focusing voltage 中文意思是什麼
focusing voltage
解釋
聚焦電壓-
Firstly, the thesis briefly reviews the history of voltage and reactive power control technology, focusing on the defects of the equipment in use. then, with the theoretical analysis and the discussion on voltage and the characteristic of power system as well as the basic principle of voltage and reactive power control, the thesis makes a research on the character of voltage and reactive power control and interprets the controlling regularity of substation. in addition, with the consideration of the changes of transformer tips and the combined influence of capacity groups and reactive power and voltage, the thesis makes adjustment suggestion to the different operating - zones of voltage and reactive power
本文從降低網損和提高變電站自動化水平著眼，對變電站電壓無功控制應用方面的問題進行了研究，本文首先簡要回顧電壓無功控制的發展概況，著重指出了現有電壓無功控制裝置的缺陷；通過理論分析，在討論電力系統電壓、無功調節特點以及電壓無功總體控制原則的基礎上討論了變電站電壓、無功控制特性以及控制原理，給出了變電站電壓無功的控制規律；考慮了變壓器分接頭的變化及電容器組的投切對無功和電壓的綜合影響，針對電壓、無功的各種運行控制區域給出了相應調節策略。 -
Abstract : the phenomenon of light and heavy steps in 5 - phase hybrid stepping motors is investigated. focusing on the relationships between phase - current and phase - voltage caused by different switching modes, a proposal to improve the light and heavy steps under3 - 4 phase mode is presented and the well - agreed experimental results are given
文摘:研究了五相混合式步進電動機4 5相通電運行時的輕重步現象，通過分析不同通電方式時導通與截止相的相電壓變化對相電流的影響，闡明了3 4相通電方式可以改善電機輕重步現象的機理，並進行了實驗驗證。
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