(活力中国调研行)深藏秦岭的“电力银行”:“满抽满发”促新能源消纳|avtt2014天堂网
中新网陕西商洛7月12日电 (李一璠)“抽水蓄能电站是利用电力系统负荷低谷时段剩余电力,将水从下水库抽到上水库储存电能,在用电高峰或者系统需要灵活调节时将水从上水库放出到下水库发电,为系统提供顶峰电能和辅助服务。”陕西镇安抽水蓄能有限公司总经理徐宏伟12日讲解道。
当日,中新网记者跟随“活力中国调研行·万千气象看陕西”主题采访团走进陕西省商洛市,探访陕西首座抽水蓄能电站——国网新源陕西镇安抽水蓄能电站(以下简称“国网新源镇安电站”)。
位于商洛市镇安县月河镇的国网新源镇安电站,由上水库、下水库、输水系统、地下厂房和地面开关站等部分组成,设计年发电量23.4亿千瓦时、年抽水电量31.21亿千瓦时。
深入埋深300多米的地下厂房,记者看到4台单机容量35万千瓦的可逆式水泵水轮发电电动机组正在运作,总装机容量140万千瓦,以两回330千伏线路接入西北电网。
国网新源镇安电站投产以来,机组保持每天“满抽满发”运行方式,机组启停成功率达99.87%,转换效率达80%。投运以来,已顺利完成迎峰度夏、迎峰度冬、重大节日等多项保电工作,充分发挥调峰、调频、调相、储能、系统备用、黑启动等功能作用,有效提高西北地区新能源消纳能力。
陕西镇安抽水蓄能有限公司运行部主任肖云峰介绍,国网新源镇安电站将绿色低碳理念贯穿在电站选址规划、可研设计、工程建设和调度运行各环节。在选址规划上,国网新源镇安电站下水库沿用天然河道,库盆山体的施工开挖填筑面积小,极大保护了原有生态。施工建设中,高标准执行秦岭生态环境保护相关要求,建设应用环境监测系统,制订详细的废水、废弃物回收利用流程,实现“零排放”“零泄漏”“零污染”。
同时,国网新源镇安电站还建设地质灾害卫星遥感监测预警系统,在高陡边坡安装北斗卫星监测30台,综合利用多种卫星资源,结合地面形变监测传感器和视频图像智能识别,实现不同时间、空间尺度相结合的地质灾害立体化、高精度、大范围的监测评估预警。
“本电站运行充分运用智能化技术,借助远动、通信、监控等集成化信息技术,在中控室进行机组启停、工况转换等远程操作,利用智能在线监测系统,接收设备振动、温度等运行信息,实现无人值班,少人值守的新模式。”徐宏伟说道。
国网新源镇安电站的落成实现了陕西省电网调节性电源的新突破,为区域电网、“西电东送”主通道提供安全可靠、灵活高效、绿色清洁的调节电源保障;同时服务陕西能源清洁低碳转型与经济社会发展,推动新型电力系统和新型能源体系建设。(完)
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