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線路板接線端子

簡(jiǎn)述一次回路、二次回路、一次設(shè)備、二次設(shè)備

發(fā)布日期:2022-04-26 點(diǎn)擊率:123

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由一次設(shè)備相互連接構(gòu)成發(fā)電、輸電、配電或進(jìn)行其他生產(chǎn)的電氣回路,稱為一次回路或一次接線。 
  由二次設(shè)備互相連接,構(gòu)成對(duì)一次設(shè)備進(jìn)行監(jiān)測(cè)、控制、調(diào)節(jié)和保護(hù)的電氣回路稱為二次回路。

一次設(shè)備是指發(fā)、輸、配電的主系統(tǒng)上所使用的設(shè)備備。如發(fā)電機(jī)、變壓器、斷路器、隔離開(kāi)關(guān)、母線、電力電纜和輸電線路等。 
      二次設(shè)備是指對(duì)一次設(shè)備的工作進(jìn)行控制、保護(hù)、監(jiān)察和測(cè)量的設(shè)備。如測(cè)量?jī)x表、繼電器、操作開(kāi)關(guān)、按鈕、自動(dòng)控制設(shè)備、計(jì)算機(jī)、信號(hào)設(shè)備、控制電纜以及提供這些設(shè)備能源的一些供電裝置(如蓄電池、硅整流器等)。

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