风电机组变桨后备VRLA电源在线监测系统.pdf

风电机组变桨后备VRLA电源在线监测系统 李闯，申烛，张波，马龙 (中能电力科技开发有限公司，北京100034) 摘要：风电机组变桨后备VRLA电源对风电机组安全运行至关重要。结合蓄电池监测维护的实际需求。在不干预现有系 统充放电过程下，设计了一套完整的后备电源在线监测系统：在风机端。系统前置设备以TMS320F2812为核心，实现 了蓄电池放电高频数据采样与处理；在集控端。采用风机后备动力系统综合监测方法。实现了蓄电池性能及其负载状态 的实时远程监测。 关键词：风电机组；变桨系统；阀控铅酸电池；监测；DSP 912 中图分类号：TM 文献标识码：A 文章编号：1002—087X(2015)06-1293-03 On--line ofVRLA forwindturbine monitoringsystem back·-uppower pitchsystem LI Zhu，ZHANGBo，MA Chuang，SHEN Long Powcr-Tech Co．，Ltd．，Bcijing100034，China) (ZhongNcng Dcvclopracnt Abstract：VRLA ofwindturbine iS tothesafe ofwindturbines． back—uppower pitchsystemimportant operation theactuaI 0f andmaintenanceofVRI．Abattedes。asetof Consideringrequirementsmonitonng completebackup online was without inthe and ofthe dischargeprocessexisting power monitonngsystemdesignedinterferingcharge theturbine data and ofbatteries wererealized side。the system．On highfrequencysamplingprocessing discharging the ofthefront-enddevice．Onthesideof TM$320F2812as core center。the byadopting processor monitodng real-timeremote ofthe andloadstatewasrealized the monitonngbatteryperformance byusingcomprehensive methodof monitonng backuppowersystem． words：wind Key turbine；pitchsystem；VRLA：monitoring；DSP 风电机组变桨系统通过控制叶片桨距角，保证风电机组安