電功率系統 的英文怎麼說
中文拼音 [diàngōnglǜxìtǒng]
電功率系統
英文
electric power system- 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...
- 功 : 名詞1 (功勞) exploit; merit; meritorious service [deed]: 戰功 military exploits; 立功 render me...
- 率 : 率名詞(比值) rate; ratio; proportion
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 統 : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
- 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
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According to the system technology require, adopting singlechip realize open loop digital control of hdclsm ; using v / f conversion and complex key - control method realize digital setting of system parameter, such as velocity ; using micro - stepping control insure the motor running more smoothly ; adopting debasing speed control method to eliminate the mechanical impact of distance termination effectively ; at the same time, analyzing main power circuits drive circuit and protect circuit of system, completing hardware design and facture and software programming and debugging ; at last, making a whole test in hybrid rotary step motor. the experiment result indicates that this control system reaches the qualities required and run smoothly also
根據系統技術要求,採用單片機實現了混合式直流直線步進電動機的開環數字控制;利用v f變換和復合鍵控方法實現了系統轉速等參數的數字設定;利用細分控制技術保證了電機運行的平穩性,並進行了波形分析和理論研究;採用單片機軟體降速控制策略解決直線步進電機行程末端的機械沖擊問題;同時對主功率電路、驅動電路和系統保護電路進行了分析,完成了硬體設計、製作和軟體編程、調試,最後在混合式旋轉步進電動機上進行了全面測試。Monitor apparatus can measure valid value of three phase voltage and current, power factor, three phase disequilibrium, instant flecker of short time and harmonic without twenty, degree and harmonic distortion total. the paper are laid on the following. ( 1 ) master plan and function of circuit, ( 2 ) hardware design including circuit and principle of a / d conversion, phase lock, liquid crystal display and keystroke and so on, ( 3 ) design of system software including digital filtering, fft, a / d conversion and monitor interface of pc, ( 4 ) system test
監測儀能夠完成包括三相電壓、三相電流的有效值、功率因數、三相不平衡、電壓短期閃變、以及20次內的諧波、諧波相位、諧波失真總量等的測量。論文重點介紹了以下幾部分: ( 1 )電路的總體設計和功能; ( 2 )硬體設計,包括a d轉換、鎖相環、液晶顯示和按鍵輸入等原理和電路。 ( 3 )系統軟體設計,包括a d轉換、 fft 、數字濾波等程序的原理和演算法以及上位機監控界面的設計; ( 4 )系統測試。Measurement system of sonar electric power with dsp
的聲納電功率測量系統Analog integrated circuits for telecommunications and power electronics applications ; power management integrated circuits and systems
供電信及功率電子應用的模擬集成電路;功率集成電路及系統Development of electromechanical actuation system for flight control is one of the most important technologies in the path to all - electric airplane
摘要飛行控制中機電作動系統的發展是全電飛機的重要技術之一,而高速大功率密度的無刷直流電動機是其中的關鍵部件。At the same time, the control circuit must realize power regulating of the rectifying circuit and the inverter circuit and keep some parameters impervious to the interferer. this paper has researched high frequency solid induction heating power supply
同時,控制電路必須對整流電路、逆變電路等系統主電路部分進行功率控制,使在各種擾動下維持系統各參量不偏離其設定值。Photovoltaic systems - power conditioners - procedure for measuring efficiency
光電系統.電功率調節器.測量效能方法Supported by heilongjiang province natural science foundation projects " research on the errors mechanism of time division a. c. power measurement " ( no. e9719 ), " research on theory of analog digital mixed sampling power energy measurement " ( no. e01 - 15 ) and foundation for university key teacher by the ministry of education " the research on the low audio frequency a. c. power measurement smart instrument " ( no. 1087 ), in this dissertation it is made that a systematic and deep study on power measurement model errors and instrument errors about analog sampling, digital sampling and mixed sampling measurement, and fully experiments about mixed sampling measurement
本學位論文在黑龍江省自然科學基金資助項目「時分割交流功率測量原理誤差產生機理的理論研究」 (編號: e9719 ) , 「模擬數字混合採樣功率與電能測量的理論研究」 (編號: e01 - 15 )和教育部高等學校骨幹教師資助計劃項目「中頻電功率測量智能儀器的研製」 (編號: 1087 )的資助下,以電功率模擬采樣測量、數字采樣測量和混合採樣測量方法為對象,對電功率測量的原理誤差和儀器誤差進行了系統和深入的理論研究和有關的實驗研究。Overvoltage protection for photovoltaic power generating systems ; guide
光電功率發生系統過壓保護.導則Overvoltage protection for photovoltaic power generating systems - guide
光電功率發生系統過壓保護導則Overvoltage protection for photovoltaic power generating systems. guide
光電功率發生系統過壓保護.指南High - power brushless motor drive is required in one “ 863 program ” project
在國家某「 863 」工程項目中,需要研製大功率飛機液壓泵電動機系統。Based on comparison of several motor candidates, doubly salient permanent magnet ( dspm ) motor is a good choice for it ’ s outstanding performance. similar to conventional drive system, dspm brushless dc motor ( dspm - bldcm ) is composed of dspm motor and it ’ s controller. the controller is made up of three - phase full - bridge inverter, driver, dsp control unit and etc. for high power system, every switch of three - phase inverter is actually made up of four mosfets in parallel
在充分考慮國內外不同的液壓泵電動機的基礎上,本文選用了雙凸極永磁電機作為整個系統的電機本體,並配以電動機控制器(控制器包括三相橋式功率變換器、驅動電路、 dsp主控單元、電流采樣及預處理和位置采樣及預處理等主要部分)組成整個液壓泵電動機系統。A current compensation method is presented and realized, which improve the pull - out performance at half - step mode in wider high frequency range for two phase hybrid stepping motors, and the usable horsepower of the system is also increased
給出一種電流補償的方法,使得半步方式運行的二相混合式步進電動機和牽出特性在高頻運行的一定頻段內得以提高,增大了該電動機系統的可用功率。So there are good prospects for alternating current excitation generators. in this thesis, the operation principle of aceg and the excitation control strategy based on dynamical synchronous reference frame are analyzed, the simulation models of the generator and excitation controller are established based on the saber simulator. according to the requirement of aceg, the converter should have regeneration capability, and the input and output currents of converter should be sinusoidal
由於交流勵磁發電機既可能運行於勵磁系統向電機轉子方輸入電功率,也可能運行於勵磁系統將轉子方輸出的電功率回饋給電網,根據交流勵磁發電機系統對勵磁變頻器功率雙向流動及變頻器輸入和輸出電流諧波含量少、諧波幅值小的要求,本文提出採用輸入和輸出性能優良的矩陣式交-交變頻器作為勵磁電源。This text introduces the characteristic concept of turbine control system from two traditional aspects of static and dynamic state, and the characteristics of reheating system and the power - frequency electric liquid control system, and analyzes the difference from the simulated electric control system to digital electric system. this text describes the constitute of deh system from three aspects and analyzes the reliability of deh system
本文從傳統的汽輪機靜態特性和動態特性兩個方面講述了汽輪機調節特性的概念,以及中間再熱式汽輪機調節特性、功率? ?頻率電液調節系統的特點。以陽泉二電廠deh系統為例,從硬體、軟體和控制功能群三部分敘述分析了deh的組成和各部分作用,並對deh系統的可靠性進行了分析。The basic agc roles include : ( 1 ) making generation follow the load change, and holding system frequency on fix value ; ( 2 ) dispatching power to each area, and holding exchanging power on fix value between each area
其主要功能是響應負荷和發電的隨機變化,維持電力系統頻率為規定值,響應各區域分配系統發電功率,維持區域間凈交換功率為計劃值。The power supply system is 380volts, 3 - phase, which is transformed to 485volts, 3 - phase and then rectified, by solid state silicon rectifier modules, to 600 volts dc, the whole system having a capacity of 500kw. this power is connected to the two overhead power lines to supply the needs of the trolleybuses anywhere along the system
架空電纜網路採用三百八十伏特三相之供電系統經升壓至四百八十五伏特,再經矽質整流器調整至直流六百伏特,整個系統之電功率為五百仟瓦。電源接駁到兩條架空電纜供無軌電車使用。Firstly, the characteristics of radiation propagation and attenuation in the atmosphere, and the power response of a contrast - limited optoelectic system are analyzed, the apparent contrast model of a target is developed, and the detection range equation dependent on the aerosol extinction coefficient and range parameter are derived
首先,分析了紅外波段大氣輻射傳輸與衰減、對比度限制光電成像系統功率響應特性,建立了目標表現觀對比度模型,並推導出了由氣溶膠消光系數和距離參量確定的探測距離方程。Tyco electronics is the world ' s largest passive electronic components manufacturer ; a world leader in cutting - edge wireless components and public safety radio systems ; printed circuit boards and power systems technologies ; and a provider of premise wiring components and systems
泰科電子是世界上最大的無源電子組件製造商,並在先進的無線、光纖類和全功率系統產品及技術方面處于全球領先地位,同時還提供布線產品及整體系統。分享友人