發(fā)布時(shí)間：2019-04-24 04:14

【摘要】：隨著我國國民經(jīng)濟(jì)和城市的發(fā)展，用戶對配電網(wǎng)的供電可靠性提出了越來越高的要求。在國家電網(wǎng)公司提出的堅(jiān)強(qiáng)智能電網(wǎng)構(gòu)想中，，配電網(wǎng)與用戶直接聯(lián)系，保證配電網(wǎng)的可靠性、電能質(zhì)量、提高配電網(wǎng)的運(yùn)行效率和創(chuàng)新服務(wù)是建設(shè)堅(jiān)強(qiáng)智能電網(wǎng)關(guān)鍵環(huán)節(jié)，也是堅(jiān)強(qiáng)智能電網(wǎng)的重要工作內(nèi)容。也是堅(jiān)強(qiáng)智能電網(wǎng)的重要工作內(nèi)容。配電網(wǎng)故障后自動(dòng)準(zhǔn)確定位、迅速隔離以及快速恢復(fù)供電是堅(jiān)強(qiáng)智能電網(wǎng)配電自動(dòng)化建設(shè)中最基本、最重要的部分。本文在智能配電網(wǎng)背景下，對配電網(wǎng)的故障快速恢復(fù)問題中的故障定位、網(wǎng)絡(luò)重構(gòu)和故障恢復(fù)策略進(jìn)行了研究。 首先，本文根據(jù)配電網(wǎng)的故障特點(diǎn)，建立了含有約束條件的配電網(wǎng)故障快速恢復(fù)模型，并對配電網(wǎng)故障恢復(fù)的基礎(chǔ)性問題，網(wǎng)絡(luò)拓?fù)渌阉骱统绷鞣治鲞M(jìn)行了研究；然后本文根據(jù)智能配電網(wǎng)的特點(diǎn)，研究了基于改進(jìn)矩陣算法的配電網(wǎng)故障定位算法和基于Agent和二進(jìn)制粒子群算法的配電網(wǎng)重構(gòu)算法，為故障恢復(fù)策略的提出奠定理論基礎(chǔ)；最后，本文根據(jù)故障恢復(fù)模型、故障定位算法和配電網(wǎng)重構(gòu)算法，編制了35kV電源故障和10kV電網(wǎng)故障的故障快速恢復(fù)策略，并以南昌市的配電網(wǎng)為實(shí)際算例，對提出的算法進(jìn)行分析，驗(yàn)證所提出算法的合理性和有效性。
[Abstract]:With the development of our country's national economy and city, users put forward higher and higher requirements for power supply reliability of distribution network. In the concept of strong smart grid put forward by State Grid Corporation, the key link of building a strong smart grid is the direct connection between distribution network and users to ensure the reliability of distribution network, the quality of power, the improvement of operation efficiency and innovative service of distribution network. Is also a strong smart grid important work content. Is also a strong smart grid important work content. Automatic and accurate location, rapid isolation and rapid restoration of power supply after distribution network faults are the most basic and important parts in the construction of distribution automation in a strong smart grid. Under the background of intelligent distribution network, this paper studies the fault location, network reconfiguration and fault recovery strategy in the fast fault recovery problem of distribution network. Firstly, according to the fault characteristics of distribution network, this paper establishes a fast fault recovery model of distribution network with constraints, and studies the basic problems of distribution network fault recovery, network topology search and power flow analysis. Then according to the characteristics of the intelligent distribution network, this paper studies the distribution network fault location algorithm based on the improved matrix algorithm and the distribution network reconfiguration algorithm based on Agent and binary particle swarm optimization algorithm, which lays a theoretical foundation for the proposal of the fault recovery strategy. Finally, according to the fault recovery model, fault location algorithm and distribution network reconfiguration algorithm, the fast recovery strategy of 35kV power supply fault and 10kV power network fault is worked out, and the distribution network in Nanchang City is taken as a practical example. The proposed algorithm is analyzed to verify the rationality and effectiveness of the proposed algorithm.
【學(xué)位授予單位】：華北電力大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TM711

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本文編號：2464095