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利用人工智能仿真技术优化车网互动生态系统

利用人工智能仿真技术优化车网互动生态系统

随着电动汽车融入更大的能源系统,运营商面临的问题不再仅仅是如何为它们充电,而是如何将其转化为经济资产。双向充电使电动汽车能够支持建筑、营运车队乃至电网,开辟新的收入来源并降低能源成本。FEV的车辆生态系统数字孪生平台(Vynox)可仿真并优化车辆、充电基础设施、建筑和电网之间的交互。因此,它能帮助个人车主及车队运营商,针对其具体应用场景测算车网互动(车辆-公共电网)的实际收益。

为何V2X对能源系统至关重要

双向充电的前景十分明确:电动汽车就是移动、分散的电池。借助双向车载充电器,它们可帮助削减用电高峰、吸纳光伏发电(PV)盈余、利用峰谷电价差套利,并在市场允许的情况下提供频率调节服务。车辆到家庭/建筑(V2H/B)属于表后应用,可在高电力需求或高电价时段降低住宅或建筑的用电量。V2G 则是面向电网的应用,更进一步通过在表后回馈电流,从能源套利中获利。

在一些国家,V2G已通过将电动汽车及其他能源资产聚合为虚拟电厂来支持辅助服务,以满足强制性的功率与电量指标。车主通过能源合同获得补偿,这有效地将其车辆转变为由聚合商调度的创收型电网资产。

V2H还是V2G能带来更大效益,很大程度上取决于各站点的出行模式、价格结构和监管环境,因此必须具体问题具体分析。

FEV的解决方案:Vynox——专为决策打造的云原生工具链

FEV 的车辆生态系统数字孪生平台Vynox,始于您的真实站点与市场环境,而非千篇一律的模板。它内置了特定国家的电网规则,并在一次仿真中将您现有的资产与虚拟资产关联起来,配备一个具备电价感知能力、可优化的能源管理系统且该系统充分尊重出行需求。在部署前进行仿真验证,让您能够纳入定制化需求并对极端工况进行压力测试。这一端到端工具链整合了云原生框架:基于运行数据构建车辆生态系统数字孪生(VE Twin);一个在仿真和运行环境中均能无缝运行的能源管理系统;以及一个测试不同配置并将仿真结果转化为全面技术经济评估的顶层模块。

图解:FEV Vynox工具链

将运行数据转化为优化充电策略

资产通过行业标准协议接入Vynox,因此部署速度快且不受供应商绑定。系统采集历史充电会话和站点负荷数据,将其与能源价格信号对齐,并记录能源如何在您的车辆充电场站或设施中流动。即便缺少明确的到达和离开时间,平台也会利用长短期记忆神经网络,基于收集的历史数据进行预测。基于这些输入,能源管理系统可实时制定运营充电策略。运营商可侧重不同的目标:降低能源成本、减少峰值负荷或最大化可再生能源利用。该优化框架还考虑了电池使用约束,确保V2X运营保持在运营商定义的可接受衰减限度内。

利用仿真规划基础设施投资

Vynox的真正威力在规划扩建时显现。在同一环境中,运营商可以添加虚拟能源组件。这可能包括具有不同功率等级和双向功能的新增充电站、新的光伏装机容量或电池储能系统。随后,运营商可针对当前的车辆使用特征测试这些组件。在考虑现有资产的基础上对电力合同、市场应用场景及可能增加的配置进行对比分析。换言之,您是按照实际使用方式来评估选项,而非电子表格假设的那样。VE Twin的一大亮点是采用贝叶斯优化,取代了暴力式的设计扫描,仅用传统实验设计所需的一小部分迭代次数即可收敛至最佳配置;同时严格遵守电网限值、充电桩额定功率和投资上限。极端工况和最坏情况在前期即经过测试,从而实现能源组件的合理选型。结果可直接转化为资本支出/运营支出视图、峰值充电暴露度及现场可再生能源占比,并能针对电价、资费变动或能源市场变化进行多年敏感性分析。

借助FEV的生成式AI助手消除阻碍

投资项目往往始于不完整的信息。为了保持项目推进势头,该平台集成了一个对话式助手,它会就缺失的输入(例如典型到达模式、周末行为或电池储能系统的可使用时窗)对用户进行访谈,并用一致的默认值填补空白,这些默认值可在后期调整。除离散选择外,决策者还可以输入变量的允许范围,如新增充电点数量、可用于光伏充电的屋顶或场地面积,或最大投资预算。这加快了首次仿真的启动速度,并使非专业人员也能快速上手。

结语

V2X并非放之四海而皆准的方案。无论是V2H还是V2G能带来更优价值,均取决于出行模式、价格结构、监管约束以及现有资产的评估。实现效益最大化需要协调整个生态系统,而非孤立地优化单一车辆、充电桩或电池。基于静态假设或电子表格模型的传统规划方法往往会忽略这些相互作用,从而低估了协调能源管理的经济潜力。FEV的车辆生态系统数字孪生平台Vynox直面这一现实,它将分析建立在您的运行数据之上,将其与可优化的能源管理系统相结合,并将技术选择转化为资本支出/运营支出和收入影响。它明确量化了光伏、电池储能系统、充电桩功率、电网连接规模和V2G备用容量在成本、功率峰值暴露度和组件衰减方面的权衡取舍。得益于FEV生成式AI辅助的结果解读,客户如今即可选择技术上可行且经济上合理的V2X战略,并能随规则和生态系统的演变进行调整。对于运营商而言,关键问题不再是V2X是否能创造价值,而是在何处以及在何种条件下能创造价值。通过结合运行数据、AI预测和技术经济优化,Vynox能够在投资前促成循证决策。

本文节选自FEV 客户期刊《Spectrum 82》,由Nicolas Rößlerroessler@mmp.rwth-aachen.deFeihong Xiaxia_f@fev.comChristoph Wellmannwellmann@mmp.rwth-aachen.deRene Savelsbergsavelsberg@fev.comJohannes Buchmannbuchmann@fev.com联合撰写。

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  1. CONNECT:[ UseTime:0.001201s ] mysql:host=127.0.0.1;port=3306;dbname=wenku;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001877s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000882s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000698s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001725s ]
  6. SELECT * FROM `set` [ RunTime:0.000786s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001643s ]
  8. SELECT * FROM `article` WHERE `id` = 870191 LIMIT 1 [ RunTime:0.002920s ]
  9. UPDATE `article` SET `lasttime` = 1784696802 WHERE `id` = 870191 [ RunTime:0.027202s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.002111s ]
  11. SELECT * FROM `article` WHERE `id` < 870191 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001841s ]
  12. SELECT * FROM `article` WHERE `id` > 870191 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001476s ]
  13. SELECT * FROM `article` WHERE `id` < 870191 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.019834s ]
  14. SELECT * FROM `article` WHERE `id` < 870191 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.024419s ]
  15. SELECT * FROM `article` WHERE `id` < 870191 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.036287s ]
0.342362s