基于PI控制的蓄电池核容充电管理任瑞军,路涛涛,孙小娣,管鑫,陈亚琼(国网甘肃省电力公司培训中心,甘肃兰州730070)摘要:变电站内蓄电池监测与核容的关键问题是对蓄电池充放电,采集电气参数来判定电池的状态。蓄电池参数的非线性、离散性和滞后性使得常规的能量管理系统无法准确快速控制核容时的充放电,特别是现有的恒压充电方式容易造成过度充电,温度骤升。通过反馈比例积分(PI)控制,采用反馈电压模式控制和分段电流模式方法将电池电压、电流和温度保持在安全范围内的同时,提升核容工作效率,保护电池健康。MATLAB/Simulink仿真显示,PI控制反馈参数可较快使蓄电池达到最佳充电状态。关键词:蓄电池核容;分段充电;电压反馈;PI调节中图分类号:TM912DOI:10.19768/j.cnki.dgjs.2023.04.001ChargeManagementofBatteryCapacityCheckBasedonPIControlRENRuijun,LUTaotao,SUNXiaodi,GUANXin,CHENYaqiong(StateGridGansuElectricPowerCompanyTrainingCenter,Lanzhou730070,China)Abstract:Thekeyproblemofbatterymonitoringandcapacitycheckinsubstationistochargeanddischargethebattery,andcollectelectricalparameterstodeterminethestateofthebattery.Thenonlinearity,discretenessandhysteresisofbat-teryparametersmaketheconventionalenergymanagementsystemunabletoaccuratelyandquicklycontrolthecharginganddischargingofnuclearcapacity,especiallytheexistingconstantvoltagechargingmodeiseasytocauseoverchargingandsuddentemperaturerise.Throughfeedbackproport...