140noe77100，140noe77100

140noe77100

 

140noe77100限流及限壓特性試驗
充電裝置在浮充電(穩(wěn)壓)狀態(tài)下運行，改變負(fù)載，使輸出電流逐漸上升而超過限流整定值，充電裝置將自動地降低直流輸出電壓值，從而使充電電流下降至整定值以下，達(dá)到限流和保護(hù)設(shè)備的目的，限流的調(diào)整范圍為額定輸出電流50%～110%中任一數(shù)值。
充電裝置在(恒流)充電狀態(tài)下運行，當(dāng)直流輸出電壓超過限壓整定值時，應(yīng)能自動轉(zhuǎn)換恒壓充電方式運行，達(dá)到限壓保護(hù)的目的。限壓的調(diào)整范圍為額定電壓105%至充電電壓上限值(見表11)中任一數(shù)值。
　效率試驗
設(shè)備在輸入為額定輸入電壓，輸出為直流額定電流(電阻性負(fù)載)、直流輸出電壓為浮充電電壓調(diào)節(jié)范圍上限值運行時，記下交流輸入功率表的讀數(shù)、直流輸出的電流值和電壓值，并算出直流輸出功率。其值應(yīng)符合5.15的規(guī)定。效率按下公式計算：
η=Wz/Wj×                 (5)
式中：η--效率；
WZ--直流輸出功率；
Wj--交流輸入功率。
高頻開關(guān)電源效率可按單模塊進(jìn)行。
保護(hù)及報警功能試驗
　按產(chǎn)品技術(shù)條件設(shè)定設(shè)備的保護(hù)及報警動作值。
6.4.17.2　調(diào)整所需參數(shù)值，人為模擬各種故障，設(shè)備的保護(hù)和報警動作值及保護(hù)和報警動作方式，應(yīng)符合5.16的規(guī)定。
　監(jiān)控裝置控制程序試驗
按DL/T 459-2000 規(guī)定設(shè)定監(jiān)控裝置的充電電流、充電電流小值、充電電壓、浮充電壓、浮充倒計時時間(為縮短試驗時間，可用(3～5)min模擬代替)、浮充倒計時起點電流。
　充電程序
通過人為調(diào)整負(fù)荷，模擬充電裝置由恒流充電狀態(tài)自動轉(zhuǎn)換至恒壓充電狀態(tài)(限流恒壓充電)，充電電流下降到小值時（0.1I10），再自動轉(zhuǎn)換浮充電狀態(tài)。
　長期運行程序試驗
裝置在正常浮充電狀態(tài)時，浮充倒計時時間達(dá)到整定值時，裝置自動轉(zhuǎn)換為恒流充電狀態(tài)，重復(fù)6.4.18.1中的過程。
　交流中斷程序試驗
（1）按6.4.9方法試驗。
（2）交流電源恢復(fù)后充電裝置進(jìn)人充電程序。 
監(jiān)控裝置顯示及檢測功能試驗
　根據(jù)5.17.2的要求，對設(shè)備運行參數(shù)進(jìn)行顯示。實際值應(yīng)與設(shè)定值、測量值符合產(chǎn)品技術(shù)條件規(guī)定。
　人為模擬故障，裝置應(yīng)發(fā)信號報警，動作值與設(shè)定值應(yīng)符合產(chǎn)品技術(shù)條件規(guī)定。
　三遙功能試驗
　遙信試驗
人為模擬各種故障，應(yīng)能通過與監(jiān)控裝置通信接口連接的上位計算機收到各種報警信號及設(shè)備運行狀態(tài)指示信號。
遙測試驗
改變設(shè)備運行狀態(tài)，應(yīng)能通過與監(jiān)控裝置通信接口連接的上位計算機收到裝置發(fā)出當(dāng)前運行狀態(tài)下的數(shù)據(jù)。
遙控試驗
應(yīng)能通過與監(jiān)控裝置通信接口連接的上位計算機對設(shè)備進(jìn)行開機、關(guān)機、充電、浮充電狀態(tài)的轉(zhuǎn)換。
　電磁兼容性(抗擾度)試驗
　振蕩波抗擾度試驗
設(shè)備在正常狀態(tài)下運行，分別輸入頻率為1MHz和100kHz的衰減振蕩波，個半波電壓幅值為2500V進(jìn)行歷時2s的共模試驗及1000V歷時2s的差模試驗。在共模和差模試驗中，設(shè)備能正常運行或試驗結(jié)束后，設(shè)備能恢復(fù)正常運行。

 

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