(资料图片仅供参考)
有效提高当地农网供电可靠性
河北南网首个偏远山区低压侧储能微网建成投运
河北日报讯(记者曹智 通讯员康伟)4月20日,河北南网首个偏远山区低压侧储能微网在石家庄市平山县蹅马村建成投运,有效提高了当地农网供电可靠性。
蹅马村地处平山县深山区,全村由35千伏康庄变电站和10千伏踏马线供电,电力线路全长约25公里。蹅马村位于供电线路最末端,一旦出现故障,工作人员从供电所出发到蹅马村耗时约40分钟,且山路崎岖,故障排查和修复时间较长。
蹅马村低压侧储能微网由1套储能装置和1台配电柜组成,占地仅3.3平方米,利用现有电网基础在变压器低压侧接入。
“低压侧储能微网投用后,再遇到突发故障,微网能为蹅马村连续供电24小时,我们排查故障时心里踏实多了。”国网平山县供电公司小觉服务站负责人梁硕介绍,微网能够自动检测故障并在3秒左右实现自动切换供电。故障修复后,微网自动转入并网运行状态,切换过程村民用电不会受到影响。同时,微网还可以检测蹅马村电压,并对末端电压进行调节,让电压更稳定。
“蹅马村低压侧储能微网是国网石家庄供电公司探索服务偏远山区末端用电的一次尝试,我们将为偏远山区和特殊用电单位提供更好用电体验。”国网石家庄供电公司发展策划部副主任赵杰表示。
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