水电机组状态监测与故障诊断研究新进展

总结了近年来国内外水电机组状态监测与故障诊断研究最新进展，包括水电机组振动稳定性监测技术、水轮机效率监测技术、水轮机空化监测技术、发电机绝缘局放监测技术、发电机气隙和磁场强度监测技术、主变压器油气监测技术以及水电机组故障诊断技术等，并详细分析了水电机组状态监测与故障诊断研究方法和产品应用的主要成果，指出其尚未解决的技术问题，最后提出了水电机组状态监测与故障诊断系统未来发展的新趋势。

Advances in condition monitoring and fault diagnosis research of hydropower generator units

The advances in condition monitoring and fault diagnosis research of hydropower generator units at home and abroad in recent years are summarized in this paper, which include the vibration monitoring techniques of hydropower generator units, turbine efficiency monitoring techniques, turbine cavitation monitoring techniques, generator partial discharge moitoring techniques, generator air-gap and magnet ic field intensity monitoring techniques, main transformer gases monitoring techniques and fault diagnosis techniques of hydropower generator units. The main achievements of the related research methods and products application are analyzed, and then some unsolved technical problems are put forward. The future development trend of condition monitoring and fault diagnosis for hydropower generator units is proposed.