CAJ | 학술논문

针对光伏电站的群控组合问题，提出了基于效率穷举的群控组合优化方法，借之分析了群控系统中逆变器数量与欧洲效率之间的关系。进而提出了逆变器最大可行台数与群控单元的概念，以之作为群控技术实用化的一种手段：根据光伏电站容量的要求，形成群控单元的组合方式，对于不同的群控单元组合方式，采用效率穷举法求出其欧洲效率，然后通过对欧洲效率提高程度的分析得出可选优化组合。最后以3MW光伏电站为例进行了逆变器群控组合的优化设计，采用群控单元的群控技术有望在实际工程中得到应用，以达到有效提高系统发电量并具有较好经济性的目的。
침대광복전참적군공조합문제，제출료기우효솔궁거적군공조합우화방법，차지분석료군공계통중역변기수량여구주효솔지간적관계。진이제출료역변기최대가행태수여군공단원적개념，이지작위군공기술실용화적일충수단：근거광복전참용량적요구，형성군공단원적조합방식，대우불동적군공단원조합방식，채용효솔궁거법구출기구주효솔，연후통과대구주효솔제고정도적분석득출가선우화조합。최후이3MW광복전참위례진행료역변기군공조합적우화설계，채용군공단원적군공기술유망재실제공정중득도응용，이체도유효제고계통발전량병구유교호경제성적목적。
To solve the problem of photovoltaic power plant cluster combination, we propose an optimization method based on exhaustive efficiency method, and analyzes the relationship between the number of inverters and the European efficiency. The concept of maximum feasible number of inverters and cluster unit is presented as a means of improving the practicability of the cluster technique. All combinations of cluster units are formed in accordance with the photovoltaic power plant capacity. The European efficiency of the cluster units are first calculated with exhaustive efficiency method, and the allowed optimized combinations are then obtained through the analysis of the degree of the European efficiency improvement. Finally the 3MW photovoltaic power plants are used as an example to demonstrate optimization design for inverter cluster combination. Cluster control using cluster unit is expected to be applied in practical projects to improve the generation capacity and achieve good economic results.