算術無功因數 的英文怎麼說

中文拼音 [suànshùwúgōngyīnshǔ]
算術無功因數 英文
arithmetic reactive factor
  • 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
  • 術 : 術名詞1. （技藝; 技術; 學術） art; skill; technique 2. （方法; 策略） method; tactics 3. （姓氏） a surname
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 功 : 名詞1 （功勞） exploit; merit; meritorious service [deed]: 戰功 military exploits; 立功 render me...
  • 因 : Ⅰ動詞[書面語] （沿襲） follow; carry on Ⅱ介詞1 [書面語] （憑借; 根據） on the basis of; in accord...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 算術 : arithmetic figure; arithmetic
  • 無功 : [電學] idle; idle work
  1. Aiming at the fact that power factor of low - voltage power equipment is very low in china and application condition of fieldbus technology in the world, based on enhancing power factor of ac motor, lowering losses of the reactive power, improving power quality, therefore, it is of great significance and practical value to research the reactive power compensation by applying the technology of fieldbus, computer and power electronics

    針對目前國內低壓設備用電負載功率因數偏低和國內外現場總線技術的應用現狀，基於提高交流電機的功率因數、降低無功功率損耗和改善電能質量，本文綜合運用現場總線技術、計算機技術和電力電子技術對交流電機無功功率補償的有關方面進行了研究，其研究成果具有一定的理論意義和實用價值。
  2. Reactive power are calculated using the new algorithm. on the basis of analyzing different kinds of control strategies of var compensation, the paper applies the criterion of voltage and var to control switching and illustrates a improved mode of switching capacitor which can prevent the switched - capacitor from the impacting of instantaneous rush currents by means of zero - crossing triggering of scr components, and can realize auto - tracking var and auto - switching shunt capacitor bank. initial operating parameters are stored in information flash memory of the mcu using flash self - programming technique in order to decrease complexity of the circuit and improve stability

    高壓智能無功補償控制器以flash型16位單片機msp430f149為控制核心，採用了一種相角實時測量的新演算法，並在此基礎上計算出了功率因數、有功和無功，減少了運算量提高了精度；在分析了各種無功補償控制策略的基礎上，以母線電壓和無功功率復合判據控制投切，並提出一種改進的電容器投切方式? ?暫態投切控制晶閘管過零觸發，避免了電容器投切時的電流沖擊；穩態運行時接觸器替代晶閘管，實現無功補償的自動跟蹤和電容器的自動投切，解決了投切時的暫態電流沖擊和穩態時可靠運行的難題；控制器的原始運行參數採用flash自編程技術，將其保存在msp430f149片內的信息flash中，簡化了硬體電路，大大提高了系統的可靠性。
  3. Based on the large disturbance equation and using the measured power angle as an observation argument in an identification algorithm, the electrical parameters and mechanical parameters are obtained. in this thesis, micro - computer testing systems for synchronous generator is analyzed. withmcs - 196 series single chip micro - controller of high price performance ratio, a high precision, intelligent instrument for automated testing has been developed

    設計了同步發電機參數測試儀器，完成了利用發電機定子電壓電流的波形，辨識發電機參數的計算機軟體，該裝置運用鎖相環技術自動跟蹤和獲取電量頻率，進行交流采樣，利用傅立葉演算法求得電量基波的幅值、有效值，從而可獲得三相有功功率、三相無功功率以及功率因數。
分享友人
分享到 Line

分享到臉書