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　連續(xù)供電試驗
設(shè)備在浮充電狀態(tài)下運行時，人為中斷交流電源，在(500～1000)ms以內(nèi)交流電源恢復(fù)供電，錄出交流電源中斷和恢復(fù)供電全過程的示波圖。要求交流電源中斷后，直流母線連續(xù)供電，直流母線電壓波動值應(yīng)符合5.12的規(guī)定。
　電壓調(diào)整功能試驗
在裝有硅鏈調(diào)壓或其他調(diào)壓裝置的直流電源柜中，均應(yīng)作手動調(diào)壓和自動調(diào)壓試驗。
手動調(diào)壓試驗。動力母線電壓值不變，每次手動調(diào)壓一檔，控制母線電壓變化一次，直至調(diào)整到控制母線電壓與動力母線電壓相等為止，也可反向進行試驗，其測試結(jié)果應(yīng)符合5.13條的規(guī)定。
 自動調(diào)壓試驗。控制母線電壓為整定值，將動力母線電壓從大值連續(xù)下降時，自動調(diào)壓裝置始終使控制母線上的電壓保持在整定值。動力母線電壓從小值逐漸上升到大值時，自動調(diào)壓裝置也能使控制母線上的電壓保持在整定值。其測試結(jié)果應(yīng)符合5.13條的規(guī)定。
 無級調(diào)壓裝置。設(shè)備在浮充電狀態(tài)下運行，人為模擬無級調(diào)壓裝置故障，使備用調(diào)壓裝置自動投入、錄出直流(控制)母線電壓、電流波形，其測試結(jié)果應(yīng)符合5.13的規(guī)定。
　穩(wěn)流精度試驗
　充電(穩(wěn)流)電壓的調(diào)節(jié)范圍
充電裝置的充電電壓調(diào)節(jié)范圍應(yīng)符合表11的規(guī)定。
表11                 充電電壓及浮充電壓的調(diào)節(jié)范圍
蓄電池種類 調(diào)節(jié)范圍
 充電電壓 浮充電電壓
鎘鎳堿性蓄電池 1.2 (90%-145%)U (90%-130%)U
閥控式密封鉛酸蓄電池 2 (90%-125%)U (90%-125%)U
 6、12 (90%-130%)U (90%-130%)U
注：U--直流標(biāo)稱電壓

　穩(wěn)流精度試驗
充電裝置在充電(穩(wěn)流)狀態(tài)下，交流輸人電壓在其額定值的+15%，-10%的范圍內(nèi)變化，輸出電壓在充電電壓調(diào)節(jié)范圍內(nèi)變化，輸出電流在其額定值20%～范圍內(nèi)的任一數(shù)值上保持穩(wěn)定，其穩(wěn)流精度，均應(yīng)符合5.14.2中表5的規(guī)定。穩(wěn)流精度用以下公式計算。
δI =(Im-Iz)/Iz×              (1)
式中：δI--穩(wěn)流精度；
Im --輸出電流波動極限值；
Iz --輸出電流整定值。
穩(wěn)壓精度試驗
浮充電電壓調(diào)節(jié)范圍
充電裝置的浮充電電壓調(diào)節(jié)范圍應(yīng)符合表11的規(guī)定。
　穩(wěn)壓精度試驗
充電裝置在浮充電(穩(wěn)壓)狀態(tài)下，交流輸入電壓在超過其額定值的+15%、-10%的范圍內(nèi)變化，輸出電流在其額定值的0%～范圍內(nèi)變化，輸出電壓在其浮充電電壓調(diào)節(jié)范圍內(nèi)的任一數(shù)值上保持穩(wěn)定，其穩(wěn)壓精度均應(yīng)符合表5的規(guī)定。穩(wěn)壓精度用以下公式計算。
δu=(Um-Uz)/Uz×                (2)
式中：δu--穩(wěn)壓精度；
Um--輸出電壓波動極限值；
Uz--輸出電壓整定值。
　紋波系數(shù)試驗
充電裝置在浮充電(穩(wěn)壓)狀態(tài)下，交流輸入電壓在超過其額定值的+15%、-10%的范圍內(nèi)變化，輸出電流在其額定值的0%～范圍內(nèi)變化，輸出電壓在浮充電電壓調(diào)節(jié)范圍內(nèi)任一數(shù)值上，測得電阻性負載兩端的紋波系數(shù)均應(yīng)符合表5的規(guī)定。紋波系數(shù)用以下公式計算：
δ=(Uf-Uq)/2Up×              (3)
式中：δ--紋波系數(shù)；
Uf--直流電壓脈動峰值；
Uq--直流電壓脈動谷值；
Up--直流電壓平均值。
　高頻開關(guān)電源模塊并機均流試驗
　將設(shè)備所有模塊的輸出電壓均整定在浮充電電壓調(diào)節(jié)范圍內(nèi)同一數(shù)值上，所有模塊全部投入，在浮充電(穩(wěn)壓)狀態(tài)下運行。設(shè)模塊總數(shù)為n+1，模塊輸出額定電流Ie。
　調(diào)整負載，使設(shè)備輸出電流為50%額定值[50%×Ie(n+1)]。測量各模塊輸出電流，并計算其均流不平衡度。調(diào)整負載，使設(shè)備輸出電流為額定值Ie(n+1)，測量各模塊輸出電流，并計算其均流不平衡度，其值應(yīng)符合5.14.3的規(guī)定。用以下計算公式計算：
均流不平衡度=(模塊輸出電流極限值-模塊輸出電流平均值)/模塊的額定電流值×      (4)
　當(dāng)設(shè)備輸出電流為nIe時，將一模塊退出運行，測量其余各模塊的輸出電流。并計算其均流不平衡度。其值應(yīng)符合5.14.3的要求。

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