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2017 Australasian Universities Power Engineering Conference (AUPEC)最新文献

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Developing a simulation framework for integrating multi-agent protection system into smart grids 开发多智能体保护系统集成到智能电网中的仿真框架
Pub Date : 2017-11-01 DOI: 10.1109/AUPEC.2017.8282427
P. Peidaee, Akhtar Kalam, M. H. Moghaddam
Although the concept of smart grid has been inspiring for applying complex algorithms and strategies in operating of power systems, but verification of these algorithms are presumed on reliable and accurate simulation framework. To address this significant aspect of the smart grid, a simulation framework is developed through interfacing between MATLAB/SIMULINK with Java Agent Development Environment (JADE). Furthermore, based on the proposed simulation framework a multi-agent protection system (MAPS) has been identified where different agent types collaborate in system protection tasks. The main objective of this paper is to highlight the requirements for an effective simulation framework to integrate MAPS into future smart grids.
虽然智能电网的概念对在电力系统运行中应用复杂的算法和策略具有启发意义,但这些算法的验证需要在可靠、准确的仿真框架上进行。为了解决智能电网的这一重要方面,通过MATLAB/SIMULINK与Java代理开发环境(JADE)之间的接口开发了一个仿真框架。此外,基于所提出的仿真框架,确定了一个多智能体保护系统(MAPS),其中不同类型的智能体在系统保护任务中协同工作。本文的主要目的是强调将MAPS集成到未来智能电网中的有效仿真框架的要求。
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引用次数: 5
A hardware/software co-simulation approach for power converter firmware design and debugging 一种用于电源转换器固件设计与调试的软硬件联合仿真方法
Pub Date : 2017-11-01 DOI: 10.1109/AUPEC.2017.8282430
C. Teixeira, D. G. Holmes, B. Mcgrath, R. Wilkinson, P. McGoldrick, A. McIver
This paper presents a hardware/software co-simulation approach to rapidly develop and validate processor firmware for modern power electronic converters. The methodology models in precise detail all significant electronic circuitry of the target power converter, and then executes the actual software source code of the physical digital signal processor in the simulation environment. This creates a near real-world firmware debugging capability that saves considerable code development time while still being safe to execute. The approach has been used by research students and undergraduate/postgraduate students to develop firmware for a wide variety of power electronic converter applications. Matching simulation and experimental results of an exemplary single-phase active rectifier application are provided to illustrate the effectiveness of the approach.
本文提出了一种硬件/软件联合仿真方法来快速开发和验证现代电力电子变换器的处理器固件。该方法对目标功率转换器的所有重要电子电路进行了精确详细的建模,然后在仿真环境中执行物理数字信号处理器的实际软件源代码。这创建了一个接近真实世界的固件调试功能,节省了大量的代码开发时间,同时仍然可以安全执行。该方法已被研究生和本科生/研究生用于开发各种电力电子转换器应用的固件。通过一个单相有源整流器实例的匹配仿真和实验结果,说明了该方法的有效性。
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引用次数: 2
Recent development in AC microgrid control — A survey 交流微电网控制研究进展综述
Pub Date : 2017-11-01 DOI: 10.1109/AUPEC.2017.8282457
D. Semënov, G. Mirzaeva, C. Townsend, G. Goodwin
The main objective of this study is to provide a comprehensive overview of the most recent developments in the solutions are being categorized and analyzed. This study mainly focuses on primary and secondary control levels of AC microgrids. Future trends and promising research directions are presented. A new approach recently proposed by the authors is discussed.
本研究的主要目的是全面概述正在分类和分析的解决方案的最新发展。本文主要研究交流微电网的一次和二次控制水平。展望了未来的发展趋势和研究方向。讨论了作者最近提出的一种新方法。
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引用次数: 6
Technical and non-technical juxtaposition of domestic lighting bulbs of the Australian market 澳大利亚市场家用照明灯泡的技术与非技术并置
Pub Date : 2017-11-01 DOI: 10.1109/AUPEC.2017.8282513
Muhammad Usman, Farhad Shahnia, G. Shafiullah, A. Arefi, Daming Zhang
Different non-linear (power electronic-based) loads are connected to residential supply feeders, among which light bulbs such as light emitting diodes and compact fluorescent lamps are one of them. These single-phase loads inject harmonic currents and draw reactive power because of their power electronic and ballast circuits. Due to an increase in the emergence of different types of lamps, mainly because of their better luminous efficacy, the accumulated impact of thousands of them can be adverse to utility's power quality. Thus, a detailed study is conducted to evaluate these lamps from different manufacturers and with different ratings. They are evaluated from power quality perspectives such as current harmonics, total harmonic distortion, as well as non-power quality factors such as power factor and non-fundamental components of apparent power, which are important criteria for utilities. Alongside non-technical criteria such as the cost, luminous efficacy, and lifespan are also analyzed.
不同的非线性(基于电力电子)负载连接到住宅馈线,其中灯泡,如发光二极管和紧凑型荧光灯是其中之一。这些单相负载由于其电力电子和镇流器电路而注入谐波电流并吸收无功功率。由于不同类型的灯的出现越来越多,主要是因为它们的发光效率更好,成千上万的累积影响可能对公用事业的电力质量不利。因此,进行了详细的研究,以评估这些灯从不同的制造商和不同的评级。它们从电流谐波、总谐波畸变等电能质量角度以及功率因数和视在功率的非基本分量等非电能质量因素进行评估,这是公用事业的重要标准。除了非技术标准,如成本,光效和寿命也进行了分析。
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引用次数: 0
Assessment of voltage stability risks under stochastic net loads using scalable SVM classification 基于可扩展支持向量机分类的随机净负荷下电压稳定风险评估
Pub Date : 2017-11-01 DOI: 10.1109/AUPEC.2017.8282424
Antonin Demazy, T. Alpcan, I. Mareels, S. Saha
A novel approach is presented to identify and assess voltage stability risk in power networks that include nodes with variable loads and intermittent renewable generation. Given a power network configuration, the approach firstly assesses voltage instability boundaries at selected nodes in response to stochastic operational conditions (variable load and intermittent decentralised generation). By iteratively calculating Saddle Node Bifurcation (SNB) points one node at a time given a set of loads and intermittent generation conditions at the other nodes, those data points are used as training sets for support vector machine (SVM) classifiers. Secondly, a marginal voltage stability risk probability distribution for the intermittent buses is derived using Monte Carlo simulation methods with stochastic net load profiles within the system where instability status at each simulation is derived from the trained set of SVM classifiers. The key advantage of the proposed method is its scalability to higher dimension networks for which the SVM training date set must be calculated only once. The voltage risk probability distribution acquires a significant importance in the design of quantitative risk valuation framework for planning and expansion purposes in a context of network with decentralised and intermittent generation. This paper focuses on describing the approach to derive a voltage risk probability using SVM technique, while the construction and use of the probability distribution in a comprehensive risk valuation framework for planning is left for future work to the authors.
提出了一种新的方法来识别和评估包含可变负荷节点和间歇性可再生能源发电的电网电压稳定风险。给定电网配置,该方法首先评估响应随机运行条件(可变负载和间歇性分散发电)的选定节点的电压不稳定边界。在给定其他节点的一组负载和间歇生成条件下,每次迭代计算一个节点的鞍节点分岔(SNB)点,这些数据点被用作支持向量机(SVM)分类器的训练集。其次,利用蒙特卡罗模拟方法,在系统内随机净负荷分布的情况下,推导出间歇母线的边际电压稳定风险概率分布,其中每次模拟时的不稳定状态由训练好的SVM分类器集导出。该方法的主要优点是可扩展到高维网络,而支持向量机训练数据集只需要计算一次。电压风险概率分布在分布式间歇发电电网规划和扩容的定量风险评估框架设计中具有重要意义。本文重点描述了使用支持向量机技术推导电压风险概率的方法,而概率分布在综合风险评估框架中的构建和使用将留给作者未来的工作。
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引用次数: 4
Optimization of hybrid wind-diesel-battery energy system for remote areas of Malaysia 马来西亚偏远地区风力-柴油-电池混合能源系统的优化
Pub Date : 2017-11-01 DOI: 10.1109/AUPEC.2017.8282390
S. Shezan, Chow Yin Lai
A high level of individuals on the planet is living in decentralized, rustic and remote territories which are topographically detached from lattice association. Power dissemination and consistent fuel transportation to create electrical vitality for these regions represent an awesome test. A savvy lattice mixture vitality framework has been outlined and mimicked to help a little group considering a normal load request of 72 kWh/d and a pinnacle heap of 7 kW. The recreation and enhancement procedure of the cross breed vitality framework, with the thought of meteorological information, have been finished by HOMER Software. Reenactment comes about demonstrate that the proposed framework is financially and ecologically doable, and that the Net Present Cost (NPC) and in addition CO2 outflow are diminished by around 74% and 92% separately every year contrasted with customary power plants. The NPC of the streamlined framework has been observed to be about US$ 76,901 with the Cost of Energy (COE) of about US$ 0.198/kWh. This upgraded mixture vitality framework will be pertinent for every single other area on the planet with comparative meteorological and natural conditions.
地球上的高水平个人生活在分散的、乡村的和偏远的地区,这些地区在地形上与晶格关联分离。为这些地区创造电力活力的电力传播和持续的燃料运输是一个可怕的考验。一个精明的格子混合活力框架已经被概述和模仿,以帮助一个小小组考虑正常负荷要求72千瓦时/天和顶峰堆7千瓦。利用HOMER软件,以气象信息为思想,完成了杂交品种活力框架的再造和增强过程。再现证明了所提议的框架在经济上和生态上都是可行的,并且与传统发电厂相比,净当前成本(NPC)和二氧化碳排放量每年分别减少约74%和92%。据观察,流线型框架的NPC约为76,901美元,能源成本(COE)约为0.198美元/千瓦时。这种升级的混合活力框架将适用于地球上具有相对气象和自然条件的每一个其他地区。
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引用次数: 10
Trends and challenges of next generation grid connected photovoltaic inverter — An overview 新一代并网光伏逆变器的发展趋势与挑战——综述
Pub Date : 2017-11-01 DOI: 10.1109/AUPEC.2017.8282484
Joydip Jana, K. Das Bhattacharya, H. Saha
This paper addresses recent trends and technical challenges that need to be addressed and taken care of in order for Grid connected PV system to be at parity with mainstream power generation. The challenges such as frequency regulation, voltage and reactive power control and fault ride through (FRT) capableness, ramp rate control with the help of energy storage system etc. need to be provided by the next generation Grid connected PV inverters have been discussed. Recent trends of these modern power electronics devices to be smart with high efficiency, high reliability and high power density by using of emerging semiconductor technologies and multilevel inverter topologies have been presented.
为了使并网光伏发电系统与主流发电系统并网,本文阐述了需要解决和处理的最新趋势和技术挑战。讨论了下一代并网光伏逆变器需要提供的频率调节、电压和无功控制、故障穿越(FRT)能力、借助储能系统的斜坡速率控制等挑战。利用新兴的半导体技术和多电平逆变器拓扑结构,现代电力电子器件向高效率、高可靠性和高功率密度的智能化方向发展。
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引用次数: 4
High bandwidth sensorless synchronisation strategies for current regulated grid connected converters 电流调节并网变流器的高带宽无传感器同步策略
Pub Date : 2017-11-01 DOI: 10.1109/AUPEC.2017.8282432
A. Nazib, D. G. Holmes, B. Mcgrath
Distributed generation (DG) sources are commonly interfaced to the grid using a current regulated converter, which must be synchronized to the grid. Typically this is achieved using a phase locked loop (PLL), which must reject any harmonic distortion in the grid voltage. Conventionally this necessitates a PLL design with a low bandwidth, which then degrades the PLL's dynamic capability. In this paper an indirect or sensorless synchronization strategy is presented whereby the PLL is fed instead from the output of a stationary frame Proportional Resonant (PR) current regulator. It is shown that this structure allows for an arbitrary increase in the PLL bandwidth, with the harmonic disturbance rejection properties of the strategy further enhanced by using multiple harmonic resonators in the PR current regulator. Simulation results are presented to validate the theoretical development.
分布式发电(DG)电源通常使用电流调节转换器与电网连接,该转换器必须与电网同步。通常这是使用锁相环(PLL)来实现的,它必须抑制电网电压中的任何谐波失真。通常情况下,这需要一个低带宽的锁相环设计,然后降低锁相环的动态能力。本文提出了一种间接或无传感器同步策略,其中锁相环由固定帧比例谐振(PR)电流调节器的输出馈电。结果表明,该结构允许任意增加锁相环带宽,并通过在PR电流调节器中使用多个谐波谐振器进一步增强了该策略的谐波抗干扰性能。仿真结果验证了理论的发展。
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引用次数: 3
Capacity firming of intermittent generation by dispersed energy storage 分散式储能间歇发电的容量确定
Pub Date : 2017-11-01 DOI: 10.1109/AUPEC.2017.8282510
M. Pantoš, Shariq Riaz, Archie C. Chapman, G. Verbič
The paper addresses the question of capacity firming of renewable energy sources as an effective tool for mitigating the volatility of their generation. The existing approaches propose an integration of these sources with some flexible production as a back-up support, flexible demand or energy storage systems at point of common coupling in order to provide some degree of firmness to the production. However, this research makes step further towards the idea to provide an adequate support with dispersed energy storage capacities at the distribution level owned by numerous prosumers (not excluding consumers and virtual power plants), where the batteries are primarily deployed for the needs of the prosumers (maximization of self-consumption) and the remaining capacities are available to the intermittent generation for capacity firming. In the proposed bilevel optimization model, the lower-level problem is embedded into the upper-level problem applying the optimality Karush-Kuhn-Tucker conditions. The problem is solved by mixed-integer linear programming and the solution is tested and verified on a case study with one wind generator and up to 30,000 prosumers.
本文解决了可再生能源的容量固定问题,作为减轻其发电波动性的有效工具。现有的方法建议将这些资源与一些灵活的生产相结合,作为后备支持,灵活的需求或能源存储系统在公共耦合点上,以便为生产提供一定程度的稳定性。然而,这项研究在为众多产消者(不排除消费者和虚拟发电厂)拥有的分布式储能能力提供充分支持的想法上迈出了一步,其中电池主要用于产消者的需求(自我消费最大化),剩余的容量可用于间歇性发电以确定容量。在双层优化模型中,利用最优性Karush-Kuhn-Tucker条件将底层问题嵌入到上层问题中。该问题通过混合整数线性规划解决,并在一个风力发电机和多达30,000个产消用户的案例研究中进行了测试和验证。
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引用次数: 4
Distribution feeder protection and reconfiguration using multi-agent approach 基于多智能体方法的配电馈线保护与重构
Pub Date : 2017-11-01 DOI: 10.1109/AUPEC.2017.8282425
N. Isherwood, M. Rahman, A. Oo
This paper presents a multi-agent based protection scheme for reconfiguring and restoring the service of distribution feeders through effective fault diagnosis technique. Short-circuit faults occur frequently in power distribution networks and in such a condition, a proper fault detection is very important to either recover the system from collapse or reconfigure and restore the system after an outage. The detection of multiple fault locations in distribution feeders is challenging and time consuming tasks. In this paper, a hierarchy of relay agents and configuration agent is developed to coordinate the protection system operation. The relay agents contribute to the fault detection and isolation processes whereas the configuration agent reconfigures the system to restore maximum possible loads through effective relay coordination via information exchange. An 11 kV open ring distribution feeder is considered as test bed to evaluate the performance. The simulation results indicate that the proposed method can identify multiple faults in the system accurately and reconfigure the system during the event of faults.
通过有效的故障诊断技术,提出了一种基于多智能体的配电馈线重新配置和恢复服务的保护方案。配电网络中短路故障频繁发生,在这种情况下,正确的故障检测对于恢复系统的崩溃状态或在停电后重新配置和恢复系统是非常重要的。配电馈线的多故障位置检测是一项具有挑战性且耗时的任务。本文提出了一种继电代理和组态代理的层次结构来协调保护系统的运行。中继代理有助于故障检测和隔离过程,而配置代理通过信息交换进行有效的中继协调,重新配置系统以恢复最大可能的负载。以11kv开环配电馈线为试验台,对其性能进行了评价。仿真结果表明,该方法可以准确识别系统中的多个故障,并在故障发生时对系统进行重新配置。
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引用次数: 2
期刊
2017 Australasian Universities Power Engineering Conference (AUPEC)
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