最后根据轻微故障的特点提出对变压器比率差动继电器通用特性选择的建议，供同仁参考。
According to the calculation result and features of low percentage interturn fault, the general characteristic selection for percentage differential relay of transformer is suggested.
该系统能够在线采集故障数据，并进行离线的故障分析，实现了汽轮机组轴系振动故障的分类和发现早期轻微故障的目的。
The diagnosis system is able to collect fault data on-line and analyse the fault off-line, which achieves classification of turbine shafting vibration fault and detect early slight fault.
提出基于小波尺度图重分配的信号瞬态特征检测方法和瞬时能量估计方法，并应用于轴承在多种轻微故障状况下的振动非平稳特征的检测与表示。
The singal transient feature detection represent method, and a transient energy evaluation method are used based on the reassigned scalogram for the vibration non-stationary feature representation.
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