一种水轮发电机组轴系摆度监测分析方法及系统
By utilizing eddy current sensors and FFT analysis during the start-up, shutdown, and steady-state operation of the hydro-generator unit, the accuracy problem of shaft runout measurement was solved, enabling accurate fault diagnosis and improved safety.
CN116973089BActive Publication Date: 2026-07-17BEIJING BKC TECH CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- BEIJING BKC TECH CO LTD
- Filing Date
- 2023-07-31
- Publication Date
- 2026-07-17
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Figure CN116973089B_ABST
Abstract
本发明公开一种水轮发电机组轴系摆度监测分析方法及系统，涉及水轮发电机组故障诊断领域；所述方法包括：在水轮发电机组正常启停机过程中，按照固有采样参数，对上、下和水导轴承进行采集，得到启停机过程的摆度数据；对启停机过程的摆度数据进行快速傅里叶变换，得到启停机过程的摆度数据的分频振幅，作为启停过程的分析数据；在水轮发电机组稳态运行阶段，对上、下和水导轴承进行数据采集，得到稳态运行阶段的分析数据；根据启停机过程的摆度数据、启停机过程的分析数据、稳态运行阶段的分析数据和工作参数，确定水轮发电机组的故障类型。本发明提高了水轮发电机组的故障类型分析的准确性。
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