Hunan Liancheng Rail Transit Intelligent Equipment Co., Ltd.

Electrical and System Solutions

Establish a comprehensive technological system encompassing power distribution, energy storage, power conversion, traction, electric control, vehicle‑operator interface, electrical energy management, and high‑altitude environmental adaptation. Through an integrated system architecture, advanced control algorithms, and robust safety‑protection designs, we deliver end‑to‑end solutions that meet operational requirements across all operating conditions, supported by full‑lifecycle maintenance and service offerings.

Power Source System Solutions

Employing “core‑replacement, shell‑retention” technology, while preserving the original vehicle’s structural integrity and maintaining unchanged axle and wheel loads, we have independently developed a traction drive system comprising a power battery, a traction converter, and an asynchronous traction motor. We have also designed an intelligent vehicle control system that achieves highly efficient integration of the vehicle controller, the power battery system, the integrated main‑auxiliary converter cabinet, and the vehicle‑networking system, thereby enhancing overall performance, intelligence, and operational efficiency. The upgraded locomotive boasts safety, environmental friendliness, smart functionality, high efficiency, low noise, and zero carbon emissions, addressing the longstanding challenges of conventional diesel locomotives—high costs, high energy consumption, and significant pollution.

Medium- and Low-Frequency Transformer/Filter Solutions

Phase-shifting transformers and LC filters work in tandem to optimize power quality, smooth the rectified input current, improve the power factor, reduce the need for reactive‑power capacitor banks, and alleviate grid‑side loading.

Product Series: Various types of transformers, filters, reactors, and more

Application scenarios: High-power power electronic equipment for industrial sites such as new energy grid‑connection systems, metallurgy, chemical processing, and cement production, among others.

Electrical and System Solutions

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