Type-merged Control Scheme with Grid-forming and Grid-following Capabilities for High-voltage Large-capacity Battery Energy Storage System with Cascade Topology
|更新时间:2025-06-05
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Type-merged Control Scheme with Grid-forming and Grid-following Capabilities for High-voltage Large-capacity Battery Energy Storage System with Cascade Topology
New Type Power SystemsVol. 2, Issue 2, Pages: 116-125(2024)
XIE Xiaorong,LIU Shu,ZHENG Tong,et al.Type-merged Control Scheme with Grid-forming and Grid-following Capabilities for High-voltage Large-capacity Battery Energy Storage System with Cascade Topology[J].New Type Power Systems,2024,02(02):116-125.
XIE Xiaorong,LIU Shu,ZHENG Tong,et al.Type-merged Control Scheme with Grid-forming and Grid-following Capabilities for High-voltage Large-capacity Battery Energy Storage System with Cascade Topology[J].New Type Power Systems,2024,02(02):116-125. DOI: 10.20121/j.2097-2784.ntps.240010.
Type-merged Control Scheme with Grid-forming and Grid-following Capabilities for High-voltage Large-capacity Battery Energy Storage System with Cascade Topology
The large-scale application of energy storage can provide important support for the high proportion of renewable energy in the new power system. The high-voltage battery storage system with cascade topology distributes batteries on the DC side of each H bridge
which is an effective way to increase energy storage capacity. The control of the power conversion system can be categorized as the grid following control (GFL) and the grid forming control (GFM). The GFL has the fast power response capability but weak grid instability risk
while the GFM has the active grid support capability but strong grid adaptability issue. This paper proposes a type-merged control method to improve the grid strength adaptability of the high-voltage large-capacity battery energy storage systems
where the flexible integration and adjustment of GFL and GFM characteristics are achieved. Simulation analysis shows the practicality and effectiveness of the proposed control method.
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