刘洋;邵广惠;张弘鹏;王聪颖;

• 1:国家电网有限公司东北分部
• 2:中国能源建设集团辽宁电力勘测设计院有限公司

摘要(Abstract)：

随着风电、光伏等新能源在电力系统中占比逐渐提高,常规同步发电机占比逐渐减少,系统一次调频能力有逐渐减弱的趋势。为改善这种情况,东北电网开展了主动支撑新能源建设试点,其中包括对新能源一次调频能力的改进。首先分析了新能源占比提高对系统频率的影响;其次,论述了东北新能源一次调频改造原理并通过仿真分析了新能源参与一次调频后东北电网系统频率特性的变化;最后,论证了新能源调频参数设置优化的必要性,创新性地提出了根据新能源所在电网送端、受端位置和分类来进行参数设置的方案。仿真结果表明所提出的方案既提高了电网频率特性,又兼顾了电网的安全。

关键词(KeyWords)： 新能源;一次调频;频率特性;参数设置

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 刘洋;邵广惠;张弘鹏;王聪颖;

Email:

DOI: 10.13335/j.1000-3673.pst.2019.0822

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