5方家山核电厂发电机氢气泄漏率计算方法改进王公展1*尚宪和1费志松2郑宗宇1司先国1夏德莉1应黎明1陈博11.中核核电运行管理有限公司，浙江海盐314300；2.中原运维海外工程有限公司，上海201103摘要：氢冷发电机大都运行在手动补氢的方式，发电机氢气泄漏率的计算也采用人工提取数据，手动输入软件计算的方式。该方法在方家山核电厂的实际应用中存在计算结果波动幅度较大，难以及时发现泄漏率上升的问题。另外，由于氢冷系统采用手动方式补氢，氢气的压力呈现出锯齿型，无法用通用的算法计算出连续的泄漏率。本研究定量分析了泄漏率计算波动大的原因，给出了提高精度降低波动幅度的建议，并首次在业界提出了一种克服锯齿型压力波动，计算实时泄漏率的算法。对比结果和实际应用表明，实时泄漏率的计算结果准确度更高，采用连续的趋势跟踪更容易发现泄漏率的上升。新的计算方法在业界具用推广的价值。关键字：发电机；氢气泄漏率；波动；实时；算法中图分类号：TM31文献标识码：A文章编号：1001-9006（2022）04-0005-05ImprovementtotheGeneratorHydrogenLeakRateCalculationMethodofFangjiashanNuclearPowerPlantWANGGongzhan1,SHANGXianhe1,FEIZhisong2,ZHENGZongyu1,SIXianguo1,XIADeli1,YINGLiming1,CHENBo1（1.CNNPOperationsManagementCompany,Ltd.,314300,HaiyanCounty,Zhejiang,China；2.CZECOverseaOperationandMaintenanceEngineeringCompany,Ltd.,201103,Shanghai,China）Abstract:Mostofthehydrogen-cooledgeneratorsoperateinthewayofmanualhydrogensupplementation,andthecalculationofthehydrogenleakagerateofthegeneratoralsoadoptsthemethodofmanuallyextractingdataandmanuallyinputtingsoftwarecalculations.IntheactualapplicationofFangJiashanNuclearPowerPlant,thismethodhastheproblemoflargefluctuationsincalculationresults,anditisdifficulttodetectrisingleakagerateintime.Inaddition,becausethehydrogencoolingsystemusesmanualhydrogenreplenishment,thepressureofhydrogenshowsasaw-toothpattern,anditisimpossibletocalculatethecontinuousleakageratewiththegeneralalgorithm.Thisresearchquantitativelyanalyzesthereasonsforthelargefluctuationsintheleakageratecalculation,andgivessuggestionstoimprovetheaccuracyandreducethefluctuationrange.Forthefirsttimeintheindustry,analgorithmtoovercomethesaw-t...
