Abstract: The disclosure provides an adapter assembly of a generator and an axle-end generator assembly. An adapter assembly includes a first part configured to mount to a wagon bogie and a second part connecting to the first part. The first part and the second part are configured to form a base for mounting a stator of a generator together.

Abstract: The disclosure provides an adapter assembly of a generator and an axle-end generator assembly. An adapter assembly includes a first part configured to mount to a wagon bogie and a second part connecting to the first part. The first part and the second part are configured to form a base for mounting a stator of a generator together.

Abstract: Disclosed are a workpiece and a method for monitoring water content of a lubricant thereof, wherein the monitoring method comprises a water content sensing unit (10) being provided in the workpiece and exposed in a lubricant inside the workpiece, the water content sensing unit (10) and a radio frequency tag (20) being located in one and the same circuit (S1), the electrical property of the water content sensing unit (10) changing along with changes in the water content of the lubricant, and the electrical property including at least one of resistance, inductance and capacitance; determining a correlation between a frequency-related parameter of the radio frequency tag (20) and the water content in the lubricant (S2); acquiring the actual frequency of the radio frequency tag (20) (S3); and according to the correlation and the actual frequency, determining the actual water content of the lubricant (S4).