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    Nanning Second Ring Expressway Project


    Release date:

    2025-11-24

    Project Background
    As Nanning's second ring expressway, this project is of strategic importance for diverting through traffic and alleviating urban congestion. The project includes several large-scale interchanges, extra-long tunnels, and a cross-river bridge, placing extremely high demands on power supply reliability.

    Customer needs

    Addressing the challenge of long-distance power supply and ensuring voltage stability

    Meeting the flexible power supply needs of distributed load points

    The equipment must have vibration- and shock-resistant capabilities.

    Request for intelligent fault diagnosis and localization functionality

    Product Solution

    Customized ring main unit solutions for flexible network configurations

    Equipped with an automatic voltage regulator to ensure power supply quality.

    Install intelligent fault indicators to enable rapid fault localization.

    Featuring earthquake-resistant design, it has passed the Level 8 seismic test.

    Implementation results

    The power supply radius has been extended to 25 kilometers, far exceeding industry standards.

    Fault localization time reduced from hours to minutes.

    The equipment boasts excellent seismic performance and has withstood multiple earthquake tests.

    Project opens to traffic three months ahead of schedule