English: The rapid development of renewable energy generation and electrified transportation has brought significant risks and challenges to modern power systems. To mitigate increasingly severe stability issues and enhance flexible operation capabilities, integrating energy storage technologies into power systems for electricity storage and subsequent use becomes particularly important. Advanced physical energy storage technologies include pumped hydro storage, compressed air energy storage, flywheel energy storage, and solid gravity energy storage, with diverse applications and varying requirements for power and discharge duration. Motors are the core energy conversion equipment in physical energy storage systems, and their performance plays a crucial role in system efficiency and reliability, requiring in-depth innovative research.

中文: 可再生能源发电和电气化交通的快速发展给现代电力系统带来了巨大的风险和挑战。为了抑制日益严重的稳定性问题，提高灵活运行的能力，在电力系统中集成储能技术，实现电能的存储和后续使用就显得尤为重要。先进的物理储能技术包括抽水蓄能、压缩空气储能、飞轮储能、固体重力储能等，其应用范围广泛，对功率和放电时间的要求各不相同，在电力系统中的应用具有显著优势。电机是物理储能系统的核心能量转换装备，其品质对储能系统的运行性能起到至关重要的作用，亟待开展深入创新研究。