To address the pain points of high energy consumption and dependence on the grid in traditional communication base stations, this solution upgrades traditional base stations into green smart base stations powered by renewable energy through PV and energy storage system renovation. The system adopts modular PCS, DCDC, and MPPT units to build an integrated DC PV-storage architecture, effectively reducing base station operating costs, enhancing energy security, and significantly improving the stability and environmental friendliness of the communication power supply system.

To address the aging test requirements of low- and medium-voltage battery PACKs, this solution is equipped with a DC-AC bidirectional isolated converter to build a regenerative battery testing system. The system adopts a 1-10CH multi-channel configuration and supports comprehensive testing functions such as step simulation, dynamic/static SOC, and charge-discharge characteristics. It features high energy conversion efficiency and fast response, and ensures safe system operation through electrical isolation design.

For the energy management needs of commercial and industrial scenarios, a dispatchable and scalable distributed energy system is built through flexible configuration of PV, energy storage batteries, PCS, and other equipment. The system is uniformly dispatched by EMS to achieve multi-directional power flow and optimized management, supporting functions such as dynamic grid capacity expansion, peak-valley arbitrage, and EV charging and discharging, providing users with economical, reliable, and green energy solutions.

To address the energy waste problem during elevator operation, this solution efficiently recovers the gravitational potential energy difference generated when the elevator travels upward with a light load or downward with a heavy load, stores the energy, and reuses it for elevator power supply. The system can significantly reduce elevator operating power consumption, with a comprehensive power-saving rate of 30%-45%. It also features functions such as emergency power supply, grid stabilization, and equipment protection, comprehensively optimizing the economy, safety, and environmental friendliness of elevator operation.

For the echelon utilization needs of retired batteries, a modular design is adopted. By configuring DCDC, MPPT, and PCS modules, an integrated PV-storage system is built to achieve compatibility with different batteries and efficient scheduling. The system supports functions such as peak shaving and valley filling, dynamic capacity expansion, and grid interaction. It is suitable for various commercial and industrial scenarios, effectively extending battery service life, reducing energy storage costs, and improving energy economics.