風光耦合制氫系統(tǒng)建模與優(yōu)化控制研究
發(fā)布時間：2018-08-06 17:29
【摘要】：目前,環(huán)境污染和能源緊缺成為人類生存亟待解決的兩大難題。對清潔可再生能源的開發(fā)和利用的研究,越來越受到世界各國的廣泛重視。分布式發(fā)電是國民經(jīng)濟可持續(xù)發(fā)展戰(zhàn)略和環(huán)境保護的重要組成部分,也是優(yōu)化能源結(jié)構(gòu)推動能源多元化發(fā)展的必由之路。可再生能源發(fā)電功率波動造成電壓、頻率波動和電能質(zhì)量問題。為解決大規(guī)模棄風、棄光的技術(shù)難題,本文建立了以風能和太陽能為主要能源的風光耦合制氫系統(tǒng)。利用可再生能源、燃料電池及電解制氫各自的優(yōu)點,對能量管理系統(tǒng)非線性、強耦合、變化復雜的特點,參考國內(nèi)外相關(guān)項目的研究經(jīng)驗,研究采用基于微網(wǎng)控制的風光耦合制氫技術(shù),提高系統(tǒng)的穩(wěn)定性與可靠性,同時滿足電網(wǎng)與制氫負荷需求,實現(xiàn)電網(wǎng)與風光耦合制氫系統(tǒng)的功率平衡。本文首先分析風光耦合制氫系統(tǒng)面臨的技術(shù)問題,建立起符合該系統(tǒng)的各組成子系統(tǒng)的動態(tài)數(shù)學模型,并且對子系統(tǒng)模型特性進行仿真分析;以系統(tǒng)集成模型為基礎(chǔ),提出一種基于ANFIS控制策略,對所建系統(tǒng)在并網(wǎng)運行模式下進行系統(tǒng)特性分析和控制策略的仿真實驗研究,用以檢驗所設計系統(tǒng)模型及控制策略的可靠性,解決在并網(wǎng)運行模式下系統(tǒng)能量調(diào)度管理問題。最后利用兩組不同的控制策略對系統(tǒng)進行仿真研究,研究結(jié)果表明,所建立風光耦合制氫系統(tǒng)模型可以較好地反應系統(tǒng)的特性,基于ANFIS算法的優(yōu)化控制策略使系統(tǒng)能量流動效率最優(yōu)。基于以上研究,本文所建立的以風能和太陽能為主要能源,以燃料電池、電解槽和蓄電池為儲能的風光耦合制氫系統(tǒng)及其對系統(tǒng)控制策略的研究,為系統(tǒng)的實際開發(fā)的應用提供一定的指導意義。
[Abstract]:At present, environmental pollution and energy shortage become the two difficult problems to be solved for human survival. The research on the development and utilization of clean renewable energy is being paid more and more attention all over the world. The distributed generation is an important part of the sustainable development strategy and environmental protection of the national economy, and is also the optimization of energy structure to promote energy. The only way to diversify the development is that the power generation of renewable energy generates voltage, frequency fluctuation and energy quality problem. In order to solve the technical problem of large-scale abandoning and discarding light, the wind and solar energy as the main energy source coupling hydrogen production system is established in this paper. The advantages of renewable energy, fuel cell and electrolysis hydrogen are used. With the characteristics of nonlinear, strong coupling and complex change in the energy management system, and referring to the research experience of related projects at home and abroad, the wind and wind coupling hydrogen production technology based on micro network control is used to improve the stability and reliability of the system. At the same time, the power grid and hydrogen production load need to be met, and the power balance of the power grid and wind coupling hydrogen production system is realized. Firstly, this paper analyzes the technical problems faced by the wind and scenery coupling hydrogen production system, establishes a dynamic mathematical model of the subsystems that conforms to the system, and simulates the characteristics of the subsystem model. Based on the system integration model, a ANFIS control strategy is proposed to carry out the system under the grid connected operation mode. The simulation experiment of characteristic analysis and control strategy is used to test the reliability of the designed system model and control strategy, and to solve the problem of system energy scheduling management under the parallel operation mode. Finally, two different control strategies are used to simulate the system. The results show that the wind and solar system model can be established. In order to better respond to the characteristics of the system, the optimal control strategy based on the ANFIS algorithm makes the energy flow efficiency of the system optimal. Based on the above research, the wind and solar energy as the main energy, the solar energy system with the fuel cell, the electrolyzer and the battery as the energy storage system and the control strategy of the system are studied. The actual development of the application will provide some guidance.
【學位授予單位】：河北科技大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：TM61
[Abstract]:At present, environmental pollution and energy shortage become the two difficult problems to be solved for human survival. The research on the development and utilization of clean renewable energy is being paid more and more attention all over the world. The distributed generation is an important part of the sustainable development strategy and environmental protection of the national economy, and is also the optimization of energy structure to promote energy. The only way to diversify the development is that the power generation of renewable energy generates voltage, frequency fluctuation and energy quality problem. In order to solve the technical problem of large-scale abandoning and discarding light, the wind and solar energy as the main energy source coupling hydrogen production system is established in this paper. The advantages of renewable energy, fuel cell and electrolysis hydrogen are used. With the characteristics of nonlinear, strong coupling and complex change in the energy management system, and referring to the research experience of related projects at home and abroad, the wind and wind coupling hydrogen production technology based on micro network control is used to improve the stability and reliability of the system. At the same time, the power grid and hydrogen production load need to be met, and the power balance of the power grid and wind coupling hydrogen production system is realized. Firstly, this paper analyzes the technical problems faced by the wind and scenery coupling hydrogen production system, establishes a dynamic mathematical model of the subsystems that conforms to the system, and simulates the characteristics of the subsystem model. Based on the system integration model, a ANFIS control strategy is proposed to carry out the system under the grid connected operation mode. The simulation experiment of characteristic analysis and control strategy is used to test the reliability of the designed system model and control strategy, and to solve the problem of system energy scheduling management under the parallel operation mode. Finally, two different control strategies are used to simulate the system. The results show that the wind and solar system model can be established. In order to better respond to the characteristics of the system, the optimal control strategy based on the ANFIS algorithm makes the energy flow efficiency of the system optimal. Based on the above research, the wind and solar energy as the main energy, the solar energy system with the fuel cell, the electrolyzer and the battery as the energy storage system and the control strategy of the system are studied. The actual development of the application will provide some guidance.
【學位授予單位】：河北科技大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：TM61
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