设计和模拟连接到电网的垂直重力储能系统的研究
Yirun Ji1, Yi Lu1, Jianfeng Hong2
1State Grid Jibei Electric Power Research Institute, Xicheng District, Beijing, 100045, China.
Scientific reports
|December 24, 2025
概括
本研究引入了重力储能系统的新控制方案,优化了稳定输出功率的参数. 改进后的系统实现了6.7%的最低功率波动率,以实现可靠的电网连接.
科学领域:
- 能源系统工程 能源系统工程
- 电气工程 电气工程
- 可再生能源技术可再生能源技术
背景情况:
- 重力储能系统由于身体运动特征而表现出固有的输出功率不稳定性.
- 稳定和平稳的输出电力对于连接到电网的储能系统至关重要.
研究的目的:
- 提出并验证一套控制方案,以稳定重力储能系统的输出功率.
- 通过优化系统参数,确保顺地向电网注入电力.
主要方法:
- 开发了一个多个单元的联合发电和输出补充控制方案.
- 使用优化算法优化系统运行参数,以实现功率平滑.
- 针对电网连接控制,实施了面向电压的矢量控制策略.
主要成果:
- 优化的重力储能系统证明了稳定的发电,相当于控制的电流源.
- 与电网连接的系统模拟和故障实验证实了稳定性.
- 实现的最低功率波动率为6.7%.
结论:
- 拟议的控制方案有效地稳定了重力储能输出功率.
- 优化的系统表现出快速的响应时间和良好的稳定状态特性,可靠的电网集成.
- 该系统可以在0.4秒内从输入干扰中恢复,确保稳定的电网连接.
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