reactive adj. 1.反動(dòng)的,倒退的,復(fù)古的。 2.反應(yīng)的;反作用的;反沖的;【電學(xué)】電抗的;【化學(xué)】反應(yīng)性的,活性的。 a reactive current 無(wú)效電流。 reactive power 無(wú)功電力。 reactivity n. adv. -ly ,-ness n.
The application of improvedga algorithm in reactive - power optimism 改進(jìn)遺傳算法在無(wú)功優(yōu)化算法中的應(yīng)用
Tsc low - voltage reactive - power dynamic compensation device and its application 低壓無(wú)功功率動(dòng)態(tài)補(bǔ)償裝置及其應(yīng)用
A method of harmonic current detection based on the instantaneous reactive - power theory 基于瞬時(shí)無(wú)功功率理論的諧波電流檢測(cè)法
To fulfill the need of network application , the approaches and the realization for distributed voltage and reactive - power control system are given in this thesis 為了滿足網(wǎng)絡(luò)應(yīng)用的需要,提出了分布式電壓無(wú)功控制系統(tǒng)的設(shè)計(jì)方案和具體實(shí)現(xiàn)。
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(shè)計(jì)中使用新型的智能電表芯片cs5460a作為數(shù)據(jù)采集芯片,實(shí)現(xiàn)了對(duì)于電網(wǎng)中電壓、電流有效值等多種電參數(shù)的測(cè)量和監(jiān)視。
The paper analyzes systematically the feasibility of local reactive - power compensation on the public transformer in city power supply system , in terms of social benefits , economical benefits and technical conditions 摘要本文從經(jīng)濟(jì)效益、社會(huì)效益、技術(shù)條件等方面對(duì)城市公用變無(wú)功功率就地補(bǔ)償?shù)目尚行赃M(jìn)行了系統(tǒng)分析。
The use of distributed control system not only retains the independence of voltage and reactive - power control installation , also makes the system more extensible and flexible , and easier to be shared by other systems 分布式電壓無(wú)功控制系統(tǒng)既保持了電壓無(wú)功控制裝置的獨(dú)立性,又使系統(tǒng)變得更易于擴(kuò)展、配置靈活、可以更好地實(shí)現(xiàn)信息共享。
Through analysis of the actuality and existent questions about voltage reactive - power integrated control in substation , this paper presents a fuzzy control method for substation reactive - power compensation based on siemens plc 通過(guò)分析變電站電壓無(wú)功綜合控制現(xiàn)狀和存在問(wèn)題的基礎(chǔ)上,提出一種基于西門子plc實(shí)現(xiàn)的變電站無(wú)功模糊控制系統(tǒng)的實(shí)施方案。
And analyzes the merit and demerit of existing designing and realizing methods . in the thesis , a kind of intelligent voltage and reactive - power fuzzy controller based on nzne . region controlling method is designed . futhermore , the thesis proposes a method of using integral to reduce modulation times and restrain mistake , and provides the relization and simulation result of the fuzzy - integral method , and discusses its strongpoint and shortcoming 本文首先介紹了變電站電壓無(wú)功綜合控制的目標(biāo)、原理、意義及數(shù)學(xué)模型,分析了現(xiàn)有控制方法和實(shí)現(xiàn)方式的優(yōu)缺點(diǎn),運(yùn)用模糊控制技術(shù),依據(jù)九區(qū)域控制分環(huán)節(jié)來(lái)減少調(diào)節(jié)次數(shù)和抑制誤動(dòng)的控制方法,給出了模糊-積分控制方法的具體實(shí)現(xiàn)和仿真結(jié)果,分析了該方法的優(yōu)缺點(diǎn)。
In addition , according to the need of sampling of voltage and reactive - power control system in windows 98 / 2000 , the method of using windows driver model is presented to realize the sampling of the voltage and the current , and the program of windows driver model is provided in this thesis 另外,文中還分析了電壓無(wú)功控制系統(tǒng)中采樣的要求,根據(jù)windows環(huán)境下實(shí)現(xiàn)高頻率采樣系統(tǒng)的要求,提出了利用wdm實(shí)現(xiàn)電壓無(wú)功控制系統(tǒng)中的電壓電流采樣的方法,并給出了wdm驅(qū)動(dòng)程序的實(shí)現(xiàn)。