【摘要】：針對電網(wǎng)調(diào)度對微電網(wǎng)運行提出的要求,將可中斷負荷處理成一種主動參與微電網(wǎng)運行的可調(diào)度資源,分別建立計及可中斷負荷的特定時段聯(lián)絡線削峰填谷以及聯(lián)絡線波動最小的多目標調(diào)度策略數(shù)學模型,基于上海地區(qū)微電網(wǎng)數(shù)據(jù)進行算例仿真,驗證了模型的有效性,比較了單目標優(yōu)化和多目標優(yōu)化對微電網(wǎng)優(yōu)化運行的影響。利用非線性規(guī)劃工具進行求解,獲得全局最優(yōu)解。算例結果表明,計及可中斷負荷的考慮特定時段聯(lián)絡線削峰填谷微電網(wǎng)多目標優(yōu)化運行模型使得微電網(wǎng)可以有效協(xié)助大電網(wǎng)進行削峰填谷,為電網(wǎng)公司制定合理的補償政策提供參考;計及可中斷負荷的考慮聯(lián)絡線波動最小微電網(wǎng)多目標優(yōu)化運行模型明顯降低運行成本的同時減少了聯(lián)絡線波動對上級電網(wǎng)的影響。
[Abstract]:In view of the requirements of power grid dispatching for microgrid operation, the interruptible load is treated as a schedulable resource that actively participates in the operation of microgrid. The mathematical models of multi-objective scheduling strategy for peak-cutting and valley-cutting of tie-line and minimum fluctuation of tie-line considering interruptible load are established respectively. Based on the data of micro-grid in Shanghai, the simulation results show that the model is effective. The effects of single-objective optimization and multi-objective optimization on optimal operation of microgrid are compared. The global optimal solution is obtained by using nonlinear programming tools. The numerical results show that considering the interruptible load, the multi-objective optimal operation model of the micro-grid with peak-shaving and valley-cutting of tie-line considering the interruptible load makes the micro-grid effectively assist the large-scale power grid to cut the peak and fill the valley. To provide reference for power grid company to formulate reasonable compensation policy; Considering the interruptible load, the multi-objective optimal operation model considering the minimum fluctuation of tie-line not only reduces the operating cost, but also reduces the influence of tie-line fluctuation on the upper power grid.
【作者單位】： 上海電力學院電氣工程學院;國家電網(wǎng)華東電力調(diào)控分中心;國家創(chuàng)新能源研究院;
【基金】：國家青年自然基金(51407113) 上海綠色能源并網(wǎng)工程技術研究中心資助項目(13DZ2251900)“電氣工程”上海市II類高原學科~~
【分類號】：TM727

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