Ziqiang Man1, Lei Zhao2, Zheng Tao1, Shiming Cheng2, Wei Yan1, Gaoyue Zhong1, Yu Lu1, Wenming Zhang3, Li Zhang3,*
Energy Engineering, Vol.122, No.9, pp. 3555-3572, 2025, DOI:10.32604/ee.2025.067027
- 26 August 2025
Abstract With the rapid integration of renewable energy sources, modern power systems are increasingly challenged by heightened volatility and uncertainty. Doubly-fed variable-speed pumped storage units (DFVS-PSUs) have emerged as promising technologies for mitigating grid oscillations and enhancing system flexibility. However, the excitation converters in DFVS-PSUs are prone to significant issues such as elevated common-mode voltage (CMV) and neutral-point voltage (NPV) fluctuations, which can lead to electromagnetic interference and degrade transient performance. To address these challenges, an optimized virtual space vector pulse width modulation (OVSVPWM) strategy is proposed, aiming to suppress CMV and NPV simultaneously through coordinated… More >
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