ac machine 中文意思是什麼
ac machine
解釋
交流電機-
In contrast to traditional synchronous motor of electrical excitation, permanent - magnet synchronous motor ( pmsm ) has more advantages, especially the occasion that requires high precision of control and high reliability, such as avigation, numerical control machine tool, processing center, robot and so on. in addition, it plays an important part in ac motor in modem times
與傳統的電勵磁同步電機相比，永磁同步電機具有許多優良的特性，尤其是在要求高控制精度和高可靠性的場合，如航空、數控機床、加工中心、機器人等方面獲得了廣泛的應用，在現代交流電機中也佔有舉足輕重的地位。 -
This paper theoretically analyses the armature current and magnetomotive force in ac exciter of brushless synchronous machine with rotating rectifier. under the normal or fault conditions of rotating rectifier, the mathematical expressions of the armature current, the m. m. f and induced electromotive force are approached
本文通過對旋轉整流器在正常與故障狀態下的交流勵磁機電樞電流和電樞電勢作了初步的理論分析，推導出旋轉整流器在正常與故障狀態下電樞電流、空間諧波合成磁勢及其感應電勢的數學表達式。 -
It adopts computer digital controlled system plc orientation mo dule touch scerrn to control, realizing x z w axis direction s precise orientation by ac servo system. in actual operation, just put the glass on the transmission belt, input drilling position data on the screen, press the start button, the machine will automatically position itself and finish all drilling operations, and automatically stop when the works is completed. this machine s two group drilling heads can work at the same time, one group drilling head is also ok. this machine has high drilling efficiency and accurate position, is an ideal choiceness equiment of scree - wall glass and other large specand volume production glass drilling
該機採用計算機數控系統plc定位模塊觸摸顯示屏控制，由交流伺服系統實現x z w軸三個方向的精確定位。操作時只需將玻璃放在傳送帶上，在顯示屏上輸入鉆孔位置，按啟動按鈕，自動定位鉆削所有孔位，完成工作后自動停機。本機兩組鉆孔機頭可以同時工作，也可以單組機頭工作。 -
The machine is equipped with imported all - digital ac frequency converter system, high control accuracy and smooth running
電機控制配備進口全數字式交流變頻控制系統，控制精度高，機器運轉平穩。 -
The design adopts ac sample method to get 3 - phase voltage and current samples. the design computes three basic electric parameters according the sample values and monitors the voltage and current of pumping machine with keyboard and lcd
對抽油機工作電壓、電流進行數據採集，用方均根值法由交流采樣值計算三個基本電參數，並通過lcd和鍵盤進行隨時的監測。 -
The machine is equipped with 8 sets of numerical ac servo systems and motors as well as floor structure of 3 guide lights controlled by step motor
本設備採用8套數字交流伺服系統及電機，採用落地式、步進電機控制的三激光燈標結構。 -
And lpmsm using high energy permanent magnet has strong electromagnetism thrust, lower cost, small electrical time constant and rapid response etc. using linear permanent magnet synchronous ac motors as driving parts in gantry - moving type milling machine is first proposed in this paper, to bring their high - speed dynamic response ability into play for further realizing rapid synchronism
因此，本文提出了在龍門移動式鏜銑床同步傳動的驅動元件中採用永磁直線同步電機，以發揮其高速的動態響應能力，快速實現同步。本文提出將解耦控制方法應用於龍門移動式鏜銑床的同步傳動中。 -
Space vector control according as ac induction motor two - axis theory speed separates the stator current into two components. one is the torque component ; the other is the flux component. a structure similar a dc machine structure where torque and field can be controlled independently is given
矢量變換控制是以交流電動機的雙軸理論為依據，在同步旋轉坐標系中把定子電流矢量分解為兩個分量：一個分量與轉子磁鏈矢量重合，稱為勵磁電流分量；另一個分量與轉子磁鏈矢量垂直，稱為轉矩電流分量。 -
With the development of science and technology more attentions have been concentrated on the performance analysis of the following systems : variable speed drive system of ac machines with power electronics and control devices, power energy system composed of ac machines and power lines, electric machine system consisting of ac machines and excitation control devices
隨著科學技術的發展，交流電機與電力電子及其控制裝置組成的調速傳動系統、交流電機與電力傳輸線組成的電能系統、交流電機與勵磁控制裝置組成的電機系統等的性能分析越來越受到關注。 -
Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed
論文首先分析了風機運行特性及其最佳風能利用原理，通過模擬及實驗驗證了採用直流電機的輸出特性模擬風力機的最大輸出功率曲線的可行性，並給出了模擬系統的硬體結構；然後為了實現交流勵磁發電機有功、無功功率獨立調節機理，分析了交流勵磁雙饋發電機的數學模型和在追蹤最大風能捕獲變速恆頻風力發電時必需的定子磁鏈定向矢量控制策略；針對雙饋發電機轉子能量雙向流動的要求，提出並設計了具有能量雙向流動能力的雙pwm交流勵磁用變頻器；最後為實現從理論到實踐的全面研究，研製出了一套小功率完整的雙pwm變頻器交流勵磁的雙饋風力發電機實驗系統，進行了空載、並網、同步速及上、下的發電運行等一系列的運行實驗；所完成的模擬和實驗研究均驗證了理論、模型和控制策略的正確性、可行性。 -
Model ssj fourshuttled circular loom is specialized for manufacturing polypropylene cylindric sack, which covers little floor area and has the advanced electric control function. it is of high production efficiency, reasonable structure, little wear and tear, and longer usful life. the machine applies ac frequency - converter stepless speed regulating to lift electric machine, and shows the function of automatic halt when silk warp and weft are broken
Ssj型四棱圓織機是生產聚丙型筒狀編織袋的專用機，佔地面積小，整機有先進的電器控制功能，生產效率高，結構合理，磨損小，壽命長，提升電機採用交流變頻無極調速，並具有經、緯絲斷絲后自動停機和顯示功能。 -
It takes much space to expatiates the strong function of the sixteen - bits singlechip which control the winding machine to the whole running. there is a deeper study for the two electromotors ' ( ac main electromotor and step motor ) using and driving circuit for actual winding, . i also expatiated the detect of those signals. the control program which has been compiled and simulated to debug is listed in the end of the dissertation
本文重點闡述了16位單片機在繞線機整體控制中所顯示出來的強大功能，並對用於實施具體繞線的兩個電機（交流主電機和步進電機）的使用與驅動電路作了比較深入的研究，對于信號的檢測有較詳細的闡述，在文末列出了已通過編譯模擬調試的用c語言所編寫的控製程序，並對程序分段進行分析。 -
Improvement of fixing mode for automatic angle regulation machine of ac hoist and safe hoisting
交流提升機給定自整角機固定方式的改進與安全提升 -
This paper mainly focuses on the following three field : system structure, system hw / sw ( hardware / software ) partition. synthesis and verification. and presents a hw / sw co - design method based on ip ( intellectual property ) core. we use this method to design asip, and verify this virtual machine using instruction codes, ac - 3 codes and ts ( transport stream ) flow
本文從晶元系統的整體入手，重點從系統的結構、軟硬體分割以及晶元系統的設計驗證三個方面對該晶元系統的設計做了深入的研究，提出了一種基於ip核的軟硬體協同設計方法，運用該方法對asip進行設計，並採用虛擬機的模型，採用指令集程序、 ac - 3解碼程序、 ts流程序進行模擬驗證。 -
The principle of ac - dc - ac locomotive is that transformer transforms the high single - phase ac voltage from contact system to lower ac voltage first, then rectifier transforms this ac voltage to steady dc voltage, finally converter transforms this dc voltage to three - phase vfvv ac voltage as the voltage source for asynchronous machine
交?直?交型電力機車系統的原理是：先將從接觸網獲得的單相交流高電壓經變壓器降壓后，再經整流器變換為平穩的直流電壓，直流電壓經逆變器變換為三相交流電壓，供給機車輪對上的牽引電機。 -
Electronic no - grade timing, automatic constant temperature, alternating current ( ac ) contactor controlling, direct spray cooling machine, hot air machine which can be adjusted 1 - 3 gear, and it is stabilization and reliable, long life and less noise
電子無級調速，自動恆溫，交流接觸器控制，直射冷卻風機，熱風機可調1 - 3擋，穩定可靠、壽命長、低噪音。 -
Introduction of electric machine control, introduction of power electronics, motor drive and control system, dc motor model and characteristics, dc motor controller design, ac motor model and characteristics, ac motor controller design, stepping motor model and characteristics, stepping motor drive and control
電機系統控制技術概論、電力電子驅動原理簡介、馬達驅動與控制技術、直流馬達構造與特性簡介、直流馬達控制器設計、交流馬達構造與特性簡介、交流馬達控制器設計、步進馬達構造與特性簡介、步進馬達驅動系統及控制技術。 -
On the base of particular introduction of several ac servocontrol technologies, the system adopts the permanent magnet synchronous machine as the driver motor and the permanent magnet brush - less motor as the momentum balance motor. the hardware and software of the system have been designed and debugged on the cpu of special motor controller - tms320f240. the servo driven motor uses absolute situation photoelectric encoder as situation feedback device in order to assure the system precision
論文在分析了幾種交流伺服系統的技術基礎上，對該系統驅動機構方案進行了認真的研究與論證，根據系統的要求和特點提出了永磁同步電機作為伺服電機，永磁無刷直流電機作為動量矩平衡電機的系統設計方案，完成了tms320f240dsp為核心的系統硬體的設計與調試。 -
This system take the industry computer and the programmable controller as a control core, step - motor, the frequency changer and the ac machine does for the execution, matches by the sensor and its the periphery connection electric circuit, formed a pair the closed - loop control system
本系統以工業計算機和可編程式控制制器為核心，步進電機、變頻器與交流電機做為執行器，配以傳感器及其外圍介面電路，構成雙閉環控制系統。 -
The high performance of dc motor can reached by ac machine because of vector control, for which fo is crucial. but fo depends on the correct setting of motor parameters
矢量控制技術要使感應電機達到與直流電機相同的調速性能，準確獲得磁場定向是關鍵，而磁場定向又依賴于電機模型參數的設定。
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