From April 10 to 12, at ESIE 2025, Guangzhou Zhiguang Electric Technology Co., Ltd. took center stage with the official debut of its low-voltage string-type PCS (Power Conversion System)—a breakthrough solution that brings enhanced flexibility and efficiency to the energy storage market. Backed by strong technical expertise and continuous innovation, Zhiguang’s latest offering injects fresh momentum and versatile options into the evolving storage landscape.
Zhiguang’s low-voltage string PCS—also known as an integrated converter and step-up solution—combines the energy storage converter, step-up transformer, high-voltage ring main unit, and low-voltage distribution box into a single containerized unit or modular system. The converter and transformer capacities can be flexibly configured according to customer requirements, enabling plug-and-play installation that saves time and boosts operational efficiency.
Built on an advanced modular string architecture, this PCS system supports multi-machine parallel operation, tailored for diverse applications. It enables one-to-one refined management of battery clusters, effectively addressing the circulating current issues that plague traditional systems. The result is improved system reliability, extended battery life, and maximized discharge capacity over the entire lifecycle—ensuring stable and efficient operation for modern storage needs.
Compared with similar products, Zhiguang’s string-type PCS offers distinct advantages in flexibility, performance, and cost-efficiency:
?Versatile deployment: Whether it’s a grid-side large-scale power station or a user-side distributed storage application, this solution adapts seamlessly to various use cases—supporting personalized configurations for different customer scenarios.
?Lower O&M costs: Through design optimization and cutting-edge technology, the system achieves reduced failure rates, simplified maintenance, and lower operational overhead—enhancing the overall economic value of energy storage projects.
?Enhanced stability and efficiency: The system's intelligent control and modular design significantly improve energy conversion efficiency and operational reliability, delivering long-term benefits across the storage value chain.
Zhiguang’s presence at ESIE 2025 not only highlights its leadership in technological innovation, but also brings new vitality to the energy storage industry. As the new string-type low-voltage PCS gains traction in the market, it is poised to offer more high-quality, scenario-oriented solutions, helping accelerate the next phase of development in the global energy storage sector.
