基于節(jié)點(diǎn)狀態(tài)優(yōu)化的配電網(wǎng)故障恢復(fù)混合整數(shù)線性規(guī)劃方法
本文選題:配電網(wǎng) + 節(jié)點(diǎn)狀態(tài)變量。 參考:《電力自動(dòng)化設(shè)備》2017年01期
【摘要】:為準(zhǔn)確、快速地獲取配電網(wǎng)故障恢復(fù)最優(yōu)策略,提出基于節(jié)點(diǎn)狀態(tài)優(yōu)化的故障恢復(fù)混合整數(shù)線性規(guī)劃方法。首先提出節(jié)點(diǎn)狀態(tài)變量概念及其節(jié)點(diǎn)屬性和電源屬性,在此基礎(chǔ)上建立節(jié)點(diǎn)狀態(tài)變量-開(kāi)關(guān)狀態(tài)變量的線性函數(shù)關(guān)系,即開(kāi)關(guān)狀態(tài)線性模型;然后運(yùn)用恒功率負(fù)荷線性化方法,建立基于基爾霍夫定律的電流及電壓線性等式,等式中節(jié)點(diǎn)電壓及支路電流等狀態(tài)變量受節(jié)點(diǎn)狀態(tài)變量及開(kāi)關(guān)狀態(tài)變量的約束;最后形成以切負(fù)荷及開(kāi)關(guān)操作次數(shù)最少為目標(biāo)的故障配電網(wǎng)最優(yōu)潮流混合整數(shù)線性規(guī)劃模型,即故障恢復(fù)模型。算例仿真驗(yàn)證了所提模型的合理性及有效性。
[Abstract]:In order to obtain the optimal strategy for fault recovery of distribution network accurately and quickly, a hybrid integer linear programming method for fault recovery based on node state optimization is proposed. Firstly, the concept of node state variable, its node attribute and power supply attribute are proposed, and then the linear function relationship between node state variable and switching state variable is established, which is called switching state linear model, and then the method of constant power load linearization is used. A linear equation of current and voltage based on Kirchhoff's law is established in which the state variables such as node voltage and branch current are constrained by node state variables and switching state variables. Finally, a hybrid integer linear programming model for optimal power flow in a fault distribution network, i.e., a fault recovery model, is developed, which aims at minimizing the load cutting and switching operation times. The simulation results show that the proposed model is reasonable and effective.
【作者單位】: 華北電力大學(xué)電氣與電子工程學(xué)院;
【分類號(hào)】:TM732
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