起点锂电·2026-01-09 10:20Group 1 - The core function of the PCS (Power Conversion System) is to facilitate bidirectional energy conversion between energy storage battery systems and the grid, managing both charging and discharging processes [2] - PCS products can be categorized based on system integration structure into centralized, string, and distributed types, and by operating mode into grid-connected, off-grid, and hybrid types [3] - The rated power of PCS has increased from 1.725MW to 2.5MW and above, with high-power models becoming mainstream due to the rapid expansion of energy storage systems [5] Group 2 - The demand for string PCS is rapidly growing as traditional centralized architectures face issues like battery parallel circulation, driven by the increasing scale of energy storage systems [5] - The report from Qidian Research Institute SPIR indicates that the top companies in China for PCS shipments in 2025 will include Kehua Data, Sungrow Power, and Huawei Digital Energy among others [5][7] - The global energy storage market analysis is part of a comprehensive report that includes various chapters on industry definitions, technology classifications, and policy analyses [8]