asynchronous circuit 中文意思是什麼

asynchronous circuit 解釋
非同步電路
  • asynchronous : adj. 1. 時間不一致的,不同時的。2. 【電學】異步的。
  • circuit : n 1 (某一范圍的)周邊一圈;巡迴,周遊;巡迴路線[區域];迂路。2 巡迴審判(區);巡迴律師會。3 【...
  1. The theories and design principles of each circuit of the spwm three - phase frequency inverter experiment unit are in detail introduced in this thesis. at the same time some experiment results are shown that include the output voltage and current waves when the load is in resistivity, inductivity or asynchronous motor

    文中詳細介紹了spwm三相變頻實驗單元所包含的各電路環節的理論基礎及設計過程,並給出了調試結果,如負載為阻性、感性和異步電動機時,實驗單元輸出的電壓和電流波形。
  2. The product adapts to single - phase asynchronous motor and three - phase asynchronous motor, which is supplies with single - phase power and the frequecy is blew 100hz. it is specially used for supplying leading current for elecrtomtor, and then the electromotor is actuated with the adeqate moment consequently. and when the electromotor runs smoothly, the capacitor will disconnect from the circuit. the product possesses stable capacity and long relative runtime

    1 .用途及特點適用於100hz以下單相異步電動機和單相電源供電的三相異步電動機,專門用於向電動機提供超前電流,使電動機獲得足夠的力矩而起動。
  3. Asynchronous transmission sequential circuit

    傳送信號減衰
  4. Asynchronous sequential circuit

    異步時序電路
  5. 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。
  6. The single - chip microcomputer control technology has been applied in the system to carry out monitoring and protective functions for the asynchronous motors controlled. combined with suitable peripheral interface, disposition and flexible software, the mcs can measure the current and voltage signals of the motors. based on the measurements, the computation, judgment and decision are made to implement the phase sensitive short circuit, overload, supply over - voltage, supply under - voltage, over - thermal, leakage lock - out and loss of phase protective function

    系統採用單片機控制技術,完成所控制電動機的控制功能,並對所控制電動機的電壓、電流等信號進行檢測、計算、判斷和處理,實現短路、斷相、過載、欠壓、過壓、過熱、漏電閉鎖等保護功能,並提供本質安全型輸入、輸出介面,能與煤礦井下監測監控系統聯網運行。
  7. A practical digital logic electric circuit of phase failure and phase stagger protection for three phase asynchronous motors

    一種實用的三相異步電動機斷相錯相保護數字邏輯電路
  8. A novel parameter calculation method for asynchronous motor ' s equivalence circuit

    異步電機等值電路參數計算的一種新方法
  9. D. c static measurement for equivalent circuit parameters of double squirrel - cage asynchronous moter

    直流靜測法在雙鼠籠型異步電動機等效電路參數中的應用
  10. The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced

    論文第二章首先簡單介紹了交流異步電動機變頻調速技術的發展概況,在回顧電梯液壓控制系統節能技術的基礎上,介紹了本課題研製的「採用蓄能器的液壓電梯變頻節能控制系統研究」的基本原理,分析了動力系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式;詳細地介紹了本課題節能系統液壓動力泵站的結構設計和參數設計,重點研究了液壓動力泵站的結構設計、液壓泵馬達可逆性問題及其選型設計計算、蓄能器迴路泄漏油損失機理的研究及其補償裝置的設計、蓄能器-泵馬達壓力能量轉換裝置的設計、多功能集成控制閥組的設計等內容;最後簡單介紹了本課題矢量控制變頻控制櫃的外部附件電氣接線、計算機控制及數據採集系統的硬體設計等內容。
  11. The whole part of the data acquisition is build in a computer as two data acquisition cards. they are front card and rear card. the front card composed of four modules. they are : coin circuit module, data flow controller module, sdram array module and system bus interface module. the rear card composed of four odules. they are : asynchronous serial port interface module, adc control odule, ecg signal process module and gate control data produce module

    數據採集模式實現部分的大部分工作是在前面板上完成的,後面板主要是一些外圍電路。前面板採集卡上從物理上來說主要有四塊電路:符合電路,數據流控制器電路, sdram陣列和系統總線介面電路組成。後面板採集卡從總體物理上主要有四塊電路組成: 485串列通信電路, adc控制電路,心電數據處理電路和門控信號產生電路。
  12. Electronic soft starter is a kind of novel motor control device which can implement the soft - start, soft - stop and energy - saving of the asynchronous motor. compare in the traditional motor starter, it has outstanding advantages such as stepless regulation of the motor start, avoid the inrush of the torque and the current, and reliable protections, convenient operation and starting repetitively. so the paper aim at electronic soft starter, asynchronous soft starter of electrical machinery electron as research object, study it ' s high - performance soft starting technology - torque control soft - start, develop its realization circuit

    異步電動機電子軟起動器是一種集電機軟起動、軟停機、輕載節能和多種保護功能於一體的新穎電機控制裝置,相比于傳統的起動器,它突出的優點體現在能夠連續無級的調節電機起動、沖擊轉矩和沖擊電流小、控制簡便、起動重復性好以及體積小等方面,本文以異步電機電子軟起動器為研究對象,研究高性能的電機軟起動技術- - -轉矩起動方式,並研製其實現電路。
  13. There are also the power - on circuit for gsm module, indication circuit, the uart to pc, etc. the mcu program, written with c51 language, include gps position, alarm of dilapidation, asynchronous communication and sms, clock management, etc. after development, the mts " capability had been tested

    另外還包括gsm的開機電路,指示電路,與pc相連接的串口等等。單片機軟體選擇了c51語言進行設計,包括gps觀測、崩塌傳感器報警、異步通信和短消息、時鐘管理等模塊。在完成終端的研製后,對儀器的性能進行了檢測。
  14. The risky phenomenon of the electric potential sequential asynchronous circuit

    電位異步時序電路的冒險現象
  15. Secondly, a series of novel detection schemes are presented creatively. furthermore, this paper proposes the joint detection scheme for rotor bar breaking and stator winding inter - turn short circuit fault in squirrel cage asynchronous motors, for the first time. meanwhile, a parameter identification technique based approach to detect stator / rotor over - heating fault is also presented

    在此基礎上,提出了異步電動機轉子斷條與定子繞組匝間短路故障檢測新方法;首次提出了籠型異步電動機轉子斷條與定子繞組匝間短路故障聯合檢測方法;基於參數辨識技術,提出了異步電動機定轉子繞組過熱故障檢測新方法。
  16. According to the safety requirements of underground electrical equipment, an excellent intrinsically safe pilot circuit is designed, the fault characteristics and protection principle of asynchronous motor with single speed and double speed used in underground are simultaneously analyzed, the function parameters corresponding to the fault protections for high capacity motors are determined. at the same time, module program design method and compiled monitoring program and function subprograms are emphatically described

    根據礦井生產安全要求,設計了性能優良的本質安全型先導電路,分析了單速異步電動機和雙速異步電動機的各種故障特徵和保護原理,確立了每種故障保護的動作指標,介紹了結構化程序的設計方法,設計了監控程序及各功能模塊程序。
  17. The power circuit of the system adopts the voltage frequency conversion structure of ac - dc - ac, and is composed of the commutation circuit, filter circuit and intelligence power module ( pm15rsh120 ). control circuit takes the dsp chip tms320lf2407 as core, including the pwm signal occurrence circuit, detect circuit of stator current and direct current voltage of generatrix, drive circuit of intelligence power module, detect circuit of speed, protect circuit of system etc. all of this builds the full digital vector control system of asynchronous motor

    該系統的功率電路採用電壓型的交-直-交變壓變頻結構,由整流電路、濾波電路及智能功率模塊ipm ( pm15rsh120 )逆變電路構成;控制電路以dsp晶元tms320lf2407為核心,加上pwm信號發生電路、定子電流檢測電路、直流母線電壓檢測電路、智能功率模塊驅動電路、速度檢測電路、系統保護電路等,構成了功能齊全的異步電機全數字化矢量控制系統。
  18. To reduce the high starting current as asynchronous motors start up directly and eliminate the negative influence that brought about by switching of contact when it starts up with reduced - voltage means, two new methods based on power electronics technology for improving the starting characteristics of three - phase induction motor are presented. one is alternative voltage regulator, the other is alternative voltage chopper. the three - phase regulating circuit - asynchronous motors system and the three phase chopper circuit - asynchronous motors system are analyzed and simulated with matlab

    為解決上述問題,本文提出一種基於斬波方式的三相交流異步電動機的軟起動新方法,論文對電路的起動特性、功率因數、諧波以及控制策略進行了研究,模擬結果表明這種基於斬波方式的三相交流異步電動機的軟起動方法比基於三相交流調壓的三相交流異步電動機的軟起動方法具優越性。
  19. Abstract : analyzed mechanics for vibration of photoelectric encoder and its influence, introduced the ordinary method for vibration - reduced, based on this, a new designing method for vibration - reduced of photoelectric encoder is put forward based on asynchronous - circuit designed, and a application - example is given

    文摘:分析了光電編碼器的振動機理及影響,介紹了目前使用的減振方法,並在此基礎上,提出了一種基於異步邏輯設計的光電編碼器減振電路設計方法,給出了其具體的應用事例。
  20. By far the most popular serial interface between a computer and its crt terminal is the asynchronous serial interface, and between a circuit switch and its telephone terminal, the synchronous one

    在計算機與其顯示終端之間最為常見的串列介面是異步串列介面,而在電路交換機與其電話終端之間最為常見的串列介面是同步串列介面。
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