帕纳科高压发生器维修帕纳科电源维修荧光光谱仪高压发生器帕纳科PW2440荧光光谱仪高压发生器的电路分析和故障维修CircuitAnalysisandMaintenanceofHigh-VoltageGeneratorofPANalyticalXRFSpectrometerX射线管高压发生器是荧光光谱仪的核心部件之一，它提供一个高精度的的高压供电电源给Ｘ射线管，是获得高精度分析的必要条件。它包括多路电源变换器(MPPC)和HT整流器(HT油箱)，二者共同产生一个正极性的高压(HT)和灯丝供电电流。本文介绍了帕纳科(原荷兰飞利浦)PW2440荧光光谱仪高压发生器的工作原理及其故障维修。TheX-raytubehighvoltagegeneratorisoneofthecorecomponentsoffluorescencespectrometerwhichprovideshigh-accuracyhigh-voltagepowersupplytotheX-raytubeanditisnecessarytoobtainhigh-precisionanalysisresults.Thegeneratorincludesmultiplepowerconverter(MPPC)andHTrectifiers(HTtank),whichtogetherproduceapositivepolarityhighvoltage(HT)andfilamentpowersupplycurrent.WorkingprincipleandmaintenancearedescribedofPANalytical(formerlyPhilips)PW2440fluorescencespectrometerhighvoltagegenerator.)