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In order to shorten the start-up time of the hydroelectric generating set and improve the stability of the generating set 's start-up process and non-loading, a start-up optimization strategy of hydropower unit based on improved grey wolf search coupling cuckoo algorithm was proposed. This fitness function weighs the two index values of the unit ' s start-up frequency ITAE index and the unit 's start-up time and standardizes them. Two penalty functions of unit frequency overshoot and unit frequency steady-state error are introduced to effectively improve the start-up performance evaluation index of the hydroelectric generating set. An improved grey wolf search coupled cuckoo algorithm (IGWSCSA) based on good point set theory to improve the initial population is proposed to optimize the start-up parameters of the generating set. Based on the simulation experiment of the refined model of the speed control system, the optimal parameters are obtained to shorten the start-up adjustment time of the generating set, and the overshoot is reduced from 0.235 to 0.004, which greatly optimizes the start-up speed and frequency fluctuation of the hydroelectric generating set.

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为缩短水力发电机组开机时间,提高机组开机过程和空载稳定性,提出一种基于改进灰狼搜索耦合杜鹃算法的水力发电机组启动优化策略,建立开机适应度函数,该函数权衡机组开机频率ITAE指标和机组开机时间两个指标数值并将其标幺化,引入机组频率超调量和机组频率稳态误差两个惩罚函数,从而有效改善机组启动性能评价指标,且提出一种佳点集理论改进初始种群的改进灰狼搜索耦合杜鹃算法(IGWSCSA)针对机组启动参数进行精确优化。基于调速系统精细化模型的仿真试验得到最优参数使机组开机调节时间明显缩短,超调量由0.235降低至0.004,极大优化了水力发电机组启动的开机速度和频率波动。

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李佰霖(1987-),男,博士、讲师、硕导,研究方向为水力发电厂运维数字化,电力设备在线监测与故障诊断,E-mail:

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李佰霖(1987-),男,博士、讲师、硕导,研究方向为水力发电厂运维数字化,电力设备在线监测与故障诊断,E-mail:

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李佰霖(1987-),男,博士、讲师、硕导,研究方向为水力发电厂运维数字化,电力设备在线监测与故障诊断,E-mail:

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基于改进灰狼搜索耦合杜鹃算法的水力发电机组启动优化
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李佰霖 , 龚子锐 , 杨林明 , 杨建 , 何强
水电能源科学 | 机电与控制工程 2023,41(9): 180-184
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水电能源科学 | 机电与控制工程 2023, 41(9): 180-184
基于改进灰狼搜索耦合杜鹃算法的水力发电机组启动优化
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李佰霖 , 龚子锐, 杨林明, 杨建, 何强
作者信息
  • 三峡大学电气与新能源学院,湖北 宜昌 443000
  • 李佰霖(1987-),男,博士、讲师、硕导,研究方向为水力发电厂运维数字化,电力设备在线监测与故障诊断,E-mail:

Startup Optimization of Hydroelectric Generating Set Based on Improved Grey Wolf Search Coupled Cuckoo Algorithm
Bai-lin LI , Zi-rui GONG, Lin-ming YANG, Jian YANG, Qiang HE
Affiliations
  • College of Electrical and New Energy, China Three Gorges University, Yichang 443000, China
出版时间: 2023-09-25 doi: 10.20040/j.cnki.1000-7709.2023.20230327
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为缩短水力发电机组开机时间,提高机组开机过程和空载稳定性,提出一种基于改进灰狼搜索耦合杜鹃算法的水力发电机组启动优化策略,建立开机适应度函数,该函数权衡机组开机频率ITAE指标和机组开机时间两个指标数值并将其标幺化,引入机组频率超调量和机组频率稳态误差两个惩罚函数,从而有效改善机组启动性能评价指标,且提出一种佳点集理论改进初始种群的改进灰狼搜索耦合杜鹃算法(IGWSCSA)针对机组启动参数进行精确优化。基于调速系统精细化模型的仿真试验得到最优参数使机组开机调节时间明显缩短,超调量由0.235降低至0.004,极大优化了水力发电机组启动的开机速度和频率波动。

水力发电机组  /  启动优化  /  标幺值  /  佳点集  /  群智能算法  /  参数优化

In order to shorten the start-up time of the hydroelectric generating set and improve the stability of the generating set 's start-up process and non-loading, a start-up optimization strategy of hydropower unit based on improved grey wolf search coupling cuckoo algorithm was proposed. This fitness function weighs the two index values of the unit ' s start-up frequency ITAE index and the unit 's start-up time and standardizes them. Two penalty functions of unit frequency overshoot and unit frequency steady-state error are introduced to effectively improve the start-up performance evaluation index of the hydroelectric generating set. An improved grey wolf search coupled cuckoo algorithm (IGWSCSA) based on good point set theory to improve the initial population is proposed to optimize the start-up parameters of the generating set. Based on the simulation experiment of the refined model of the speed control system, the optimal parameters are obtained to shorten the start-up adjustment time of the generating set, and the overshoot is reduced from 0.235 to 0.004, which greatly optimizes the start-up speed and frequency fluctuation of the hydroelectric generating set.

hydroelectric generating set  /  startup optimization  /  per-unit value  /  good point set  /  swarm intelligence algorithm  /  parameter optimization
李佰霖, 龚子锐, 杨林明, 杨建, 何强. 基于改进灰狼搜索耦合杜鹃算法的水力发电机组启动优化. 水电能源科学, 2023 , 41 (9) : 180 -184 . DOI: 10.20040/j.cnki.1000-7709.2023.20230327
Bai-lin LI, Zi-rui GONG, Lin-ming YANG, Jian YANG, Qiang HE. Startup Optimization of Hydroelectric Generating Set Based on Improved Grey Wolf Search Coupled Cuckoo Algorithm[J]. Water Resources and Power, 2023 , 41 (9) : 180 -184 . DOI: 10.20040/j.cnki.1000-7709.2023.20230327
  • 湖北省水电机械设备设计与维护重点实验室开放基金项目(2021KJX12)
2023年第41卷第9期
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doi: 10.20040/j.cnki.1000-7709.2023.20230327
  • 接收时间:2023-03-06
  • 首发时间:2026-01-28
  • 出版时间:2023-09-25
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  • 收稿日期:2023-03-06
  • 修回日期:2023-04-20
基金
湖北省水电机械设备设计与维护重点实验室开放基金项目(2021KJX12)
作者信息
    三峡大学电气与新能源学院,湖北 宜昌 443000
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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