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2022 IEEE 7th International Energy Conference (ENERGYCON)最新文献

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Structural Modification and Optimization of AlSi7 Mg0.6 Alloy Based Rotor for Wave Energy Harvesting 基于AlSi7 Mg0.6合金的波能收集转子结构改进与优化
Pub Date : 2022-05-09 DOI: 10.1109/energycon53164.2022.9830359
Anulekha Majumdar, P. Dudhgaonkar, Pumima Jalihal
Conventional navigational buoys are powered by solar panels which need to be maintained frequently, thereby increasing the cost of maintenance. Additionally, solar panels are dependent on the availability of sunlight which is limited to a certain time of the day. An alternative approach is to use wave energy based navigational buoys which depend on the energy generated by surface waves in the ocean. For large-scale exploitation of the offshore wave energy source, navigational buoys require turbines which should be able to withstand varying pressures while simultaneously react to the pressure difference of the waves, thereby generating electricity. In this paper, an optimized design for unidirectional impulse turbine previously used in a Backward Bent Ducted Buoy (BBDB) has been proposed. The proposed design has higher structural strength while maintaining the basic performance capabilities. It was observed that using aluminum alloy AlSi7 Mg0.6 instead of conventionally used polycarbonate material improves the structural strength of the designed turbine while maintaining it’s weight (~9 % increase) so that the problem of inertia while self initiating is kept at bay. The analysis of the rotor for the stresses was carried out using Ansys 18.2.
传统的导航浮标由太阳能电池板供电,需要经常维护,从而增加了维护成本。此外,太阳能电池板依赖于阳光的可用性,而阳光在一天中的特定时间是有限的。另一种方法是使用基于波浪能的导航浮标,这种浮标依靠海洋表面波浪产生的能量。为了大规模开发近海波浪能源,导航浮标需要能够承受不同压力的涡轮机,同时对波浪的压力差作出反应,从而发电。本文提出了一种用于后弯导管浮标(BBDB)的单向脉冲涡轮的优化设计方法。提出的设计方案在保持基本性能的同时,具有较高的结构强度。结果表明,采用铝合金AlSi7 Mg0.6代替传统的聚碳酸酯材料,提高了涡轮的结构强度,同时保持了涡轮的重量(增加了9%),从而解决了自启动时的惯性问题。利用Ansys 18.2软件对转子进行了应力分析。
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引用次数: 0
Weighted Cluster Routing Protocol with Redundant Cluster Head for Damaged WSN 基于冗余簇头的WSN加权路由协议
Pub Date : 2022-05-09 DOI: 10.1109/energycon53164.2022.9830417
Grace Khayat, C. Mavromoustakis, G. Mastorakis, J. M. Batalla, E. Pallis
Wireless Sensor Network (WSN) consists of sensor nodes widely dispersed in predefined geographical fields. These sensors might be used for continuous monitoring such as temperature monitoring or might be used for event triggers such as when the temperature exceeds a certain threshold an alarm should be fired. The sensors in WSN communicate wirelessly with a target to transmit the sensed data to the base station. The base station will upload the data to the internet to be analyzed in the control station. One of the most efficient routing mechanisms is clustering. Clustering splits the network into clusters with cluster head assignment to each cluster. The cluster head is responsible for all intra-cluster communication. In a crisis case scenario, one or more sensors might be non-functional. In case the cluster head is non-functional then the whole cluster will be disconnected. This paper proposes a new weighted cluster routing protocol for WSN network. In a crisis scenario, the proposed protocol ensures an end-to-end connection by selecting a redundant cluster head also known as a secondary cluster head. The secondary cluster head will take over the role of the primary cluster head in case it is non-functional. Using MATLAB, a simulation for the proposed protocol is carried. It studies the effect of variant variables on cluster formation, primary cluster head selection, and secondary cluster head selection.
无线传感器网络(WSN)由广泛分布在预定地理区域的传感器节点组成。这些传感器可用于连续监测,如温度监测,或可用于事件触发器,如当温度超过某个阈值时应发出警报。无线传感器网络中的传感器与目标进行无线通信,将感知到的数据传输到基站。基站将把数据上传到互联网上,供控制站进行分析。最有效的路由机制之一是集群。集群将网络划分为集群,并为每个集群分配簇头。集群头负责所有集群内部通信。在危机情况下,一个或多个传感器可能无法正常工作。如果集群头不可用,那么整个集群将被断开连接。提出了一种新的WSN网络加权集群路由协议。在危机场景中,提议的协议通过选择冗余簇头(也称为辅助簇头)来确保端到端连接。在主集群头失效的情况下,备用集群头将接管主集群头的角色。利用MATLAB对该协议进行了仿真。研究了变变量对集群形成、主簇头选择和次簇头选择的影响。
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引用次数: 6
An Industrial SC AD A System Remote Control Using Mobile Phones 基于移动电话的工业scad系统远程控制
Pub Date : 2022-05-09 DOI: 10.1109/energycon53164.2022.9830195
Ahmidah Elgali, Ahmad Saad
SCADA is the abbreviation for “Administrative Control And Data Acquisition.” SCADA frameworks are generally utilized in industry for administrative control and information securing of modern cycles. Regular SCADA frameworks use PC, journal, slim client, and PDA as a client. In this paper, a Java-empowered cell phone has been utilized as a client in an example SCADA application to show and regulate the place of an example model crane. The paper presents a genuine execution of the on-line controlling of the model crane through cell phone. The remote correspondence between the cell phone and the SCADA server is performed through a base station by means of general parcel radio assistance GPRS and remote application convention WAP.This application can be used in industrial sites at areas that are likely to be exposed to a security emergency (like terrorist attacks) which causes the sudden exit of the operators, however, no time to perform the shut down procedures for the plant.Hence this application allows shutting down units and equipment remotely by mobile, and so avoids damage and losses.
SCADA是“行政控制和数据采集”的缩写。SCADA框架通常用于工业管理控制和现代循环的信息安全。常规SCADA框架使用PC、日志、瘦客户机和PDA作为客户机。本文在一个SCADA示例应用中,利用一个java支持的手机作为客户端,对示例模型起重机的位置进行显示和调节。本文介绍了一种通过手机对模型起重机进行在线控制的真实实现方法。手机与SCADA服务器之间的远程通信是通过基站通过通用包无线电辅助GPRS和远程应用协议WAP实现的。该应用程序可用于工业现场,在可能暴露于安全紧急情况(如恐怖袭击)的区域,导致操作员突然退出,但是没有时间执行工厂的关闭程序。因此,该应用程序允许通过移动设备远程关闭单元和设备,从而避免损坏和损失。
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引用次数: 0
The Role of 5G/6G Networks in Building Sustainable and Energy-Efficient Smart Cities 5G/6G网络在建设可持续节能智慧城市中的作用
Pub Date : 2022-05-09 DOI: 10.1109/energycon53164.2022.9830364
M. Shehab, T. Khattab, M. Kucukvar, D. Trinchero
Future wireless networks aim to provide high-energy efficiency, high spectral efficiency, low cost, and support a massive number of connected devices in prospect the evolution of Internet of Things (IoT) and smart cities. This calls for an immediate need to inspect sustainability in future wireless networks, and how can these networks be energy-efficient and environmentally friendly. The goal of this article is to investigate the role of future communication systems in building sustainable and energy-efficient smart cities. Ano verview of 5G / 6G networks, their KPIs, and use cases will be presented. This is followed by discussing the use cases served by these networks, green 5G / 6G technologies, and sustainability indicators. We will discuss the recent research studies on green technologies such as energy harvesting and their sustainability measures across the economic, environmental, and social dimensions. Finally, we will identify potential solutions and research directions to optimize sustainability in future wireless communications.
未来无线网络的目标是提供高能效、高频谱效率、低成本,并支持大量连接设备,展望物联网(IoT)和智慧城市的发展。这要求我们立即检查未来无线网络的可持续性,以及如何使这些网络节能环保。本文的目的是研究未来通信系统在建设可持续和节能的智慧城市中的作用。将对5G / 6G网络、其kpi和用例进行概述。然后讨论这些网络服务的用例、绿色5G / 6G技术和可持续性指标。我们将讨论最近关于绿色技术的研究,如能源收集及其在经济、环境和社会方面的可持续性措施。最后,我们将确定潜在的解决方案和研究方向来优化未来无线通信的可持续性。
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引用次数: 1
Assessment of storage system benefits on the reliability and the cost of composite electric power systems 储能系统对复合电力系统可靠性和成本的效益评估
Pub Date : 2022-05-09 DOI: 10.1109/energycon53164.2022.9830161
Aysun Koksal, A. Ozdemir
Increasing penetration of intermittent renewable generation and demand uncertainty in electric power systems has accelerated the efforts to improve system reliability. This study presents a method to identify the benefits of the two representative storage systems in composite electric power systems in terms of system reliability and cost-effectivity. At first, the reliability indices of the system are determined using the results of contingency analysis integrated with Monte Carlo simulations. Then the total costs, including the generation, storage, and low-reliability costs, are calculated. The proposed method is applied to the IEEE-RTS-96 test system to quantify the benefits. The two alternatives, namely, Compressed Air Energy Storage Systems (CAES) and Battery Energy Storage Systems (BESS), are compared to their overall cost benefits.
间歇性可再生能源发电的日益普及和电力系统需求的不确定性加快了提高系统可靠性的努力。本文提出了一种方法来确定两种具有代表性的储能系统在复合电力系统中在系统可靠性和成本效益方面的优势。首先,将权变分析结果与蒙特卡罗仿真相结合,确定了系统的可靠性指标。然后计算总成本,包括发电成本、存储成本和低可靠性成本。将该方法应用于IEEE-RTS-96测试系统,量化了系统的效益。这两种替代方案,即压缩空气储能系统(CAES)和电池储能系统(BESS),比较了它们的总体成本效益。
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引用次数: 1
Features of converting a car with an internal combustion engine into an electric car 将内燃机汽车改装成电动汽车的特点
Pub Date : 2022-05-09 DOI: 10.1109/energycon53164.2022.9830183
A. Patlins, A. Hnatov, S. Arhun, H. Hnatova, O. Saraiev
Conversion of traditional cars with internal combustion engines into electric vehicles (EV) is quite relevant for companies that deliver or transport mail, small-sized and lightweight cargo, food delivery from restaurants, for courier services, etc. EVs have significant advantages, namely, they do not require frequent maintenance, are much more reliable than traditional cars with internal combustion engines, more economical and environmentally friendly. Therefore, studies were carried out on the rationality of converting a car from an internal combustion engine to an EV with the calculation of the payback period of the converted car. Considered the main components of the EV configuration. The calculation of the power of the electric motor for the selected electric vehicle has been carried out. The calculation of the economic indicators of the conversion of the ZAZ Lanos-pickup car into EV has been carried out. The calculation results show that in the 3rd year of operation of the converted vehicle, a payback of the costs incurred will be obtained. The graphical dependence of the traction motor power on the EV speed is built. Calculations are carried out and the dependence of the traction motor power on the road slope when the EV is moving at a certain speed is built. Re-equipment of cars with internal combustion engines into EVs is expedient and cost-effective to implement for companies engaged in a variety of services for the delivery of goods within the city. But here one should take into account the fact that charging infrastructure should be developed within the city or night charging should be provided at the parking place.
将传统的内燃机汽车转换为电动汽车(EV)对于递送或运输邮件、小型和轻型货物、从餐馆送餐、快递服务等公司来说非常重要。电动汽车有显著的优点,即不需要经常维护,比传统的内燃机汽车可靠得多,更经济、更环保。因此,对汽车由内燃机转换为电动汽车的合理性进行了研究,并计算了转换汽车的投资回收期。考虑EV配置的主要组件。对所选电动汽车的电机功率进行了计算。对ZAZ lanos -皮卡轿车转换为电动汽车的经济指标进行了计算。计算结果表明,在改造后的车辆运行第3年,将获得成本的回报。建立了牵引电机功率与电动汽车转速的图形关系。通过计算,建立了电动汽车以一定速度行驶时,牵引电机功率与路面坡度的依赖关系。对于从事各种城市货物运输服务的公司来说,将内燃机汽车改装成电动汽车是一种方便且具有成本效益的做法。但是,这里应该考虑到充电基础设施应该在城市内发展,或者应该在停车场提供夜间充电。
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引用次数: 0
A New Method for Analyzing the Voltage Stability to Assess the Power Load Buses in Power Systems 电力系统负荷母线电压稳定性分析的新方法
Pub Date : 2022-05-09 DOI: 10.1109/energycon53164.2022.9830371
Luu Huu Vinh Quang
This paper proposes a new algorithm with a new formula for assessing and ranking the power load buses concerning the voltage stability involved in the short-circuit faults occurring in multi-machine power system operations. The new mathematical formula, determined by the values of transient voltage stability estimation (TVSE), allows estimating the transient state and assessing the transient structures of the power systems concerning the transient voltage stability. The oscillations of the generator’s angular velocities, varying in time and causing the power network’s non-linearity in transient configurations of the power system under the condition of the single-shot automatic line reclosing, are mathematically simulated. The transient parameters, such as the synchronous, asynchronous, damping torques, angles of transient electromotive forces, are simulated under the impact of automatic voltage and frequency regulation. The transient voltage stability estimation values are determined to assess the transient structures influenced by the continuous disturbance of angular velocities of the generators operating in the multi-machine power system. The typical examples and results prove the advantages of the new algorithm features for analyzing the multiple contingencies with the ALR in multi-machine power systems.
针对多机电力系统运行中出现的短路故障所涉及的电压稳定性问题,提出了一种新的评估和排序算法,并给出了新的计算公式。新的数学公式由暂态电压稳定估计(TVSE)的值决定,可以估计电力系统的暂态状态和评估与暂态电压稳定有关的暂态结构。在单次自动重合闸条件下,对电力系统暂态配置中发电机角速度随时间变化而引起的电网非线性振荡进行了数学模拟。对同步、异步、阻尼力矩、暂态电动势角等暂态参数在电压、频率自动调节的影响下进行了仿真。确定暂态电压稳定性估计值,以评估多机电力系统中发电机角速度连续扰动对暂态结构的影响。典型的算例和结果证明了新算法在多机电力系统中应用自适应随机回归分析多事故时的优越性。
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引用次数: 0
DC Nano grid Control in the Residential Energy Router with the Presence of Constant Power Loads 恒定负荷下住宅能源路由器直流纳米电网控制
Pub Date : 2022-05-09 DOI: 10.1109/energycon53164.2022.9830523
Mahdieh Najafzadeh, D. Vinnikov, O. Husev, I. Roasto
Increasing penetration of DC-based electronics loads has highlighted the idea of DC -grid which is more efficient. Furthermore, DC -grid provides the distributed generators utilization that mostly is DC -based. As a result, in this study, we propose the combination of DC nano grid to the traditional AC-nano grid to the distribution system of a house using a power-electronics-interface called an energy router. However, interactions of multiple DC - DC and AC - DC converters in the nano grid make challenges in the stability of the system and control of it. Constant power loads are one of the main challenges since they are highly nonlinear and they behave as negative resistor from the feeder-side point of view. Consequently, we propose a nonlinear control technique to control the DC nano grid with the presence of constant power load in a residential application.
基于直流的电子负载的日益普及凸显了直流电网更高效的理念。此外,直流电网还提供了以直流为基础的分布式发电机的利用。因此,在本研究中,我们建议将直流纳米电网与传统的交流纳米电网结合起来,并使用一种称为能量路由器的电力电子接口用于家庭配电系统。然而,纳米电网中多个DC - DC和AC - DC变换器的相互作用给系统的稳定性和控制带来了挑战。恒功率负载是主要的挑战之一,因为它们是高度非线性的,从馈线侧的角度来看,它们表现为负电阻。因此,我们提出了一种非线性控制技术来控制住宅应用中恒定功率负载下的直流纳米电网。
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引用次数: 0
A New Single Source Five-Level Common Ground Switched Capacitor based Inverter 一种新型单源五电平共地开关电容逆变器
Pub Date : 2022-05-09 DOI: 10.1109/energycon53164.2022.9830422
Tala Hemmati Shahsavar, O. Husev, E. Babaei, M. Sabahi, D. Vinnikov, Arash Khoshkbar-Sadigh
This paper proposes a five-level inverter. The proposed multilevel inverter is based on Switched Capacitor (SC) circuits. The charged capacitors act as a virtual dc link in the negative half-cycle. This feature leads to using a single dc source. Additionally, the proposed Multilevel Inverter (MLI) benefits from the common ground feature. The leakage current is eliminated fully in this structure which is of great importance in transformer-less systems. The proposed MLI is described comprehensively. The operational modes are discussed. The correct operation of the proposed structure is confirmed by MATLAB/Simulink.
本文提出了一种五电平逆变器。所提出的多电平逆变器是基于开关电容(SC)电路。充电电容器在负半周期中充当虚拟直流链路。该特性导致使用单个直流电源。此外,所提出的多电平逆变器(MLI)受益于共地特性。这种结构完全消除了漏电流,在无变压器系统中具有重要意义。对所提出的MLI进行了全面的描述。讨论了其运行模式。通过MATLAB/Simulink验证了该结构的正确性。
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引用次数: 1
Double auction mechanisms for peer-to-peer energy trading: A comparative analysis 点对点能源交易的双重拍卖机制:比较分析
Pub Date : 2022-05-09 DOI: 10.1109/energycon53164.2022.9830460
Sweta Malik, S. Thakur, Maeve Duffy, J. Breslin
Peer-to-Peer (P2P) energy trading, one of the new paradigms driven by decentralization, decarbonization, and digitalization of the smart grid, has become a widespread technique in recent years. Additionally, the rise of the double auction for P2P energy trading suggests better trading algorithms with unprecedented economic and technical benefits. This work evaluates various discrete double auction mechanisms, i.e., Average, VCG, Trade reduction, and McAfee's for multiple microgrids. By doing this, the trading algorithm provides players more flexibility to decide from the types of double auctions available. We further study properties such as individual rationality, balanced budget, truthfulness, and economic efficiency associated with energy trading. For practical applicability, we simulate the functionality of the trading algorithms using IEEE LV feeder data. In the end, this work demonstrates a variation in energy trading and social welfare due to the time of usage tariff and change in bidding range.
点对点(P2P)能源交易是近年来在智能电网去中心化、脱碳和数字化的推动下发展起来的一种新模式,已成为一种广泛应用的技术。此外,P2P能源交易的双重拍卖的兴起表明,更好的交易算法具有前所未有的经济和技术效益。这项工作评估了各种离散的双重拍卖机制,即多个微电网的平均、VCG、贸易减少和McAfee。通过这样做,交易算法为玩家提供了更大的灵活性来决定可用的双重拍卖类型。我们进一步研究了与能源交易相关的个人理性、平衡预算、真实性和经济效率等属性。为了实际应用,我们使用IEEE低压馈线数据模拟交易算法的功能。最后,本研究证明了能源交易和社会福利的变化是由于使用关税的时间和投标范围的变化。
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引用次数: 4
期刊
2022 IEEE 7th International Energy Conference (ENERGYCON)
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