Research on the optimization of primary frequency modulation parameters of high power units

LIAO Jinlong; CHEN Bo; DING Ning; LI Huanyu; YU Zitao; SHENG Deren

doi:10.19666/j.rlfd.201803054

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Research on the optimization of primary frequency modulation parameters of high power units

更新时间：2025-09-28

- Research on the optimization of primary frequency modulation parameters of high power units
- Thermal Power Generation Vol. 47, Issue 5, Pages: 22-28(2018)
- 作者机构：
  
  1. 浙江大学热工与动力系统研究所
  2. 国网浙江省电力有限公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.201803054
  CLC： TK267
- Published Online：03 May 2018，
  
  Published：2018
- 稿件说明：
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LIAO Jinlong, CHEN Bo, DING Ning, et al. Research on the optimization of primary frequency modulation parameters of high power units[J]. Thermal power generation, 2018, 47(5): 22-28.
DOI：

LIAO Jinlong, CHEN Bo, DING Ning, et al. Research on the optimization of primary frequency modulation parameters of high power units[J]. Thermal power generation, 2018, 47(5): 22-28. DOI： 10.19666/j.rlfd.201803054.

摘要

大功率机组一次调频参数是影响自身调频动态稳定与维持电网频率稳定的关键因素。建立以国家电网一次调频标准、电网稳定的必要能量平衡条件以及机组自身稳定的必要条件为约束

以总煤耗量以及总污染排放最低为目标函数的最优化模型

采用遗传算法求解各个机组实时最佳速度不等率。选取12台机组

并采用实际运行数据进行仿真测试

结果表明此算法可以保证机组快速完成一次调频任务

并且经济性最佳。对于深度调峰机组

需适当突破电网一次调频标准的约束进行设置。本方法对电网系统机组优化速度不等率以及保证电网调频的快速性和经济性具有重要参考价值。

Abstract

The primary frequency modulation parameters of high power units are the key factors that influence dynamic stability of self-frequency modulation and keep the power grid frequency stable. The primary frequency modulation standard of the national power grid

the necessary energy balance conditions for the stability of the power grid and the necessary conditions for the stability of the units are set as the constraints

and then the optimization model is established by using the total coal consumption and the minimum total pollution emissions as objective functions. Twelve units are selected and the simulation tests are carried out based on their actual operation data. The results show that

this algorithm can ensure the units finish the primary frequency modulation tasks quickly with the best economy. For the deep peak load regulation units

it is necessary to break the constraint of the primary frequency modulation standard of the power grid properly to set the units. This method has important reference value for the inequality rate of optimization speed of the power grid system and the guarantee of the rapidity and economy of the frequency modulation of the power grid.

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