整流電機 的英文怎麼說
中文拼音 [zhěngliúdiànjī]
整流電機
英文
commutating machine- 整 : Ⅰ形容詞1 (全部在內; 完整) whole; all; complete 2 (整齊) neat; tidy; orderly Ⅱ動詞1 (整理; 整...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 機 : machineengine
- 電機 : (任何產生和應用電能的機器 特指發電機、電動機) any power generating or power driven machine esp ...
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Commutating electromotive force
電機整流電動勢In this paper, it has been studied by the slope - controlled scr rectifier that external characteristic of welder relate to arc digging action and the strong arc force of arc welding power source in manual arc welding formed
利用一種特製的變結構可控硅整流焊機,研究不同焊機外特性對電弧穿透力的影響;探討了手工電弧焊強電弧力形成機理;並且指出正確設計電源外特性,是獲得較強電弧穿透力的途徑。Rotating electrical machines - part 19 : specific test methods for d. c. machines on conventional and rectifier - fed supplies
旋轉電機.第19部分:通用直流電機和整流器饋電裝置的特殊試驗法Eventually, they discovered that the alternator in the car was operating at a frequency which was a multiple of that of the radio wave being used for communication
最終,他們發現車上的交流電機運行的頻率正好是和交流電波頻率的整倍數Basically learn dc, alternating current way, lighting circuit, distribution circuit, transformer of odd, three - phase, dynamo job principle reachs operation method, the principle maintenance of electromotor of single - phase, three - phase reachs application, low - pressure electric equipment, electric power procrastinates move, electromotor maintains skill, brilliant brake canal can accuse rectification, electrical engineering appearance, the electron controls a technology, circuit of new light source, engine, principle of distribution ark job and installation technology
主要學習直流、交流電路,照明電路,配電電路,單、三相變壓器,發電機工作原理及操作方法,單相、三相電動機的原理維修及應用,低壓電器,電力拖動,電動機維修技巧,晶閘管可控整流,電工儀表,電子控制技術,新光源電路,發動機,配電櫃工作原理及安裝技術等。When there is active power deficiency or line overloaded, linear programming method with multi dispatching strategies is applied to adjust generator output or shed load
當潮流計算結果出現線路過載或有功缺額時,採用線性規劃方法,建立電力系統有功發電再調度演算法,加入了各種優化目標策略,尋找調整發電機出力或者切負荷措施。The characteristics of damping shows that the uncompensated parallel ac transmission line can release the coupling between the hvdc and generator and improve the damping of the system, hence the possibility of subsynchronous oscillation decrease. in such a system scheme, the hvdc system dominates the changes of damping due to the small magnitude of the damping provided by ac line. when the ac transmission line is compensated with a fixed series capacitor, the situation will be totally different
其中,並列運行的無串補交流輸電線路可以緩解hvdc與其臨近機組之間的機電耦合程度,改善hvdc的電氣負阻尼特性,從浙江大學博士學位論文摘要而減輕機組發生次同步振蕩的危險性,此時系統的整體電氣阻尼特性由hvdc的性質決定;但若交流線路中存在串聯補償電容,則系統幅值較大的電氣負阻尼不僅可能使整流站機組發生次同步振蕩,逆變站附近機組同樣存在發生次同步振蕩的可能性,此時系統的整體阻尼特性由串聯補償電容的性質決定。The pulse - width modulated ( pwm ) is the key technologyto acquire the high power factor. the document presents the principle of three - phase pwm, then analyzes and compares the several maturely control methods for pwm
本文將交流電機理論中空間坐標系旋轉變換理論引入到pwm整流器的分析中來,建立了三相pwm整流器的統一的數學模型。Using the digital technology improves the performance traditional thyristor welding machine, according to the characters of the double inverse star from rectifier circuit, set the parameters with micro - controller accurately, design the dependable trigger circuit, lead the feedback of voltage for the operation program, so the voltage of main circuit be carried out very steadily
摘要利用數字控制技術對傳統晶閘管焊接電源進行改進,根據雙反星型晶閘管整流電路的特點,採用單片機進行精確設定,設計了高可靠性觸發迴路,結合電壓反饋進行程序運算控制,實現了主電路輸出電壓的精確調整和可靠運行。The system takes both advantages, the former is fast and convenient characteristics of dasylab in building a control and measure system, and the latter is the powerful program function and abundant control button of labwindows / cvi. it can acquire, analysis and save the real - time data in the experiments of the lim and electromagnet meanwhile, it can control the start / stop of the lim. electromagnet and dc motor, as well as it can control the change of the voltage and frequency of the lim. the exciting windings voltage and rotor windings voltage of the dc motor
整個測控系統利用了dasylab組建採集分析系統的簡單快捷和labwindows cvi豐富的控制項與強大的編程功能,將兩者的優點有機的結合起來,可以完成直線電機及電磁鐵試驗中的數據採集、分析、存儲,並且可以控制試驗中直線電機、電磁鐵、直流電機的啟動與停止,對直線電機繞組電壓、直線電機繞組電壓頻率、直流電機勵磁繞組電壓、直流電機電樞繞組電壓、電磁鐵繞組電壓的大小進行控制。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。Electric resistance welding. machines for electric resistance welding with rectified current. specifications and tests
電阻焊接.整流電阻焊機.規范和試驗Obtaining the way of power source of the strong arc force was clearly shown
最終實現了在可控硅整流焊機上模擬出類似直流旋轉焊機的電弧穿透力。Experiments including resistance load experiment, inverter experiment, dynamic experiment and motor load experiment are carried out with high power supply quality rectifier
建立了一套完整的實驗系統,對高品質整流電源進行了帶電阻負載實驗、逆變實驗、動態實驗和帶電機負載實驗。In this paper, the circuit configuration is ascertained on the basis of analyzing other circuit configuration of welding machine power supply, which links with the characteristics of endless - rolling
本課題在分析了各種次級整流焊機電源電路結構的基礎上,並結合無頭軋制的特點,確定了適合無頭軋制焊機電源的電路結構。Abstract : a simple and high - performance brushless dc generator consisting of a controlled rectifying circuit and permanent magnet square wave motor is presented
文摘:提出了一種可控整流電路,它與永磁方波電機聯合構成一種簡單、高性能的無刷直流發電機。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。Being a bottom deck of a distributed monitoring system, the information collection system accomplishes working status information acquisition such as armature voltage and current of a spindle braking switch, start, halt and brake of a three - phase current motor
整個車間網路層採用分散式監控系統,採集的工作狀態信息有:電錠制動開關的電壓、電流,三相交流電機的啟動、停止和制動,並以此來支持設備診斷工作。Then, the theoretical analysis of the 3 - phase reversible rectifier circuit is performed in detail. after that a 1kw 3 - phase pwm rectifier is designed in theory and hi practical. in the third chapter, the computer simulation based on matlab is carried out through the simulation, a number of simulation data are gained for studying the relation between the circuit parameters and the reversible rectifier characteristics
首先對三相功率因數校正技術作了分析和比較,確定本課題研究的內容,指出其研究價值和意義;然後對三相高功率因數可逆整流電路作了理論分析,並在此基礎上,對一個1kw的三相高功率因數可逆整流電路進行了理論設計;利用matlab軟體,建立了計算機模擬模型,對系統的整流和逆變工作特性進行了模擬研究,得到了各電路參數和控制參數與系統性能之間的關系。The first, the principle of electrical regenerative braking and several control strategies for regenerative braking of this motor were discussed. the second, the control strategy, control logic and influential factors on recovering braking energy were analyzed for ev and hev
首先分析了永磁無刷直流電機的再生制動原理及目前己有的各種電機再生制動控制策略的特點,爾後分析了電動汽車整車再生制動的控制策略、控制邏輯與制動能回收的影響因素。分享友人