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廈門泰尼電氣有限公司
主營產(chǎn)品: AB模塊PLC |
![](/NewShowStand/style/14/Images/Blue/免費會員1.png)
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廈門泰尼電氣有限公司
主營產(chǎn)品: AB模塊PLC |
參考價 | 面議 |
聯(lián)系方式:張亮查看聯(lián)系方式
更新時間:2018-03-14 21:18:22瀏覽次數(shù):178
聯(lián)系我們時請說明是泵閥商務網(wǎng)上看到的信息,謝謝!
IC693CBL319---IC693CBL319
IC693CBL319---IC693CBL319
多點接地:多點接地是指設備(或系統(tǒng))中凡是需要接地的點都是直接接到離它zui近的接地平面上(就近接地),以便使接地線的長度為zui短。這里所說的接地平面可以是設備的底板、接地母線、甚至是設備的框架。多點接地的這一特點使得它在高頻場合下的應用有上佳表現(xiàn)(而單點接地在低頻時的性能為)。多點接地的形式看似比較簡單,但對系統(tǒng)中的眾多接地線的維護提出了更高的要求。因為任何接地點上的腐蝕、松動都會使接地系統(tǒng)出現(xiàn)高阻抗,從而使接地效果變差。目前我們zui常見的多點接地方式為等電位接地網(wǎng),網(wǎng)格的寬度應盡可能?。?5~50米)
:張亮(工程師) 專線:
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