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The penetration rate of smart transformers is rising, and digital operations and maintenance are emerging as a new industry trend.

2026-04-13

Smart transformers, by integrating sensors, edge computing, and IoT technologies, enable real-time monitoring of key parameters, fault prediction, and remote control.
The penetration rate of smart transformers is rising, and digital operations and maintenance are emerging as a new industry trend.

Smart transformers, leveraging integrated sensors, edge computing, and IoT technologies, enable real-time monitoring of critical parameters, early fault detection, and remote control. By 2026, the penetration rate of smart transformers equipped with online monitoring and automatic regulation is expected to exceed 35%. Their core functionalities include real-time data acquisition for winding temperature, oil temperature, load current, and other key metrics; AI‑based fault prediction and life‑cycle forecasting; and seamless integration with distribution automation systems. The application of digital twin technology in transformer operations allows for the creation of digital replicas, enabling predictions of insulation aging and remaining useful life, thereby shifting maintenance practices from scheduled overhauls to predictive maintenance. Smart transformers are emerging as pivotal nodes in next‑generation power systems, facilitating coordinated interactions among generation, grid, load, and storage, and enhancing grid stability and flexibility.
 

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