dc generator 中文意思是什麼
dc generator
解釋
直立電機-
The modulating signals of firing delay angle at the rectifier and firing lead angle at the inverter, and the excitation voltage are chosen to be control variables. the offset of the current of dc line and the extinction angle and the power angle of generator are chosen to be control outputs. then a nonlinear controller is designed for the system under study according to direct feedback linearization theory
以整流側觸發延遲角的調節信號、逆變側觸發超前角的調節信號以及發電機勵磁電壓作為控制變量，以直流線路電流、逆變側關斷角以及發電機功角的偏移量作為目標輸出，用直接反饋線性化方法設計了系統的非線性控制器。 -
Be familiar with hv, mv and lv power distribution systems and power factor correction study & harmonic analysis, ups and dc power systems, power fiscal metering, and all necessary calculations to one project including short circuit calculation and protective device coordination study, lightning protection calculation, generator power calculation etc
熟悉項目中的高、中、低壓配電系統和功率因素補償研究及諧波分析， ups和直流電氣系統，功率計量，相關計算（包括短路計算和保護裝置協調分析，照明保護計算，發電機功率計算等） 。 -
Aircraft electrical, electronic engineers, component overhaul, ground starting units for ground power. approved and accredited. generator ac. dc. starter generators
供應飛機電路，電子工程，零件檢修，地面啟動電源設施，直流與交流發電機，發電機啟動器。具備認證。 -
The work principle of dual stator - winding induction generator system, and the researches on practical application of dual stator - winding generator system are analyzed in detail. aimed at the work condition of wide rotor speed and optimization of static reactive power generator ’ s volume, the performance of dynamic state and static state and optimal control of high - voltage dc generator system based on dual stator - winding induction generator, are studied in this paper. these researches not only achieve the work characteristic of dual stator - winding induction generator system, but also set up the foundation of optimal design of dual stator - winding induction generator and engineering realization of dual stator - winding induction generator system used in wind generating
本文闡述了定子雙繞組發電機的基本工作原理，基於matlab軟體建立了定子雙繞組感應電機發電系統的模型，並在此基礎上詳細分析了定子雙繞組感應電機發電系統的工作機理、影響兩套定子繞組容量比的因素等，從而摸清了該系統的特性，尤其是定子雙繞組感應電機高壓直流發電系統在變轉速、變負載下工作的特性，從而為該系統的工程實現奠定了重要的理論基礎。 -
Study on harmonic armature reaction of brushless ac amp; amp; dc generator
直流發電機諧波電樞反應研究 -
The research shows that students misunderstand the relation between force and motion. gravity and action / reaction ; that in dc circuit, students of different age groups have the belief of " consumption of current ", " clashing currents " and " the battery as a constant current generator " ; that in understanding the concepts of electricity students lack th e knowledge of relating the micro with the macro ; and that students have serious difficulties in understanding the propagation of mechanics wave, the speed of wave and superposition, and do not make a distinction between the initial conditions and the medium properties of the system
具體表現在：學生對力和運動的關系、重力和平衡、作用力與反作用力存在一些誤解；對直流電路，不同年齡的學生不同程度地存在電流消耗、碰撞電流、恆定電流源等觀念，而且對電學概念的理解缺乏宏觀與微觀的聯系；學生在機械波的傳播、波速、波的疊加上存在嚴重的困難，對于機械波的傳播學生不能區分初始條件和媒質特性，並錯誤地將動力學某些觀念與機械波進行類比。 -
About the question of regular voltage of generator, we can meet with the requirement by designing dc voltage stabilized power supply
關于發電機的輸出電壓的穩壓問題，採用設計串聯型直流穩壓電源來滿足其電源和穩壓的要求。 -
Bidirectional dc / dc converters will be widely used in applications such as dc uninterruptible power supplies, aerospace power systems, electric vehicles and advanced mobile generator sets
為了實現直流功率的雙向傳輸，雙向dc dc變換器被應用在直流不停電電源系統、航天電源系統、電動汽車及移動發電系統等。 -
The electrical damping within the whole subsynchronous frequency range is calculated. the impacts of the unit interaction factor between hvdc and turbine generator, the dc power level, the firing delay angle and the parameter settings of hvdc controller on the have the potential danger of subsynchronous oscillation
在整個次同步頻率范圍內，計算得到了系統電氣阻尼，並詳盡地分析了同步發電機與hvdc的耦合程度、直流輸送功率水平，換流閥觸發角大小以及控制器參數等因素對系統電氣阻尼的影響。 -
This model is composed of a synchronous generator and two dc motor
以一臺同步發電機作為模擬的電源，兩臺直流電動機作為電動車的后輪驅動電機。 -
General technical specification of high voltage test devices part 1 : high voltage dc generator
高壓試驗裝置通用技術條件.第1部分:直流高壓發生器 -
The signal collecting system of singlechip collects the signals from generator. the paper introduces the every part of the singlechip. the key component is a 8051cpu, its surrounding circuits include dc power source, simulating signal collecting circuit, digital signal collecting circuit, a / d converting circuit, clock generating circuit, counting frequency circuit, controlling circuit, communicating circuit, and some other circuits
前臺單片機採集系統完成對發電機組多信息量的採集，本文詳細介紹了電路設計，系統的核心器件為8051cpu ，其外圍電路包括電源電路、模擬信號採集電路、 a d轉換電路、數字信號採集電路、時鐘發生電路、測頻電路、控制電路、通訊電路等。 -
First, this paper outlines the structure, the basic operation principle, static characteristic and mathematic model of the novel double salient electro - magnetic motor. with the help of matlab, the paper set up the dynamic simulative model of the high voltage dc generating system based on the generator. some examples are simulated on this model
本文首先簡要介紹了新型電勵磁雙凸極電機的結構、基本工作原理、靜態特性、數學模型，利用matlab建立了電勵磁雙凸極高壓直流發電系統的動態模擬模型，給出了模擬實例。 -
Combining the methods of in - phase variable - frequency adjusting speed with brushless dc control, this system makes full use of characteristic of high static precision and dynamic fast response. in the synchronous model, based on the idea of symmetrical svpwm pattern generator using cpld device implementation
本文首先探討了同步電動機調速系統的控制理論，針對本轉速源的設計要求，作者提出了他控式變頻調速與自控式無刷直流調速相結合的調速方案。 -
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。 -
First, variable speed constant frequency wind energy convertion theory is described in this paper, then presents a review on the development of wind turbines control and the main types of generator and static converters used to interface variable speed wind turbines to the electric grid. then discuss main circuit constructure and advantage of direct drive wind energy conversion system and introduce pitch - control method for wind power traction and electric power stability. simply aerodynamic characteristic of the turbine is analysised and permanent magnet synchnonous generator math model is established. to convert the variable frequency electricity into utility grid, back to back four - quadrant pwm - vsi is used and three typies of control strategy is presented to capture the maximum wind energy and transmit energy. then simulation is implemented to test the control strategy. in the following chapter a simple ac - dc - ac converter with a dc - dc boosting chopper is proposed to transmit the wind energy into electricity energy and two control strategy is presented
建立了永磁電機和變流器的數學模型，針對雙pwm變頻器的特點提出了三種控制策略對變流器進行控制，通過變流器交-直-交的變換，將發電機發出的變頻變幅值交流電轉化為可用的恆定頻率的交流電，通過pwm調治能使其輸出功率因數為一，並且該控制系統功率因數為可調，能在特殊情況下同電網交換一定的無功功率，並通過對變流器的控制實現了最大風能俘獲的功能。最後採用matlab / simulink進行了模擬，取得了良好的模擬效果。在風力發電系統中，採用先進的最大功率俘獲演算法，能有效的從風中獲得最大的能量。 -
Because of its unique structure and outstanding characteristics, multiple - channel brushless dc generator which is made up of doubly salient electro - magnetic generator is a new kind of one. it can improve the reliability of the power - supply system for helicopters
由於電勵磁雙凸極電機獨特的結構和優良的性能，所以由電勵磁雙凸極電機構成的多餘度無刷直流發電機是實現高可靠性直升機電源系統較為理想的一種新型無刷電機。 -
A sort of double closed - loop excitation regulator for brushless dc generator used in series hev
一種串聯混合動力車用無刷直流發電機雙閉環勵磁調節器的研製 -
Dc generator regulator
直流發電機調節器 -
Discussion on the integral structure of large dc generator 3500kw and its maintenance
大型直流電動機總體結構和運行維護
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