發(fā)布時(shí)間：2018-04-08 21:32

  本文選題：分布式電源　切入點(diǎn)：微電網(wǎng)　出處：《電機(jī)與控制學(xué)報(bào)》2017年05期

【摘要】：合理利用多種形式能源為負(fù)荷供電可以有效提高微電網(wǎng)運(yùn)行經(jīng)濟(jì)和可靠性,然而目前微電源的前期選址定容和后期優(yōu)化運(yùn)行均孤立考慮,為了充分發(fā)揮其靈活供電能力,提出一種基于光伏、電池組以及柴油發(fā)電機(jī)的混合供電系統(tǒng)規(guī)劃策略。首先,給出了光伏-電池組-柴油發(fā)電機(jī)混合供電系統(tǒng)能量運(yùn)行方式,提高其運(yùn)行經(jīng)濟(jì)性和靈活性;其次,提出了綜合考慮多電源定位規(guī)劃和運(yùn)行優(yōu)化的多目標(biāo)優(yōu)化模型,不僅減小總投資、運(yùn)行維護(hù)成本、上級電網(wǎng)輸送功率引起的網(wǎng)損及緊急情況引起的切負(fù)荷發(fā)生概率,同時(shí)可以使剩余能量反送給上級電網(wǎng);最后,給出了基于粒子群優(yōu)化人工蜂群算法改進(jìn)求解方法,有效提高收斂速度。仿真結(jié)果證明,所提出的規(guī)劃策略可顯著提高微電網(wǎng)運(yùn)行的經(jīng)濟(jì)性和可靠性。
[Abstract]:Reasonable use of various forms of energy for load power supply can effectively improve the operation economy and reliability of microgrid. However, at present, in order to give full play to its flexible power supply capability, the current micro-power supply system is considered in isolation for its pre-site location and capacity determination and for its later optimal operation.A hybrid power supply system planning strategy based on PV, battery pack and diesel generator is proposed.Firstly, the energy operation mode of photovoltaic battery pack diesel generator hybrid power supply system is presented to improve its operation economy and flexibility. Secondly, a multi-objective optimization model considering multi-source location planning and operation optimization is proposed.It not only reduces the total investment, operation and maintenance cost, network loss caused by the transmission power of higher power grid and the probability of cutting load caused by emergency situation, but also causes the residual energy to be sent back to the higher power network.An improved algorithm based on particle swarm optimization (PSO) is presented to improve the convergence rate.Simulation results show that the proposed planning strategy can significantly improve the economy and reliability of microgrid operation.
【作者單位】： 沈陽工業(yè)大學(xué)電氣工程學(xué)院;國網(wǎng)遼寧省電力有限公司電力科學(xué)研究院;中國電力科學(xué)研究院;
【基金】：國家863計(jì)劃項(xiàng)目(2015AA050403) 國家電網(wǎng)公司科技項(xiàng)目(廣域分布式電源動態(tài)管控與運(yùn)行分析關(guān)鍵技術(shù)研究與開發(fā))
【分類號】：TM715;TM727

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