本文選題：微電網　切入點：能量優(yōu)化管理　出處：《燕山大學》2014年碩士論文　論文類型：學位論文

【摘要】：近年來能源和環(huán)境問題不斷惡化，致使分布式發(fā)電技術備受關注。分布式發(fā)電在綜合效率、能源多樣化、環(huán)保、節(jié)能、資源節(jié)約、供電可靠性等方面都具有顯著的優(yōu)越性。然而，分布式發(fā)電大規(guī)模并網運行容易引發(fā)安全穩(wěn)定和能源管理等一系列系統(tǒng)性問題。為了有效解決分布式電源大規(guī)模并網狀態(tài)下所引發(fā)的諸多問題，充分發(fā)揮其潛能，，在分布式發(fā)電技術領域產生了微電網的概念。微電網(Microgrid, MG)是由分布式電源、儲能裝置、能量變換裝置、相關負荷、監(jiān)控裝置和保護裝置匯集而成的小型發(fā)配電系統(tǒng)。微電網既可以作為單一可控單元與大電網友好并網，也能夠從主網脫離出來成為可控自治系統(tǒng)。無論哪種工作模式，微電網都需作為可定制電源為所轄重要負荷提供可靠的多種能源形式供應。由于微電網中微電源行為特性和供電形式多樣，致使其能源管理問題非常復雜。 本文從微電網的經濟效益和環(huán)境效益角度出發(fā)，分別建立能量優(yōu)化的目標函數，并在考慮微電源特性以及傳輸線路的約束的情況下，用多目標處理方法將目標函數轉換為單目標函數進行求解；考慮微電網的市場環(huán)境，引入電力市場下微電網與大電網之間的實時電力交易，針對微電網在電力市場的交易競價，建立了一種多代理系統(tǒng)控制下的優(yōu)化模型；討論了一種博弈競價的方法及其在電力市場中的應用，并將優(yōu)化電價運用到微電網能量優(yōu)化的模型中；最后用一種改進的粒子群算法迭代出最優(yōu)結果，并用算例的仿真檢驗優(yōu)化結果的正確性。
[Abstract]:In recent years, energy and environmental problems have been worsening, which has caused much attention to distributed power generation technology. Distributed power generation in comprehensive efficiency, energy diversification, environmental protection, energy conservation, resource conservation, Power supply reliability and other aspects have significant advantages. However, In order to solve the problems caused by large-scale grid connection of distributed generation, it is easy to cause a series of systemic problems, such as security and stability, energy management, etc. In order to effectively solve many problems caused by large-scale grid connection of distributed power supply, the potential of distributed power generation can be brought into full play. The concept of microgrid is developed in the field of distributed generation technology. Microgrid (MG) is composed of distributed generation, energy storage device, energy conversion device, related load. A small power generation and distribution system composed of monitoring and protection devices. Microgrid can be used as a single controllable unit and a large power grid to be connected to the grid, or can be separated from the main network into a controllable autonomous system. Microgrid should be used as a customizable power source to provide reliable energy supply for important loads under its jurisdiction. Due to the diversity of behavior characteristics and power supply forms of micro-power supply in micro-grid, the energy management problem is very complex. From the point of view of economic and environmental benefits of microgrid, the objective function of energy optimization is established, and the characteristics of micro-power supply and the constraints of transmission line are considered. The multi-objective processing method is used to solve the problem by converting the objective function into a single-objective function, considering the market environment of microgrid, introducing the real-time electricity transaction between microgrid and large power grid under the power market, and aiming at the transaction bidding of micro-grid in the power market. An optimization model under the control of multi-agent system is established, and a game bidding method and its application in power market are discussed, and the optimized electricity price is applied to the model of micro-grid energy optimization. Finally, an improved particle swarm optimization algorithm is used to iterate out the optimal results, and an example is used to verify the correctness of the optimal results.
【學位授予單位】：燕山大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：TM727

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