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Load Cluster Management Considering Response Uncertainty 考虑响应不确定性的负载集群管理
2018 China International Conference on Electricity Distribution (CICED) Pub Date : 2018-09-01 DOI: 10.1109/CICED.2018.8592587
Wei Zeng, Minjie Sun, Bo Chen, Wei He, Yangqi Huang, Kansheng Yu
{"title":"Load Cluster Management Considering Response Uncertainty","authors":"Wei Zeng, Minjie Sun, Bo Chen, Wei He, Yangqi Huang, Kansheng Yu","doi":"10.1109/CICED.2018.8592587","DOIUrl":"https://doi.org/10.1109/CICED.2018.8592587","url":null,"abstract":"The elastic load on demand side can change with the fluctuation electricity price, so it could be modeled as the adjustable load cluster and involved into power dispatching with traditional generation unit, which can improve the flexibility of the power system. Due to the influence of various factors, such as the response to electricity price is not timely, signal transmission delay, the user's habits is difficult to be changed, and the response amount and expected value always exist in a certain range of deviation. In this paper, the value at risk (VaR) is used to measure the risk loss caused by the uncertainty of the load cluster response, then VaR is introduced as a loss measure to participate in the optimization of the power dispatching model and establish a joint scheduling model. Through the actual example analysis, the results show that, due to the risk loss of the adjustable load cluster is considered, the risk loss caused by uncertainty response is reduced. The research has practical application prospect to the implementation of DSM projects.","PeriodicalId":142885,"journal":{"name":"2018 China International Conference on Electricity Distribution (CICED)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121675286","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
Study on Rise of Transient Ground Potential Caused by Switching and Closing Operation in 330kV GIS Substation 330kV GIS变电站开关合闸引起暂态地电位上升的研究
2018 China International Conference on Electricity Distribution (CICED) Pub Date : 2018-09-01 DOI: 10.1109/CICED.2018.8592047
Lin Cheng, Yong Zhu, Chuanshen Wang, Wenbo Han, Cheng Zhang, Yingying Wang, Ting Ren, Xiang Liu, Dongxin Hao, Yue Tong, Yang Shen, Yifeng Liang
{"title":"Study on Rise of Transient Ground Potential Caused by Switching and Closing Operation in 330kV GIS Substation","authors":"Lin Cheng, Yong Zhu, Chuanshen Wang, Wenbo Han, Cheng Zhang, Yingying Wang, Ting Ren, Xiang Liu, Dongxin Hao, Yue Tong, Yang Shen, Yifeng Liang","doi":"10.1109/CICED.2018.8592047","DOIUrl":"https://doi.org/10.1109/CICED.2018.8592047","url":null,"abstract":"In this paper, a model of the 330kV GIS substation shell in transient state is established, a simulation calculation about transient enclosure voltage (TEV) generated during switching of disconnector is carried out, and the TEV waveforms and spectral distributions were obtained throughout the shell. The simulation results are compared with the actual experimental data of the substation, and on the basis of verifying the correctness of the simulation calculation, the possible hazards caused by transient elevation of potential to ground are analyzed. The study shows that the maximum value of TEV always appears on the shell of the bushing, which can reach tens kV voltage level and contain complex frequency. At the same time, the transient potential difference between the grounding wire and the grounding terminal of the control room is up to 1000V.","PeriodicalId":142885,"journal":{"name":"2018 China International Conference on Electricity Distribution (CICED)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123879565","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
Reliability Evaluation of Distribution System Considering Temporal Fluctuation Characteristics of Distributed Energy Sources 考虑分布式能源时间波动特性的配电系统可靠性评估
2018 China International Conference on Electricity Distribution (CICED) Pub Date : 2018-09-01 DOI: 10.1109/CICED.2018.8592430
Bo Wang, Wei Guo, Liwei Qiao, Ziqing Zou, Dechun Zang, Yiqing Zhang
{"title":"Reliability Evaluation of Distribution System Considering Temporal Fluctuation Characteristics of Distributed Energy Sources","authors":"Bo Wang, Wei Guo, Liwei Qiao, Ziqing Zou, Dechun Zang, Yiqing Zhang","doi":"10.1109/CICED.2018.8592430","DOIUrl":"https://doi.org/10.1109/CICED.2018.8592430","url":null,"abstract":"With the continuous development of the active distribution network, a large number of distributed energy access brings new challenges to the distribution network power supply reliability. It is particularly important to evaluate the distribution network power supply reliability after the distributed energy access. In this paper, a pseudo-sequential Monte Carlo simulation method is proposed to evaluate the reliability index of distribution network with fans, photovoltaic cells and batteries. The system state is sampled by non-sequential Monte Carlo method. Only the sequential Monte Carlo simulation of the fault process can quickly and accurately obtain the reliability index of the distribution network, which is suitable for large-scale networks after a large number of distributed energy access in the future. In the process of sequential simulation, micro-grid operation, distributed energy use strategy and optimal load shedding strategy are considered simultaneously. IEEE RBTS-BUS6 feeder 4 system simulation verifies the availability of the method and analyzes the impact of distributed energy access on the reliability index of distribution network.","PeriodicalId":142885,"journal":{"name":"2018 China International Conference on Electricity Distribution (CICED)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125168904","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
Design of Power Supply State Monitoring System for Active Electronic Current Transformer 有源电子电流互感器供电状态监测系统设计
2018 China International Conference on Electricity Distribution (CICED) Pub Date : 2018-09-01 DOI: 10.1109/CICED.2018.8592020
Xiong Jun-jun, H. Hua, Deng Xiao-pin, Hubei.
{"title":"Design of Power Supply State Monitoring System for Active Electronic Current Transformer","authors":"Xiong Jun-jun, H. Hua, Deng Xiao-pin, Hubei.","doi":"10.1109/CICED.2018.8592020","DOIUrl":"https://doi.org/10.1109/CICED.2018.8592020","url":null,"abstract":"This article designs a power supply status monitoring system in order to verify the reliability of the active electronic current transformer's power supply switching and monitor its power supply status. It is proposed that analyzing the merged unit IEC61850-9-2LE message to obtain primary current and analyzing the merger unit TCP/IP protocol to get the laser power and photo-voltaic cell output voltage. While using a high-power optical splitter to monitor the laser power output directly, thus enabling the active electronic current transformer power supply status monitoring according to its working principle. Through this monitoring system, a certain type of active electronic current transformer is energized state monitoring test verification; the monitoring data can display the current energy status in real time, and gives several common power supply failure alarms. Experiments show that the monitoring system can verify the reliability of power supply switching and realize the alarm of power supply status so as to improve the quality testing capability of active electronic current transformer.","PeriodicalId":142885,"journal":{"name":"2018 China International Conference on Electricity Distribution (CICED)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125299786","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 a Dynamic Load Power Sharing Method for Distributed Energy Storage System Based on Consensus Algorithm 基于共识算法的分布式储能系统动态负荷功率共享方法研究
2018 China International Conference on Electricity Distribution (CICED) Pub Date : 2018-09-01 DOI: 10.1109/CICED.2018.8592504
Zhang Li-zong, Yang Chen, Shen Xiang, Yu Jie, Jin Xueqi
{"title":"Research on a Dynamic Load Power Sharing Method for Distributed Energy Storage System Based on Consensus Algorithm","authors":"Zhang Li-zong, Yang Chen, Shen Xiang, Yu Jie, Jin Xueqi","doi":"10.1109/CICED.2018.8592504","DOIUrl":"https://doi.org/10.1109/CICED.2018.8592504","url":null,"abstract":"In this paper, a distributed energy storage system in DC micro-grid is investigated and a hierarchical power sharing control strategy based on discrete consensus algorithm is proposed. First, the power output capacity and equivalent SOC evaluation criteria of the asymmetric energy storage units are given. Based on these criteria, dynamic droop control is proposed to allocate the output power of each energy storage unit at the bottom layer. At the same time, considering the weak communication in distributed energy storage system, discrete consensus algorithm is used in the upper layer to dynamically adjust output power of energy storage units in order to reduce the SOC difference between ESUs. Finally, a simulation model is built in Matlab/Simulink to verify the theoretical analysis. It is proved that the proposed method can achieve the optimal distribution of power in distributed energy storage system.","PeriodicalId":142885,"journal":{"name":"2018 China International Conference on Electricity Distribution (CICED)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125328153","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 Centralized Frequency Regulation Strategy of PV Power Plant Based Equal Adjustable Capacity Proportion Mode 基于等可调容量比例模式的光伏电站集中调频策略
2018 China International Conference on Electricity Distribution (CICED) Pub Date : 2018-09-01 DOI: 10.1109/CICED.2018.8592563
Minhui Qian, Da-wei Zhao, Jin Ma, D. Jiang, Maosheng Ding, L. Xiang
{"title":"A Centralized Frequency Regulation Strategy of PV Power Plant Based Equal Adjustable Capacity Proportion Mode","authors":"Minhui Qian, Da-wei Zhao, Jin Ma, D. Jiang, Maosheng Ding, L. Xiang","doi":"10.1109/CICED.2018.8592563","DOIUrl":"https://doi.org/10.1109/CICED.2018.8592563","url":null,"abstract":"A centralized frequency regulation strategy of PV plant based on equal adjustable capacity proportion mode is proposed in this paper. When the system frequency changes due to some disturbances, the requirement of adjust active power value is calculated according to the frequency changing, then original active power reference is added with this adjust value to obtain the final active power reference as to change the active power output of PV units to participate in system primary frequency regulation. On this basis, in order to allow all PV units in same PV plant to coordinate with each other, also to prevent some PV units from excessive regulation, a proportional regulation of power method (PROP) is implemented to allocate active power reference to each PV unit more reasonable, namely, each PV unit's output is according to equal adjustable capacity proportion. Finally, an actual PV plant model is established on DIgSILENT PowerFactory platform to verify the effectiveness of the proposed control strategy.","PeriodicalId":142885,"journal":{"name":"2018 China International Conference on Electricity Distribution (CICED)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125328272","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: 6
Research on Apache Spark Based Transformer Areas Load Forecasting 基于Apache Spark的变压器区域负荷预测研究
2018 China International Conference on Electricity Distribution (CICED) Pub Date : 2018-09-01 DOI: 10.1109/CICED.2018.8592094
Qi Hui, Tang Haibo, Feng Wei, Wen Beibei, Wu Qian
{"title":"Research on Apache Spark Based Transformer Areas Load Forecasting","authors":"Qi Hui, Tang Haibo, Feng Wei, Wen Beibei, Wu Qian","doi":"10.1109/CICED.2018.8592094","DOIUrl":"https://doi.org/10.1109/CICED.2018.8592094","url":null,"abstract":"The massive data accumulated by the power company provides the basic data profile for load forecasting. In this paper, a dynamic Bayesian network is built as a load forecasting model of transformer areas. The parallel computing platform Apache Spark is used to calculate the parameters of the model based on large volume of transformers' historical data in parallel. Meanwhile, the Pregel computing model is used to parallelize the forward backward algorithm to realize the forecasting tasks. The experimental results show that the proposed transformer areas load forecasting technology based on distributed graph computing has high prediction accuracy and fast calculation speed.","PeriodicalId":142885,"journal":{"name":"2018 China International Conference on Electricity Distribution (CICED)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131201070","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
Research on Accelerated Address Search Method for Intelligent Distribution Network Equipment Identification and Lookup 智能配电网设备识别与查找的加速地址搜索方法研究
2018 China International Conference on Electricity Distribution (CICED) Pub Date : 2018-09-01 DOI: 10.1109/CICED.2018.8592045
Xin Miao
{"title":"Research on Accelerated Address Search Method for Intelligent Distribution Network Equipment Identification and Lookup","authors":"Xin Miao","doi":"10.1109/CICED.2018.8592045","DOIUrl":"https://doi.org/10.1109/CICED.2018.8592045","url":null,"abstract":"In order to improve the real-time performance of smart distribution network equipment address recognition search, solve the fast address search problem of distribution network intelligent equipment or device or unit, application Fibonacci method for two segments division of the address segment, this paper proposes a quick address search method for identification and lookup of the distribution network equipment. Aiming at the problem of search and query in the MAC (Media Access Control) address, IPv4 (Internet Protocol version 4) address or IPv6 (Internet Protocol version 6) address space of the equipment / device / unit in the distribution network, the computer simulation results show that compared with the midpoint method, the address lookup speed of the method is faster. It can improve the real-time performance of the intelligent perception of the distribution network and speed up the network management response speed of the equipment / device / unit failure in the distribution network. The operation and maintenance performance of the distribution network are improved, and the security and intelligence level of the distribution network system are promoted.","PeriodicalId":142885,"journal":{"name":"2018 China International Conference on Electricity Distribution (CICED)","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131368083","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
On Effect of Electrical Double Layer Capacitor Storage Devices on Power Quality in Power System with Electrified Railways 电气化铁路电力系统双层电容储能装置对电能质量的影响
2018 China International Conference on Electricity Distribution (CICED) Pub Date : 2018-09-01 DOI: 10.1109/CICED.2018.8592124
Yizheng Xu, Xujiang Chen, Fang Tian, Hongying Peng, Shuchang Yan
{"title":"On Effect of Electrical Double Layer Capacitor Storage Devices on Power Quality in Power System with Electrified Railways","authors":"Yizheng Xu, Xujiang Chen, Fang Tian, Hongying Peng, Shuchang Yan","doi":"10.1109/CICED.2018.8592124","DOIUrl":"https://doi.org/10.1109/CICED.2018.8592124","url":null,"abstract":"Energy storage devices for electrified railway have acquired significant attention from both academia and industry due to its capability of energy saving and conservation. Therefore, models of electrified railways with energy storage devices (ESD) need to be built for investigation on the effect of ESD on traction systems and power networks. This paper assesses the effect of the electrical double layer capacitor (EDLC), one prototype of ESD, on the power quality of the network after installation of EDLC. An integrated electromagnetic transient model composed of the traction substation, the transmission line, the locomotives with control systems, and the energy storage devices with control systems is built in ADPSS based on the topology of the real network and data sheets of the selected EDLC from the manufacturer. The overall power quality at the grid side is analyzed using analytical hierarchy process and compared with that before installation of EDLC to assess the effect of EDLC on power quality. The overall power quality performance can be improved after installation of EDLC.","PeriodicalId":142885,"journal":{"name":"2018 China International Conference on Electricity Distribution (CICED)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116532703","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
Research of New Method About the Test of Secondary System for Refurbishment and Extension of Smart Substation 智能变电站改扩建二次系统测试新方法研究
2018 China International Conference on Electricity Distribution (CICED) Pub Date : 2018-09-01 DOI: 10.1109/CICED.2018.8592589
Fan Chen, Nie Yi-min, Z. Guoqing, Yuan Hao, Dou Renhui
{"title":"Research of New Method About the Test of Secondary System for Refurbishment and Extension of Smart Substation","authors":"Fan Chen, Nie Yi-min, Z. Guoqing, Yuan Hao, Dou Renhui","doi":"10.1109/CICED.2018.8592589","DOIUrl":"https://doi.org/10.1109/CICED.2018.8592589","url":null,"abstract":"As the large-scale construction of smart substation, the refurbishment and extension of smart substations become more and more. The state-of-art about the test of the refurbishment and extension of secondary system in smart substation is introduced and the problems and new needs are described. The new test process combined pre-test and on-site test is presented, and the new method about the test is discussed in detail from four aspects which are the configuration and verification of SCD file, the construction of virtual simulation and test platform, the pre-test and the join-test on-site. The security measure for the on-site test is also provided. At last, take the extension of line as an example and make analysis; it will be helpful to the test refurbishment and extension of secondary system in smart substation.","PeriodicalId":142885,"journal":{"name":"2018 China International Conference on Electricity Distribution (CICED)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121274113","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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