本文選題：風(fēng)電場(chǎng) + 光伏電站　； 參考：《華北電力大學(xué)》2014年碩士論文

【摘要】：常規(guī)能源短缺以及應(yīng)用過程中對(duì)環(huán)境的污染問題使得新能源越來越受到人們的廣泛關(guān)注,其中風(fēng)能和太陽能是新能源中最具有應(yīng)用前景的兩種。風(fēng)力發(fā)電與光伏發(fā)電同常規(guī)能源發(fā)電形式相同,都能提供一定的可信容量,對(duì)系統(tǒng)可靠性帶來一定的貢獻(xiàn)；但同時(shí),兩種形式的新能源發(fā)電都具有隨機(jī)性和波動(dòng)性的特點(diǎn),大規(guī)模并網(wǎng)后也會(huì)對(duì)系統(tǒng)的穩(wěn)定運(yùn)行帶來不利的影響。因此有必要對(duì)大規(guī)模新能源并網(wǎng)后的可靠性以及容量可信度問題進(jìn)行研究。 本文首先建立了風(fēng)電場(chǎng)和光伏電站的發(fā)電模型,應(yīng)用威布爾分布法并結(jié)合尾流效應(yīng)模型模擬風(fēng)電場(chǎng)的風(fēng)速,應(yīng)用Beta分布模擬光照強(qiáng)度,建立了風(fēng)電場(chǎng)以及光伏電站的發(fā)電模型,并給出這兩種新能源每小時(shí)輸出功率的計(jì)算方法。其次從蒙特卡洛仿真原理出發(fā),對(duì)比了序貫蒙特卡洛方法以及非序貫蒙特卡洛方法的適用范圍,采用序貫蒙特卡洛方法,建立了含新能源的發(fā)輸電系統(tǒng)可靠性評(píng)估模型,對(duì)含有風(fēng)電場(chǎng)和光伏電站這兩種新能源的發(fā)輸電系統(tǒng)進(jìn)行可靠性評(píng)估。應(yīng)用Matlab編寫程序,將風(fēng)電場(chǎng)以及光伏電站接入IEEE-RTS79可靠性測(cè)試系統(tǒng)中進(jìn)行可靠性指標(biāo)的計(jì)算。對(duì)比了接入新能源容量的不同以及接入節(jié)點(diǎn)位置的不同對(duì)系統(tǒng)可靠性的影響；同時(shí)對(duì)比了風(fēng)光同時(shí)接入系統(tǒng)與單獨(dú)接入系統(tǒng)對(duì)可靠性的影響。在前兩部分內(nèi)容的基礎(chǔ)上,對(duì)新能源的容量可信度問題進(jìn)行研究,以有效載荷能力作為基礎(chǔ),提出了新能源容量可信度的定義以及計(jì)算方法。結(jié)合序貫蒙特卡洛仿真,采用弦截法,以IEEE-RTS79標(biāo)準(zhǔn)測(cè)試系統(tǒng)為例,對(duì)風(fēng)電場(chǎng)以及光伏電站的容量可信度進(jìn)行評(píng)估,并對(duì)結(jié)果進(jìn)行分析。 通過算例計(jì)算,評(píng)估了風(fēng)電場(chǎng)以及光伏電站接入系統(tǒng)后的可靠性及其容量?jī)r(jià)值,對(duì)新能源的規(guī)劃問題有一定的參考作用。
[Abstract]:The problem of environmental pollution and the shortage of conventional energy in the process of application of new energy makes people pay more and more attention, including wind and solar are two of the most promising new energy. Wind power and photovoltaic power generation with conventional energy generation form is the same, can provide reliable capacity, bring some contribution to the reliability of the system; but at the same time, two kinds of new energy power generation has the characteristics of randomness and volatility, large-scale grid will also have adverse effects on stable operation of the system. Therefore, it is necessary to study the large-scale new energy grid capacity reliability and credibility.
This paper established a model of wind power generation and photovoltaic power plants, wind speed application of Weibull distribution method combined with the wake effect model of wind farm, the application of Beta to simulate the distribution of light intensity, wind farm is established and photovoltaic power generation model, the calculating method of two kinds of new energy power output per hour was given. Secondly from Monte Carlo simulation principle, the scope of comparative sequential Monte Carlo method and non sequential Monte Carlo method, sequential Monte Carlo method, established the new energy power generation and transmission system reliability evaluation model to evaluate the reliability of power system containing wind and photovoltaic power stations of the two new energy. The application of Matlab program. The wind and photovoltaic power station access IEEE-RTS79 reliability test system reliability index calculation. Comparing the access of new energy capacity The different location and different access node on the reliability of the system; at the same time affect the scenery at the same time access system and separate access system on the reliability comparison. On the basis of the first two parts, research capacity credibility problem for new energy, in order to effectively load capacity as the basis, put forward the definition of new energy capacity credit and the calculation method. Combined with the sequential Monte Carlo simulation, using the secant method, based on IEEE-RTS79 standard test system as an example, to evaluate the capacity of wind and photovoltaic power plant reliability, and the results were analyzed.
The reliability and capacity value of the wind farm and photovoltaic power station after the access to the system are evaluated through calculation example, which has a certain reference function for the planning of new energy.

【學(xué)位授予單位】：華北電力大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TM61

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