According to the development status of the fault diagnosis technology for wind turbine, combined with the modern signal processing technology and the classic fault diagnosis technology of rotating machinery, the on-line vibration condition monitoring system based on PowerPC is designed. The system collects the vibration signal and speed signal of the wind turbine in real time, and analyses and records the operating conditions, detects the possible risks in due course, so as to provide the scientific basis for the safe and reliable operation of the unit and fault handling, has higher application value.%针对风电机组故障诊断技术发展现状,结合现代信号处理技术和经典的旋转机械故障诊断技术,基于PowerPC设计了风电机组在线振动状态监测系统.该系统可以实时采集机组的各种振动信号及转速信号,并对运行状况进行分析和记录,及时发现可能存在的隐患,为机组安全可靠运行和故障处理提供了科学依据,具有较高的应用价值.
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