考虑多主体电能交易的云储能服务机制

doi:10.12204/j.issn.1000-7229.2022.11.008

摘要/Abstract

摘要：

为实现云储能业务的商业化推广,在保证用户整体效益最优的前提下,提出了一种考虑多主体电能交易的云储能服务机制,挖掘了储能资源与可再生能源匹配的价值,在电能交易中引入竞争机制,有效激励用户积极参与服务,提高用户自主性及交易效率,为云储能商业化业务提供了一种新的思维方式。首先,根据用户用能行为设计了云储能服务机制架构及业务流程。其次,构建了以用户净用能成本最小为目标的日前电能调度模型及策略。然后,建立了以多轮次集合竞价为规则的电能交易竞价及匹配策略。在此基础上,设计了违约处理及费用结算模型,以明确各参与主体的效益。最后,以某园区为例验证了所提服务机制的有效性。结果表明,该机制能够实现可再生能源的最大程度就地消纳,降低用户的用能成本,使用户间良性竞争,实现各主体多方共赢。

关键词: 云储能服务, 竞价匹配, 电能调度, 可再生能源消纳

Abstract:

In order to realize the commercialization of cloud energy storage business, on the premise of ensuring the best overall benefit of users, a cloud energy storage service mechanism considering multi-agent power transactions is proposed, and the value of matching energy storage resources with renewable energy is explored. This paper provides a new way of thinking for the commercialization of cloud energy storage by introducing a competition mechanism in electric energy trading, to encourage users to actively participate in services and improve user autonomy and transaction efficiency. Firstly, the architecture and business process of cloud energy storage service mechanism are designed according to the user’s energy consumption behavior. Secondly, a day-ahead power dispatching model and strategy with the goal of minimizing the net energy cost of users are constructed. Then, an electric energy trading bidding and matching strategy based on multiple rounds of collective bidding is established. On this basis, a default processing and fee settlement model is designed to clarify the benefits of each participant. Finally, a park is taken as an example to verify the effectiveness of the proposed service mechanism. The results show that this mechanism can realize the maximum local consumption of renewable energy, reduce the energy consumption cost of users, enable healthy competition among users, and achieve a win-win situation for all parties.

Key words: cloud energy storage service, bid matching, electric energy dispatch, renewable energy consumption

中图分类号:

TM734

王苗苗, 李华强, 何永祥. 考虑多主体电能交易的云储能服务机制[J]. 电力建设, 2022, 43(11): 73-84.

WANG Miaomiao, LI Huaqiang, HE Yongxiang. Cloud Energy Storage Service Mechanism Considering Multi-Agent Power Transaction[J]. ELECTRIC POWER CONSTRUCTION, 2022, 43(11): 73-84.

图/表 14

图1 云储能服务平台架构

Fig.1 Architecture of cloud energy storage platform

图2 云储能服务机制业务流程

Fig.2 Business process of cloud platform service mechanism

图3 集合竞价规则

Fig.3 Collective bidding rules

表1 参与用户的设备容量信息

Table 1 Capacity information of each user’s devices

图4 云储能设备的实际运行情况

Fig.4 Actual operation scheme of the cloud energy storage

图5 用户1—5参与服务前后总电网购电量对比

Fig.5 Comparison of total grid electricity purchases before and after users 1 to 5 participate in the service

图6 电能交易的成交价格情况

Fig.6 The transaction price of electricity trading

表2 交易匹配结果

Table 2 Trade marketing results

表3 各参与主体费用结算情况

Table 3 Fee settlement of each participant

图A1 用户1—4冬季典型日电负荷曲线

Fig.A1 Typical daily electricity load curve of user 1 to 4 in winter

图B1 冬季典型日光伏功率比曲线

Fig.B1 Typical daily photovoltaic power ratio curve in winter

图B2 冬季典型日风机功率比曲线

Fig.B2 Typical daily fan power ratio curve in winter

图C1 用户1—5参与服务前后总出清电量对比

Fig.C1 C Comparison of total power clearing before and after user 1 to 5 participate in the service

表D1 供需双方具体成交信息

Table D1 Specific transaction information between supply and demand sides

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