CN112101752A - 基于改进Shapley值法的虚拟电厂联盟收益分配方法 - Google Patents
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Abstract
本发明公开了一种基于改进Shapley值法的虚拟电厂联盟收益分配方法,包括步骤:S1.确定虚拟电厂联盟成员的综合实力收益波动量Zi;S2.确定虚拟电厂联盟成员的投入额收益波动量Ti;S3.确定虚拟电厂联盟成员的承担风险收益波动量Fi;S4.确定虚拟电厂联盟成员的收益Qi;本发明的一种基于改进Shapley值法的虚拟电厂联盟收益分配方法,能够使得联盟中各成员的收益分配更加合理,增强了联盟成员的竞争力,提高了联盟成员的积极性。
Description
技术领域
本发明涉及虚拟电厂领域,具体涉及一种基于改进Shapley值法的虚拟电厂联盟收益分配方法。
背景技术
虚拟电厂通过聚合资源,量变上升为质变,以聚合后资源参与电能量市场和辅助服务市场,提高议价能力,为电网安全稳定运行贡献力量,同时也能获取最大收益。
目前虚拟电厂联盟的收益分配方法主要有Nash合作解法、Shapley值法和综合协商法等,但这些方法并未考虑不同成员在虚拟电厂联盟中所承担的风险,也未能很好地衡量不同类型分布式电源在虚拟电厂联盟中所发挥的不同贡献。根据实际应用情况分析,Shapley值法可以消除吃大锅饭以及平均分配的问题,也能调动合作成员的积极性,但是该方法并不能充分体现联盟中不同成员在合作中不一样的影响程度以及所承担的不一样的风险等。
发明内容
有鉴于此,本发明的目的是克服现有技术中的缺陷,提供基于改进Shapley值法的虚拟电厂联盟收益分配方法,能够使得联盟中各成员的收益分配更加合理,增强了联盟成员的竞争力,提高了联盟成员的积极性。
本发明的基于改进Shapley值法的虚拟电厂联盟收益分配方法,包括如下步骤:
S1.确定虚拟电厂联盟成员的综合实力收益波动量Zi;
S2.确定虚拟电厂联盟成员的投入额收益波动量Ti;
S3.确定虚拟电厂联盟成员的承担风险收益波动量Fi;
S4.确定虚拟电厂联盟成员的收益Qi;
其中,Qi为第i个虚拟电厂的夏普利值;S为虚拟电厂子集;K为合作博弈的参与者集合,K={1,2,...,n};所述|S|为子集合中虚拟电厂数量;E(S)为第i个虚拟电厂参与时,联盟市场收益;E(S-i)为第i个虚拟电厂不参与时,联盟市场收益;n为联盟中虚拟电厂数量;Zi为第i个虚拟电厂的综合实力收益波动量;WZ为所述Zi的权重;Ti为第i个虚拟电厂的投入额收益波动量;WT为所述Ti的权重;Fi为第i个虚拟电厂的承担风险收益波动量;WF为所述Fi的权重。
进一步,根据如下公式确定虚拟电厂联盟成员的综合实力收益波动量Zi:
Zi=G·(αi-1/n);
其中,G为虚拟电厂联盟的总收益;αi为第i个虚拟电厂的综合实力相对于虚拟电厂联盟的权重。
进一步,根据如下公式确定虚拟电厂联盟成员的投入额收益波动量Ti:
其中,G为虚拟电厂联盟的总收益;Ii为第i个虚拟电厂的投资额。
进一步,根据如下公式确定虚拟电厂联盟成员的承担风险收益波动量Fi:
本发明的有益效果是:本发明公开的一种基于改进Shapley值法的虚拟电厂联盟收益分配方法,在单纯的Shapley值法的基础上,考虑多种因素对虚拟电厂联盟收益的影响,充分体现了各虚拟电厂在联盟中的重要性,使得联盟中各成员的收益分配更加合理,增强了联盟成员的竞争力,提高了联盟成员的积极性。
附图说明
下面结合附图和实施例对本发明作进一步描述:
图1为本发明的方法流程示意图。
具体实施方式
以下结合说明书附图对本发明做出进一步的说明,如图所示:
本发明的基于改进Shapley值法的虚拟电厂联盟收益分配方法,包括如下步骤:
S1.确定虚拟电厂联盟成员的综合实力收益波动量Zi;
S2.确定虚拟电厂联盟成员的投入额收益波动量Ti;
S3.确定虚拟电厂联盟成员的承担风险收益波动量Fi;
S4.确定虚拟电厂联盟成员的收益Qi;
其中,Qi为第i个虚拟电厂的夏普利值;S为虚拟电厂子集;K为合作博弈的参与者集合,K={1,2,...,n};所述|S|为子集合中虚拟电厂数量;E(S)为第i个虚拟电厂参与时,联盟市场收益;E(S-i)为第i个虚拟电厂不参与时,联盟市场收益;n为联盟中虚拟电厂数量;Zi为第i个虚拟电厂的综合实力收益波动量;WZ为所述Zi的权重;Ti为第i个虚拟电厂的投入额收益波动量;WT为所述Ti的权重;Fi为第i个虚拟电厂的承担风险收益波动量;WF为所述Fi的权重。本实施例中,WZ+WT+WF=1,所述WZ、WT以及WF可以通过熵值法进行求取,所述熵值法为现有技术,在此不再赘述。
本实施例中,各虚拟电厂的规模、发展潜力等综合实力不同,从而对于联盟的重要性程度也不同。综合实力强的虚拟电厂更容易占据主导地位,在联盟的收益分配协商中讨价还价能力更强。
根据如下公式确定虚拟电厂联盟成员的综合实力收益波动量Zi:
Zi=G·(αi-1/n);
其中,G为虚拟电厂联盟的总收益;αi为第i个虚拟电厂的综合实力相对于虚拟电厂联盟的权重,所述αi可通过使用AHP层次分析法对虚拟电厂进行综合性评价来获取,所述综合性评价的指标包括业务量、资源整合能力以及技术实力,所述AHP层次分析法为现有技术,在此不再赘述;其中,
本实施例中,虚拟电厂联盟中各成员对于联盟的投资额包括各种设施设备的投资以及各种资金等方面的投入;根据投入与收益相对应的基本原则,虚拟电厂在联盟中投资额越多,分得的收益也更多。
根据如下公式确定虚拟电厂联盟成员的投入额收益波动量Ti:
其中,G为虚拟电厂联盟的总收益;Ii为第i个虚拟电厂的投资额,所述Ii可通过对第i个虚拟电厂的实际投资进行统计得到;当时,说明虚拟电厂联盟中第i个虚拟电厂相比其他成员的投资更多,因此应当相应地获取更多收益,反之,投入较少的虚拟电厂应当对其他的合作伙伴做出一定的补偿。
本实施例中,虚拟电厂在组建联盟后,其所面临的风险不仅来自于自身和市场环境,还来自于联盟内部。所述风险包括虚拟电厂成员间合作不协调的风险、其他合作的虚拟电厂成员由于能力不足而失约的风险、对联盟和其他虚拟电厂成员形成过度依赖的风险、虚拟电厂成员核心技术与机密泄露的风险以及虚拟电厂成员单方违约或造假行为导致的信用风险。
虚拟电厂联盟中的风险多而且复杂,各个虚拟电厂所承担的风险也不可能等同。高风险对应高收益,这意味着在联盟中承担风险更多的虚拟电厂分配到的收益也更多。
根据如下公式确定虚拟电厂联盟成员的承担风险收益波动量Fi:
其中,G为虚拟电厂联盟的总收益;Ri为第i个虚拟电厂考虑风险情况下的收益;所述所述Pi为第i个虚拟电厂与虚拟电厂联盟中除第i个虚拟电厂外的其他虚拟电厂合作的成功概率,所述Pi可通过对各虚拟电厂的历史合作记录进行统计分析得到。
最后说明的是,以上实施例仅用以说明本发明的技术方案而非限制,尽管参照较佳实施例对本发明进行了详细说明,本领域的普通技术人员应当理解,可以对本发明的技术方案进行修改或者等同替换,而不脱离本发明技术方案的宗旨和范围,其均应涵盖在本发明的权利要求范围当中。
Claims (4)
1.一种基于改进Shapley值法的虚拟电厂联盟收益分配方法,其特征在于:包括如下步骤:
S1.确定虚拟电厂联盟成员的综合实力收益波动量Zi;
S2.确定虚拟电厂联盟成员的投入额收益波动量Ti;
S3.确定虚拟电厂联盟成员的承担风险收益波动量Fi;
S4.确定虚拟电厂联盟成员的收益Qi;
2.根据权利要求1所述的基于改进Shapley值法的虚拟电厂联盟收益分配方法,其特征在于:根据如下公式确定虚拟电厂联盟成员的综合实力收益波动量Zi:
Zi=G·(αi-1/n);
其中,G为虚拟电厂联盟的总收益;αi为第i个虚拟电厂的综合实力相对于虚拟电厂联盟的权重。
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