The writings and artistic works of Antoni Tàpies(2009;2011)mirror the influences of the cosmic vision of the Chinese yin-yang.Signs,numbers,and creative procedures related to this correlative thought prevail in h...The writings and artistic works of Antoni Tàpies(2009;2011)mirror the influences of the cosmic vision of the Chinese yin-yang.Signs,numbers,and creative procedures related to this correlative thought prevail in his art.Tàpies integrated different iconological codes from the ancient Chinese thinking into his art to question the existential meaning of the universe and to express his thoughts on the cultural and socio-political controversies of his time.In other words,the images,media,and techniques that he utilized for his works were extensions of his life experiences intertwined with various socio-historical facts and his personal feelings.展开更多
为进一步促进园区级综合能源系统(park integrated energy system, PIES)的可再生能源消纳和碳减排,优化园区级综合能源系统的运行总成本,提出一种碳-绿色证书交易机制下考虑回收电转气(power to gas, P2G)余热和需求响应的园区级综合...为进一步促进园区级综合能源系统(park integrated energy system, PIES)的可再生能源消纳和碳减排,优化园区级综合能源系统的运行总成本,提出一种碳-绿色证书交易机制下考虑回收电转气(power to gas, P2G)余热和需求响应的园区级综合能源系统优化调度模型。首先,考虑阶梯式碳交易机制和绿色证书交易制度,以促进可再生能源的消纳和碳减排。其次,引入回收余热的电转气设备,优化电-热-气耦合关系来提高系统消纳可再生能源和碳减排水平。然后,建立含可削减、转移、替代负荷的需求侧响应模型,指导用户的用能方式由高能耗、高污染向低碳、可持续转变。最后,以购能成本、弃风惩罚成本、需求响应补偿成本、阶梯式碳交易成本、绿色证书交易收益之和最小为目标,构建PIES优化调度模型。算例结果表明,该模型可以有效促进可再生能源消纳和碳减排并降低系统运行成本。展开更多
削弱源荷不确定性,兼顾经济性与低碳性成为园区综合能源系统(park-level integrated energy system,PIES)优化调度的重点,为此提出了预测-调节-决策一体化框架。首先,构建了配置热电联产机组、电转气与碳捕集的园区综合能源系统。其次,...削弱源荷不确定性,兼顾经济性与低碳性成为园区综合能源系统(park-level integrated energy system,PIES)优化调度的重点,为此提出了预测-调节-决策一体化框架。首先,构建了配置热电联产机组、电转气与碳捕集的园区综合能源系统。其次,提出霜冰算法优化卷积-支持向量机(rime-convolutional neural network-support vector machine,RIME-CNN-SVM)的数据预测方法,并利用信息间隙决策理论(information gap decision theory,IGDT)描述概率分布未知的源荷严重不确定性。最后,建立了考虑源荷不确定性、阶梯式碳交易机制和弃风弃光惩罚的PIES低碳优化调度策略。通过算例仿真验证了模型和方法的合理性和有效性,并表明所提方法在提高PIES调度准确性的同时兼顾了运行的经济性与低碳性。展开更多
在双碳目标背景下,针对园区综合能源系统(park integrated energy system,PIES)的低碳优化已有诸多研究,但现有研究较少从碳流层面提出提升碳效的低碳优化策略。为此,文中基于云平台提出考虑碳流优化的PIES低碳经济运行策略。首先,构建...在双碳目标背景下,针对园区综合能源系统(park integrated energy system,PIES)的低碳优化已有诸多研究,但现有研究较少从碳流层面提出提升碳效的低碳优化策略。为此,文中基于云平台提出考虑碳流优化的PIES低碳经济运行策略。首先,构建一种双层协同优化架构,在上层云平台设计碳流优化模块,为下层PIES提供优化建议,下层系统对自身用能计划进行修正,实现协同优化。其次,建立负荷碳势指标测算PIES碳流水平,通过云平台引导PIES降低负荷碳势从而提升系统碳效,并且进一步在云平台设计考虑碳效的纳什议价模块,以提升多主体交易中参与方的碳收益。然后,采用目标级联分析法对双层模型进行求解。最后,通过仿真验证考虑碳流优化的运行策略不仅可以提升综合能源系统经济收益,还能减少碳排,提升碳效,同时在促进PIES间能源交易的过程中提高碳收益。展开更多
Conversation A(in the break room)Sara:Do I see a picture of a pie?Greg:Youdo.I'm looking at achart of people'sfavoritefall sweettreats.Sara:Yummy!Applepie ismyfavorite.Greg:It'salsothefavoriteof 30percento...Conversation A(in the break room)Sara:Do I see a picture of a pie?Greg:Youdo.I'm looking at achart of people'sfavoritefall sweettreats.Sara:Yummy!Applepie ismyfavorite.Greg:It'salsothefavoriteof 30percentofpeople.This chartsays that.Sara:Well,apple pie is great.展开更多
随着电动汽车(electric vehicle,EV)普及度的不断提高,工业园区内的EV用户日益增多,其充放电行为给园区综合能源系统(park integrated energy system,PIES)的规划运行带来极大挑战。文中提出考虑EV充放电意愿的PIES双层优化调度。首先,...随着电动汽车(electric vehicle,EV)普及度的不断提高,工业园区内的EV用户日益增多,其充放电行为给园区综合能源系统(park integrated energy system,PIES)的规划运行带来极大挑战。文中提出考虑EV充放电意愿的PIES双层优化调度。首先,基于动态实时电价、电池荷电量、电池损耗补偿、额外参与激励等因素建立充放电意愿模型,在此基础上得到改进的EV充放电模型;然后,以PIES总成本最小和EV充电费用最小为目标建立双层优化调度模型,通过Karush-Kuhn-Tucker(KKT)条件将内层模型转化为外层模型的约束条件,从而快速稳定地实现单层模型的求解;最后,进行仿真求解,设置3种不同场景,对比所提模型与一般充放电意愿模型,验证了文中所提引入EV充放电意愿模型的PIES双层优化调度的有效性和可行性。展开更多
文摘The writings and artistic works of Antoni Tàpies(2009;2011)mirror the influences of the cosmic vision of the Chinese yin-yang.Signs,numbers,and creative procedures related to this correlative thought prevail in his art.Tàpies integrated different iconological codes from the ancient Chinese thinking into his art to question the existential meaning of the universe and to express his thoughts on the cultural and socio-political controversies of his time.In other words,the images,media,and techniques that he utilized for his works were extensions of his life experiences intertwined with various socio-historical facts and his personal feelings.
文摘为进一步促进园区级综合能源系统(park integrated energy system, PIES)的可再生能源消纳和碳减排,优化园区级综合能源系统的运行总成本,提出一种碳-绿色证书交易机制下考虑回收电转气(power to gas, P2G)余热和需求响应的园区级综合能源系统优化调度模型。首先,考虑阶梯式碳交易机制和绿色证书交易制度,以促进可再生能源的消纳和碳减排。其次,引入回收余热的电转气设备,优化电-热-气耦合关系来提高系统消纳可再生能源和碳减排水平。然后,建立含可削减、转移、替代负荷的需求侧响应模型,指导用户的用能方式由高能耗、高污染向低碳、可持续转变。最后,以购能成本、弃风惩罚成本、需求响应补偿成本、阶梯式碳交易成本、绿色证书交易收益之和最小为目标,构建PIES优化调度模型。算例结果表明,该模型可以有效促进可再生能源消纳和碳减排并降低系统运行成本。
文摘在双碳目标背景下,针对园区综合能源系统(park integrated energy system,PIES)的低碳优化已有诸多研究,但现有研究较少从碳流层面提出提升碳效的低碳优化策略。为此,文中基于云平台提出考虑碳流优化的PIES低碳经济运行策略。首先,构建一种双层协同优化架构,在上层云平台设计碳流优化模块,为下层PIES提供优化建议,下层系统对自身用能计划进行修正,实现协同优化。其次,建立负荷碳势指标测算PIES碳流水平,通过云平台引导PIES降低负荷碳势从而提升系统碳效,并且进一步在云平台设计考虑碳效的纳什议价模块,以提升多主体交易中参与方的碳收益。然后,采用目标级联分析法对双层模型进行求解。最后,通过仿真验证考虑碳流优化的运行策略不仅可以提升综合能源系统经济收益,还能减少碳排,提升碳效,同时在促进PIES间能源交易的过程中提高碳收益。
文摘Conversation A(in the break room)Sara:Do I see a picture of a pie?Greg:Youdo.I'm looking at achart of people'sfavoritefall sweettreats.Sara:Yummy!Applepie ismyfavorite.Greg:It'salsothefavoriteof 30percentofpeople.This chartsays that.Sara:Well,apple pie is great.
文摘随着电动汽车(electric vehicle,EV)普及度的不断提高,工业园区内的EV用户日益增多,其充放电行为给园区综合能源系统(park integrated energy system,PIES)的规划运行带来极大挑战。文中提出考虑EV充放电意愿的PIES双层优化调度。首先,基于动态实时电价、电池荷电量、电池损耗补偿、额外参与激励等因素建立充放电意愿模型,在此基础上得到改进的EV充放电模型;然后,以PIES总成本最小和EV充电费用最小为目标建立双层优化调度模型,通过Karush-Kuhn-Tucker(KKT)条件将内层模型转化为外层模型的约束条件,从而快速稳定地实现单层模型的求解;最后,进行仿真求解,设置3种不同场景,对比所提模型与一般充放电意愿模型,验证了文中所提引入EV充放电意愿模型的PIES双层优化调度的有效性和可行性。
