high frequency starting 中文意思是什麼

high frequency starting 解釋
高頻振蕩器起弧
  • high : adj 1 高的〈指物，形容人的身高用 tall〉；高處的；高地的。2 高級的，高等的，高位的，重要的。3 高尚...
  • frequency : n. 1. 屢次，頻仍，頻繁。2. （脈搏等的）次數，出現率；頻度；【物理學】頻率，周率。
  • starting : n. 出發；開始；【機械工程】開動，起動；開車。 at starting 最初，開頭。 starting material 原材料。 starting motor 起動電動機。
  1. In view of this situation this article has conducted research to the design of metallurgy auxiliary biography with the frequency conversion table electrical machinery first multianalysis to the frequency changer and the frequency conversion table electrical machinery movement characteristic is carried out, the voltage waveform harmonious which the frequency changer outputs is big, attacks in a big way, and the voltage climbing rate reaches as high as 6600v / mu s which is 20 times ordinary sine alternating voltage, the rolling mill auxiliary biography table set the extremely strict request to the electrical machinery ; its movement frequency is very low, rate frequency in 8 - 20hz ; the velocity modulation scope is wide, the lowest movement frequency lowers to 1hz, and the starting number of times is quite frequently, each hour reaches as high as 600 - 800 time, the impact shoulders in a big way, the overload capacity request is high

    針對這一情況本文對冶金輔傳用變頻輥道電機的設計進行了系統研究。首先對變頻器和變頻輥道電機的運行特性進行詳細分析，變頻器輸出的電壓波形諧波大，沖擊大，電壓上升率高達6600v / s ，是普通正弦交流電壓的20倍;軋機輔傳輥道對電機提出了十分嚴格的要求:其運行頻率很低，額定頻率在8 - 20hz ;調速范圍寬，最低運行頻率低到0 . 5hz ，起動次數相當頻繁，每小時高達600 - 800次，沖擊負荷大，過載能力要求較高。
  2. Firstly, we analyze the transient and steady character of single phase high - impedance grounding fault. secondly, based on wavelet analysis on checking mutational signal and direction high frequency protection theory, utilizing zero sequence current and module current, this paper provides a new scheme including fault starting element, fault phase selection element, directional element and main criterion. this scheme can bear high impedance and is immune to system surge and frequency warp, which gets over the shortcoming of the lack of sensitivity

    由於現有的保護方案無法快速有效地切除此類故障，本文在詳細分析了單相高阻接地故障的穩態和暫態特性的基礎上，從小波分析原理出發，利用小波變換檢測突變信號的原理，以零序電流、模電流等為研究對象，結合方向高頻保護的原理，設計了一套包含啟動元件、選相元件、方向元件、主保護的保護新方案。
  3. The completed automation system not only can perform the starting, connecting, frequency and load modulating, disconnecting and stopping functions automatically but also can perform the monitoring, alarming, automatic recording, and performance evaluating functions, etc. in with the dispersed control and centralized management, the system achieves high running effect

    最終實現的電站自動化系統不僅可以自動完成各發電機組的啟動、並車、調頻調載、解列和停機等操作，還可以實現電站運行的監控、報警、自動抄表和運行性能評估等功能。該系統以控制分散、管理集中為指導思想，運行效率得到提高。
  4. The large c1 cap rolls off the gain of the regulator starting at a low frequency so that high frequency noise isn ' t amplified by the error amp

    這個大的電容c1從一個較低的轉折頻率開始滾降，所以高頻噪音沒有被誤差放大器放大。
  5. Our products has many good features such as high efficiency, energy saving, high power factor, low starting voltage and temperature, no voice and no frequency tlicking, prolong the tube s life etc

    江蘇伯樂達集團年產電子鎮流器200萬只，企業通過iso9001認證，產品取得中國3c認證，歐洲ce gs認證。產品具有高效節能啟輝電壓低啟輝溫度低無噪音無頻閃等特點。
  6. In this paper, the starting issue for thyristor - based high - power medium - frequency series - parallel resonant current source inverters, with particular reference to induction heating applications, is studied and discussed in - depth

    在廣泛閱讀國內外大量文獻和深入研究感應加熱逆變電源的現狀和發展趨勢的基礎上，本文對大功率串並聯逆變晶閘管中頻電源的啟動問題進行了深入的研究與探討。
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