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font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:=""><span style="font-size: 16px;">大電流發(fā)生器的使用原則和作用</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:=""><span style="color: rgb(51, 51, 51); font-family: Arial, " microsoft="" font-size:="" text-align:="" background-color:=""> 大電流發(fā)生器</span>能夠用來作為大電流測試裝置或初級電流注入測試是一種預防性維護技術，通過注入電流來評估安裝在電氣或自動化系統(tǒng)中的斷路器的性能。</p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:=""> </p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:="">　　由于斷路器對于設備的整體安全性和理解至關重要，因此對斷路器進行了各種測試和調查以識別其問題，其中電流注入是常見和流行的。該測試有助于識別和監(jiān)控性能不佳的斷路器及其保護繼電器和設備，以確保即使在峰值負載下也能保持電氣系統(tǒng)的效率。通常，大電流測試用于驗證電流互感器 (CT)、電位或電壓互感器 (PT 或 VT)、開關設備、繼電器、</p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:=""> </p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:="">　　工作原則：</p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:=""> </p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:="">　　電流注入測試用于向電氣系統(tǒng)的初級和次級側注入電流以檢查保護設備。這些測試的目的是測試電氣系統(tǒng)（主要是斷路器等保護設備）的可靠性和效率，并幫助識別任何有缺陷的設備。根據電流幅度和注入方向，電流測試裝置分為 - 初級和次級。初級和次級測試裝置都基于模擬真實勵磁電流的相同原理運行，以驗證斷路器是否在其設計極限處跳閘以及在啟動跳閘之前需要流過電流多長時間（激活時間）。</p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:=""> </p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:="">　　大電流組的類型：</p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:=""> </p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:="">　　初級和次級電流注入測試均可用于工業(yè)用途，并根據測試的應用和目標進行選擇。</p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:=""> </p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:="">　　初級或大電流測試裝置：</p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:=""> </p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:="">　　初級電流測試裝置用于大電流/高壓應用，通常在變電站等大型電氣裝置中使用。這些測試裝置通過將 100A 至 20,000A 范圍內的電流（取決于斷路器規(guī)格）直接注入電氣系統(tǒng)的初級側（例如斷路器）來運行，以測試其承載能力。與僅測試電子斷路器的二次電流測試裝置不同，一次電流測試用于熱磁斷路器和電子斷路器。現代大電流測試裝置與電纜終端、定時器、溫度指示器、承包商、獨立相位控制和其他附件集成在一起。它們可以通過確定 CT 的健康狀況、從 CT 到脫扣器的接線條件、</p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:=""> </p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:="">　　大電流測試儀應用：</p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:=""> </p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:="">　　測試裝置被接受為電氣設備驗收和維護測試的行業(yè)標準。驗收測試包括工廠驗收測試、收貨測試、安裝驗收和電氣系統(tǒng)測試。在維護活動之前和之后執(zhí)行維護測試以記錄性能變化。以下是初級電流注入技術的典型應用：</p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:=""> </p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:="">　　1.電源變壓器：三相電流源連接到短路變壓器，該變壓器為電氣繞組提供電流，以對 CT 執(zhí)行大電流注入測試。電流流入變壓器電路以檢查測試開關、保護繼電器，包括高側和低側斷路器?，F代測試裝置可以同時測試連接到同一母線或相鄰母線的其他斷路器的 CT 電路。這些測試可以建立監(jiān)控參數的標準，例如 CT 比、負載、極性、相角誤差、磁化曲線和耐受電壓。</p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:=""> </p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:="">　　2.繼電器測試：通過模擬設計限制的電流條件，識別繼電器中的過流和接地故障?，F代測試裝置可以自動調節(jié)流入斷路器的電流并控制注入時間以驗證跳閘時間，分辨率為 1ms。</p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:=""> </p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:="">　　3.母線工作、開關設備和 HV 斷路器：通過向初級導體施加峰值電流（設計限制），檢查 CT（電流互感器）電路，如果測試開關和保護繼電器可以在適當的角度接收電流，根據OEM 和性能標準。</p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:=""> </p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:="">　　4.低壓斷路器：在短時間內（低壓現象）向熱磁斷路器和電子斷路器施加高幅度電流，以了解脫扣器的性能。跳閘時間延遲在不同大小的電流下測量，并繪制圖表以驗證遵循 OEM 標準的測量。</p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:=""> </p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:="">　　5.開關設備測試：在低壓下工作的開關設備和控制設備組件還需要初級電流注入測試，以符合制造商和用戶的相關產品標準。</p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:=""> </p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:="">　　6.CT 穩(wěn)定性測試：執(zhí)行穩(wěn)定性測試以驗證 CT 安裝并檢查是否連接了錯誤的極性。這是通過檢查通過繼電器的差動電流來檢測的，如果流量值超過設定值，則斷路器將失效。除了穩(wěn)定性測試外，還可以同時測試其他繼電器電流。</p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:=""> </p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:="">　　7.連接松動：在大電流注入測試期間，通過觀察火花來識別連接松動。對于此測試，應通過足夠大的電流來測試 CT，因為低電流可能不會產生火花。這可確保 CT 電路與鐵芯正確連接。</p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:=""> </p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:="">　　二次電流測試裝置：</p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:=""> </p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:="">　　雖然被廣泛使用，但二次電流測試并不像一次電流測試那樣檢查所有電氣系統(tǒng)組件。相反，它通過向電子斷路器次級 CT 側的跳閘繼電器單元注入測試電流（通常為低幅度）來工作，因此稱為次級測試。與初級電流測試不同，次級測試不模擬實際工作條件，不能揭示有缺陷的 CT、極性和 CT 條件。因此，二次測試可以快速完成，并且需要相對較少的經驗、成本和時間來執(zhí)行。</p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:=""> </p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:="">　　當前測試集的選擇：</p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:=""> </p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:="">　　主要或次要測試套件的選擇取決于項目的復雜性和測試目標。一個不正確的測試套件可以為您的測試需求提供太多或太少?？梢宰裱韵聵藴蔬M行選擇：</p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:=""> </p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:="">　　1.如果必須單獨測試脫扣單元或電子斷路器，則二次電流注入套件就足夠了。</p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:=""> </p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:="">　　2.對于所有其他應用程序，將需要一個初級測試套件。例如，為了測試熱磁斷路器的性能、監(jiān)控性能參數和驗證安裝，初級或高電流注入測試套件是強制性的。</p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:=""> </p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:="">　　大電流測試儀校準——為何如此重要：</p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:=""> </p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:="">　　電流測試裝置的準確性在測試斷路器時至關重要，并且取決于電流負載周期和操作技能。該套件的準確性也可能因運輸設備時因沖擊或振動引起的移動而有所不同。其他可能影響校準的因素包括控制電纜中的接觸電阻、異常磁場、絕緣泄漏和電子元件老化。因此，正確的操作和校準對于準確的讀數至關重要。</p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:=""> </p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:="">　　除了根據 OEM 標準校準測試套件外，還應定期校準套件的以下組件：</p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:=""> </p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:="">　　1.電流表或電流表：電流表讀數應使用校準或標準電流表在不同范圍內進行測試。例如，在額定電流為 1000 安培的測試套件上，應在 200、400、600 和 1000 A 時檢查讀數。如果電流表上的誤差讀數大于 5%，則需要進行校準。</p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:=""> </p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:="">　　2.定時器：雖然定時器是堅固的設備，只需要很少的維護，但它的精度在高分辨率 (ms) 下可能會有所不同。為了獲得準確的讀數，應每年檢查計時器。</p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:=""> </p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:="">　　3.電纜穩(wěn)定性：使用后應定期檢查電纜連接是否松動，這可能導致火花或讀數錯誤。通常，建議將電纜絞合以盡量減少輻射并吸收雜散磁場。</p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:=""> </p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:="">　　4.操作錯誤：由于操作復雜和缺乏技能，測試套件中設置了幾個錯誤。因此，定期維護和校準是必須的。缺乏培訓也可能導致測試套件處理不當和電氣系統(tǒng)損壞。</p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:=""> </p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 23px; font-family: Arial, " microsoft="" vertical-align:="" box-sizing:="" color:="" text-align:="" background-color:="">　　大電流測試套件中的累積缺陷通常會導致操作不確定性，從而導致維護損失。校準避免了這些錯誤，確保了測試套件的準確性。遵循定期和及時的校準計劃可確保斷路器健康并在設計限制下跳閘。國家實驗室負責維護國家參考標準的準確性和可追溯性。</p> <div id="su2m2qmw88" class="clear"></div> </div> <div id="su2m2qmw88" class="article"> <p>上一篇：<a 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