恆壓調制 的英文怎麼說

中文拼音 [héngdiàozhì]
恆壓調制 英文
constant voltage modulation
  • : Ⅰ形容詞1 (永久; 持久) permanent; lasting 2 (平常; 經常) usual; common; constant Ⅱ名詞1 (恆心...
  • : 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...
  • : 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. 1 m 0. 5, the phase - shifted angle 6 is controlled in term of sine law which makes the magnitude of resonant voltage track a reference sine voltage, and the resonant voltage is rectified, filtered, inverted and then the better sine - voltage output is obtained, theoretical analysis and experimental results show that for the resistive load and inductive load, the switches of leading leg of the phase - shift - controlled circuit are always turned on at zvs, and ones of lagging leg are turned on at zvs ( < 0 ) or turned off at zcs ( ( > 0 ), moreover, all switches in the low - frequency inverter are always turned on and off at zvs, the measured circuit efficiency for rated load reaches up to 88 %

    從功率單向流動角度出發,提出了一種lcc諧振型頻移相單相高頻鏈逆變電路拓撲,在調系數0 . 1 m 0 . 5情況下,控移相角按正弦規律變化,使諧振電脈沖列的幅值追蹤參考正弦電信號,經過整流、濾波、低頻逆變,從而獲得正弦度較好的輸出電。理論分析和實驗結果證明對于阻性負載或阻感性負載,移相全橋具有超前橋臂零電開通,滯后橋臂或者零電開通( _ 0 )或者零電流關斷( _ 0 )的軟開關特性,而低頻逆變器的各個開關均實現零電條件下的開通與關斷。
  2. The result of the study shows that the electro - hydraulic proportional technology is useful for all - hydraulic operated drilling machine to simplify the operations and composition of system, to improve the level of automatization and efficiency and to reduce the consumption of energy. the result of the study also shows that the system of feeding has the properties as followed : fast respone, stable pressure - adjusted characteristic, distinct effect of energy - saving, some improvement of system efficiency

    研究結果表明:全液鉆機中應用電液比例技術,可以簡化系統組成和操作,提高鉆機自動化水平,提高系統效率,降低發熱和溫升;採用變量泵的給進加電液比例控系統調性能穩定、響應快、節能效果明顯。
  3. They will short down the working life of air compressor because they are always started or stopped when we want to make the railway carriage stay in a fixed temperature. now, automatic and intelligent control systems are being applying in bus air - conditions control. in this way, computers control the work of air compressor, the turnaround speed of fan, the open degrees of wind controlled doors and so on

    我國大多數客車空調仍然採用簡單的縮機開關控及循環離合控系統,如:離合器?熱力膨脹閥系統( cctxv )和離合器?節流管系統( ccot ) ,這些控方式的精度低,當進行溫控縮機處于頻繁的開、停狀態,縮短了縮機的工作壽命。
  4. 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控的變頻調注水控子系統,並開發了相應的軟體模塊,完全省卻了pid控器的硬體設備,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,自動控注水泵的轉速和運轉臺數,既能實現平穩增注水,又能在很大程度上節能降耗。
  5. The result of long - term operation shows that the computer control system is practical and effective, it can run in the optimal state within a long duration to fully realize data collection and process, remote data transmission and vfvs constant injection control of pumps. it speeds up the automatic procedures of the seawater treatment process, really realizes the unmanned working, decreases the physical intensity to a large extent, improves the management, enhances the management level, avoids equipment wear down as much as possible, makes the seawater treatment efficient and lessens the cost of production

    長期的運行結果表明,該計算機控系統的實施切實有效,既成功實現了對被檢測參數的數據採集與處理、遠傳以及注水泵機組的變頻調注水控,又提高了系統的自動化程序,真正實現了無人值班作業,在很大程度上降低了工作人員的勞動強度,極大的改善了現場的管理狀況,提高了生產管理水平,且有效避免了設備損耗,提高了水處理效率,降低了生產成本。
  6. We discussed the four - legged inverter with space vector modulation ( svm ) to aim at three - phase four - line output ; we introduced the principle of three dimensions svm, and attained the related control scheme. with the illustration of 15kva vscf power inverter, we tested and verified that the inverter system under 3d svm control can realize the three phase four line output and linear voltage regulating

    針對三相四線輸出的電源系統,對採用空間矢量控的四橋臂逆變器進行了深入研究,對三維空間矢量調方案進行了分析求解、模擬,並給出了適用於15kva變速頻電源變換器的解決方案,實現了變換器的三相四線輸出以及線性調
  7. This thesis comes from the technological innovation project 2002 in xi ' an. the research is focused on the adaptive hybrid excitation synchronous generator system with constant output voltage. in order to keep the output voltage constant, the adaptive control is introduced in the digital voltage regulator of the generator system

    本課題來源於2002年西安市重大技術創新工程計劃?自適應復合勵磁同步發電機系統的研究,通過採用數字電調節器對復合勵磁同步發電機的自適應控,實現發電機的發電輸出。
  8. In the dissertation, a novel hybrid excitation constant voltage synchronous generator is adopted to improve the system performance, which takes the advantages of both electrical excitation and permanent magnet machines. a parted configuration is presented in order to design the structure of the generator. the adaptive digital adjustment is settled in principle using the single chip microcomputer 80c31 as the control core of the voltage regulator and adopting the proportion - integral - differential control as the control arithmetic, then a sample is made

    論文對同步發電機的工作原理、性能特點、電機本體以及電調節器的硬體和軟體設計進行了研究,針對稀土永磁同步發電機變載、變轉速情況下輸出電不可調的不足之處,採用一種新穎的電機型式? ?自適應復合勵磁同步發電機,綜合了永磁發電機和電勵磁發電機的優點,提出一種磁路分開的結構進行電機本體的設計,並選用單片機80c31作為電調節器的控核心,比例?積分?微分控( pid )作為其控演算法,從原理上較好地解決了其電的自動數字調節,並試了一臺樣機。
  9. After introduce the main technologies of ac regulation speed, the paper deduces in details the voltage space vector pulse width modulation ( svpwm ) technology and svpwm ' s vector selection of constant ratio of voltage and frequency

    本文在介紹了交流調速系統的種種主流技術后,較為詳細地討論了電空間矢量脈寬調( svpwm )技術,並對頻比且為同步調時的svpwm矢量的選擇,進行了細致地推導。
  10. The gpd3402 inverter and plc being selected to set up open - loop and closed - loop speed regulation systems, applying the invariable v / f control, sensorless vector control, slip compensation, process pi and network control technologies control the hoist motor of the stacker crane

    本文基於gpd3402變頻器的變頻調速方式進行應用開發,對堆跺機提升電機採用變頻調速控,採用gpd3402變頻器及plc ,組建開環調速系統,分別應用頻比、無速度傳感器、矢量控、轉差補償控技術。
  11. High resolution digital smps becomes the hotspot in the power supply field. more and more attention has beed payed to how to realize high resolution digital smps, and it has already taken a long step develop. improving the resolution of digital smps by new techniques becomes a forever topic. under the learning of the status and develping trend of smps, considering the practical requirement of task, a control system of smps implemented by microcontroller with high resolution, high speed, high integration is carried out. by combining the embedded system and power electronics, it is discussed that a high resolution smps ’ s output voltage with 0. 01 % resolution pwm wave output, in the basis of microcontroller, and the pwm wave double modulation arithmetic

    不斷用新技術手段實現數字開關電源的高精度是一個永的話題。經過了解國內外開關電源的發展現狀和發展趨勢,結合實際課題的要求,提出了使用高精度、高速度、高集成度的微控器組成開關電源的控系統。討論了將嵌入式系統與電力電子結合,在微控器硬體基礎上通過軟體pwm波雙調演算法輸出高精度pwm波,實現開關電源輸出電的萬分之一精度的方法。
  12. The system is made up of plc, transducer, units of pumps and electromotors, pressure sensor, industrial control computer and console

    變頻調供水自動控系統由可編程式控器、變頻器、水泵電機組、力傳感器、工控機以及控櫃等構成。
  13. Aiming at the problems of the k190jik rail welding machine, that the parameter modification is difficult, the welding process is not enough stability and the welding machine has no on - line diagnosis function, in this paper, the control system of the welding machine was promoted completely adopting the fx2n - 64mr programmable logic controller and the pcl - 1800 data acquisition card, the das ( data acquisition system ) was set up by using labview and visual basic software, the functions of welding voltage stabilizing and adjusting, current controlling and intellectual modification was improved, welding quality diagnosis system was built up, and the assembling and debugging of the control system was completed, including the process experiments

    本文針對k190jik鋼軌焊機控系統存在參數修改困難、焊接過程不夠穩定、無焊接質量在線診斷功能等問題,採用日本三菱公司fx2n - 64mr可編程序控器、研華工控pcl ? 1800數據採集卡等為核心控部件,對焊機的整機控系統進行了全面升級。運用軟體labview和vb開發了數據採集系統,完善了焊接穩調、電流值控與智能調節功能,利用vb建立了焊接質量在線診斷系統,並完成了系統組裝調試與工藝試驗研究工作。
  14. According to the mechanism characteristics of the ac motor, with zero - voltage switching technology, the pdm converter mathematical models both the pwm and rectangular wave control mode are given in this paper. and the voltage and current harmonic analysis and the simulation waveforms of the output voltage, current and power are also described respectively

    根據交流電機在轉矩區和功率區的特性,結合零電開關技術,分別給出相應的脈寬調( pwm )方式和方波控方式下的高頻交流脈沖密度調變頻器的數學模型,電和電流的諧波分析以及輸出電、電流和功率的模擬波形。
  15. A zero - voltage starting method is brought forward which switch the starting from separate exciting to self - exciting successfully ; pll ( phase lock loop ) technology is employed to realize the frequency tracing and constant phase angle control ; igbt driving and protective circuit suitable for parallel inverter is developed, which successfully solve the problem of time compensating and overlapping regulation for the driving signals ; a novel and practical over - voltage protective method for parallel inverters is presented which effectively avoid the possible over - voltage destroy to the inverter. xu haiwen ( power electronics and electric driving ) directed by senior engineer peng yonglong

    提出了一種零啟動的他激轉自激方法;通過採用鎖相環技術實現了逆變器工作頻率的自動跟蹤和容性逆變角度的值控;設計了適用於並聯諧振型逆變器的igbt驅動與保護電路,解決了驅動信號的時間補償以及重疊角的可調問題;提出了一種新穎、實用的逆變器過保護方法,有效地解決了並聯型諧振逆變器過保護這一難題。
  16. Constant stator magnetic linkage control frequency converter includes power devices utilizing igbt, drive circuit using three - phase drive ic with multiple protection functions. pwm signal formation circuit in the way of voltage space vector control and realized with pld ( programmable logic device ) devices and compensation for the influence of supply voltage variation and stator resistance voltage drop

    其中,定子磁鏈控變頻器的設計中主電路採用功率器件igbt ;驅動電路採用三相多功能集成驅動晶元; pwm脈寬調信號產生電路採用電空間矢量控方式,由pld器件實現;對電源電變化及電阻降造成的影響進行了補償。
  17. With the application of real - time multi - tasks mechanism and modulization software structure, the controller can set and modify the parameters on - line, collect and process the real - time data of the four - battery charge / discharge devices, termly and digitally regulate the closed loop and monitor the real - time faults, so that the system can control different styles of charging and discharging operate mode such as in constant current style, constant voltage with limited current style and static style

    器軟體採用實時多任務機和模塊化的設計思想,通過對蓄電池化成充放電過程中工藝參數的在線設定修改、實時數據的採集處理、定時的數字閉環調節和故障的監測,實現對蓄電池靜電、流、限流等多種充放電工作方式的控
  18. On the basis of analyzing status in quo of the waterworks in our country, this paper designs a suit of constant pressure water supply automatic control system by using variable frequency speed - regulating technology based on plc

    本論文結合我國中小城市供水廠的現狀,設計了一套基於plc的變頻調自動控供水系統。
  19. Application of stationary compress control frequency converted regulating speed system for air compressor station

    縮控變頻調速系統在空氣縮機站的應用
  20. The paper has introduced the fuzzy control system ' s structure, working principle and design idea for software, at the same time, the technique of fuzzy control principle associated and serial port active vb as well as variable velocity variable frequency is expounded

    本文介紹了模糊系統的結構、工作原理及其軟體的設計思想,並詳細闡述了有關的模糊控原理和串口控項vb以及變頻調速技術。
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