基于柔性直流的±10kV智能配电系统接地方案研究

来源 :中国电机工程学会高电压专业委员会2015年学术年会 | 被引量 : 0次 | 上传用户：L936355705

【摘要】

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【作者】

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何秋萍韩永霞郭子轩阮耀萱赵宇明姚森敬刘国伟

【机构】

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华南理工大学电力学院,广州 510640 深圳供电局有限公司,深圳518000

【出处】

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中国电机工程学会高电压专业委员会2015年学术年会

【发表日期】

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2015年5期

【关键词】

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智能配电系统系统规划接地方案柔性直流电网

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论文部分内容阅读

基于柔性直流的智能配电系统是国内外的研究热点,接地方案是直流配电系统规划设计的重要组成部分,也是过电压与绝缘配合和系统保护研究的基础,论文针对直流配电系统的接地方案开展了理论分析和仿真研究.本文结合系统主接线方式、入地电流要求、直流偏磁和继电保护要求等理论分析了接地方式和接地电阻的取值范围,并在PSCAD/EMTDC软件中建立了基于柔性直流的±10kV直流配电系统仿真模型,仿真分析了单极接地故障时关键位置的电流和电压特性,验证了接地方案可行性,为系统设计提供了依据.论文的研究思路和方法可为其它形式或电压等级的基于柔性技术的直流配网接地方案研究提供参考,具有重要的理论和工程应用价值.

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基于柔性直流的±10kV智能配电系统接地方案研究

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