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Capacity configuration and cost allocation method of multi-agent microgrid group joint energy storage system

A technology of microgrid group and cost sharing, which is applied in circuit devices, information technology support systems, power generation forecasting in AC networks, etc. , the effect of quantifying the degree of capacity demand

Active Publication Date: 2021-12-10
ECONOMIC & TECH RES INST OF HUBEI ELECTRIC POWER COMPANY SGCC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to overcome the defect and problem that the energy storage configuration method in the prior art does not take into account the difference in the capacity requirements of the multi-agent micro-grid for the joint energy storage system, resulting in the difficulty of reasonably apportioning the cost of the energy storage system, and to provide an energy storage system. Effective quantification of the multi-agent micro-grid's capacity requirements for the joint energy storage system and the reasonable allocation of the cost of the energy storage system for the multi-agent micro-grid group joint energy storage system capacity allocation and cost allocation

Method used

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  • Capacity configuration and cost allocation method of multi-agent microgrid group joint energy storage system
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  • Capacity configuration and cost allocation method of multi-agent microgrid group joint energy storage system

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Embodiment

[0173] see figure 1, the microgrid group is composed of different microgrid operators 1 to 3. Among them, the microgrid operator 1 is connected to the power public bus 7 through the AC / DC converter 4; the microgrid operator 2 and the microgrid operator 3 are respectively connected through The AC / AC converter 5 and the AC / AC converter 6 are connected to the power common bus 7; the constructed joint energy storage system 9 is connected to the power common bus 7 through the DC / DC converter 10; the power common bus 7 passes through the PCC node 11 It is interconnected with the external power grid 13; the microgrid operators 1 to 3, the joint energy storage system 9 communicate with the microgrid group central control system 8 through the communication bus 12, and the microgrid group central control system 8 is responsible for unified operation and scheduling.

[0174] see figure 2 , a method for capacity allocation and cost allocation of a multi-agent microgrid group joint energ...

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Abstract

A multi-agent micro-grid group joint energy storage system capacity configuration and cost allocation method, comprising the following steps: taking the micro-grid group as a whole, establishing an energy storage capacity optimization configuration model to solve the optimal configuration capacity of energy storage, micro-grid group-year comprehensive The operating cost, the total net power curve of the microgrid group after considering the energy storage participating in the operation in the typical day of the four seasons; taking the independent operation of each microgrid as the object, modeling and solving the annual comprehensive operating cost of the independent construction and operation of the energy storage of each microgrid, and thus Calculate the additional income obtained by the joint construction of the energy storage system of the microgrid group; evaluate the contribution of each microgrid to the additional income from the two dimensions of energy contribution and net power waveform similarity, and thus obtain the cost allocation factor of each microgrid. In this way, the annual operating costs that need to be borne after the joint operation of each microgrid are calculated. This design can not only effectively quantify the capacity demand of the multi-agent microgrid for the joint energy storage system, but also allocate the cost of the energy storage system reasonably.

Description

technical field [0001] The invention relates to the field of optimal configuration of power system microgrids, in particular to a method for capacity configuration and cost allocation of a multi-subject microgrid group combined energy storage system. Background technique [0002] In order to achieve the "30·60" dual-carbon long-term goal, it is necessary to build a clean, low-carbon, safe and efficient energy system, deepen the reform of the power system, and build a new power system with new energy as the main body. With the rapid development of distributed clean energy, electric vehicles and user-side energy storage, the new power system undertakes the core functions of accessing multiple energy sources and supplying user energy consumption, while supporting multiple user interactions and distributed renewable energy access. The microgrid will become an important part of the end of the new power system. [0003] The grid-connected microgrid can achieve stable operation by...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/06G06Q50/06H02J3/00H02J3/28H02J3/46
CPCG06Q10/06312G06Q10/06315G06Q50/06H02J3/003H02J3/004H02J3/0075H02J3/28H02J3/381H02J3/466H02J2203/10H02J2203/20H02J2300/22H02J2300/28H02J2300/40Y02E70/30Y04S10/50
Inventor 汪致洵方仍存詹智红杨东俊刘畅侯婷婷贺兰菲
Owner ECONOMIC & TECH RES INST OF HUBEI ELECTRIC POWER COMPANY SGCC
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