今夏浙江虚拟电厂响应电量达千万级|国产无遮挡AAA片爽爽

1. 国产3a

  中新网杭州9月1日电(鲍梦妮 张悦)据国网浙江电力9月1日消息,今夏浙江全社会最高用电负荷4次刷新纪录,冲至1.31亿千瓦的历史峰值。虚拟电厂灵活高效、低碳环保的用能管理方式,契合浙江用电负荷密度高、负荷峰谷差大特性,成为守护城市用电的“隐形调节器”。

  自浙江新型主体市场化响应开启常态化运行以来,全省累计开展10轮次、共18小时的响应需求,最多吸引28家虚拟电厂参与,参与的二级用户达7120户次,单日最大响应负荷达92万千瓦,相当于瞬时“唤醒”一座中小型火电厂的供电能力,累计响应电量约1000万千瓦时,预计将向市场主体发放补贴约800万元。

浙江省电力负荷管理中心监测实时响应数据。 黄臻 摄

  传统电厂靠烧煤发电,虚拟电厂靠调整用电需求“发电”。分布式电源、分布式储能、充电桩、空调负荷、工业可调节负荷等不同类型的分布式资源就像是“沙”,通过虚拟电厂,可实现“聚沙成塔”,整合为统一调度的“城市电力调节池”,动态响应供需变化。

  在参与电网供需互动过程中,浙江各地虚拟电厂聚合调用了多种类用户侧资源,探索多元场景中的负荷潜力挖潜。

  在杭州,电动汽车、商业空调等柔性调节资源得到充分激活。杭州(综能)虚拟电厂一方面联动V2G充电桩及新能源重型卡车,在响应时段实施反向送电,目前已覆盖萧山、富阳等5处充电站共24个桩,总放电量超3000千瓦时,相当于为1000多户家庭提供1小时空调用电;另一方面借助空调柔性调控技术,将分散的商业楼宇空调负荷转化为可复用、可调度的虚拟电厂资源。

  在丽水,每个企业的负荷资源得到充分评估。丽水(综能)虚拟电厂推行“一企一策”动态调节机制,科学划分负荷响应机动性,并通过能源商城创新“平时服务+战时响应”模式,为入驻企业提供用能优化、绿电聚合交易等增值服务,换取可调资源参与虚拟电厂调节。目前,该虚拟电厂已聚合157家企业,形成39.7万千瓦调节能力,累计响应电量85万千瓦时,用户收益超70万元。

  “我们根据历史响应数据对聚合用户画像,指导运营商科学制定科学调节机制,进一步帮助运营主体提升响应效率,应邀主体、响应规模、响应精准度逐步提升。”浙江省电力负荷管理中心副主任程颖介绍。目前浙江已注册接入虚拟电厂36家,聚合二级用户4511户,并实行“AI大数据+实测”双认证机制。经35次实测评估后,浙江全省已具备日前、日内最大可调能力148.2万千瓦、22.5万千瓦。(完)

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