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2022 7th Asia Conference on Power and Electrical Engineering (ACPEE)最新文献

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Optimal Dispatching Method of Integrated Energy System Considering Volatility of PV Power 考虑光伏发电波动性的综合能源系统优化调度方法
Pub Date : 2022-04-01 DOI: 10.1109/ACPEE53904.2022.9783733
Wenjun Niu, Yanbin Fan, Shan Lu
With the development of society, air pollution and energy consumption have become increasingly serious. How to improve the use of electric energy has become a great challenge. Recently, the emergence of Integrated Energy System (IES) improves the utilization rate of electric energy and realizes the harmonious complementation of multiple electric energy, including consuming and absorbing distributed photovoltaics (DPs). However, the fluctuations in the output power generated by the DP will harm the production scheduling of the IES. How to suppress the fluctuations of the DP has become a problem that must be considered. For the IES of gas and electricity areas with renewable resources, this article creates a solid IES model for gas and electricity areas to improve the operation economy by taking the fixed system cost as the objective function (OF), and the fluctuating cost of power engineering (PE) is considered comprehensively, and the cost of the natural environment. In the OF, the tube bundle is merged, and the CPLEX solver is used to solve the difficulties. Relying on the calculation examples, the rationality of the IES and the output power fluctuations under different indexes are analyzed, and the optimal load rate of each module is obtained, to achieve the purpose of meeting economic standards and smoothing DP fluctuations.
随着社会的发展,大气污染和能源消耗日益严重。如何提高电能的利用已成为一个巨大的挑战。近年来,集成能源系统(IES)的出现提高了电能的利用率,实现了多种电能的和谐互补,包括消纳分布式光伏(DPs)。但是,DP输出功率的波动会影响IES的生产调度。如何抑制gdp的波动已成为一个必须考虑的问题。对于具有可再生资源的气电区域IES,本文以固定系统成本为目标函数(of),综合考虑电力工程波动成本(PE)和自然环境成本,建立了气电区域提高运行经济性的实体IES模型。在该算法中,对管束进行合并,并采用CPLEX求解器进行求解。通过算例分析不同指标下IES和输出功率波动的合理性,得出各模块的最优负荷率,达到满足经济标准和平滑DP波动的目的。
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引用次数: 0
Game Theory based Inspection Robots Path Planning in Substations 基于博弈论的变电站巡检机器人路径规划
Pub Date : 2022-04-01 DOI: 10.1109/ACPEE53904.2022.9783782
Shaojing Wang, Tao He, Hui Sheng, Peng Xu, Yiping Ji
Inspection robots are more and more popular in substations. However, due to the complex scene and large number of temperature measurement points, inspection robots path generation is still a challenge. In this paper, a game-theory-based method is proposed to solve this problem. We first model the substation, robots and environment factors in an effective and reasonable way. Then the algorithm including rough selection and game-theory-based refinement steps is utilized to generate the best set of parking points. Experiments under different conditions show that our method is much better than manual work and related model in the aspects of shooting distance, angle, number of parking points and inspection completion rate.
巡检机器人在变电站越来越受欢迎。然而,由于场景复杂,测温点多,巡检机器人路径生成仍然是一个挑战。本文提出了一种基于博弈论的方法来解决这一问题。首先对变电站、机器人和环境因素进行了有效合理的建模。然后利用粗糙选择和基于博弈论的细化步骤生成最佳停车点集。在不同条件下的实验表明,我们的方法在射击距离、角度、停车点数量和检查完成率等方面都明显优于人工和相关模型。
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引用次数: 0
Power Distribution network state assessment technology based on unified computing resource pool 基于统一计算资源池的配电网状态评估技术
Pub Date : 2022-04-01 DOI: 10.1109/ACPEE53904.2022.9783999
Zhensheng Wu, Lina Mao, Kemeng Li, Siwei He
The operating status of the distribution network changes frequently, obtaining comprehensive and accurate data for fast and effective state estimation has become an inevitable trend in current development. Currently, there are many data sources in the distribution network, but they are not effectively fused and processed, which makes the reliable implementation of condition assessment technology difficult. In this paper, the data are fused and processed by a unified pool of computing resources, and the measurement terminals are optimally configured to improve the comprehensiveness and accuracy of the measurement data, thus laying a solid foundation for the state estimation of the distribution network.
配电网的运行状态变化频繁,获取全面准确的数据进行快速有效的状态估计已成为当前发展的必然趋势。目前,配电网中数据源众多,但没有得到有效的融合和处理,给状态评估技术的可靠实施带来了困难。本文通过统一的计算资源池对数据进行融合处理,并对测量终端进行优化配置,提高了测量数据的全局性和准确性,为配电网状态估计奠定了坚实的基础。
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引用次数: 0
Research on Operation Mode and Architecture Design of Source-Network-Load-Storage Interactive Regulation Technology in New Power System 新型电力系统源-网-蓄交互调节技术运行模式及体系结构设计研究
Pub Date : 2022-04-01 DOI: 10.1109/ACPEE53904.2022.9783852
X. Li, Zhifeng Wei, Hongli Su, Ziwei Hong, Haiyang Liu, Mengjie Zhao
As a key measure to realize low-carbon energy transformation and development and get rid of external dependence, the construction of new power system fully embodies the important characteristics of China's national energy strategy. This is not only a powerful measure we have taken to deal with global climate change, but also our firm determination to adhere to technological innovation and independent development. Energy Interconnection Technology has become a key technology to promote China's energy transformation and development. Based on the analysis of the characteristics of the new power system, this paper has carried out the research on the interactive regulation and operation mode of energy internet and its architecture design, and introduced typical application scenarios. It provides reference for promoting capacity building of clean energy consumption.
新型电力体系建设是实现能源低碳转型发展、摆脱对外依赖的关键举措,充分体现了中国国家能源战略的重要特征。这既是我们应对全球气候变化的有力举措,也是我们坚持科技创新、自主发展的坚定决心。能源互联网技术已成为推动中国能源转型发展的关键技术。本文在分析新型电力系统特点的基础上,对能源互联网的交互调节与运行模式及其架构设计进行了研究,并介绍了典型应用场景。为推进清洁能源消费能力建设提供参考。
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引用次数: 1
Carbon Flow Estimation in Multi-microgrids Considering Data Sharing Mechanisms 考虑数据共享机制的多微电网碳流估算
Pub Date : 2022-04-01 DOI: 10.1109/ACPEE53904.2022.9783949
Jiayi Luo, Zhihao Li, Bo Zhao, Zhe Chen, Bei Han, Guojie Li
National commission to peak carbon dioxide emissions before 2030 and achieve carbon neutrality before 2060 has brought new requirements for decarbonization in the power system which also has brought a boost in microgrids. Carbon flow tracing in the power system helps allocate carbon responsibilities to users and power plants to optimize electricity behaviors. Carbon flow analyzing models developed are based on calculation results of power flow. While in practical applications, only power measurements from AMI might be available for users and the measurements in microgrids might not be shared. Thus, network estimation should be carried out before the responsibilities allocation of carbon usage, which we called carbon flow estimation in this paper. Two carbon flow estimation models considering losses or not and carbon flow estimation methods in multi-microgrids with four different data-sharing mechanisms are proposed in this paper. A modified IEEE 14-bus system example has been carried out to prove its validity.
2030年前二氧化碳排放达到峰值,2060年前实现碳中和的国家委员会对电力系统的脱碳提出了新的要求,这也推动了微电网的发展。电力系统中的碳流追踪有助于将碳责任分配给用户和发电厂,以优化电力行为。碳流分析模型是根据潮流计算结果建立的。而在实际应用中,可能只有AMI的功率测量可供用户使用,微电网中的测量可能无法共享。因此,在进行碳利用责任分配之前,需要进行网络估算,本文称之为碳流量估算。提出了两种考虑损失和不考虑损失的碳流估算模型,以及四种不同数据共享机制下的多微电网碳流估算方法。通过一个改进的IEEE 14总线系统实例验证了该方法的有效性。
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引用次数: 1
Analysis of New Energy Accommodation Capacity of Regional Power Grid with Energy Storage Based on Improved Typical Daily Method 基于改进典型日法的区域电网储能新能源容纳能力分析
Pub Date : 2022-04-01 DOI: 10.1109/ACPEE53904.2022.9783846
Xinwei Sun, Bo Zhou, Tianwen Zheng, Wei Wei, Yuting Tian, Lei Pan
The grid-connection of new energy (NE) except hydropower into the power grid shows a rapid development trend, under the goal of "double carbon". In the future, NE will be the major power supply of the power system, and it’s of great significance to accurately assess the regional power grid to the NE accommodation capacity. Therefore, an analysis method of the NE accommodation capacity of the regional power grid with energy storage (ES) based on the typical daily is proposed. Firstly, based on the impact of NE and grid structural features in the regional power grid, the main factors affecting NE accommodation capacity of the regional power grid with ES are analyzed, and the principle of ES to enhance the NE accommodation of regional power grid is analyzed. Secondly, the mathematical model of evaluating the NE accommodation capacity of the regional power grid is built. Finally, for an actual regional power grid, the NE accommodation capacity of the regional power grid under different scenarios is evaluated to substantiate the availability of the method proposed in this paper.
在“双碳”目标下,除水电外的新能源并网呈快速发展趋势。未来,网元将成为电力系统的主要供电电源,准确评估区域电网对网元的容纳能力具有重要意义。为此,提出了一种基于典型日的区域电网储能容网容量分析方法。首先,基于网元对区域电网的影响和电网结构特点,分析了ES对区域电网网元容纳能力的主要影响因素,分析了ES增强区域电网网元容纳能力的原理。其次,建立了评价区域电网NE容纳能力的数学模型;最后,以一个实际的区域电网为例,对不同情景下区域电网的NE容纳能力进行了评估,以验证本文方法的有效性。
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引用次数: 0
Optimal scheduling of CCHP microgrid considering real-time demand 考虑实时需求的热电联产微电网优化调度
Pub Date : 2022-04-01 DOI: 10.1109/ACPEE53904.2022.9783747
Du Xiaoting, Wang Shiyu
By integrated management of distributed power sources, the cold-thermal power supply (CCHP) microgrid not only improves the efficiency of renewable energy utilization, reduces environmental pollution, but also ensures the stability of the system.Based on the uncertainty of each micro-source and the complexity of microgrid structure, A comprehensive real-time electricity demand optimization model based on the pre-day initial load demand, combined with electricity price incentive and user-side electricity comfort is proposed. The shift of load from peak to non-peak is realized, Multiobjective Optimization Algorithm Based on Genetic Algorithm. It is proved that the model makes the load demand curve obviously smooth and the output of each micro-source is relatively balanced, which proves that the model is scientific and effective.
冷热联产微电网通过对分布式电源的综合管理,既提高了可再生能源利用效率,减少了环境污染,又保证了系统的稳定性。基于各微源的不确定性和微网结构的复杂性,提出了一种基于日前初始负荷需求、电价激励和用户侧用电舒适性的实时综合电力需求优化模型。采用基于遗传算法的多目标优化算法,实现了负荷从峰向非峰的转移。结果表明,该模型使负荷需求曲线明显平滑,各微源输出相对平衡,证明了该模型的科学性和有效性。
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引用次数: 1
Active Cell Equalization Scheme for Performance Enhancing a Li-ion Capacitor Energy Management System 提高锂离子电容器能量管理系统性能的有源电池均衡方案
Pub Date : 2022-04-01 DOI: 10.1109/ACPEE53904.2022.9784062
M. Koseoglou, E. Tsioumas, N. Jabbour, D. Papagiannis, C. Mademlis, R. Guarino, S. Guarino, Fabio Tedone
This paper proposes an improved lithium-ion capacitor (LIC) management system (LICMS), that can provide active LIC’s cells equalization and thus, enhance the performance of the energy storage system. The central idea of the suggested method is based on the control of the LIC cells’ current of each stack, by utilizing an advanced cell equalization topology in order to adjust the cell balancing current. An easy to apply cell equalization algorithm is proposed so as the LIC cells can be effectively equalized during the charging procedure. The state of health (SoH) of the LIC cells are also monitored by a SoH diagnostic algorithm, which can provide the accurate estimation of their internal resistance and the energy capacity. The accuracy and the practicality of the proposed technology along with the cell equalization and SoH diagnostic algorithms have been experimentally validated on a LICMS of three series connected cells.
本文提出了一种改进的锂离子电容器管理系统(LICMS),该系统可以提供有源锂离子电容器的电池均衡,从而提高储能系统的性能。该方法的核心思想是通过利用先进的单元均衡拓扑来调整单元平衡电流,从而控制每个堆叠的LIC单元电流。为了在充电过程中对LIC电池进行有效的均衡,提出了一种易于应用的电池均衡算法。采用健康状态诊断算法监测LIC电池的健康状态(SoH),可以准确估计其内阻和能量容量。所提出的技术以及细胞均衡和SoH诊断算法的准确性和实用性已经在三个串联连接细胞的LICMS上进行了实验验证。
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引用次数: 0
Fault diagnosis method of automation equipment in independent and controllable substation based on deep reinforcement learning 基于深度强化学习的独立可控变电站自动化设备故障诊断方法
Pub Date : 2022-04-01 DOI: 10.1109/ACPEE53904.2022.9783925
Haoliang Du, Zhenhua Li, Dong Liu, Yinqiang Huang
Fast and accurate fault diagnosis is the key to ensure the safe and stable operation of the substation after the fault occurs to the automation equipment in the independent and controllable intelligent substation. Firstly, different types of faults that may occur in intelligent substation automation equipment are analyzed, and the electrical characteristic information of corresponding fault types is characterized respectively. Then, the basic structure of enhanced deep convolutional neural network (EDCNN) and the applicability and superiority of EDCNN in automatic equipment fault diagnosis are analyzed, and the model and algorithm of automatic equipment fault diagnosis based on EDCNN are built on the basis of data preprocessing. Finally, the proposed algorithm and other three algorithms are compared and analyzed under the same conditions based on actual cases. The results show that for different types of faults, the proposed algorithm has higher fault diagnosis accuracy and faster convergence speed.
独立可控智能变电站中自动化设备发生故障后,快速准确的故障诊断是保证变电站安全稳定运行的关键。首先,分析了智能变电站自动化设备可能出现的不同类型的故障,并分别对相应故障类型的电气特征信息进行了表征。然后,分析了增强型深度卷积神经网络(EDCNN)的基本结构及其在设备自动故障诊断中的适用性和优越性,并在数据预处理的基础上建立了基于EDCNN的设备自动故障诊断模型和算法。最后,结合实际案例,在相同条件下,对所提算法与其他三种算法进行了对比分析。结果表明,对于不同类型的故障,该算法具有更高的故障诊断精度和更快的收敛速度。
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引用次数: 1
A New Arc Suppression Method for Single-phase Grounding Fault in Distribution Network 配电网单相接地故障一种新的消弧方法
Pub Date : 2022-04-01 DOI: 10.1109/ACPEE53904.2022.9783719
Jingming Ding, G. Zou, F. Lin, Qian Lin, Jingjing Yang
Single-phase grounding faults occur frequently in distribution network. Extinguishing the arc caused by faults quickly can improve the reliability of power supply and the stability of the system. In this paper, the working principle of arc suppression coil and transfer arc-suppression is analyzed, and combined with the characteristics of the two devices, a new method of arc suppression with two sets of devices is put forward, which can flexibly control the input and exit of transfer arc-suppression according to the nature of the fault, and solve the disturbance problem of arc suppression equipment caused by a short time fault. Finally, a distribution network model is built in PSCAD to verify the reliability of the proposed method.
配电网单相接地故障是配电网中常见的故障。快速扑灭故障引起的电弧,可以提高供电的可靠性和系统的稳定性。本文分析了消弧线圈和传递消弧的工作原理,结合两种装置的特点,提出了一种采用两套装置的消弧新方法,可以根据故障的性质灵活控制传递消弧的输入和出口,解决了短时间故障对消弧设备造成的干扰问题。最后,在PSCAD中建立了配电网模型,验证了所提方法的可靠性。
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引用次数: 1
期刊
2022 7th Asia Conference on Power and Electrical Engineering (ACPEE)
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