The secondary lightning protection enhancement project for China Railway Guangzhou Group is progressing smoothly, with Anhui Jinli Electric’s isolation transformer cabinets and a range of lightning protection products successfully deployed at railway sectioning posts and substations along the line.

In the Lingnan region, where thunderstorms are frequent, secondary measurement and control equipment at railway sectioning posts and substations is highly susceptible to induced overvoltages from lightning and the intrusion of high-voltage power-frequency currents. Jinli’s isolation transformer cabinets are installed within the power circuits of these facilities to provide electrical isolation and surge dissipation. By blocking the intrusion of high-voltage power and lightning-induced overvoltages into secondary systems, they safeguard sensitive equipment such as Remote Terminal Units (RTUs) and communication monitoring systems. Complemented by Surge Protective Devices (SPDs) and secondary overvoltage protection units, these solutions form a comprehensive protection system that meets railway lightning protection standards, ensuring the stable operation of traction power supply facilities.

As a specialized, refined, unique, and innovative (SRUI) enterprise in the field of lightning protection, Jinli Electric remains deeply committed to comprehensive lightning protection for railway traction power supply systems, providing mature, integrated solutions to ensure the safety of railway power infrastructure.