本文選題：工頻通信　切入點：電力線載波通信　出處：《電力系統(tǒng)自動化》2017年03期

【摘要】：對于配電網(wǎng)低壓側(cè)電力線通信網(wǎng)絡(luò)而言,電力線信道具有未知性、時變性、多樣性等特點,在實際應(yīng)用中存在著通信可靠性較低的問題。而電力線雙向工頻通信系統(tǒng)(TWACS)具有抗干擾、抗衰減能力強的優(yōu)勢。目前路徑搜索信令和數(shù)據(jù)傳輸都采用同樣的技術(shù)傳輸。路徑搜索信令通信可靠性低會嚴重制約路徑接力算法的選擇和中繼接力的效果。對此,文中在闡述低壓配電網(wǎng)電力線載波通信網(wǎng)絡(luò)拓撲和特征的基礎(chǔ)上,提出了一種融合TWACS的電力線載波路徑搜索算法。對初始路由表進行優(yōu)化、參數(shù)分析及對比分析,來說明該算法的有效性及優(yōu)越性。同時,分析了路徑搜索算法的抗毀性。從理論上深入歸納、分析和總結(jié)了該算法的建模理論。結(jié)果表明算法在提高有效性和可靠性等方面優(yōu)勢明顯,能夠更好地滿足配電網(wǎng)中電力線中繼傳輸需求。
[Abstract]:For the power line communication network on the low-voltage side of the distribution network, the power line channel is characterized by unknown, time-varying and diverse. In the practical application, there is the problem of low reliability of communication, and the power line bidirectional power frequency communication system (TWACS) has anti-interference. At present, the same technology is used for both path search signaling and data transmission. The low reliability of path search signaling communication will seriously restrict the selection of path relay algorithm and the effect of relay relay. On the basis of describing the topology and characteristics of power line carrier communication network in low voltage distribution network, a power line carrier path search algorithm based on TWACS is proposed in this paper. The initial routing table is optimized, parameter analysis and contrast analysis are carried out. At the same time, the invulnerability of the path search algorithm is analyzed. The modeling theory of the algorithm is analyzed and summarized. The results show that the algorithm has obvious advantages in improving efficiency and reliability and can better meet the needs of power line relay transmission in distribution network.
【作者單位】： 華北電力大學電氣與電子工程學院;重慶電力高等專科學校;
【分類號】：TM73;TN913.6

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本文編號：1690521