Taiwan Railways (TRA) — EMU Axle & Electrical Control Thermal Monitoring

01 The Problem

A Taiwan Railways EMU train carries hundreds of passengers at high speed. Inside the train: inverters, HVAC compressors, motor controllers, a dozen other electrical subsystems — any of which can overheat. The most dangerous is the axle PT100: if a bearing fails at speed, the wheel can come off the rail. There is no acceptable margin for missing it.

The Risk

EMU trains contain multiple electrical control systems (inverters, HVAC, motor controllers); any overheating jeopardizes safety.

Detection Gap

Axle PT100 overheat → bearing failure → potential derailment.

02 The OctosX Solution

Each train carries eight Thermalpas axle PT100 sensors plus thermal sensors on the major equipment boxes. The data uplinks over a 4G router to TRA's Operations Control Center, where it joins the existing video and signaling feeds. The dispatchers see every train's thermal status in real time, every minute it's running.

Sensor & Edge

8 PCS Thermalpas axle-PT100 patches per train + external equipment-box monitoring.

Cloud Logic & Alerting

Data uplinks to the Operations Control Center video-monitoring platform (server + 4G Router + PoE Gateway architecture).

03 The Outcome

TRA has been running this system across its EMU fleet for years. The maintenance team now schedules bearing inspections by data, not by mileage. Axle-related delays have dropped substantially, and the safety case for predictive maintenance has been thoroughly made.

Field Detection

TRA's EMU fleet is almost universally equipped with this thermal system.

Quantified Impact

OctosX Cloud further integrates axle data into TRA's predictive-maintenance scheduling and SCADA.

See it in your plant

Could this case be your plant?

Tell us about your facility — busbars, motors, panels, coal blowers, chillers, whatever your highest-risk thermal interface is — and we'll show you what an OctosX deployment would look like.

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