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Application of UPFC on stabilizing torsional oscillations and improving transient stability UPFC在稳定扭振和提高暂态稳定性中的应用
2013 Australasian Universities Power Engineering Conference (AUPEC) Pub Date : 2013-09-01 DOI: 10.1109/AUPEC.2013.6725407
Y. Alharbi, A. Abu Siada, A. Abdou
{"title":"Application of UPFC on stabilizing torsional oscillations and improving transient stability","authors":"Y. Alharbi, A. Abu Siada, A. Abdou","doi":"10.1109/AUPEC.2013.6725407","DOIUrl":"https://doi.org/10.1109/AUPEC.2013.6725407","url":null,"abstract":"This paper investigates the application of Unified Power Flow Controller (UPFC) to stabilize multi-mode torsional oscillations of sub-synchronous resonance (SSR), and to improve the transient stability during a three phase short circuit fault that may result in oscillatory torques on the generator rotor shaft causing serious damages to the system and may call for the disconnection of a wind farm to avoid any possible damages. Simulation is carried out using MATLAB/Simulink software. Results show that the proposed UPFC controller is very effective in damping all SSR modes of the system under study and in minimizing the potential for the wind farm disconnection during the studied faults. The proposed controller is simple and easy to be implemented.","PeriodicalId":121040,"journal":{"name":"2013 Australasian Universities Power Engineering Conference (AUPEC)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131929277","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
A review on chemical diagnosis techniques for transformer paper insulation degradation 变压器纸绝缘退化化学诊断技术综述
2013 Australasian Universities Power Engineering Conference (AUPEC) Pub Date : 2013-09-01 DOI: 10.1109/AUPEC.2013.6725476
Abu Bakar Norazhar, A. Abu‐Siada, Syed Islam
{"title":"A review on chemical diagnosis techniques for transformer paper insulation degradation","authors":"Abu Bakar Norazhar, A. Abu‐Siada, Syed Islam","doi":"10.1109/AUPEC.2013.6725476","DOIUrl":"https://doi.org/10.1109/AUPEC.2013.6725476","url":null,"abstract":"Energized parts within power transformer are isolated using paper insulation and are immersed in insulating oil. Hence, transformer oil and paper insulation are essential sources to detect incipient and fast developing power transformer faults. Several chemical diagnoses techniques are developed to examine the condition of paper insulation such as degree of polymerization, carbon oxides, furanic compounds and methanol. The principle and limitation of these diagnoses are discussed and compared in this paper.","PeriodicalId":121040,"journal":{"name":"2013 Australasian Universities Power Engineering Conference (AUPEC)","volume":"121 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131231006","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 47
Pre-emergency power system security assessment and control using artificial intelligence approaches 基于人工智能方法的应急电力系统安全评估与控制
2013 Australasian Universities Power Engineering Conference (AUPEC) Pub Date : 2013-09-01 DOI: 10.1109/AUPEC.2013.6725371
M. Negnevitsky, C. Rehtanz, U. Hager, N. Tomin, V. Kurbatsky, D. Panasetsky
{"title":"Pre-emergency power system security assessment and control using artificial intelligence approaches","authors":"M. Negnevitsky, C. Rehtanz, U. Hager, N. Tomin, V. Kurbatsky, D. Panasetsky","doi":"10.1109/AUPEC.2013.6725371","DOIUrl":"https://doi.org/10.1109/AUPEC.2013.6725371","url":null,"abstract":"Modern electricity grids continue to be vulnerable to large-scale blackouts. During the past ten years events in North America, Europe and Asia have clearly demonstrated an increasing likelihood of large blackouts. If pre-emergency conditions are identified, preventive actions can be taken, and large-scale blackouts avoided. In the current competitive environment, such conditions may not be easily detected because different problems may simultaneously occur in different parts of a large network within different jurisdictions. In the paper a novel viable approach is proposed to minimise the threat of large-scale blackouts. The proposed system consist of two main parts: the alarm trigger, an intelligent neural network-based system for early detection of possible alarm states in a power system, and the competitive-collaborative multi-agent control system. We demonstrated the approach on the modified 53-bus IEEE power system. Results are presented and discussed.","PeriodicalId":121040,"journal":{"name":"2013 Australasian Universities Power Engineering Conference (AUPEC)","volume":"368 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126643229","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Excitation system fault diagnosis and mitigation in multi-machine power grids 多机电网励磁系统故障诊断与缓解
2013 Australasian Universities Power Engineering Conference (AUPEC) Pub Date : 2013-09-01 DOI: 10.1109/AUPEC.2013.6725451
S. Saha, M. Aldeen, M. Mahmud
{"title":"Excitation system fault diagnosis and mitigation in multi-machine power grids","authors":"S. Saha, M. Aldeen, M. Mahmud","doi":"10.1109/AUPEC.2013.6725451","DOIUrl":"https://doi.org/10.1109/AUPEC.2013.6725451","url":null,"abstract":"An approach for fault diagnosis and restoration in the excitation systems of multi-machine power systems is presented in this paper. The approach is capable of detecting and locating faults in any exciter anywhere in the system with high accuracy using simple fuzzy logic. The use of logic only implies that faults can be detected in near real time. Once the fault is detected, the excitation is immediately adjusted to control the field current and thus the terminal voltage of the affected generator and also to ensure stability of the whole system. The high accuracy and real-time aspects of the proposed approach are verified through case studies performed on IEEE 30 bus power system.","PeriodicalId":121040,"journal":{"name":"2013 Australasian Universities Power Engineering Conference (AUPEC)","volume":"83 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129545971","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Load leveling in LV network using coordianted Energy Storage Units 基于协同储能单元的低压电网负荷均衡
2013 Australasian Universities Power Engineering Conference (AUPEC) Pub Date : 2013-09-01 DOI: 10.1109/AUPEC.2013.6725378
G. Mokhtari, G. Nourbakhsh, A. Ghosh
{"title":"Load leveling in LV network using coordianted Energy Storage Units","authors":"G. Mokhtari, G. Nourbakhsh, A. Ghosh","doi":"10.1109/AUPEC.2013.6725378","DOIUrl":"https://doi.org/10.1109/AUPEC.2013.6725378","url":null,"abstract":"This paper proposes a new distributed coordination approach to make load leveling, using Energy Storage Units (ESUs) in LV network. The proposed distributed control strategy is based on consensus algorithm which shares the required active power equally among the ESUs with respect to their rating. To show the effectiveness of the proposed approach, a typical radial LV network is simulated as a case study.","PeriodicalId":121040,"journal":{"name":"2013 Australasian Universities Power Engineering Conference (AUPEC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129707532","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A droop control based load sharing approach for management of renewable and non-renewable energy resources in a remote power system 基于下垂控制的远程电力系统可再生和不可再生能源负荷共享管理方法
2013 Australasian Universities Power Engineering Conference (AUPEC) Pub Date : 2013-09-01 DOI: 10.1109/AUPEC.2013.6725367
Yingjie Tan, K. Muttaqi, Lasantha Gunaruwan Meegahapola
{"title":"A droop control based load sharing approach for management of renewable and non-renewable energy resources in a remote power system","authors":"Yingjie Tan, K. Muttaqi, Lasantha Gunaruwan Meegahapola","doi":"10.1109/AUPEC.2013.6725367","DOIUrl":"https://doi.org/10.1109/AUPEC.2013.6725367","url":null,"abstract":"Droop control is a load sharing strategy applied in conventional power systems. In this paper, droop control strategy has been adopted for the generators in a remote area power supply (RAPS) system in order to share active and reactive power load based on the rated capacities of the generators. Different characteristics of conventional and inverter-based energy resources make it difficult to share load in proportion to the rated capacities of the generators in a RAPS system. Therefore, this paper investigates the load sharing performance of different combinations of conventional and inverter-based energy resources in RAPS systems. The study scenarios investigated in this study comprised of conventional energy resources, inverter-based energy resources, and both conventional and inverter-based energy resources. Simulation results have illustrated the effectiveness of droop control strategy to share load among conventional and inverter-based energy resources in a RAPS system. Furthermore, due to different characteristics of generators, power sharing performance has impaired, in particular, in RAPS systems consisting of both conventional and inverter-based generators compared to the RAPS systems with generators of the same type.","PeriodicalId":121040,"journal":{"name":"2013 Australasian Universities Power Engineering Conference (AUPEC)","volume":"131 6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130818297","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 11
A coordinated voltage support strategy for LV network with multiple DSTATCOMs 具有多个dstatcom的低压网络的协调电压支持策略
2013 Australasian Universities Power Engineering Conference (AUPEC) Pub Date : 2013-09-01 DOI: 10.1109/AUPEC.2013.6725395
G. Mokhtari, G. Nourbakhsh, A. Ghosh
{"title":"A coordinated voltage support strategy for LV network with multiple DSTATCOMs","authors":"G. Mokhtari, G. Nourbakhsh, A. Ghosh","doi":"10.1109/AUPEC.2013.6725395","DOIUrl":"https://doi.org/10.1109/AUPEC.2013.6725395","url":null,"abstract":"Voltage rise and drop are the main power quality challenges in Low Voltage (LV) network with Renewable Energy (RE) generators. This paper proposes a new voltage support strategy based on coordination of multiple Distribution Static Synchronous Compensators (DSTATCOMs) using consensus algorithm. The study focuses on LV network with PV as the RE source for customers. The proposed approach applied to a typical residential LV network and its advantages are shown comparing with other voltage control strategies.","PeriodicalId":121040,"journal":{"name":"2013 Australasian Universities Power Engineering Conference (AUPEC)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129931496","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Developing a method to accurately estimate the grid-connected solar PV electricity cost in Hobart-Australia 开发一种准确估算霍巴特-澳大利亚并网太阳能光伏发电成本的方法
2013 Australasian Universities Power Engineering Conference (AUPEC) Pub Date : 2013-09-01 DOI: 10.1109/AUPEC.2013.6725420
A. Zahedi
{"title":"Developing a method to accurately estimate the grid-connected solar PV electricity cost in Hobart-Australia","authors":"A. Zahedi","doi":"10.1109/AUPEC.2013.6725420","DOIUrl":"https://doi.org/10.1109/AUPEC.2013.6725420","url":null,"abstract":"Solar photovoltaic electricity is more expensive by a large margin compared with conventional electricity at retail level. As a result, general public members do not find the solar PV electricity an attractive option to use for generating a portion of their electricity need. To promote PV electricity utilization and to make it more attractive, Governments of some countries like Germany, Japan, USA, Australia, and etc. have introduced solar PV incentive programs. Most of grid-connected photovoltaic (PV) systems on residential or commercial buildings in these countries are installed by individuals interested in generating part of their electricity emission-free. For some of these people the economics of the PV electricity is likely to be of secondary importance, while majority of them would like to see financial return to become interested to use PV electricity. The objective of this paper is to present the results of a study conducted on the economic aspects of solar PV to estimate the electricity price of grid-connected rooftop PV system under climate conditions and geographical location of Hobart-Australia (at the latitude of between 43° S, and longitude of 147° E to see if the use of PV electricity is attractive and affordable by residential customers. The results of this study will help to determining an appropriate feed-in tariff for solar PV electricity in Hobart-Australia.","PeriodicalId":121040,"journal":{"name":"2013 Australasian Universities Power Engineering Conference (AUPEC)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125413705","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Optimizing basis function pole locations for transformer frequency response identification 变压器频响识别基函数极点位置优化
2013 Australasian Universities Power Engineering Conference (AUPEC) Pub Date : 2013-09-01 DOI: 10.1109/AUPEC.2013.6725408
Samuel Wolinski, J. Welsh, J. Tusek
{"title":"Optimizing basis function pole locations for transformer frequency response identification","authors":"Samuel Wolinski, J. Welsh, J. Tusek","doi":"10.1109/AUPEC.2013.6725408","DOIUrl":"https://doi.org/10.1109/AUPEC.2013.6725408","url":null,"abstract":"In this paper a technique for obtaining accurate parametric models of wideband frequency domain systems is applied to modeling the frequency response of power transformers. Obtaining accurate frequency response models is a problem for conventional identification techniques, and typically results in ill-conditioning due to the frequency range and numerous resonant modes of the transformer. `Frequency Localising Basis Functions' improve the conditioning of the estimator, and hence provide a more accurate fit. The location of these functions are optimized using Particle Swarm Optimization, and applied to frequency response data taken from a power transformer. A case study is undertaken on a 132kV, 60MVA power transformer.","PeriodicalId":121040,"journal":{"name":"2013 Australasian Universities Power Engineering Conference (AUPEC)","volume":"95 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123076285","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Determining the technical and economic impact of reconfiguring a transmission system 确定重新配置输电系统的技术和经济影响
2013 Australasian Universities Power Engineering Conference (AUPEC) Pub Date : 2013-09-01 DOI: 10.1109/AUPEC.2013.6725389
Derek Jones, H. Samarakoon
{"title":"Determining the technical and economic impact of reconfiguring a transmission system","authors":"Derek Jones, H. Samarakoon","doi":"10.1109/AUPEC.2013.6725389","DOIUrl":"https://doi.org/10.1109/AUPEC.2013.6725389","url":null,"abstract":"Evolution of the power system has left many older transmission lines in service. These transmission lines are increasingly expensive to maintain. Since these lines were originally built, additional new transmission lines have been built with capacity for forecasted future requirements. If these newer lines are used and the older lines decommissioned, the transmission capacity would be more fully utilized and maintenance expenditure would drop. Re-routing of power flows and retiring of old lines is to be optimized with further development of the network. Re-routing of power flows has an impact on the wider system. Services provided by generation connected to older lines may be reduced. This paper proposes a method of quantifying the technical and economic impact of re-routing the power flow while also addressing new and emerging issues in the network. As a case study the impact of decommissioning some older lines between a group of generators and a large load in Tasmania is analysed.","PeriodicalId":121040,"journal":{"name":"2013 Australasian Universities Power Engineering Conference (AUPEC)","volume":"80 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132551961","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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