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为提高抽水蓄能机组一次调频能力、改善机组运行品质、提高电能质量,通过数学建模仿真研究和现场实际运行试验相结合,对机组进行一次调频试验,并采用Cohen-Coon法优化调节参数,考察机组在不同调节参数下运行时的一次调频响应特性。结果表明,优化后的参数使蓄能机组在一次调频时的调节性能和响应特性得到了较大改善,系统响应速度明显加快,性能指标更优。
In order to improve the primary frequency control ability of the pumped storage unit, improve the operation quality of the unit and improve the power quality, a frequency modulation test was carried out on the unit through mathematical modeling and simulation research and on-site actual operation test. The parameters of Cohen- Inspect the unit’s FM response characteristics under different regulation parameters. The results show that the optimized parameters have greatly improved the regulation performance and response characteristics of the energy storage unit during primary frequency modulation, and have significantly improved system response and better performance.