任亚辉郑蒲晓珉High—voltageResidualPowerDetectionand.PDFVIP

任亚辉 郑 刚 蒲晓珉 东方电气集团中央研究院，成都611731 摘要：目前，在电动车电驱动系统主电路的设计中均采用高容值的高压总线形式，而储存在高压总线电容中的电量对电 驱动系统的安全构成了严重的安全隐患。本文针对电动车的高压总线余电安全问题，提出了一种高压余电检测及泄放方 法。该方法能实时监测、诊断、泄放各类电动车高压总线上残存的电压和电量，并利用CAN总线实时发送高压总线的安全 状态。试验和应用结果表明，该法满足各类电动车车载状况下静态和动态高压总线余电安全需要，并具有很好的通用性。 关键词：电动汽车；异步电机驱动系统；余电检测；余电泄放 中图分类号：TM343；U469．72文献标识码：A 文章编号：1001—9006(2014)01—0001—06 A ResidualPower Detectionand High—voltage Discharging for MethodElectricVehicleDrivi ngSystem REN Xiaomin Yahui，ZHENG GQng，PU Research ofDEC，61 (Central Academy 1731，Chengdu，China) with in buses are electricvehicle circuits Abstract：Nowadayshigh—vohage highcapacitanceadopted drivingsystem design．However， the storedinthebus aserious risktothe oftheelectric this power poses security safety drivingsystem．Inpaper，ahigh—voltage residualdetectionand methodis to withthesaid methodcouldreal—time power discharging proposedcope problem．The monitor， and inthe of residual bus variousofelectric deliverthe diagnose，dischargevoltagepower high—voltage types vehicles，and security statusofthe busviaCANbus and indicatethatthemethodsatisfiesthestaticand high·voltage real—time．Experimentsapplications residue needsofall ofloadedelectricvehicleswith dynamichigh—voltagesafety types goodversatility． words：electric motor Key vehicle；asynchronousdrivingsystem；resid