基于改进天牛须算法的含固态变压器的配电网无功优化  被引量:21

Reactive Power Optimization of Distribution Network with Solid State Transformer Based on Improved Beetle Antennae Search Algorithm

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作  者:张晓英[1,2,3] 侯秉臣 王琨 陈伟 王晓兰[1,2,3] ZHANG Xiaoying;HOU Bingchen;WANG Kun;CHEN Wei;WANG Xiaolan(College of Electrical and Information Engineering,Lanzhou University of Technology,Lanzhou 730050,China;Gansu Renewable Energy Power Conversion and Control Engineering Technology Research Center,Lanzhou 730050,China;National Experimental Teaching Center of Electrical and Control Engineering,Lanzhou University of Technology,Lanzhou 730050,China;State Grid Gansu Electric Power Company Marketing Service Center,Department of Metering,Lanzhou 730000,China)

机构地区:[1]兰州理工大学电气工程与信息工程学院,兰州730050 [2]甘肃省新能源电力变换与控制工程研究中心,兰州730050 [3]兰州理工大学国家级电气与控制工程实验教学中心,兰州730050 [4]国网甘肃省电力公司营销服务中心计量部,兰州730000

出  处:《高压电器》2022年第11期221-229,共9页High Voltage Apparatus

基  金:国家自然科学基金(51867015,51767017);甘肃省基础研究创新群体项目(18JR3RA133);甘肃省高校协同创新团队项目(2018C⁃09);甘肃省科技重大专项计划(19ZD2GA003)。

摘  要:提出了一种基于改进天牛须算法的含固态变压器(solid⁃state transformer,SST)的配电网无功优化方法,通过调节SST的调制系数和相位角补偿系统的无功功率。文中首先对SST进行数学建模,其次针对天牛须搜索算法(beetle antennae search algorithm,BAS)在低维度空间表现优异,在5维及以上空间存在收敛速度慢,精度低的问题,在BAS的基础上引入了模拟退火算法(simulated annealing algorithm,SA)中蒙特卡洛准则以及动态实时改变的步长因子,通过经典函数来测试文中所提算法的性能,最后应用到含SST的配电网中,对SST的连续优化变量和分布式发电(distributed generations,DGs)的无功输出进行优化,使系统的电压偏差与功率损耗达到最小,降低了SST在配电网中的成本。最后对改进的IEEE⁃33节点系统进行仿真,验证了该模型与算法的可行性与有效性。A kind of reactive power optimization method of distribution network with solid⁃state transformer(SST)based on improved beetle antennae search algorithm is proposed.The reactive power of the system is compensated by adjusting the modulation coefficient and phase angle of SST.In this paper,the SST is firstly modeled.Then,in view of such issues of the beetle antennae search algorithm(BAS)as excellent performance in low dimensional space,slow convergence speed and low accuracy in 5⁃dimensional space and above,the Monte Carlo criterion in simulated an⁃nealing algorithm(SA)and the step factor of dynamic real⁃time change are introduced on the basis of the BAS.The performance proposed in this paper is tested by classical function.After that,it is applied to the distribution network with SST to optimize the continuous optimization variables of SST and the reactive power output of distributed genera⁃tions(DGs)so as to minimize the voltage deviation and power loss of the system and reduce the cost of SST in the dis⁃tribution network.Finally,the improved IEEE⁃33 node system is simulated and feasibility and effectiveness of the model and algorithm are verified.

关 键 词:配电网无功优化 固态变压器 天牛须搜索算法 模拟退火 

分 类 号:TM714.3[电气工程—电力系统及自动化] TP18[自动化与计算机技术—控制理论与控制工程]

 

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