reactive power factor 中文意思是什麼

reactive power factor 解釋
無功功率因數
  • reactive : adj. 1. 反動的,倒退的,復古的。2. 反應的;反作用的;反沖的;【電學】電抗的;【化學】反應性的,活性的。reactivity n. adv. -ly ,-ness n.
  • 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...
  • factor : n 1 〈英國〉經銷人;(代客買賣收取傭金的)經紀人;代理商;代辦人;〈蘇格蘭語〉 土地經管人。2 要素...
  1. Intelligent electricity quantity concentration display instrument is a kind of intelligent instrument used to measure combined parameter of ac electricity quantity, which can simultaneously measure each phase electricity parameter in the tri - phase ac loop such as voltage, current, active power, reactive power, apparent power, power factor, frequency, active kilowatt hour, reactive kilovolt ampere - hour and so on

    智能電量集中顯示儀是一種用於交流電量綜合參數測量的智能儀表,它可以同時測量三相交流迴路的每一相電壓電流有功功率無功功率視在功率功率因數頻率有功電度無功電度等參數。
  2. 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。
  3. This equipment is not satisfied with the requestment of reactive power and the improvement of power factor

    研製一種適應牽引負荷特點的新型綜合補償裝置具有重要的經濟意義。
  4. By analyzing the load factor and unbalance factor of distribution transformer, the method of calculating and selecting the low voltage reactive power compensation capacity and compensation equipments, and the connection mode of capacitors were presented

    摘要通過對配電變壓器負載率和不平衡率的分析,提出低壓無功補償裝置補償容量的計算選擇方法和電容器的接線方式。
  5. 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。
  6. This unit is particularly designed for monitoring 400v feeder with backup automatic switch. it could accurately measure and calculate : voltage, current, frequency, active power, reactive power, power factor and energy. when bus gets into trouble, it can perform the function of automatic switching to backup power supply

    該單元是特別針對400v饋線備自投而設計的,它具有測量母線的電壓、電流、頻率、有功功率、無功功率、功率因數以及有功電度、無功電度等電參數的功能;當母線出現故障(過壓或欠壓)時,能夠完成兩組母線的自動投切,即備自投的功能。
  7. A new intelligent power - meter ic - cs5640a is used to sample data in designing, including voltage, current, active - power, power - factor, reactive - power

    在設計中使用新型的智能電表晶元cs5460a作為數據採集晶元,實現了對于電網中電壓、電流有效值等多種電參數的測量和監視。
  8. Electric performance index of the system is given. the ac standard equipment should be 3 - phase output standard resource by which the ac voltage, ac current, power factor, 3 - phase - 3 - line effective power, 3 - phase - 4 - line effective power, reactive power and single phase watt meter, working frequency and phase meter can be examined. the system makes full use of the main computer which has multi function in the examination

    給出了電氣性能指標,交流標準裝置應為三相輸出標準源、使其可校驗交流電壓、交流電流、功率因數、三相三線有功功率、三相四線有功功率、無功及單相電能表,同時可校驗工頻頻率表及相位表,在校驗檢測中充分發揮主機多能的作用。
  9. Based on the tsc reactive compensation equipment, a new low - voltage intelligent controller is designed, which can slove switched - capacitor without instantaneous rush current by means of zero - crossing triggering of scr components, and can realize auto - tracking reactive power, compensating and auto - switching scb. msp430f149 mcu is used as its core controller. it is shown that the algorithm in hand has the vantage of decreasing power loss and lowers of voltage and increasing the distribution system efficiency, for example power factor

    該控制器以msp430f149為控制核心,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,實現了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可靠運行的難題。
  10. The important study is the electric parameter measurement system which is achieved with sigma - delta a / d converter and dsp " sampling to three phrase voltage and current. its function includes the measurement of current, voltage, frequency, phrase, power, factor, active power and energy, reactive power and energy

    本文主要研究了用? a d轉換器和dsp處理器對工頻三相電壓、電流進行數字采樣,再用數字低通濾波器實現對三相電參數進行測量的測量系統。其主要功能包括對電流、電壓、頻率、相位、功率因數、有功功率、有功電能、無功功率、無功電能等測量,並具有測量數據并行輸出介面。
  11. A data collection and control : high speed direct sampling and effective value calculation of ac voltages and currents, calculation of active power reactive power power factor, collection and transmission of states, select - check - execute of control output

    交流電壓電流信號的高速實時采樣和有效值計算有功無功功率因數計算各交流量的2 15次諧波分量及諧波總量計算遙信量的採集及上送遙控返校及執行。
  12. The host computer finishes the calculation of active power, reactive power and power factor, inquire fuzzy form of controlling, give and publish the controlling amount

    工控機完成有功功率、無功功率以及功率因數的計算,並查詢模糊控製表,給出控制量。
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