally well tolerated

    該藥主要作用於腎素這個關鍵的血壓調節器，並且能夠提供持續24小時的顯著降壓效應，而且耐受性良好。
  3. This paper studies the variable - voltage energy saving theory and its implementation for asynchronous motor with light load, compares several kinds of scheme of improving efficiency in detail and confirms the variable - voltage energy saving method, that is adjusting the input voltage by detecting the iron loss and copper loss of motor directly. in addition, the directness *, simpleness and availability of the method are verified by the emulational experimental results with simulink of the matlab. the circuit of the general inverter based on the tms320f240 dsp was used in this paper, and the practicable program was compiled

    本文分析了異步電動機輕載時降壓節能運行的原理，對幾種提高效率的方案進行了比較，確定了通過直接檢測電動機鐵損和銅損來實時調節輸入電壓以達到高效節能目的的控制方法，應用matlab軟體對系統進行模擬，在基於tms320f240dsp的通用型變頻器上編制了實用化的程序，形成了完整的樣機，對其進行了測試，並給出了試驗結果。
  4. Firstly, the thesis briefly reviews the history of voltage and reactive power control technology, focusing on the defects of the equipment in use. then, with the theoretical analysis and the discussion on voltage and the characteristic of power system as well as the basic principle of voltage and reactive power control, the thesis makes a research on the character of voltage and reactive power control and interprets the controlling regularity of substation. in addition, with the consideration of the changes of transformer tips and the combined influence of capacity groups and reactive power and voltage, the thesis makes adjustment suggestion to the different operating - zones of voltage and reactive power

    本文從降低網損和提高變電站自動化水平著眼，對變電站電壓無功控制應用方面的問題進行了研究，本文首先簡要回顧電壓無功控制的發展概況，著重指出了現有電壓無功控制裝置的缺陷；通過理論分析，在討論電力系統電壓、無功調節特點以及電壓無功總體控制原則的基礎上討論了變電站電壓、無功控制特性以及控制原理，給出了變電站電壓無功的控制規律；考慮了變壓器分接頭的變化及電容器組的投切對無功和電壓的綜合影響，針對電壓、無功的各種運行控制區域給出了相應調節策略。
  5. On account of the disadvantages of the feedback reactive power compensator, a device of its simplified scheme is studied in this paper, in which the reactive power is adjusted by regulating the voltage of the low - voltage side of the transformer

    由於這種反饋式補償方案存在一些問題，本文分析了它的簡化形式，即通過調節降壓變壓器低壓側的母線電壓來調節濾波器的無功出力的補償方案。
  6. In addition, in order to make the pumps realize constant injection pressure, the expert tuning pid vfvs constant injection pressure control sub - system for pumps is established and relevant software module is developed. the sub - system can control automatically the quantity and rotate speed of the pumps running to realize the pumps optimum run according to the seawater injection plan of the oil field, which realizes constant injection pressure, energy saving and decreases the consumption to a large degree

    此外，為平臺注水泵機組的優化運行構建了基於專家整定pid控制的變頻調速恆壓注水控制子系統，並開發了相應的軟體模塊，完全省卻了pid控制器的硬體設備，使得注水泵機組可以根據油田注水量的配注方案優化運行，自動控制注水泵的轉速和運轉臺數，既能實現平穩增壓注水，又能在很大程度上節能降耗。
  7. Melatonin has a simple chemical structure, but it plays a decisive role in bodily functions, monitoring the work of the glands and organs, and regulating hormone production. it also controls over - stimulation of the sympathetic nerves to lower blood pressure and slow the heart rate, thus reducing the impact on the heart. it also alleviates mental stress, improves sleep, adjusts the body s biological clock, relieves jet lag, strengthens immunity, increases the body s resistance to germs and viruses, and prevents cancer and senile dementia

    褪黑激素的化學結構非常簡單，但是在人體內卻具有舉足輕重的作用：它監視著體內各種腺體器官的運作，指揮各種荷爾蒙維持在正常的濃度它可以抑制人體交感神經的興奮性，使得血壓下降心跳速率減慢降低心臟負擔它能夠減輕精神壓力提高睡眠品質調節生物時鐘緩解時差效應，而且具有加強免疫功能抵抗細菌病毒及預防癌癥老年癡呆癥等多種疾病的功效。
  8. Gca silicon commutate battery charger are the ideal portable tools for charging, they are composed with the conditions of voltage dropping through rectifier transformer, then the bridge rectifying of rectification circuit. the output full - wave pulstin current charge the storage battery. the voltage changing composed with multiband switch. the outputcurrent can be adjusted. this kind of product used any moment onctarging anyplace

    Gca系列整流充電機是由整流變壓器的降壓，再經過流電路的橋式整流，輸出全波脈動直流對電瓶進行充電，電壓調速同多頭波段開關組，輸出流可以調節，該產品用任何需要補充充電的場所。
  9. The electric power harmonic comprehensive control system with low cast and high security is applied in this article. it adopts that sourced compensation links with non - sourced compensation herewhich the former is realized by high frequency pwm control technology and the latter is carried out by crystal switch formed by non - flow and over - voltage. it can realize stepless modulation with imaginary power, mightiness compensation of harmonic and negative electricity, and circuitry consumption debasing are achieved

    提出採用有源補償與無源補償相結合的電力諧波綜合治理技術及裝置，無源部分採用無涌流和過電壓的晶閘管控制電容器技術實現，有源部分採用高頻pwm控制技術實現，成本低、可靠性高、可實現無功功率的無級調節、強力補償諧波電流和負序電流，降低線路損耗。
  10. In order to ensure the whole system operate economically, power department equip transformer with onload tap changer and shunt capacitors for most distribution substations, according to the operating condition, adjusting the position of transformer taps and capacitors can control the variation of voltage and reactive power exchanger of distribution substations and power system in certain extent

    為確保整個系統運行經濟性，降低網損，電力部門在大多數變電站配置了有載調壓變壓器和並聯補償電容器組，根據運行情況適當調節變壓器分接頭的位置和投切並聯補償電容器組，可以降低電壓變化和變電站與系統的無功交換控制在一定的范圍內，確保供電質量和電網運行的經濟性。
  11. In this circuit, reference current sources are used to charge and discharge capacitors. this oscillator ’ s output is very ideal through control circuit under 5. 7v reference voltage, and oscillator ’ s frequency and duty - cycle could be adjusted if reference current source or capacitors in the circuit was adjusted. and the changes of temperature and voltage affect stabilize of the frequency little

    此電路利用系統內部基準源產生的電流信號來對電容進行充放電，然後經過控制電路作用后，產生的輸出振蕩波形的上升時間和下降時間非常小，更接近理想矩形波形;通過調節基準源電流信號或者電容值大小，可調節振蕩波形的頻率和占空比，同時溫度和電壓的變化對振蕩器輸出波形頻率穩定度的影響很小。
  12. The operating principles of svpwm and associated control algorithms are also covered in the paper. by using svpwm to control the magnitude and phase angles of the spatial voltage vector, the speed control of the drive system in this paper can reduce the output of current harmonics, lower the torque ripple, and improve the energy efficiency

    本文還對svpwm的工作原理和控制演算法進行了研究，控制系統採用svpwm演算法，通過對空間電壓矢量的幅值和相位的控制來調節電機轉速，減少了逆變器輸出電流的諧波，降低了脈動轉矩，提高了電壓的利用率。
  13. The new unit has following technical features : ( 1 ) the unit ' s load is balanced by means of the accumulator and hydraulic cylinder with special structure ; ( 2 ) the installed power of the unit can be reduced greatly by adopting the accumulator ; ( 3 ) variable frequency speed regulation ensures good energy saving effect, and the closed oil circuit requires less hydraulic oil ; ( 4 ) a bi - directional hydraulic lock in the oil circuit ensures the stability and safety of the operation of the pumping unit

    新型機具有4個技術特點： （ 1 ）由於活塞柱塞式液壓缸的特殊結構和液壓蓄能器的配合使用，在平衡抽油機大部分載荷時，不需另外增加配重，可減小抽油機體積、質量和佔地面積； （ 2 ）抽油機下沖程時，與活塞柱塞式液壓缸相連接的蓄能器吸收能量，上沖程時儲存在蓄能器中的能量補充載荷上行所需的能量，大幅度降低抽油機裝機功率； （ 3 ）利用變頻容積調速節能效率高，閉式油路節省液壓油，同時大大減小液壓泵站的體積； （ 4 ）在閉式油路中採用雙向液壓鎖可使抽油機的啟停更加平穩、迅速，其工作的穩定性和安全性更好。
  14. In recent years, due to continuous improvement of cmos technology and the need for low cost, the maximal allowable supply voltage has been scaled down gradually in the analog and digital integrated circuits. because it can produce variously stable output voltage, regulators have been used in analog circuits widely

    近幾年來，由於工藝水平的提高以及出於降低生產成本的考慮，模擬與數字集成電路的所允許的最大工作電壓將逐漸降低，電壓調節器由於能夠根據需要產生穩定的電壓，已經在模擬與數字集成電路中得到了廣泛的應用。
  15. The algorithm inserts the dynamic voltage scaling code before the condition statements and after the loop statements, which affect the program execution time. the algorithm makes full use of the slack time for the running program and effectively reduces system power consumption

    該演算法在編譯器的幫助下，在條件語句，循環語句等影響程序實際執行時間的控制語句結構中設置電壓調節點，插入電壓調節代碼，從而最大限度的利用了程序運行時的空閑時間，達到了降低系統功耗的效果。
  16. This paper studies on used the ac servo system based on ti dsp ( lf2407a ) and the foc and digital signal processing thorem, achieves following results : algorithm. we employ svpwm ( space voltage pwm ) algorithm, improve the efficiency of the electric source, and decrease the harmonious elements. we build the mathematic model of the system and simulate it on matlab platform, dsigne segmented pid regulator to adapt variable speed and widen the speed range. measurement. the velocity and electric current measuring, we adopt multi - sampling - rate and digital filter principles. as more improvements we make, the whole system gets a good results. pc control. the complete controlling system can be controlled remotely. so we develop the pc controlling program.

    採用磁場定向脈寬調制演算法，提高了電源利用率，降低了逆變電壓的諧波，改善了電機的運行特性，降低了對電網的污染；在matlab平臺上建立了交流永磁同步伺服電機和電壓空間矢量脈寬調制控制系統的數學模型，在模擬的基礎上，對傳統pid調節器進行了改進，提出轉速調節器和電流調節器採用分段pid結構，根據給定轉速所處的區間，自動選擇相應pid調節器的參數，拓寬了調速范圍，提高了控制精度。
  17. A ejector for is applied in this theory. it can not only regulate the evaporating temperature of each high - temperature refrigeratory but also reduce the back - pressure of the compressor when a system applies this theory. at the same time, the exhaust temperature of the compressor becomes low and the refrigerating capacity per unit of swept volume becomes high

    鑒于目前這種現狀，本文提出了以噴射器為基礎的船舶高、低溫冷庫製冷新循環，不但可調節高溫庫的蒸發溫度，而且也可使壓縮機的回氣壓力得到提高，壓縮機排氣溫度降低，單位容積製冷量上升，製冷系數提高，火用效率提高。
  18. Fcd. 3 138g : 4ds outer - thread copper pipe union at both ends of the inlet and the outlet this valve uses the principle of two - stage pressure reducing variation and, when to lower the switch valve, the shock from the water pressure to the valve casing shortens the start time of this valve under the highest medium pressure and makes it with the incomparable superiority of energy saving among the pulse - type electric - controlled valves, combining to increase filtered to regulate the discharge function with machine type

    該閥採用二級減壓變化原理，降低開關閥時水壓對閥體等配件的沖擊，提高電磁閥的可靠性和工作壽命，縮短了閥在最高介質壓力下開啟時間，使其在脈沖式電控閥門中具有無可倫比的節能優勢，並在接線上採用密封插件，並增加了過濾器和機械式調節流量功能。
  19. In the approach, non - load machine switch is replaced by scr controlled by mpu to regulate the temperature. this control precision is greatly improved, and at the same time parameters can be automatically stored and displayed during the manufacturing process, it also included some other auxiliary controlling functions, such as over - temperature alarm, work piece input or output reminding, etc. the fuzzy pid control algorithm consists of fuzzy control and digital pid adjustment

    針對鹽浴變壓器只能進行無載分接、有級調節的問題，本方案採取在變壓器原邊串接晶閘管的方法，將手動轉換的溫度控制，即無載分接開關機械觸點調節電壓改為單片機自動控制晶閘管的導通，將手動控制溫度改為模糊pid控制，從而提高了控制精度，降低了工人勞動強度。
  20. Experimental data indicate control system can correct completion the rise or fall of voltage transformer and the throw or cut of capacitor - group, prevent equipments from frequently regulated and shakes, raise the lifespan of the equipments

    實驗數據表明，將模糊控制引入電壓無功綜合控制中，控制系統能夠正確的完成對有載調壓變壓器分接頭的升降和電容器組的投切，並可以避免設備頻繁調節和振蕩，提高設備運行壽命。
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