基于損耗因數(shù)的干式串聯(lián)電抗器匝間絕緣狀態(tài)監(jiān)測(cè)技術(shù)
謝同平1，于洋1，劉興華1，魯堯2，咸日常2
（1 國(guó)網(wǎng)山東省電力公司淄博供電公司，山東 淄博 255000；
2 山東理工大學(xué) 電氣與電子工程學(xué)院，山東 淄博 255049）
摘 要：無(wú)功補(bǔ)償成套裝置中的串聯(lián)電抗器采用固體絕緣結(jié)構(gòu)，針對(duì)其運(yùn)行中匝間短路故障頻發(fā)且檢測(cè)手段不足問(wèn)題，提出了基于損耗因數(shù)的串聯(lián)電抗器匝間絕緣監(jiān)測(cè)技術(shù)。分析了串聯(lián)電抗器發(fā)生匝間短路故障的原因，建立電抗器匝間短路等效電路，針對(duì)其故障特征研究了電抗器匝間短路監(jiān)測(cè)的技術(shù)方案，并通過(guò)有限元仿真軟件驗(yàn)證了所提方案的可行性和有效性。
關(guān)鍵詞：串聯(lián)電抗器；匝間絕緣；損耗因數(shù)；監(jiān)測(cè)技術(shù)
中圖分類號(hào)：TM47 文獻(xiàn)標(biāo)識(shí)碼：A 文章編號(hào)：1007-3175(2021)01-0047-04
Inter-Turn Insulation State Monitoring Technology of Dry-Type
Series Reactor Based on Loss Factor
XIE Tong-ping1, YU Yang1, LIU Xing-hua1, LU Yao2, XIAN Ri-chang2
（1 Zibo Power Supply Company of State Grid Shandong Electric Power Corporation, Zibo 255000, China;
2 School of Electrical and Electronic Engineering, Shandong University of Technology, Zibo 255049, China）
Abstract: The series reactor in the complete set of reactive power compensation device adopts a solid insulation structure. Aiming at theproblems of frequent occurrence of inter-turn short-circuit faults of series reactors in reactive power compensation equipment and insufficientdetection methods, this paper proposed a monitoring technique for inter-turn insulation of series reactors based on loss factor. And the causeof the inter-turn short-circuit fault of the series reactor was briefly analyzed; then, the equivalent circuit of the inter-turn short circuit of thereactor was established, and the technical scheme of the inter-turn short circuit monitoring of the reactor was studied according to its faultcharacteristics; Finally, the feasibility and effectiveness of the proposed scheme are verified by finite element simulation software.
Key words: series reactor; inter-turn insulation; loss factor; monitoring technology
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