【摘要】：低碳背景下,清潔能源大規(guī)模并網(wǎng)后對系統(tǒng)低碳效益的影響越來越受關(guān)注,而常規(guī)生產(chǎn)模擬無法精確地對其做出評估。為此,借鑒展開型表述形式提出了一種富于結(jié)構(gòu)性的隨機(jī)生產(chǎn)模擬。該方法首先以同一時(shí)刻風(fēng)速分布特性作為風(fēng)電機(jī)組輸出功率典型場景的選取依據(jù),構(gòu)造風(fēng)電展開型表述模型;其次在保留負(fù)荷時(shí)序性基礎(chǔ)上引入機(jī)組加載率,結(jié)合概率計(jì)算全面分析常規(guī)機(jī)組的啟停因素,進(jìn)而評估清潔能源并網(wǎng)對系統(tǒng)低碳效益的負(fù)面影響。同時(shí)在算法中,考慮了機(jī)組計(jì)劃停運(yùn)工況,保證模擬的合理性,并采用均攤舍入法減緩系統(tǒng)狀態(tài)數(shù)的爆炸增長。通過算例分析進(jìn)一步表明了所提模型和算法的正確性與優(yōu)越性。
[Abstract]:Under the background of low carbon, more and more attention has been paid to the impact of clean energy on the low carbon efficiency of the system after large scale grid connection, but the conventional production simulation can not accurately evaluate it. For this reason, a structural stochastic production simulation is proposed by using the expanded expression for reference. Firstly, the wind speed distribution characteristics at the same time are used as the basis for the selection of typical scenarios of wind turbine output power, and the wind power expansion expression model is constructed. Secondly, on the basis of retaining load timing, the loading rate of the unit is introduced, and the starting and stopping factors of the conventional unit are analyzed comprehensively with probability calculation, and then the negative influence of clean energy grid connection on the low carbon benefit of the system is evaluated. At the same time, in the algorithm, the planned shutdown condition of the unit is considered to ensure the rationality of the simulation, and the homing method is used to slow down the explosion growth of the state number of the system. The correctness and superiority of the proposed model and algorithm are further illustrated by an example.
【作者單位】： 華北電力大學(xué)電氣與電子工程學(xué)院;
【分類號】：TM614;TM743
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本文編號：2494345