考虑区域碳中和的分布式光伏选址定容
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引用本文:薛远天1,杨雪梅1,张开鹏1,张宏甜1,常昊晨2.考虑区域碳中和的分布式光伏选址定容[J].电网与清洁能源,2024,40(4):134~142
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作者单位
薛远天1 1. 国网甘肃省电力公司武威供电公司 
杨雪梅1 1. 国网甘肃省电力公司武威供电公司 
张开鹏1 1. 国网甘肃省电力公司武威供电公司 
张宏甜1 1. 国网甘肃省电力公司武威供电公司 
常昊晨2 2. 西安理工大学电气工程学院 
基金项目:陕西省自然科学基础研究计划(青年项目)(2022JQ-534)
中文摘要:“双碳”目标的深入推进为我国能源建设与规划提出明确要求,推动了分布式光伏的飞速发展。分布式光伏可以有效调节区域碳排放架构,但不合理地接入容量和接入位置会对配电网造成不可逆转的冲击。针对分布式光伏入网对配电网的影响,提出了一种考虑区域碳排放的分布式光伏选址定容双层优化模型。外层优化以光伏运维成本最低、配电网有功功率损耗最小、电压偏差最小为目标,结合内层优化所得到的分布式光伏出力值,采用NSGA-II算法求解得到光伏的具体接入位置与接入容量;内层优化以系统综合运行成本最低为目标函数,结合外层光伏规划后的配电网网架结构,采用列和约束生成算法,求解获得该区域达到碳中和所需的光伏出力最小值,为外层分布式光伏规划提供限定条件,最终得到考虑规划区域碳排放的分布式光伏规划方案。最后,基于甘肃省某县级区域开展算例仿真,验证所提模型在降低区域碳排放量、规划区域分布式光伏资源、积极促进区域碳中和方面的可行性,为电网企业制定光伏发电规划提供了科学支撑。
中文关键词:分布式光伏  选址定容  碳中和  CCG算法
 
Site Selection and Capacity Determination of the Distributed Photovoltaic Generator Considering Regional Carbon Neutralization
Abstract:The deepening of the carbon peaking and carbon neutrality goals puts forward clear requirements for China’s energy construction and planning, and promotes the rapid development of distributed photovoltaic generation in China. Although distributed photovoltaic power generation can effectively adjust the regional carbon emissions architecture, unreasonable access capacity and access location cause irreversible impacts on the distribution network. In this paper, a bi-layer optimization model of distributed photovoltaic location and capacity considering regional carbon emissions is proposed for the influence of distributed photovoltaic access on distribution networks. The outer layer optimization takes the lowest cost of photovoltaic operation and maintenance, the minimum active power loss of the distribution network and the minimum voltage deviation as the optimization objectives. Combined with the output value of the distributed photovoltaic obtained by the inner layer optimization, the NSGA-II algorithm is used to obtain the specific access location and access capacity of photovoltaic generation. Aiming at the lowest comprehensive operation cost of the system, combined with the grid structure of the distribution network after the outer layer photovoltaic power generation planning, the inner layer optimization uses the column and constraint formation algorithm to solve the minimum photovoltaic output required to achieve carbon neutralization in the area. The optimization result provides the limited conditions for the outer layer distributed photovoltaic planning, and finally obtains the distributed photovoltaic planning scheme considering the carbon emissions of the planning area. Finally, the example simulation is carried out based on a county-level region in Gansu Province. The example verifies the feasibility of the model proposed in this paper in reducing regional carbon emissions, planning regional distributed photovoltaic resources, and actively promoting regional carbon neutralization. It provides scientific support for power grid enterprises to specify the photovoltaic power generation planning.
keywords:distributed photovoltaic generation  site selection and capacity determination  carbon neutrality  CCG algorithm
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