Energy management method of integrated energy system considering multi-agent benefit balance
A technology of integrated energy system and energy management, applied in system integration technology, information technology support system, communication network with energy trade/energy transmission authority, etc. Consideration of multi-stakeholder coexistence scenarios, etc.
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Embodiment 1
[0067] Comprehensive Energy System Model Containing Multiple Agents
[0068] Integrated Energy Agent (IEA) Model:
[0069] IEA benefit function
[0070] IEA has a variety of energy production and conversion equipment. It can sell energy to users in the IES by purchasing energy from the external network and its own production capacity, or sell energy to the external network under the premise of meeting the needs of local users, so as to obtain income. Considering the large heat and cold energy transmission loss, immature P2G technology and high cost, only consider the situation where IEA sells electric energy to the network. The benefit function of the IEA is:
[0071]
[0072] In the formula, the first item after the equal sign in the first line indicates the energy sales income of the IEA’s sales of cooling and heating power to users and electricity sales to the distribution network, and the second item indicates the subsidy income of wind power grid grid under the suppo...
Embodiment 2
[0148] Such as figure 1 As shown, in order to verify the effectiveness of the comprehensive energy system energy management method considering the multi-subject benefit balance given in this patent, this patent uses an integrated energy system as a calculation example for analysis.
[0149] scene description
[0150] Taking a business park as an example, the equipment and related parameters of each subject in the park are shown in Table 1. The park’s cooling, heating, power load and wind power output are as follows: Figure 5 As shown, the energy price of the external energy supply network and the internal energy price of the integrated energy system are as follows: Figure 6 shown.
[0151] Table 1 Relevant parameters of each subject in the park
[0152]
[0153] 2Optimization results
[0154] 2.1 Iterative convergence results
[0155] Figure 7 The convergence process of system benefit disequilibrium degree is given, by Figure 7 It can be seen that the result of ...
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