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Rail Transit Dedicated Power Supply System
Applications

The integrated power supply system consolidates the power supplies for communication, integrated supervisory control system (ISCS), building automation system (BAS), passenger information system (PIS), access control system (ACS), automatic fare collection system (AFC), platform screen doors (PSD), and signaling. The AC/DC power supply devices are primarily installed in station substations, section substations, depot substations, and parking lot substations. They can provide different configurations for hybrid substations and step-down substations according to specific requirements. The integrated power supply system is utilized in rail transit main substations to consolidate multiple station power supply systems, unify monitoring and maintenance interfaces, and achieve safe and intelligent network design for station power supply.

Functional Features
  • Redundant Design, Safe and Stable
    The rectifier power module adopts N+1 redundancy. The faulty module automatically enters the protection state and exits the power supply system without affecting the power supply of the integrated power supply system.
  • Easy Maintenance
    Modular design, easy for system installation and routine maintenance. User-friendly human-machine interface, simple touch screen operation, real-time operating status can be viewed locally and remotely.
Cases
AC/DC power supply system for Kunming Metro Line 5 and integrated power supply system for Fuhai Road main substation
AC/DC power supply system for Kunming Metro Line 5 and integrated power supply system for Fuhai Road main substation
The company supplied 12 sets of AC/DC power supply systems and one set of integrated power supply system for the main substation to the Kunming Metro Line 5 project. With 20 years of experience in rail transit power supply product development, the company strictly controls every aspect from material selection to software and hardware design and process details to fully meet the demanding operational requirements of rail transit equipment, ensuring excellent safety, environmental adaptability, and maintainability.
Chongqing Light Rail Line 3 UPS
Chongqing Light Rail Line 3 UPS
The power supply system consists of UPS cabinets and feeder cabinets, adopting a dual-host redundant configuration to provide uninterrupted power for critical subsystems, including communications, signaling, integrated monitoring, environmental monitoring, office automation, access control, automatic fare collection, fire alarm, platform screen doors, emergency lighting, and substation automation.
AC/DC power panels and power integration system for Beijing Metro Line 16
AC/DC power panels and power integration system for Beijing Metro Line 16
A total of 63 sets of AC/DC power panels and power integration systems were deployed for Beijing Metro Line 16. Supply commenced in 2014, and the entire line was fully operational by the end of 2022. Spanning eight years, the project witnessed the opening of the northern section in 2016 and the central section in 2020. The southern section construction coincided with the COVID-19 pandemic, during which the project team overcame numerous challenges, including epidemic control measures, to successfully complete R&D, production, installation, and commissioning tasks.
Integrated power supply system for Capital Airport Express
Integrated power supply system for Capital Airport Express
As a dedicated line for the 2008 Olympics, the Capital Airport Express introduced the concept of integrated power supply at the request of the client, Beijing Fast Track Co., Ltd.. This approach consolidates various power supplies used in station substations, utilizing shared high-capacity battery banks to provide AC/DC power for critical loads through power conversion devices, ensuring uninterrupted supply during emergencies to maintain system safety. Each station, depot signal building, and parking lot signal building is equipped with one integrated power supply system, primarily consisting of two charging units, two battery banks, and two to three inverter power supplies, with configuration capacities varying according to application scenarios.
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