CN113765094A - 虚拟电厂的控制装置 - Google Patents
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Abstract
本发明涉及的虚拟电厂的控制装置是通过控制搭载于车辆的蓄电池的充放电动作来调整配送电网内的电力的供需平衡的虚拟电厂的控制装置,其特征在于,具备:推定单元,其基于车辆的过去的行动模式,推定在充放电动作请求时的车辆参加虚拟电厂的可能性;以及控制单元,其基于推定单元的推定结果,控制搭载于车辆的蓄电池的充放电动作。由此,提供能够根据车辆的状态适当地控制构成虚拟电厂的车辆组整体的充放电动作的虚拟电厂的控制装置。
Description
技术领域
本发明涉及虚拟电厂(VPP:Virtual Power Plant,虚拟动力装置)的控制装置。
背景技术
专利文献1中记载了一种方法:基于电动车辆的过去的行驶历史记录以及充电历史记录,推测电动车辆的行驶路径以及充电地点,并基于推测结果来提醒驾驶员注意向电动车辆连接充电插头。
现有技术文献
专利文献1:日本特开2019-91433号公报
发明内容
发明所要解决的问题
近年来,正在进行通过对搭载于电动车辆等车辆的电池(battery)的充放电动作加以控制来调整配电网内的电力的供需平衡的虚拟电厂(VPP)的开发。为了适当地运用该虚拟电厂,需要适当地控制构成虚拟电厂的车辆组整体的充放电动作。因此,期待提供一种能够根据车辆的状态适当地控制构成虚拟电厂的车辆组整体的充放电动作的技术。
本发明是鉴于上述而做出的,目的在于提供一种能够根据车辆的状态适当地控制构成虚拟电厂的车辆组整体的充放电动作的虚拟电厂的控制装置。
用于解决问题的技术方案
本发明涉及的虚拟电厂的控制装置,是通过控制搭载于车辆的蓄电池的充放电动作来调整配送电网内的电力的供需平衡的虚拟电厂的控制装置,具备:推定单元,其基于所述车辆的过去的行动模式(pattern),推定在充放电动作请求时的车辆参加(参与)虚拟电厂的可能性;以及控制单元,其基于所述推定单元的推定结果,控制搭载于车辆的蓄电池的充放电动作。
根据这种虚拟电厂的控制装置,由于考虑在充放电动作请求时的车辆参加虚拟电厂的可能性来控制搭载于车辆的蓄电池的充放电动作,因此能够根据车辆的状态适当地控制构成虚拟电厂的车辆组整体的充放电动作。
此外,所述推定单元也可以推定在充放电动作请求时的车辆的停车(泊车)率,基于推定出的停车率来推定车辆参加虚拟电厂的可能性。由此,能够根据车辆的状态高精度地控制构成虚拟电厂的车辆组整体的充放电动作。
另外,所述推定单元也可以基于所述停车率来推定在充放电动作请求时能够进行充放电动作的车辆的台数。由此,能够根据车辆的状态高精度地控制构成虚拟电厂的车辆组整体的充放电动作。
另外,所述推定单元也可以以车辆组为单位推定在充放电动作请求时的参加虚拟电厂的可能性。
发明效果
根据本发明涉及的虚拟电厂的控制装置,由于考虑在充放电动作请求时的车辆参加虚拟电厂的可能性来控制搭载于车辆的蓄电池的充放电动作,因此能够根据车辆的状态适当地控制构成虚拟电厂的车辆组整体的充放电动作。
附图说明
图1是表示本发明的一个实施方式涉及的虚拟电厂的构成的示意图。
图2是表示本发明的一个实施方式涉及的行动模式模型(model)制作处理的流程的流程图。
图3是表示停车率的平均值的时间变化的一例的图。
图4是表示每个住宅和每个工作(上班)地点的停车台数的平均值的时间变化的一例的图。
图5是表示每个平日(工作日)和每个休息日的停车率的平均值以及标准偏差的时间变化的一例的图。
图6是表示本发明的一个实施方式涉及的充放电控制处理的流程的流程图。
标号说明
1虚拟电厂;2车辆;3电力公司;4数据库服务器;5数据处理服务器;6控制服务器;7电信线路;8充电站。
具体实施方式
以下,参照附图,对本发明的一个实施方式涉及的虚拟电厂进行详细说明。
〔构成〕
首先,参照图1,对本发明的一个实施方式涉及的虚拟电厂的构成进行说明。
图1是表示本发明的一个实施方式涉及的虚拟电厂的构成的示意图。如图1所示,本发明的一个实施方式涉及的虚拟电厂1是通过对搭载于车辆2的电池的充放电动作进行控制来调整配送电网内的电力的供需平衡的***。在本实施方式中,虚拟电厂1具备多个车辆2、电力公司3、数据库服务器4、数据处理服务器5以及控制服务器6作为主要构成要素,各构成要素构成为能够经由互联网线路、电力线等电信(电通信)线路7相互进行信息通信。
车辆2由混合动力车(HV:Hybrid Vehicle)、电动车(EV:Electric Vehicle)、燃料电池电动车(FCEV:Fuel Cell Electric Vehicle)等车辆构成。车辆2具备能够经由配送电网进行充放电的电池,构成为能够经由电信线路7发送各种车辆数据。车辆数据包含车辆2的识别号(车架号(VIN)等)、车辆数据的取得日期时刻、能够判断点火开关的通断(ON/OFF)状态的信息(短程里程器(trip counter)等)、车辆2的位置信息(充电站8的识别号和/或车辆2的GPS(Global Positioning System,全球定位***)的经度/纬度信息)、行驶距离(里程表(odometer)等)以及电池的SOC(State Of Charge,荷电状态)等信息。车辆2在连接于对电池进行充电的充电站8时,也可以经由充电站8与电信线路7连接而发送车辆数据。
电力公司3经由配送电网将在水力发电站、火力发电站、原子能发电站等周知的发电站发电得到的电力供给到消费者、消费设施,并且购买经由配送电网从消费者、消费设施供给的剩余电力。
数据库服务器4由工作站等周知的信息处理装置构成,具备能够经由电信线路7进行电子信息的写入及读取的数据库。在数据库中存储以预定的控制周期等任意定时经由电信线路7从车辆2取得的车辆数据。
数据处理服务器5由工作站等周知的信息处理装置构成。数据处理服务器5通过执行后述的行动模式模型制作处理,按车辆组(针对每个车辆组)制作推定车辆2的行动模式的行动模式模型。
控制服务器6由工作站等周知的信息处理装置构成。控制服务器6通过执行后述的充放电控制处理,使用由数据处理服务器5制作出的行动模式模型,推定多个车辆2的行动模式,基于推定结果控制多个车辆2的充放电动作。控制服务器6作为本发明涉及的推定单元以及控制单元而发挥功能。
具有这种构成的虚拟电厂1通过执行以下所示的行动模式模型制作处理以及充放电控制处理,从而根据车辆2适当地控制构成虚拟电厂1的车辆组整体的充放电动作。以下,对执行行动模式模型制作处理以及充放电控制处理时的虚拟电厂1的动作进行说明。
〔行动模式模型制作处理〕
图2是表示本发明的一个实施方式涉及的行动模式模型制作处理的流程的流程图。图2所示的流程图在存储于数据库服务器4所具备的数据库的车辆数据被进行了更新时和/或对数据处理服务器5输入了行动模式模型制作处理的执行指令时等预定的定时开始,行动模式模型制作处理前进到步骤S1的处理。
在步骤S1的处理中,数据处理服务器5经由电信线路7取得存储于数据库服务器4所具备的数据库内的车辆数据。由此,步骤S1的处理完成,行动模式模型制作处理前进到步骤S2的处理。
在步骤S2的处理中,数据处理服务器5使用通过步骤S1的处理取得的车辆数据,按车辆2计算每个星期数(星期一~星期日)和每个停车地点(住宅、公司等)的车辆2的停车率(点火开关断开的状态)的平均值的时间变化。具体而言,数据处理服务器5基于车辆数据的取得日期时刻以及车辆2的位置信息,将能够判断点火开关的通断状态的信息按星期数和停车地点进行分类。然后,数据处理服务器5使用分类得到的信息按星期数和停车地点计算车辆2的停车率的平均值的时间变化(例如以1天为单位)。通过该处理,例如能够按星期数和停车地点计算出图3所示那样的表示1天的各个时刻的车辆2的停车率的平均值的曲线L1。此外,在能够利用车辆2的行动预定数据的情况下,数据处理服务器5也可以计算行动预定数据所包含的停车率的预定值与实际值的差量值的时间变化并用于后述的处理。由此,步骤S2的处理完成,行动模式模型制作处理前进到步骤S3的处理。
在步骤S3的处理中,数据处理服务器5将表示通过步骤S2的处理计算出的车辆2的停车率的平均值的时间变化的曲线用特征量进行近似。具体而言,如图3所示,数据处理服务器5使用最小二乘法、最大似然估计法等周知的方法计算将表示停车率的平均值的时间变化的曲线L1近似的近似曲线L2。然后,数据处理服务器5计算近似曲线L2所包含的代表性的峰的时刻、方差值以及停车率的平均值作为特征量。例如在图3所示的例子中,数据处理服务器5计算在时刻T1、T2、T3出现的3个峰的方差值以及停车率的平均值作为特征量。由此,步骤S3的处理完成,行动模式模型制作处理前进到步骤S4的处理。
在步骤S4的处理中,数据处理服务器5使用K均值(K-means)等一般的方法,基于通过步骤S4的处理得到的特征量,将取得了车辆数据的车辆2聚类为特征量类似的多个车辆组。根据该处理,能够构成特征量类似的多个车辆组。由此,步骤S4的处理完成,行动模式模型制作处理前进到步骤S5的处理。
在步骤S5的处理中,数据处理服务器5按照将在步骤S4的处理中生成的一个车辆组合并到其他车辆组等预定的规则,执行多个车辆组的分组,按车辆组生成表示车辆组所包括的车辆2的识别号的列表的车辆组信息。由此,步骤S5的处理完成,行动模式模型制作处理前进到步骤S6的处理。
在步骤S6的处理中,数据处理服务器5参照在步骤S5的处理中生成的车辆组信息,取得对于车辆组所包括的各车辆2求出的特征量。然后,数据处理服务器5按车辆组生成使用周知的统计方法根据取得的各车辆2的特征量计算每个指定时刻的星期数和每个停车地点的车辆2的停车率的统计模型(行动模式模型)。该统计模型是将时刻、星期数、停车地点作为输入变量且将车辆2的停车率作为输出变量的推定车辆2的行动模式的数学式模型,数学式的形式没有特别限定。由此,步骤S6的处理完成,行动模式模型生成处理前进到步骤S7的处理。
在步骤S7的处理中,数据处理服务器5使用在步骤S6的处理中生成的统计模型,按车辆组计算每个星期数和每个停车地点的车辆2的停车率的时间变化以及停车台数的时间变化。由此,步骤S7的处理完成,行动模式模型生成处理前进到步骤S8的处理。
在步骤S8的处理中,数据处理服务器5使用通过步骤S7的处理计算出的每个星期数和每个停车地点的车辆2的停车率以及停车台数的时间变化,按车辆组计算每个星期数和每个停车地点的车辆2的停车率以及停车台数的平均值以及方差值(或者标准偏差值)的时间变化。根据该处理,例如能够按车辆组计算出图4的(a)、(b)所示那样的每个住宅和每个工作地点的停车台数的平均值的时间变化和/或图5的(a)、(b)所示那样的每个平日(曲线组G1)以及每个休息日(曲线组G2)的停车率的平均值以及标准偏差的时间变化。由此,步骤S8的处理完成,行动模式模型生成处理前进到步骤S9的处理。
在步骤S9的处理中,数据处理服务器5按车辆组制作表示在步骤S8的处理中计算出的每个星期数和每个停车地点的车辆2的停车率以及停车台数的平均值以及方差值(或者标准偏差值)的时间变化的停车模式图(pattern map),并存储制作出的停车模式图。由此,步骤S9的处理完成,一系列的行动模式模型生成处理结束。
〔充放电控制处理〕
图6是表示本发明的一个实施方式涉及的充放电控制处理的流程的流程图。图6所示的流程图在制作车辆2的电池的充放电计划时等预定的定时开始,充放电控制处理前进到步骤S11的处理。
在步骤S11的处理中,控制服务器6经由电信线路从数据处理服务器5取得每个车辆组的停车模式图。此外,控制服务器6也可以预先从数据处理服务器5取得停车模式图,读取预先取得的停车模式图。由此,步骤S11的处理完成,充放电控制处理前进到步骤S12的处理。
在步骤S12的处理中,控制服务器6基于在步骤S11的处理中取得的停车模式图,按车辆组推定在制作车辆2的电池的充放电计划的计划制作期间内的各时刻的可参加虚拟电厂1的比例或者台数。具体而言,控制服务器6按车辆组根据在停车模式图中规定的各时刻的停车率以及停车台数的平均值以及方差值计算在指定时刻的车辆2的停车比例或者停车台数作为可参加虚拟电厂1的比例或者台数。由此,步骤S12的处理完成,充放电控制处理前进到步骤S13的处理。
在步骤S13的处理中,控制服务器6从电力公司3取得配送电网内的电力的供需计划信息。然后,控制服务器6通过求解数学规划问题,基于取得的供需计划信息以及通过步骤S12的处理推定出的每个车辆组的可参加虚拟电厂1的比例或者台数,制作用于调整配送电网内的电力的供需平衡的车辆2的电池的充放电计划。具体而言,在电力的需求量大于供给量的时刻,控制服务器6基于可参加虚拟电厂1的比例或者台数决定将电池的电力向配送电网进行放电的车辆组。另一方面,在电力的需求量小于供给量的时刻,基于可参加拟电厂1的比例或者台数决定对电池进行充电的车辆组。根据这种处理,通过有效利用搭载于车辆2的电池的电力来减少发电公司的化石燃料的使用量,能够降低二氧化碳的产生量并且削减燃料费用、设备费用、碳税等社会性费用。由此,步骤S13的处理完成,充放电控制处理前进到步骤S14的处理。
在步骤S14的处理中,控制服务器6基于在步骤S13的处理中制作出的充放电计划,控制车辆2的电池的充放电动作。由此,步骤S14的处理完成,一系列的充放电控制处理结束。
根据以上说明可知,在本发明的一个实施方式涉及的虚拟电厂1中,控制服务器6基于车辆2的过去的行动模式,推定在充放电动作请求时的车辆2参加虚拟电厂1的可能性,并基于推定结果控制搭载于车辆2的电池的充放电动作,因此能够根据车辆2的状态适当地控制构成虚拟电厂1的车辆组整体的充放电动作。
以上,对应用由本发明人做出的发明的实施方式进行了说明,但本发明不由形成基于本实施方式的本发明的公开的一部分的记述以及附图所限定。即,由本领域技术人员等基于本实施方式做出的其他实施方式、实施例以及运用技术等均包含在本发明的范畴内。
Claims (4)
1.一种虚拟电厂的控制装置,是通过控制搭载于车辆的蓄电池的充放电动作来调整配送电网内的电力的供需平衡的虚拟电厂的控制装置,具备:
推定单元,其基于所述车辆的过去的行动模式,推定在充放电动作请求时的车辆参加虚拟电厂的可能性;以及
控制单元,其基于所述推定单元的推定结果,控制搭载于车辆的蓄电池的充放电动作。
2.根据权利要求1所述的虚拟电厂的控制装置,
所述推定单元推定在充放电动作请求时的车辆的停车率,基于推定出的停车率来推定车辆参加虚拟电厂的可能性。
3.根据权利要求2所述的虚拟电厂的控制装置,
所述推定单元基于所述停车率来推定在充放电动作请求时能够进行充放电动作的车辆的台数。
4.根据权利要求1至3中任一项所述的虚拟电厂的控制装置,
所述推定单元以车辆组为单位推定在充放电动作请求时的参加虚拟电厂的可能性。
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KR102040027B1 (ko) * | 2019-04-05 | 2019-11-04 | 주식회사 아이온커뮤니케이션즈 | 분산자원 활용 관리방법 및 서버, 이를 포함하는 마이크로그리드 전력 거래 시스템 |
CN110188950A (zh) * | 2019-05-30 | 2019-08-30 | 三峡大学 | 基于多代理技术的虚拟电厂供电侧和需求侧优化调度建模方法 |
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