Microgrid power market double-layer bidding optimization method based on multiple agents
A technology of power market and optimization method, which is applied in the fields of electrical engineering, microgrid, and renewable energy. It can solve problems such as errors in load and renewable energy forecasting, poor stability of electricity prices, and complex structure of microgrid, so as to improve energy utilization. , Reduce the fluctuation of electricity price and increase the effect of profit
Inactive Publication Date: 2020-06-19
NANJING UNIV OF POSTS & TELECOMM
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[0006] Aiming at the problem of power production and consumption in micro-grid, the present invention proposes a multi-agent system (MAS)-based micro-grid power market double-tier bidding optimization method, specifically a MAS-based micro-grid double-layer power The market transaction method, under the premise of considering the economy, mainly solves the problems of poor electricity price stability, complex micro-grid structure, and errors in load and renewable energy forecasting in micro-grid power market transactions, so as to maximize the profit of micro-grid transactions
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[0036] The present invention proposes a multi-agent system-based two-tier bidding optimization method for the microgrid electric power market. In order to make the purpose, technical solution and effect of the present invention clearer, the present invention will be further described below in conjunction with the accompanying drawings.
[0037] The specific implementation steps of the method are as follows:
[0038] Step 1: Construct a MAS-based microgrid power market transaction framework, such as figure 1 As shown, it includes three layers of power market agent, microgrid agent, and microgrid internal power generation equipment agent, and the optimization and coordination between layers is realized through the flow of energy information. The functions of each agent are as follows:
[0039] 1) Electricity market agent. Summarize the bidding strategy of the lower-level microgrid agent, consider system security, calculate the electricity price decision, and send the electricity...
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The invention provides a microgrid double-layer electricity market bidding optimization method based on multiple agents, and is used to solve the problem of electric energy consumption of microgrid The electric power market is composed of a power grid company, a micro power grid and internal components (distributed power generation, renewable energy sources, controllable loads and the like), and MAS is adopted to achieve information interaction and coordination cooperation of all the micro power grids, the electric power market and power generation components in the electric power market. An improved electricity market clearing mechanism is provided to reduce fluctuation of electricity price of the electricity market, and maximum profit and internal energy optimization of micro-grid electricity market transaction are realized through a double-layer bidding transaction model; aiming at the uncertainty problem in power prediction, in combination with interruptible load and real-time market demand response, a rolling optimization method based on opportunity constraint planning is provided.
Description
technical field [0001] The invention belongs to the fields of electrical engineering, micro-grid and renewable energy, and in particular relates to a multi-agent-based double-layer bidding optimization method for a micro-grid power market. Background technique [0002] As a small power system, microgrid (MG) is usually composed of distributed power sources and loads such as micro gas turbines, fuel cells, and photovoltaic power stations. It distributes energy more flexibly and reliably in a smaller geographical area. In addition to the environmental benefits brought by the available renewable energy, due to the short physical distance between distributed power sources and loads, microgrids can also reduce transmission and distribution losses, and are an extremely advantageous form of power grid. Microgrids can operate independently or grid-connected. Using the electricity market as a medium, the microgrid can buy and sell electricity in the electricity market platform it bu...
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IPC IPC(8): G06Q10/04G06Q30/06G06Q30/08G06Q50/06
CPCG06Q10/04G06Q30/0611G06Q30/08G06Q50/06Y02E40/70Y04S10/50Y04S50/10
Inventor 岳东杜乐窦春霞
Owner NANJING UNIV OF POSTS & TELECOMM