本文關(guān)鍵詞： 風(fēng)力發(fā)電 光伏發(fā)電 蓄電池 最大功率追蹤 仿真　出處：《華北電力大學(xué)》2016年碩士論文　論文類型：學(xué)位論文

【摘要】：隨著社會的不斷發(fā)展,世界污染日益嚴(yán)重,能源危機(jī)不斷加劇,為實(shí)現(xiàn)人類社會的可持續(xù)發(fā)展,新能源的開發(fā)和利用勢在必行。風(fēng)力發(fā)電、太陽能發(fā)電及生物質(zhì)能發(fā)電目前都已具有較為穩(wěn)定成熟的技術(shù),然而受到季節(jié)、晝夜、氣候等因素的影響,它們通常無法各自獨(dú)立實(shí)現(xiàn)連續(xù)穩(wěn)定的供能。基于這三種能源在時(shí)間、空間上的互補(bǔ)性,風(fēng)能太陽能生物質(zhì)能聯(lián)合發(fā)電系統(tǒng)能夠有效的彌補(bǔ)因晝夜交替和氣候變化造成發(fā)電間歇性的不足,實(shí)現(xiàn)連續(xù)穩(wěn)定的供電。該系統(tǒng)可應(yīng)用于偏遠(yuǎn)的因特殊地理環(huán)境而導(dǎo)致電網(wǎng)無法覆蓋的地區(qū),實(shí)現(xiàn)該地區(qū)的獨(dú)立供電。本文對聯(lián)合發(fā)電控制系統(tǒng)進(jìn)行了研究,主要包括以下內(nèi)容:對風(fēng)力發(fā)電、光伏發(fā)電、沼氣發(fā)電、蓄電池的工作原理及控制方法進(jìn)行研究,設(shè)計(jì)了系統(tǒng)的框架結(jié)構(gòu),分析系統(tǒng)結(jié)構(gòu)及各部分運(yùn)行原理,詳細(xì)闡述系統(tǒng)中重點(diǎn)部分的工作特性及其在系統(tǒng)中的作用,在此理論基礎(chǔ)上制定控制策略。首先研究和設(shè)計(jì)各部分的控制方法,對風(fēng)能、太陽能發(fā)電支路實(shí)行最大功率的跟蹤控制(),采用擾動測量法,使其始終工作在最大功率點(diǎn)�？傠娐返目刂苿t根據(jù)光照強(qiáng)度和風(fēng)速的變化進(jìn)行不同狀態(tài)的投切。沼氣發(fā)電機(jī)為小型汽輪機(jī),根據(jù)能源啟動控制條件,在光照強(qiáng)度和風(fēng)速不足的情況下啟動以作為備用電源。蓄電池在任何工況下均要接在電路中,起到穩(wěn)定直流母線電壓的作用:當(dāng)其他能源發(fā)電功率過大時(shí),系統(tǒng)會對蓄電池進(jìn)行充電;當(dāng)其他能源供能不足時(shí),蓄電池則放電對系統(tǒng)進(jìn)行能量補(bǔ)充。最后,根據(jù)電路結(jié)構(gòu)圖構(gòu)建系統(tǒng)整體模型,并對各個(gè)部分風(fēng)力發(fā)電、光伏發(fā)電、沼氣發(fā)電機(jī)及蓄電池的控制模型進(jìn)行分析,基于012(3$4對整個(gè)控制系統(tǒng)進(jìn)行仿真模擬研究。
[Abstract]:With the development of society, the world pollution is becoming more and more serious, and the energy crisis is becoming more and more serious. In order to realize the sustainable development of human society, the development and utilization of new energy is imperative. Solar power generation and biomass power generation have been relatively stable and mature technology, but by season, day and night, climate and other factors. They are usually unable to achieve continuous and stable energy supply independently. Based on the complementarity of time and space among the three kinds of energy sources. Wind and solar biomass energy combined power generation system can effectively compensate for the lack of intermittent power generation caused by day and night alternation and climate change. This system can be used in remote areas where the power grid can not be covered because of special geographical environment, and realize independent power supply in this area. This paper studies the joint generation control system. The main contents are as follows: the working principle and control method of wind power, photovoltaic power generation, biogas power generation and battery are studied, the frame structure of the system is designed, and the system structure and the operation principle of each part are analyzed. The characteristics of the key parts of the system and its role in the system are described in detail. On the basis of this theory, the control strategy is formulated. Firstly, the control methods of each part are studied and designed to the wind energy. The maximum power tracking control is carried out in the solar power branch, and the disturbance measurement method is adopted. The control of the total circuit is based on the change of light intensity and wind speed. The biogas generator is a small steam turbine, according to the conditions of energy start-up control. The battery should be connected to the circuit under any operating condition, which can stabilize the DC bus voltage: when the other energy generation power is too large. The system will charge the battery; When the other energy supply is insufficient, the battery discharge is used to replenish the energy of the system. Finally, the whole system model is constructed according to the circuit structure diagram, and the wind power generation and photovoltaic power generation for each part of the system. The control model of biogas generator and battery is analyzed.
【學(xué)位授予單位】：華北電力大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2016
【分類號】：TM61

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