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2010 5th International Conference on Critical Infrastructure (CRIS)最新文献

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A multi-agent system for distributed energy resources control in microgrid 微电网分布式能源控制的多智能体系统
2010 5th International Conference on Critical Infrastructure (CRIS) Pub Date : 2010-11-01 DOI: 10.1109/CRIS.2010.5617485
Wenfeng Zheng, Jin-Ding Cai
{"title":"A multi-agent system for distributed energy resources control in microgrid","authors":"Wenfeng Zheng, Jin-Ding Cai","doi":"10.1109/CRIS.2010.5617485","DOIUrl":"https://doi.org/10.1109/CRIS.2010.5617485","url":null,"abstract":"The microgrid is a potential solution for future distributed generation systems. It aggregates many distributed energy resources (DERs) and loads together as an autonomous entity. As the penetration of DERs is increasing and their characteristics are very distinct, the control of DERs in microgrid is still a complex task. In this paper, a multi-agent system (MAS) approach, as a branch of distributed artificial intelligence methods, is introduced for DERs control in microgrid. The DER units and loads are classified and three types of agents, namely, the regional agent (RA), the local agent (LA) and the service agent (SA) are also defined. Two-layer control strategies are established to achieve local autonomy and global optimization respectively, operating in both grid-connected mode and island mode. Generation/load forecasting and schedule of loads shedding are also discussed in this paper.","PeriodicalId":206094,"journal":{"name":"2010 5th International Conference on Critical Infrastructure (CRIS)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114987509","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: 43
Design and realization of a bi-directional DC/DC power storage converter's control system 双向DC/DC储能变换器控制系统的设计与实现
2010 5th International Conference on Critical Infrastructure (CRIS) Pub Date : 2010-11-01 DOI: 10.1109/CRIS.2010.5617504
Y. Juan, Lin Weiguo, Yan Tao, Hui Dong, Song Li, Zhang Chenyun
{"title":"Design and realization of a bi-directional DC/DC power storage converter's control system","authors":"Y. Juan, Lin Weiguo, Yan Tao, Hui Dong, Song Li, Zhang Chenyun","doi":"10.1109/CRIS.2010.5617504","DOIUrl":"https://doi.org/10.1109/CRIS.2010.5617504","url":null,"abstract":"The bi-directional DC/DC converter with high power rate plays a key role in power storage system, while it converts DC voltage or DC current for the power storage battery, and then come to the need of DC voltage/current in applications. It illustrates the design of the system hardware and software realization based on this local controller and the host computer structure in detail, in which the local controller provides the power circuit a const voltage/current in BUCK/BOOST mode, and the host computer supplies control at system level in long-distance, including setting the bi-directional DC/DC converter's operation mode, parameters' configuration and monitoring. The outcome of the experiment proved that the system can provide the power storage converter reliable and effective control, the waveforms of the voltages and currents meets the design requirements.","PeriodicalId":206094,"journal":{"name":"2010 5th International Conference on Critical Infrastructure (CRIS)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134570972","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: 3
Bid-scheduling of demand side reserve based on demand response considering carbon emission trading in smart grid 考虑碳排放交易的智能电网需求侧备用竞价调度
2010 5th International Conference on Critical Infrastructure (CRIS) Pub Date : 2010-11-01 DOI: 10.1109/CRIS.2010.5617534
Xin Ai, Xiao Liu, Wenjun Qiu, Yang Wang
{"title":"Bid-scheduling of demand side reserve based on demand response considering carbon emission trading in smart grid","authors":"Xin Ai, Xiao Liu, Wenjun Qiu, Yang Wang","doi":"10.1109/CRIS.2010.5617534","DOIUrl":"https://doi.org/10.1109/CRIS.2010.5617534","url":null,"abstract":"Traditionally, reserves are deployed on generation side. As load demands increase greatly and carbon emission cap policy is implemented, reserve market will suffer from both poor reserve resources and extreme price strike. In this paper, a novel philosophy is presented which is called demand side reserve (DSR) based on demand response (DR) considering carbon emission trading (CET) under smart grid. Firstly, DSRs will be classified into three types by their characteristics and clearing cost models of them are given respectively. CET approach is employed here to describe an opportunity cost of DSRs and encourage customers to participate into carbon emission reduction. Secondly, a DSR-scheduling framework is developed which could realize the carbon emission quotas circulation from demand side to generation side under the CET system. Finally, simulation on a test system is used to illustrate the benefits of the proposed view.","PeriodicalId":206094,"journal":{"name":"2010 5th International Conference on Critical Infrastructure (CRIS)","volume":"207 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114593532","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: 10
A new substation configuration algorithm based on the graphic characteristic of the main electrical connection 一种基于主接线图形特性的变电站组态算法
2010 5th International Conference on Critical Infrastructure (CRIS) Pub Date : 2010-11-01 DOI: 10.1109/CRIS.2010.5617556
Jinfang Zhang, Zengping Wang, Yagang Zhang
{"title":"A new substation configuration algorithm based on the graphic characteristic of the main electrical connection","authors":"Jinfang Zhang, Zengping Wang, Yagang Zhang","doi":"10.1109/CRIS.2010.5617556","DOIUrl":"https://doi.org/10.1109/CRIS.2010.5617556","url":null,"abstract":"In order to overcome some disadvantages of the conventional adjacent matrix method, the relationship between the elements of the adjacent matrix and the connected routes among nodes is analyzed as the fundamental introduction. Subsequently, the graphic characteristic of the main electrical connection in power plant or substation is extracted as three types: single branch, two branches in-parallel and multi-branches in-parallel, and an unified principle for the formulation of connected routes among arbitrary two nodes in wiring connection is also proposed as the cornerstone for the novel method. Thirdly, a novel method of substation configuration is established based on the set of connected routes among arbitrary two nodes, and by mean of taking the route state as variables, the value of connected routes set is used to directly determine the element in corresponding place of the adjacent matrix. Finally, the example results show that the new method is able to finish the original topology analysis and track the state status of switches more accurately and rapidly.","PeriodicalId":206094,"journal":{"name":"2010 5th International Conference on Critical Infrastructure (CRIS)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134407078","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
Study on a new Arc-suppression coil based on AC bias 基于交流偏压的新型消弧线圈的研究
2010 5th International Conference on Critical Infrastructure (CRIS) Pub Date : 2010-11-01 DOI: 10.1109/CRIS.2010.5617513
Lixiao Duan, Lei Li, Jian Zhang
{"title":"Study on a new Arc-suppression coil based on AC bias","authors":"Lixiao Duan, Lei Li, Jian Zhang","doi":"10.1109/CRIS.2010.5617513","DOIUrl":"https://doi.org/10.1109/CRIS.2010.5617513","url":null,"abstract":"Arc-suppression coil is a widely used apparatus in 10-35KV level power network,which is a controllable reactor essentially and the reactance of the Arc-suppression coil can be regulated accordantly with the variety of capacitive current. The paper proposes a new Arc-suppression coil excited by AC current and analyzes characteristics of the coil by means of simulation and experiment, also gets some useful conclusions that will provide references for the future application.","PeriodicalId":206094,"journal":{"name":"2010 5th International Conference on Critical Infrastructure (CRIS)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132895159","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
New principle of transformer protection based on spectral entropy characteristics 基于谱熵特性的变压器保护新原理
2010 5th International Conference on Critical Infrastructure (CRIS) Pub Date : 2010-11-01 DOI: 10.1109/CRIS.2010.5617482
Z. Feifei, Xu Yan
{"title":"New principle of transformer protection based on spectral entropy characteristics","authors":"Z. Feifei, Xu Yan","doi":"10.1109/CRIS.2010.5617482","DOIUrl":"https://doi.org/10.1109/CRIS.2010.5617482","url":null,"abstract":"A new transformer protection theory based on spectral entropy characteristics is put forward in this paper. First, the algorithm of empirical mode decomposition (EMD) and entropy are developed, and variation trends of spectral entropy characteristics are analyzed in the case of inrush currents and internal fault currents. EMD algorithm is used to conduct the accurate location of current breaks and the spectral entropy is calculated for all of the states. The advantages of the method are little computation, reliable and quick operation. The results of dynamic analog testing confirmed that the method is able to clear the internal fault reliably and quickly. Moreover, compared with the second harmonic restraint principle, the proposed algorithm has better performance.","PeriodicalId":206094,"journal":{"name":"2010 5th International Conference on Critical Infrastructure (CRIS)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133093245","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
A methodology for vulnerability assessment of backup protection under cascading failures 级联故障下备份保护脆弱性评估方法
2010 5th International Conference on Critical Infrastructure (CRIS) Pub Date : 2010-11-01 DOI: 10.1109/CRIS.2010.5617577
W. Yang, T. Bi, S. F. Huang, A. Xue, Q. Yang
{"title":"A methodology for vulnerability assessment of backup protection under cascading failures","authors":"W. Yang, T. Bi, S. F. Huang, A. Xue, Q. Yang","doi":"10.1109/CRIS.2010.5617577","DOIUrl":"https://doi.org/10.1109/CRIS.2010.5617577","url":null,"abstract":"To avoid undesired operation of backup protection caused by load encroachment under cascading failures, the methodology for vulnerability assessment of backup protection is studied. In this paper, the vulnerability assessment of backup protections is formulated as a mixed integer nonlinear programming problem, which is solved by the binary particle swarm optimization approach. The measurement index for assessing the vulnerability of backup protection is given as well. The simulation results on New England 39-bus system demonstrate that the proposed method can effectively assess the vulnerability of backup protection under cascading failures.","PeriodicalId":206094,"journal":{"name":"2010 5th International Conference on Critical Infrastructure (CRIS)","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133555299","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
An adaptive single phase reclosing algorithm based on the mathematical morphology 基于数学形态学的自适应单相重合闸算法
2010 5th International Conference on Critical Infrastructure (CRIS) Pub Date : 2010-11-01 DOI: 10.1109/CRIS.2010.5617548
T. Zheng, Min Liu, G. Preston, V. Terzija
{"title":"An adaptive single phase reclosing algorithm based on the mathematical morphology","authors":"T. Zheng, Min Liu, G. Preston, V. Terzija","doi":"10.1109/CRIS.2010.5617548","DOIUrl":"https://doi.org/10.1109/CRIS.2010.5617548","url":null,"abstract":"Single-phase Auto-reclosing (SPAR) is widely used on EHV/UHV transmission lines to improve power system reliability. However, reclosing on to a permanent fault can adversely affect the system stability and damage generators and other equipment connected to the line. To solve this problem, a new algorithm for improving the single-phase adaptive autoreclosure is presented in this paper. Firstly, primary and secondary arc models are introduced, then a series of simulations are carried out based on the arc models. By analyzing the simulation results, a new method to discriminate between transient faults and permanent faults is proposed. Since fault arcs are associated with transient faults, and the frequent re-ignitions of the secondary arc cause distortions in the line voltage, a reliable single-phase autoreclosure can be achieved by measuring the distortion in the line voltage waveform. In order to improve the distortion detection, Multi-resolution Morphological Gradient (MMG) has been adopted. Finally, numerous simulation results show that the algorithm proposed in this paper can be used as an effective tool for realizing the SPAR.","PeriodicalId":206094,"journal":{"name":"2010 5th International Conference on Critical Infrastructure (CRIS)","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124127553","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
Research on new reliability indices of wind farms 新型风电场可靠性指标研究
2010 5th International Conference on Critical Infrastructure (CRIS) Pub Date : 2010-11-01 DOI: 10.1109/CRIS.2010.5617491
Xu Yu, Zhu Yong-qiang, Chen Cai-hong
{"title":"Research on new reliability indices of wind farms","authors":"Xu Yu, Zhu Yong-qiang, Chen Cai-hong","doi":"10.1109/CRIS.2010.5617491","DOIUrl":"https://doi.org/10.1109/CRIS.2010.5617491","url":null,"abstract":"With the capacity increasing of single wind turbine and the size of wind farm, the generation reliability issues of wind farms become increasingly prominent. Compared with conventional power supply, wind power has strong stochastic volatility. Then the reliability evaluation indices for conventional supply are not suit for wind power. So it is more and more important to research and development the evaluation indices for the reliability of wind power. On the basis of the analysis to factors affecting the wind reliability, four indices are defined, which are wind farm capacity validity coefficient (CVC), wind farm generation intensity coefficient (GIC), wind farm operation security coefficient (OSC), wind farm relative benefit coefficient (RBC). They evaluate the reliability of wind power generation from point of abundance, continuity, security and economic. Addition, this paper proposes defined formula for each index. More importantly, the paper gives operator example which indicates the four indicators as an evaluation system is feasible. The results are qualitative evidence, which demonstrates that compared with conventional power, wind power reliability is low as a power supply. They can be quantitative characterization of difference between wind farm and wind farm, as well as the operation status of a single wind farm. All these indices can be used to indicate the economy and substantial value of wind power, and are helpful for the planning and operation of gird-connected wind farm.","PeriodicalId":206094,"journal":{"name":"2010 5th International Conference on Critical Infrastructure (CRIS)","volume":"2012 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129783862","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
Dynamic emergency control in digital distribution substation with MW PV power 兆瓦级光伏数字化变电站的动态应急控制
2010 5th International Conference on Critical Infrastructure (CRIS) Pub Date : 2010-11-01 DOI: 10.1109/CRIS.2010.5617561
Bin Wang, Tianxiao Huang, Xinzhou Dong, Bo Jiang, Z. Bo
{"title":"Dynamic emergency control in digital distribution substation with MW PV power","authors":"Bin Wang, Tianxiao Huang, Xinzhou Dong, Bo Jiang, Z. Bo","doi":"10.1109/CRIS.2010.5617561","DOIUrl":"https://doi.org/10.1109/CRIS.2010.5617561","url":null,"abstract":"MW level photovoltaic generation has enough power to support the partial loads in the island operations. But the challenge is how to balance the power supply and load while the power grid is blackout, and the power supply changes to PV power. In response to this question, the anti-islanding strategy is replaced by balancing the PV output and the load shedding in paper to achieve the available maximum power balance in distribution substation. It is achieved by collecting all feeders currents (power supply and feeder outputs), which is realized in the digital substation based on IEC61850. The system scheme and the dynamic emergency control strategy to inverters in PV controller are introduced in paper. The work of the paper is valued to the research on the novel dynamic control scheme in distribution system with DGs.","PeriodicalId":206094,"journal":{"name":"2010 5th International Conference on Critical Infrastructure (CRIS)","volume":"100 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117254237","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
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