CN109476239A - 用于稳定供应网络的方法和控制单元 - Google Patents
用于稳定供应网络的方法和控制单元 Download PDFInfo
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- CN109476239A CN109476239A CN201780039403.9A CN201780039403A CN109476239A CN 109476239 A CN109476239 A CN 109476239A CN 201780039403 A CN201780039403 A CN 201780039403A CN 109476239 A CN109476239 A CN 109476239A
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- 238000000034 method Methods 0.000 title claims abstract description 68
- 238000007600 charging Methods 0.000 claims abstract description 113
- 238000004146 energy storage Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
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Abstract
描述一种用于将车辆(110)分配到多个区域性分布的充电站(120)上的方法(200),所述充电站在不同点处从一个电流供应网络取出电功率和/或给电流供应网络提供电功率。所述方法(200)包括确定(201)在所述电流供应网络之中的区域性的负载分布。此外,所述方法200包括根据区域性的负载分布将车辆(110)指挥(202)至所述多个区域性分布的充电站(120)中的第一充电站(120)。
Description
技术领域
本发明涉及用于稳定电流供应网络的方法和相应的控制单元,所述电流供应网络用于为电气驱动的车辆的能量存储器充电。
背景技术
电气驱动的车辆包括通常必须定期与充电站耦联的电能存储器,以便利用来自电流网络、特别是来自公用电流供应网络的电能为能量存储器充电。在此,为多个车辆的能量存储器同时充电可能导致供应网络的显著负载、特别是导致不平衡负载。
发明内容
本文献致力于如下的技术任务,即,提供一种方法和一种相应的控制单元,通过所述方法额控制单元能够降低供应网络例如基于车辆的充电过程而造成的负载。
所述任务通过独立权利要求来解决。此外,有利的实施形式在从属权利要求中描述。
按照一个方面,描述一种用于将车辆分配到多个区域性分布的充电站上的方法,所述充电站在不同点处从一个电流供应网络取出电功率和/或给电流供应网络提供电功率。因此通过这些充电站可以在不同地点或点处为车辆的充电过程从供应网络取出电功率或者通过车辆的放电过程给供应网络提供电功率。这点可能导致供应网络的负载的区域性的分布或区域性的负载分布。所述方法例如可以通过服务器实施。
所述方法包括:确定在所述电流供应网络之中的区域性的负载分布。在此,所述区域性的负载分布可以表明:在确定的时刻在不同点处从电流供应网络取出和/或为电流供应网络提供何种电功率。
此外,所述方法包括:根据区域性的负载分布将车辆指挥至所述多个区域性分布的充电站中的第一充电站。所述车辆于是可以通过充电过程和/或通过放电过程被用于适配或改变区域性的负载分布。这样可以减少在一个供应网络中的负载(特别是不平衡负载)。
区域性的理论分布可以表明:在确定的时刻在不同点处应从电流供应网络取出和/或给电流供应网络提供何种电功率。可以根据区域性的理论分布将所述车辆指挥至所述多个区域性分布的充电站中的第一充电站。在此,可以这样选择第一充电站,使得通过车辆在第一充电站上的充电过程和/或放电过程使区域性的负载分布接近于区域性的理论分布。这样可以以精准的方式减少在一个供应网络中的负载。
所述方法可以包括:确定表明在车辆与第一充电站之间的距离的距离数据。备选地或补充地,所述方法可以包括:确定表明车辆的电能存储器的荷电状态的荷电状态数据。于是可以根据所述距离数据和/或所述荷电状态数据将所述车辆指挥向第一充电站。特别是可以根据所述距离数据和/或所述荷电状态数据选择第一充电站。这样可以以可靠的方式减少一个供应网络的负载。
例如可以仅当车辆的电能存储器的荷电状态达到或超过荷电状态阈值时才将所述车辆指挥至第一充电站。在此,所述荷电状态阈值可以与距离数据有关。备选地或补充地,可以仅当用于至第一充电站的路程的能量消耗等于或小于消耗能量阈值时才将所述车辆指挥至第一充电站。备选地或补充地,可以仅当在第一充电站上可以接纳的电能的量等于或大于充电能量阈值时才将所述车辆指挥至第一充电站。这样可以保证:仅当可能或有意义时才驶向第一充电站。继而这样可以以可靠的方式减少一个供应网络的负载。
所述方法可以包括,确定或预测在第一充电站处的到达时刻。于是可以为从到达时刻起的充电过程和放电过程预留第一充电站。这样可以以可靠的方式减少一个供应网络的负载。
所述车辆可以是自行驶的车辆,从而所述车辆可以自主式地、亦即在没有驾驶员作用的情况下和必要时在没有驾驶员存在的情况下被引导至第一充电站。这样可以以灵活的方式将车辆(例如在使用者的工作时间期间)用于减少在一个供应网络中的负载。备选地,可以(例如通过在车辆之内的显示)邀请所述车辆的驾驶员将车辆引导至第一充电站。
所述车辆可以已经为充电过程和/或放电过程与所述多个区域性分布的充电站中的第二充电站连接。对车辆的指挥包括:从第二充电站更换至第一充电站以继续充电过程和/或放电过程。这样可以以灵活的方式均衡在供应网络中的倾斜负载。
按照另一方面描述一种用于具有多个区域性分布的充电站的系统的控制单元,这些充电站在不同点处从一个电流供应网络取出电功率和/或给电流供应网络提供电功率。所述控制单元设置用于确定在所述电流供应网络之中的区域性的负载分布。此外,所述控制单元设置用于根据所述区域性的负载分布将车辆指挥或引导至所述多个区域性分布的充电站中的第一充电站。
按照另一方面描述一种车辆(特别是道路车辆例如轿车、货车或摩托车),所述车辆设置用于与本文献中描述的控制单元通讯,以便为充电过程和/或放电过程确定合适的充电站。
按照另一方面描述一种软件(SW)程序。所述软件程序可以设置用于,在处理器上(例如在服务器上)执行,并且由此实施在本文献中描述的方法。
按照另一方面描述一种存储介质。所述存储介质可以包括软件程序,所述软件程序设置用于在处理器上执行,并且由此执行在本文献中描述的方法。
要注意,在本文献中描述的方法、装置和系统不仅可以单独地而且可以与在本文献中描述的其他方法、装置和系统相组合地应用。此外,在本文献中描述的方法、装置和系统的每个方面可以以多种方式相互组合。特别是权利要求书中的特征可以以多种方式相互组合。
附图说明
以下借助实施例更详细地描述本发明。图中:
图1示出一种示例性的用于为电气驱动的车辆的能量存储器充电或放电的系统;以及
图2示出一种示例性的用于控制车辆的充电过程或放电过程的流程图。
具体实施方式
如开头所描述的,本文献致力于减少通过电气驱动的车辆的充电过程来减少电流供应网络的负载。就这点而言,图1示出具有多个充电站120的系统100,这些充电站区域性分布在一个供应网络之内。特别是,不同的充电站120取出电流为在所述供应网络之中的不同位置上的车辆110充电。
车辆110的使用者典型地具有类似的使用行为。特别是,车辆110典型地被用于在早上从居住地为了工作而行驶到企业用地。车辆110于是可以在企业用地中的充电站120充电。在晚上,车辆110于是被用于又行驶回到居住地中,在所述居住地中车辆110然后可以在居住地的充电站120上充电。由于电气驱动的车辆110的使用者统计上类似的行为,可能发生供应网络的区域性不同的负载。特别是一时可能利用在第一区域中的多个充电站120,而在第二区域中的多个充电站120保持不被利用。这可能导致在一个供应网络中的区域性的不平衡负载。
系统100可以包括控制单元101,所述控制单元设置为在一个供应网络之中确定区域性的负载分布。特别是,控制单元101在此可以确定如下电功率,所述电功率被不同地安放的充电站120从供应网络取出或者发出到供应网络上。所述控制单元101于是可以根据所确定的区域性的负载分布将用于充电过程或放电过程的车辆110指挥到所述多个充电站120之一。这样可以降低在供应网络中的区域性的差异的程度。
特别是,所述供应网络具有区域性的理论分布并且通过控制单元101可以确定区域性的实际分布。于是可以将车辆110这样指挥到一个充电站120,使得区域性的实际分布接近于区域性的理论分布。换言之,可以挑选用于车辆110的充电过程或放电过程的充电站120,从而区域性的实际分布接近于区域性的理论分布。
为了各车辆110参与能量调节市场,所述车辆可能不允许长的充电间隔或者所述车辆可能有助于均衡不平衡负载,因此车辆110在需要时可能驶向其他(处于附近的)充电站120或自主地驶向其他(处于附近的)充电站120。用于驶向确定的充电站120的相应的激励可以基于车辆110、充电站120或典型地基于中央控制单元101(例如后端服务器)。
为了保证要驶向的充电站120在车辆110向其运动期间保持空闲,车辆110可以将车辆数据111发送到控制单元101上,以便表明:驶向确定的充电站120并且应预留所述确定的充电站120。
在选择充电站120时可以考虑在车辆110与要驶向的充电站120之间的距离数据112。此外,可以考虑车辆110的能量存储器的荷电状态。例如仅当达到或超过一定的荷电状态(State of Charge、SOC)时才可以驶向或更换充电站120。这样使用者可以被保护免遭过低的荷电状态。此外,可以考虑用于驶向或用于更换充电站120的所需的能量需要。为该目的,可以考虑由车辆110的当前位置至充电站120的所需的路程(例如去程和回程)。如果为了在车辆使用者的优选位置处又以足够的荷电状态提供车辆110接下来的充电时间应为过短和/或路程为过长,则不实施充电站120的更换或者放弃驶向所建议的充电站120。在这样的情况下,控制单元101放弃将车辆110指挥到确定的充电站120。
通过将车辆110合适地分配到不同定位的充电站120,可以区域性地优化供应网络的网络全负载利用和网络稳定性。关于车辆110分配的信息可以由中央控制单元101(例如网络运营商)发送到车辆110的车队的车队管理和/或直接发送到车辆110(例如发送到车辆110的导航设备)。为了促使车辆110行驶到确定的充电站120,必要时可以使用激励措施(例如能量价格折扣),以便为避免供应网络中的不平衡负载来酬谢车辆110。
图2示出示例性的用于将车辆110分配到多个区域性分布的充电站120的方法200的流程图,所述充电站在不同点处从电流供应网络取出电功率和/或给电流供应网络提供电功率。方法200包括:确定201在电流供应网络之中的区域性的负载分布。此外,所述方法包括根据局域负载分布将车辆110指挥或引导202至所述多个区域性分布的充电站120中的第一充电站120。
通过所述方法200可以避免在供应网络中的区域性的不平衡负载。此外,可以改善网络稳定性和充电站120的全负载利用。
本发明不限于所示出的实施例。特别是要注意,说明书和附图仅应表示所建议的方法、装置和系统的原理。
Claims (10)
1.用于将车辆(110)分配到多个区域性分布的充电站(120)上的方法(200),所述充电站在不同点处从一个电流供应网络取出电功率和/或给电流供应网络提供电功率,其中,所述方法(200)包括:
-确定(201)在所述电流供应网络之中的区域性的负载分布;并且
-根据区域性的负载分布将车辆(110)指挥(202)至所述多个区域性分布的充电站(120)中的第一充电站(120)。
2.按照权利要求1所述的方法(200),其中,
-所述区域性的负载分布表明:在确定的时刻在电流供应网络的不同点处取出和/或提供何种电功率;
-区域性的理论分布表明:在确定的时刻在电流供应网络的不同点处应取出和/或提供何种电功率;并且
-根据区域性的理论分布将车辆(110)指挥至所述多个区域性分布的充电站(120)中的第一充电站(120)。
3.按照权利要求2所述的方法(200),其中,通过车辆(110)在第一充电站(120)上的充电过程和/或放电过程使区域性的负载分布接近于区域性的理论分布。
4.按照上述权利要求之一所述的方法(200),其中,
-所述方法(200)包括:确定表明在车辆(110)与第一充电站(120)之间的距离的距离数据(112);以及
-根据所述距离数据(112)将车辆(110)指挥向第一充电站(120)。
5.按照上述权利要求之一所述的方法(200),其中,
-所述方法(200)包括:确定表明车辆(110)的电能存储器的荷电状态的荷电状态数据;以及
-根据所述荷电状态将车辆(110)指挥向第一充电站(120)。
6.按照上述权利要求之一所述的方法(200),其中,仅当
-车辆(110)的电能存储器的荷电状态达到或超过荷电状态阈值时;和/或
-用于至第一充电站(120)的路程的能量消耗等于或小于消耗能量阈值时;和/或
-可以在第一充电站(120)上接纳的电能的量等于或大于充电能量阈值时,
才将所述车辆(110)指挥至第一充电站(120)。
7.按照上述权利要求之一所述的方法(200),其中,所述方法(200)包括:
-确定车辆(110)在第一充电站(120)处的到达时刻;并且
-为从所述到达时刻起的充电过程和/或放电过程预留第一充电站(120)。
8.按照上述权利要求之一所述的方法(200),其中,
-所述车辆(110)是自行驶的车辆(110);并且
-所述车辆(110)自主式地在没有驾驶员作用的情况下被引导至第一充电站(120)。
9.按照上述权利要求之一所述的方法(200),其中,
-所述车辆(110)为充电过程和/或放电过程与所述多个区域性分布的充电站(120)中的第二充电站(120)连接,并且
-对车辆(110)的指挥(202)包括:从第二充电站(120)更换至第一充电站(120)以继续充电过程和/或放电过程。
10.用于系统(100)的控制单元(101),包括多个区域性分布的充电站(120),这些充电站在不同点处从一个电流供应网络取出电功率和/或给电流供应网络提供电功率,其中,所述控制单元(101)设置用于:
-确定在所述电流供应网络之中的区域性的负载分布;并且
-根据所述区域性的负载分布将车辆(110)指挥至所述多个区域性分布的充电站(120)中的第一充电站(120)。
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US20190138006A1 (en) | 2019-05-09 |
DE102016212026A1 (de) | 2018-01-04 |
WO2018001842A1 (de) | 2018-01-04 |
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