power regulating system 中文意思是什麼

power regulating system 解釋
功率調節系統
  • power : n 1 力,力量;能力;體力,精力;(生理)機能;〈常 pl 〉才能。2 勢力,權力,權限;威力;政權;權...
  • system : n 1 體系,系統;分類法;組織;設備,裝置。2 方式;方法;作業方法。3 制度;主義。4 次序,規律。5 ...
  1. A closed pulse width modulation ( pwm ) regulating speed system for dc servo - motor is presented, it is composed of avr microcontroller, pwm power driver, unit of speed detection using encoder and a serial communication interface, etc. fuzzy pid algorithm is employed to control the speed and position of wmr. the method can solve effectively some problems such as the uncertainty of wmr ' s model, the varieties demand, the change of situation

    其次,設計了基於avr微控制器( at90s8515 )的移動控制系統,其中主要包括pwm功率驅動、測速單元和串列通訊模塊等:對機器人速度、位置控制採用模糊pid演算法,較好地克服了移動機器人模型的不確定性、轉速位置控制要求的多變和環境改變等因素的影響。
  2. Application of igbt - pwm speed regulating system in power towing of machine tool

    調速系統在機床電力拖動中的應用
  3. Analyze item by item the position of unintact cycle, the running clearance of unintact cycle, locking - deform, datum dimension regulating, repeatly install, power voltage wave and marking running etc. at the same time, we give the calculating formula to calculating the running marking random error, and use it to calculate the system error of big diameter measure instrument - - datum dimension frame error, gyro - wheel diameter error, error caused by circumstance temperature, error caused by backing distance, angle error, delay error of data collecting circuit, lathe main shaft running error, workpiece install partial error

    對不完整圓的位置、不完整圓的轉動間隙、鎖緊變形、基準尺調整、重復安裝、電源電壓波動、標記轉動等隨機誤差進行了逐項分析,並給出轉動標記隨機誤差的計算公式。對大直徑測量儀的系統誤差?基準尺尺架誤差、滾輪直徑誤差、環境溫度引起的誤差、後退距離引起的誤差、角度誤差、數據採集電路延時誤差、車床主軸回轉誤差、工件安裝偏心誤差分別進行了計算,最後對誤差進行合成。
  4. Section iii proposes a possible organization of a reactive power market, a regional reactive power market established according to the distribution of the load and the reactive supply. the regional reactive power market is composed of a reactive energy market based on marginal pricing and a reactive capacity market based on a reactive regulating capacity payment. the cases in section iv, based on the market organization proposals and the reactive bid structure previously presented, performed on a five - bus system and the ieee 14 bus system, are used to analysis the effects of active bid, voltage control and power factor on the reactive marginal price

    本文首先回顧了電力市場發展的歷史和現狀;然後對市場中的定價方法和無功輔助服務的內容及特點進行了總結,並介紹了一些國家的無功輔助服務市場模式和交易方法;接著立足我國國情,提出了單邊開放電力市場下的無功市場框架:即根據負荷和無功源的分佈特點建立區域無功市場,各區域無功市場又由相應的無功電量市場和無功容量市場組成;並提出了該無功市場模式下的機組報價模型和基於報價的以系統總購電費用最小為目標的無功電價計算方法;最後用一個5節點系統和ieee14節點系統進行了實例分析,初步研究了發電機有功報價、系統電壓控制以及負荷功率因數對無功電價的影響,得出了一些有借鑒意義的結論。
  5. The self - supported flow regulating valve can be approach to eliminate the water power maladjustment in city heat supply system meanwhile realize energy saving

    供熱系統中的水力失調與自力式流量調節閥的應用
  6. In this paper according to the design scheme of yao heba power station in nan yahe river, the mathematical model with longer and complicated conduit system, elastic water hammer and pid regulating low of voter turbine adjusting system in the case of the small fluctuation has being built, which include conduit system, surge tank, draft tube, water turbine, generator and governor. the hydraulic losses are taken into account, and nonlinearization in water turbine and the governor is also taken into account

    本文根據南椏河姚河壩水電站的設計方案,對水輪機調節系統,按長引水管道復雜引水系統、彈性水擊、調速器為pid調節規律,在小波動情況下,對包括引水道、調壓井、尾水管、水輪機、發電機、調速器在內的水輪機調節系統建立數學模型,並計及引水管道水力摩阻損失,對水輪機、調速器考慮了其中的非線性,利用功能強大的matlab軟體編制了源程序進行計算機模擬計算。
  7. We discussed the four - legged inverter with space vector modulation ( svm ) to aim at three - phase four - line output ; we introduced the principle of three dimensions svm, and attained the related control scheme. with the illustration of 15kva vscf power inverter, we tested and verified that the inverter system under 3d svm control can realize the three phase four line output and linear voltage regulating

    針對三相四線輸出的電源系統,對採用空間矢量控制的四橋臂逆變器進行了深入研究,對三維空間矢量調制方案進行了分析求解、模擬,並給出了適用於15kva變速恆頻電源變換器的解決方案,實現了變換器的三相四線輸出以及線性調壓。
  8. A system with repmsm ( rare earth permanent magnet synchro - nous motor ) as executing motor is presented in this thesis. the hardware platform for the ac speed regulating system is based on tms320f240 dsp controller and uses ipm ( intelligent power model ) as the power device in the invert circuit

    系統選用正弦波永磁同步電動機為執行電機,以ti公司的tms320f240dsp晶元為控制核心,以智能功率模塊( ipm )為逆變電路功率開關器件,構成交流調速系統的硬體平臺。
  9. In technique rebuilding of system, discharge curve of ni - mh battery was measured, and power supplies in uav were improved. the security, adaptability and efficiency of miniature aerial rs systems could be improved obviously by microwave video transmission system and self - regulating blocking net in landing

    在對系統的技術改造中,測定了ni - mh電池組放電曲線,對無人機機載電源做了改進,配合加裝的微波視頻傳輸系統和自行研製的降落阻尼攔阻網可以大大提高無人機航空遙感系統的安全性、適應性和作業能力。
  10. The implementation of new project will fairly play a important role in regulating peak and frequency in northwest power system

    新方案的實施,將充分發揮安康水電站在西北電網中承擔調峰、調頻的重要作用。
  11. Finally, a comparison experiment is performed between the speed regulating system this paper designed and the speed regulating system of nbc - 350 welding power source. the result indicates that the system this paper designed has good dynamic stability and control accuracy

    最後,對本文設計的送絲機調速系統與nbc - 350焊機的調速系統進行了對比試驗,試驗證明本文設計的調速控制系統具有良好的動態穩定性和良好的控制精度。
  12. When referred to the manners of take - over, both have it ' s differently important aspect the main matter of the former is mat transaction of holding power will influence others " benefit, so we must normalize two parties " deed of transaction and improve independent board member system, for regulating tender offer, we must keep message open and equal treatment among shareholders, then we can improve system of part and compulsive tender offer

    協議收購的主要問題在於控股權的轉讓行為會影響各相關主體的利益,應著重規范控股權轉讓方與受讓方的行為,並健全完善獨立董事制度;要約收購則應在確保信息公開與股東平等待遇的前提下,完善部分要約收購與強制要約收購制度。
  13. In power decentralized system, there are not pump / fan installed in main pipe, but also in branches, using the variable speed control to regulating the flow, valve energy consumption can be reduced or avoided, but the investment is higher and control is complicated

    動力分散系統不但在系統的母管上,而且在各支路上設泵(或風機) ,並實行變速控制以調節流量,可以減少乃至消除調節閥能耗,但投資增大,控制復雜。
  14. Abstract : according to the load of tripping, driving system of dri ll should have rigid output performance and regulating performance approximate to constant power

    文摘:根據升降鉆具的負載特點,動力驅動系統必須具備的2個基本特性是硬的機械特性和近似恆功率的調速特性。
  15. Along with the raising of parameter and the increase of unit capacity, it is more and more complex to start and run, the safety of unit also becomes more and more important the mechanical regulating system of fluid pressure type that adopts always can not be already complete to satisfy the requirement of production, especially the generation set of large scale power plant

    隨著機組容量的增加和參數的提高,啟動和運行變得越來越復雜,機組的安全性也變得越來越重要,一直採用的機械液壓式調節系統已不能完全滿足生產的要求,特別是大型火電發電機組的要求。
  16. 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。
  17. Also ac exited generator have many excellent characteristics, it may improving the stability of electric power system, its rotor speed may adjustable, it have abilities for active and reactive power regulating in self - help ways, it not lose steps even when operated in deep lead phase, so it especially applied in wind electric power plant and pumped - storage hydraulic power plant

    交流勵磁發電機作為發電機運行的風力發電系統,利用變速恆頻技術后可大大提高風能的利用率。交流勵磁發電機可改善電力系統穩定性,轉子轉速可變,具有獨立的有功無功調節能力,可以深度進行運行而不失步,特別適用於風力發電、抽水蓄能電站等場合。
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