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                                                                                                                          電流互感器的2種不同用法

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                                                                                                                            電流互感器主要是把大電流按照一定比例變為小電流,提供各種儀表使用和繼電保護用的電流,并且將二次系統與高電壓隔離,確保人身和設備安全的同時,也讓儀表和繼電器的制造標準化、簡單化。對于這種電流互感器的2種不同用法,小編帶大家來了解一下。

                                                                                                                            電流互感器的一個用途是接電能表用以計量檢定電磁能。在耗電量比較大的場所,電流量也會比較大。像是人們直跑的電度表,較大承擔電流量也就是150A。而工廠用電電流量動不動就幾百安,幾千安,如果再換直跑的電度表,勢必會燒毀,影響正常工作。和電流互感器配套使用的電能表一般較大承擔電流量為6安,可以很好地承擔互感器次級輸出的5安的電流量。如此應用時,必須挑選較大電流量的三相或四線制電能表,在根據實際用電量功率計算出電流量,選擇合適的互感器即可。

                                                                                                                          電流互感器的2種不同用法

                                                                                                                            電流互感器的另一個用途是被測電流量較大時,用電流互感器接電流計顯示信息電流量,會發現電流互感器發生變化比,根據電流計的分度值選擇合適的互感器。配電流計時,電流計較大分度值要略大于這些數。硬塑電纜線穿心一匝,應盡可能挑選表殼比較大讀值和互感器初中級相同的,如此電流表讀數無須計算。

                                                                                                                            綜上所述,就是電流互感器的2種不同用法,希望以上介紹可以給大家帶來些許的幫助。如果還想了解更多,歡迎隨時關注我們網站。

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