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2023 IEEE IAS Global Conference on Renewable Energy and Hydrogen Technologies (GlobConHT)最新文献

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Energy efficiency Evaluation Study on the Air Source Heat Pump Drying System Based on Internet of Things 基于物联网的空气源热泵干燥系统能效评价研究
Pub Date : 2023-03-11 DOI: 10.1109/GlobConHT56829.2023.10087498
Chunguang Lu, Mengliang Ge, Leina Song, Jiliang Wu, G. Pan, Haipeng Wang
The air source heat pump (ASHP) using electric energy instead of traditional wood burning to dry cash crops has the advantages of high automation, energy saving and environmental protection, cost reduction, and efficiency. Aiming to evaluate the energy efficiency in the process of electric heat conversion and drying heating of air source heat pumps, two levels of energy efficiency indexes have been proposed. The primary energy efficiency index can measure the utilization efficiency of electric heat conversion and recovery, and the secondary index can directly measure the output efficiency of electric energy on output. Aiming to improve the automatic ability of the drying system, a remote monitoring system of air source heat pump drying system has been designed and developed based on the Internet of Things (IoT), which can monitor the operation process and status of air source heat pump drying system online in real-time in the cloud and handheld terminal, and control the process flow of drying operation, and also can calculate the two-level energy efficiency indexes. The remote monitoring system based on IoT plays the role of protection and electricity safety. The drying experiments of edible mushrooms show that the IoT air source heat pumping drying system has the advantages of high automation, high efficiency, and convenience, and can effectively evaluate the energy efficiency of the air source heat pump in the drying process of edible mushrooms.
空气源热泵利用电能代替传统的木材燃烧来干燥经济作物,具有自动化程度高、节能环保、降低成本、提高效率等优点。为了评价空气源热泵在电热转换和干燥加热过程中的能效,提出了两个等级的能效指标。一次能效指标可以衡量电热转换和回收的利用效率,二次能效指标可以直接衡量电能对输出的输出效率。为提高干燥系统的自动化能力,设计开发了基于物联网(IoT)的空气源热泵干燥系统远程监控系统,可在云和手持终端在线实时监控空气源热泵干燥系统的运行过程和状态,控制干燥运行的工艺流程,并可计算二级能效指标。基于物联网的远程监控系统起到了保护和用电安全的作用。食用菌干燥实验表明,物联网空气源热泵干燥系统具有自动化程度高、效率高、使用方便等优点,可有效评价空气源热泵在食用菌干燥过程中的能效。
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引用次数: 0
Modeling and Theoretical Investigation of Grid-Interactive Ultracapacitor Fuel-Cell for Renewable Application 面向可再生能源的电网交互超级电容器燃料电池建模与理论研究
Pub Date : 2023-03-11 DOI: 10.1109/GlobConHT56829.2023.10087751
Webster Adepoju, I. Bhattacharya, O. Sanyaolu, Nasr Esfahani Ebrahim, Olatunji Abiodun
This manuscript investigates the performance of an ultra-capacitor fuel cell in grid-connected mode. Voltage regulation to the ultra-capacitor was achieved with a three-level bidirectional DC-DC converter while achieving power flow from the grid to the ultra-capacitor via the bidirectional converter. The choice of a bidirectional three-level converter for voltage regulation is based on its inherently high efficiency, low harmonic profile, and compact size. Using the model equations of the converter and grid -connected inverter derived using the switching function approach, the grid's direct axis modulation index and quadrature axis modulation index, $M_{d}$ and $M_{q}$, respectively, were simulated in Matlab for both lagging and leading power factors. Moreover, the values of $M_{d}$ and $M_{q}$ were harnessed in a PLECS-based simulation of the proposed model to determine the effect of power factor correction on the current and power injection to the grid.
本文研究了超电容器燃料电池在并网模式下的性能。通过三电平双向DC-DC变换器实现对超级电容器的电压调节,同时通过双向变换器实现从电网到超级电容器的功率流。选择双向三电平变换器进行电压调节是基于其固有的高效率、低谐波轮廓和紧凑的尺寸。利用开关函数法推导的变换器和并网逆变器模型方程,分别在Matlab中对电网的直轴调制指数$M_{d}$和正交轴调制指数$M_{q}$进行了滞后和超前功率因数的仿真。此外,在基于plec的模型仿真中利用了$M_{d}$和$M_{q}$的值来确定功率因数校正对电网电流和功率注入的影响。
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引用次数: 2
Optimum Hourly Energy Scheduling in Interconnected Renewable Microgrids 互联可再生微电网的最佳小时能源调度
Pub Date : 2023-03-11 DOI: 10.1109/GlobConHT56829.2023.10087595
Bineeta Mukhopadhyay, R. K. Mandal, D. Das
This paper presents a strategy for stochastic, multi-objective, hourly energy management in interconnected microgrids with battery energy storage systems and plug-in hybrid electric vehicles. The effectiveness of the stochastic energy dispatch optimization methodology is assessed on the basis of cost and emission minimization, as well as the maximization of the independence performance index of the multi-microgrid system. The probabilistic power flow solution is procured using the point estimate method, considering the impact of the uncertainties associated with the generated renewable power, consumer demand, and electric vehicle charging load. The multi-objective energy dispatch problem is solved using grey wolf optimizer. The impact of price-based demand response is investigated on the optimum energy schedule of the interconnected microgrid system, considering price-responsive electrical and heat loads.
本文提出了一种具有电池储能系统和插电式混合动力汽车的互联微电网的随机、多目标、小时能量管理策略。以成本和排放最小化以及多微网系统独立性能指标最大化为目标,对随机能量调度优化方法的有效性进行了评价。考虑可再生能源发电、消费者需求和电动汽车充电负荷等不确定性因素的影响,采用点估计法得到了概率潮流解。采用灰狼优化算法求解多目标能量调度问题。考虑价格响应的电力和热负荷,研究了基于价格的需求响应对互联微电网系统最优能源调度的影响。
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引用次数: 1
H-Bridge Inverter with Optimum Phase-Angle Shift for Electric Vehicle Propulsion Motor Drive 电动汽车推进电机驱动的最佳相位角偏移h桥逆变器
Pub Date : 2023-03-11 DOI: 10.1109/GlobConHT56829.2023.10087533
M. J. Akhtar, R. Behera, K. Al Hosani, Utkal Ranjan Muduli
Induction motor (IM) drives for electric vehicle (EV) application require large number of batteries connected in parallel which gives rise to circulating currents within the battery circuit. In this paper, a new H-bridge inverter-based IM drive system topology is proposed to reduce the zero-sequence voltage (ZSV) problem in parallel connected batteries. Moreover, the proposed topology inherently suffers from ZSV problem. To find the optimum phase shift angle to minimize the ZSV, an optimization approach has been adopted. The simulation results indicate that the phase shift angles obtained through optimization eliminate the problem.
电动汽车(EV)应用的感应电机(IM)驱动器需要大量并联连接的电池,这会在电池电路中产生循环电流。本文提出了一种新的基于h桥逆变器的IM驱动系统拓扑结构,以降低并联电池中的零序电压问题。此外,所提出的拓扑存在固有的ZSV问题。为了找到使ZSV最小的最佳相移角,采用了一种优化方法。仿真结果表明,通过优化得到的相移角消除了这一问题。
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引用次数: 1
A new High Gain Non-Isolated DC-DC Converter for Photovoltaic System 一种用于光伏系统的新型高增益非隔离DC-DC变换器
Pub Date : 2023-03-11 DOI: 10.1109/GlobConHT56829.2023.10087844
N. Prabaharan, T. Santhosh, R. Rajesh, Mohamed Salem, S. Mekhilef
This article proposes a novel non-isolated DC-DC converter to achieve high voltage gain with a low duty ratio. The proposed converter achieves a higher voltage gain (10) with a less duty ratio (0.6). Also, the voltage stress of the proposed converter is less. The proposed converter is examined in continuous conduction mode (CCM). The appropriate design equations are presented with mathematical expressions. The operation of the proposed converter is examined through MATLAB-SIMULINK. The simulation results are obtained for 200 W with an operating duty ratio of 0.6. Due to continuous input current, the proposed converter is well-suitable for photovoltaic applications.
本文提出了一种新型的非隔离DC-DC变换器,以实现低占空比的高电压增益。所提出的变换器以更小的占空比(0.6)实现更高的电压增益(10)。此外,该变换器的电压应力较小。在连续导通模式(CCM)下对该变换器进行了测试。用数学表达式给出了相应的设计方程。通过MATLAB-SIMULINK对该转换器的运行进行了验证。在工作占空比为0.6的200w下,得到了仿真结果。由于输入电流连续,该变换器非常适合光伏应用。
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引用次数: 0
Modelling of DC Power Equations Applied to State Estimation in High Renewable Penetration Power Systems 高可再生渗透电力系统状态估计中的直流功率方程建模
Pub Date : 2023-03-11 DOI: 10.1109/GlobConHT56829.2023.10087445
Stefany Yánez Rojas, Carlos Barrera-Singaña, Paul Muñoz Pilco, Darío Jaramillo Monje, Wilson Pavón
Growth in power systems has led to an increase in operational complexity, highlighting the importance of maintaining them in optimal conditions. State estimation in electric power systems is a crucial tool for determining the state of transmission networks through the use of sensors and topology information. This information is then utilized for contingency analysis and error detection/identification to ensure system reliability. To maintain optimal power system operations, state estimation and its associated techniques are critical components. This work focuses on analyzing DC state estimation using a statistical method and weighted least squares methodology. Anomalous measurements are filtered and corrected using Chi-Square. The algorithm was developed in MATLAB and verified in DIgSILENT PowerFactory. The IEEE 14-bus system, with added wind turbines, was used as a test system to determine security in the power grid through estimator confidence parameters. The results provide valuable insights into the efficacy of the DC state estimation process.
电力系统的增长导致运行复杂性的增加,突出了将其保持在最佳状态的重要性。电力系统状态估计是利用传感器和拓扑信息确定输电网络状态的重要工具。然后利用这些信息进行应急分析和错误检测/识别,以确保系统的可靠性。为了保持电力系统的最佳运行,状态估计及其相关技术是关键的组成部分。本文重点研究了用统计方法和加权最小二乘方法分析直流状态估计。使用卡方对异常测量进行过滤和校正。该算法在MATLAB中开发,并在DIgSILENT PowerFactory中进行了验证。采用IEEE 14总线系统作为测试系统,通过估计器置信度参数确定电网的安全性。研究结果对直流状态估计过程的有效性提供了有价值的见解。
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引用次数: 0
Simplified Modelling and Control of Voltage Source Converter Integrated to Renewable Energy Resources 集成可再生能源的电压源变换器简化建模与控制
Pub Date : 2023-03-11 DOI: 10.1109/GlobConHT56829.2023.10087483
Vinay Kumar Singh, N. Padhy, Y. V. Hote
In this article a novel power control architecture is proposed to control a three-phase voltage source converter (VSC) operating under complex conditions. VSC output is coupled with LCL filter; which filters out unwanted harmonic components. Based on the obtained model from the fractional characteristic of the passive elements a model-based controller is designed. The proposed control structure is adaptive; capable of rejecting disturbances, reducing power, voltage & frequency oscillations from the system; eventually results in desired performance Indices as per the grid codes. The proposed power control structure is validated using MATLAB/Simulink followed by laboratory-based experimentation using a hardware test-bed consisting of OPAL-RT controller and RTDS simulator for BESS integration into local distribution network.
本文提出了一种控制三相电压源变换器(VSC)在复杂条件下工作的新型功率控制结构。VSC输出与LCL滤波器耦合;过滤掉不需要的谐波成分。根据无源元件分数阶特性得到的模型,设计了基于模型的控制器。所提出的控制结构具有自适应性;能够抑制干扰,降低系统的功率、电压和频率振荡;最终根据网格代码得到理想的性能指标。利用MATLAB/Simulink对所提出的功率控制结构进行了验证,然后利用由OPAL-RT控制器和RTDS模拟器组成的硬件试验台进行了实验室实验,将BESS集成到本地配电网中。
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引用次数: 0
Gaussian Kernel Least Mean Sixth Adaptive Control For Hybrid Grid-Interactive Renewable Energy System 混合电网-交互可再生能源系统的高斯核最小均值第六次自适应控制
Pub Date : 2023-03-11 DOI: 10.1109/GlobConHT56829.2023.10087619
Bisma Hamid, Ikhlaq Hussain, Sheikh Javed Iqbal
The interoperability of wind and solar energy is a potential alternative to improve reliability and reduce the probability of an energy supply crisis. Due to the stochastic nature of both the sources, maintaining high quality performance in grid-intertie hybrid energy systems, particularly for non-linear loads, is essential for efficient use of energy. This paper presents a novel gaussian kernel least mean sixth (GKLMSi) grid interactive algorithm for the hybrid renewable energy system along with adaptively controlled dc link voltage. GKLMSi adaptive control effectively tracks various time varying power quality events such as, voltage fluctuations, load disturbances, reactive power variations and harmonic parameters that are of high-order non-linearities. Furthermore, the adaptive dc link voltage control reduces stress on the converters during voltage fluctuations and generates just enough dc link reference for converter current control. This minimizes switching losses and enhances the effectiveness of the system by increasing the grid power delivery, especially for the low voltage operations.
风能和太阳能的互操作性是提高可靠性和减少能源供应危机可能性的潜在替代方案。由于这两种来源的随机性,在电网-互联混合能源系统中保持高质量的性能,特别是对于非线性负载,对于有效利用能源至关重要。本文提出了一种新的高斯核最小平均六次方(GKLMSi)网格交互算法,用于直流链路电压自适应控制的混合可再生能源系统。GKLMSi自适应控制有效地跟踪各种时变电能质量事件,如电压波动、负载扰动、无功功率变化和谐波参数等高阶非线性。此外,自适应直流链路电压控制减少了电压波动时对变换器的压力,并为变换器电流控制提供了足够的直流链路参考。这将最大限度地减少开关损耗,并通过增加电网供电来提高系统的有效性,特别是对于低压运行。
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引用次数: 0
Network Pricing for Energy Storage in Distribution Networks 配电网储能的网络定价
Pub Date : 2023-03-11 DOI: 10.1109/GlobConHT56829.2023.10087450
Sarita Meena, Shubham Patwari, Satish Sharma, Vikas Gupta, R. Bhakar, Parul Mathuria
Traditionally, consumers were charged for using the distribution network based on their net electricity consumption for the considered period of time. But, charging the end users (with installed solar PVs) in this way, reduces their contribution to the recuperation process of network cost. With such consumers, there arises the need to redesign the distribution network pricing mechanisms in the context of active consumers so that network cost recovery can be done. This paper proposes the design of electricity distribution network tariffs considering the active residential consumers. The main objective is to design and understand the distribution network pricing with economic efficiency to recover the network cost from a DSO's point of view and to quantify and address the benefits provided by an Energy Storage System in a distribution network. This is done by incentivizing the customer response and deferring network reinforcements. The proposed method has been tested on realistic data, and the results show that the proposed method can allocate the network charges optimally.
传统上,消费者使用配电网的费用是根据他们在一段时间内的净用电量来计算的。但是,以这种方式向最终用户(安装太阳能光伏)收费,减少了他们对网络成本回收过程的贡献。有了这样的消费者,就有必要在活跃消费者的背景下重新设计分销网络定价机制,以便可以完成网络成本回收。本文提出了考虑活跃居民用户的配电网电价设计。主要目标是设计和理解具有经济效率的配电网定价,以从DSO的角度收回网络成本,并量化和解决配电网中储能系统提供的好处。这是通过激励客户响应和延迟网络增强来实现的。在实际数据上进行了测试,结果表明所提出的方法能够最优地分配网络费用。
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引用次数: 0
A Review on Wireless Charging Methods, Coil Design, Applications, Optimization Techniques and Challenges of Electric Vehicle 电动汽车无线充电方法、线圈设计、应用、优化技术及挑战综述
Pub Date : 2023-03-11 DOI: 10.1109/GlobConHT56829.2023.10087453
B. Alam, S. Mekhilef, M. Seyedmahmoudian, A. Stojcevski, B. Horan, M. Rawa, M. Becherif, Ahmad
This article provides an up-to-date overview of wireless charging technologies, coupler pad design, standards, and optimization strategies. First, the key qualities of an electric vehicle (EV) are explained. Wireless charging approaches and the kind of charging system that depends on vehicle location during charging have been described in detail. The many varieties of coupler pad designs are presented using a graphic and a table. The topics of application and standards are covered. Following that, some of the most often utilized optimization approaches for EV charging station sizing and location are examined. A comparative analysis of the optimization of various optimization techniques has been outlined in tabular form. The paper gave researchers and scholars a thorough understanding of the fundamentals of WPT and its mechanism of operation, with a focus on its explicit application in EVs.
本文提供了无线充电技术、耦合器板设计、标准和优化策略的最新概述。首先,解释了电动汽车的关键品质。详细描述了无线充电方法和充电过程中取决于车辆位置的充电系统类型。用图形和表格介绍了多种耦合器衬垫的设计。涵盖了应用和标准的主题。然后,对电动汽车充电站规模和位置的一些最常用的优化方法进行了研究。各种优化技术的优化比较分析已以表格形式概述。本文使研究人员和学者对WPT的基本原理及其运行机制有了深入的了解,重点介绍了WPT在电动汽车中的具体应用。
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引用次数: 0
期刊
2023 IEEE IAS Global Conference on Renewable Energy and Hydrogen Technologies (GlobConHT)
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