For dealing with the problems of generator insulation damage caused by the installation of a large numbers of monitoring sensors and the false and missed detection, the wireless sensor networks (WSN) is proposed to use in the monitoring system of hydro-generator unit. The components of WSN-based monitoring system are designed and implemented, and the topology structure of WSN and the data transmission scheme are also studied. The system can efficiently achieve the multi-channel signal acquisition and treatment, and quirkly find out the faults. This system can provide reliable information to the maintenance and operation of hydro-generator units.%针对由于水轮发电机组监测传感器数量太多可能导致电机绝缘损坏及误检漏检等问题,提出了无线传感器网络在水轮发电机监测系统中的应用,设计和实现了监测系统的各组成部分,研究了无线传感器网络的拓扑结构以及数据传输方案.系统可高效完成实时多路信号采集和处理,迅速找出故障的原因和部位,为检修和机组运行调度提供良好的依据和可靠的信息.
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