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A Novel Cost-Effective AC-DC Power Supply for Indoor LED Lighting Applications 一种新型的高性价比的室内LED照明交流-直流电源
2019 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC) Pub Date : 2019-12-01 DOI: 10.1109/APPEEC45492.2019.8994734
Chun‐An Cheng, Yi-Ling Chen, Ya-Jing Chen, Su-Wun Lai
{"title":"A Novel Cost-Effective AC-DC Power Supply for Indoor LED Lighting Applications","authors":"Chun‐An Cheng, Yi-Ling Chen, Ya-Jing Chen, Su-Wun Lai","doi":"10.1109/APPEEC45492.2019.8994734","DOIUrl":"https://doi.org/10.1109/APPEEC45492.2019.8994734","url":null,"abstract":"This paper proposes a novel AC-DC power supply with features of power-factor correction (PFC) and cost-effectiveness for indoor LED lighting applications. The proposed AC-DC power supply combines an inverse buck-boost converter with a lossless snubber, and also includes input-current shaping. An 1SW(60V/0.3A)-rated prototype power supply has been successfully developed and implemented for operating with an input utility-line voltage of 110 V. Satisfactory results have demonstrated the functionality of the presented AC-DC power supply and its suitability for indoor LED lighting applications.","PeriodicalId":241317,"journal":{"name":"2019 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)","volume":"94 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125677917","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 Novel Built in Metal Foil Sensor for PD Detection of HV Cables 一种用于高压电缆局部放电检测的新型内置金属箔传感器
2019 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC) Pub Date : 2019-12-01 DOI: 10.1109/APPEEC45492.2019.8994384
Hongdong Lin, Yijiang Wu, Ganjun Wang, Wenze Li, Xiaosheng Peng, Jinshu Li, A. A. Bhatti
{"title":"A Novel Built in Metal Foil Sensor for PD Detection of HV Cables","authors":"Hongdong Lin, Yijiang Wu, Ganjun Wang, Wenze Li, Xiaosheng Peng, Jinshu Li, A. A. Bhatti","doi":"10.1109/APPEEC45492.2019.8994384","DOIUrl":"https://doi.org/10.1109/APPEEC45492.2019.8994384","url":null,"abstract":"Partial Discharge (PD) signal is an important parameter reflecting the insulation condition of High Voltage(HV) cables. Meanwhile, PD detection and monitoring is an effective way to ensure the safe and stable operation of the HV cables. Due to the limited bandwidth and the poor anti-interference ability of the current PD sensors, there are a lot of interference signals in the detected PD signals. To overcome the challenge, a novel built-in metal foil sensor for PD detection of HV cables is presented in the paper. The influencing factors of the PD detecting sensitivity, which are the single electrode and the two electrodes, the size of the electrodes, the shape of the single electrode and the distance between the two electrodes, are evaluated. The experimental data is accumulated to determine the parameters of the metal foil sensor. Experimental results show that the built-in metal foil sensor has excellent efficiency in PD signal reception in both laboratory and experimental base, which is applicable for on-line PD detecting of HV cables.","PeriodicalId":241317,"journal":{"name":"2019 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131956525","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
Virtual Synchronous Generator Control of Power System Including LargeWind Farm by using HVDC Interconnection Line 基于高压直流互联线路的大型风电场电力系统虚拟同步发电机控制
2019 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC) Pub Date : 2019-12-01 DOI: 10.1109/APPEEC45492.2019.8994484
Sho Niino, A. Umemura, R. Takahashi, J. Tamura, Y. Matsumura, Fumihito Tosaka, R. Nakamoto
{"title":"Virtual Synchronous Generator Control of Power System Including LargeWind Farm by using HVDC Interconnection Line","authors":"Sho Niino, A. Umemura, R. Takahashi, J. Tamura, Y. Matsumura, Fumihito Tosaka, R. Nakamoto","doi":"10.1109/APPEEC45492.2019.8994484","DOIUrl":"https://doi.org/10.1109/APPEEC45492.2019.8994484","url":null,"abstract":"This paper presents a new control method to enhance the transient stability of power system with a large Wind Farm (WF) connected to another power system via a High Voltage Direct Current (HVDC) transmission line. The stabilizing control is performed by the power flow control of HVDC transmission line, in which a PID fuzzy logic controller is adopted to achieve superior control performances and designed based on the Virtual Synchronous Generator (VSG) control method. In the proposed VSG control method, effects of the damping, synchronization, and inertia of the power system are simulated respectively by using proportional, integral and derivative control of the system frequency. Effectiveness of the presented VSG control system has been analyzed through simulation analysis by using PSCAD /EMTDC software. Results of the simulation show that the presented new VSG control method is very effective for enhancing the transient stability of the power system.","PeriodicalId":241317,"journal":{"name":"2019 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126209041","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
A Quantitative Estimation of Power Quality Health Index for Power Substation 变电站电能质量健康指标的定量估计
2019 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC) Pub Date : 2019-12-01 DOI: 10.1109/APPEEC45492.2019.8994620
T. Buranarattanavijit, E. Phaisangittisagul
{"title":"A Quantitative Estimation of Power Quality Health Index for Power Substation","authors":"T. Buranarattanavijit, E. Phaisangittisagul","doi":"10.1109/APPEEC45492.2019.8994620","DOIUrl":"https://doi.org/10.1109/APPEEC45492.2019.8994620","url":null,"abstract":"In order to quantify the operating performance in terms of power quality of the electrical networks, Health Index (HI) plays an essential role to provide overall health of the assets for monitoring the condition of the assets, providing technical justification for investment need, and managing for maintenance and replacement plans. This paper presents a method to estimate Power Quality Health Index for comparison among electric utility substations in a consistent manner. In this study, the integration between Power Quality Index (PQI) and Event Index (EI) is developed to not only estimate Power Quality Health Index for electrical substation but also to report the overall power quality performance for benchmarking purposes. The Power Quality information used in the research is from Provincial Electricity Authority of Thailand (PEA) substation at 22 kV System.","PeriodicalId":241317,"journal":{"name":"2019 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122252198","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
Compensation Strategy for Multiple Series Centralized Voltage Sag in Medium Voltage Distribution Network 中压配电网多串联集中电压跌落的补偿策略
2019 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC) Pub Date : 2019-12-01 DOI: 10.1109/APPEEC45492.2019.8994395
L. Luo, Wang Chen, Ye Tian, Zhen Tan, Yuhang Hu
{"title":"Compensation Strategy for Multiple Series Centralized Voltage Sag in Medium Voltage Distribution Network","authors":"L. Luo, Wang Chen, Ye Tian, Zhen Tan, Yuhang Hu","doi":"10.1109/APPEEC45492.2019.8994395","DOIUrl":"https://doi.org/10.1109/APPEEC45492.2019.8994395","url":null,"abstract":"In order to solve the major production accidents caused by voltage sag in power supply park, such as equipment shutdown and production line shutdown, this paper proposes a new DVR topology to compensate voltage sag. In this strategy, the storage battery is centralized for energy management, and the stored energy is output through the combination of multiple converters and multi-winding transformers. Based on this topological mathematical model, this paper presents a hybrid control method of grid voltage feedforward and load voltage feedback, which can compensate the large capacity, long, deep and asymmetric voltage sags in the medium voltage distribution network. In addition, in order to solve the problem of DC bias caused by the circulating current between multiple windings on the secondary side of transformer, a circulating current suppression algorithm is proposed. The effectiveness of the proposed strategy is verified by matlab/simulink simulation analysis and experiments.","PeriodicalId":241317,"journal":{"name":"2019 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126807899","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
Application of Soft Open Point for Flexible Interconnection of Urban Distribution Network 软开放点在城市配电网柔性互联中的应用
2019 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC) Pub Date : 2019-12-01 DOI: 10.1109/APPEEC45492.2019.8994697
Qiling Hou, Jian Zheng, N. Dai
{"title":"Application of Soft Open Point for Flexible Interconnection of Urban Distribution Network","authors":"Qiling Hou, Jian Zheng, N. Dai","doi":"10.1109/APPEEC45492.2019.8994697","DOIUrl":"https://doi.org/10.1109/APPEEC45492.2019.8994697","url":null,"abstract":"Normally open points (NOPs) in distribution network are used for balancing loads between feeders, reducing network losses, etc. However, circulating current is generated when NOP is closed during feeder interconnection, which may cause protection device maloperation. In this paper, relationship between circulating current and voltage difference at two neighboring substations is first studied. Soft open point (SOP) is then applied at NOP in a distribution network. SOP is able to control active power flowing through the open point. It also provides ancillary service such as reactive power regulation. A SOP based on three-level back-to-back converter is implemented by using RTDS /RSCAD. It is applied to the selected case study. Simulation verifications are provided to show the validity of SOP and its control.","PeriodicalId":241317,"journal":{"name":"2019 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116232302","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
EPON Communication Network Topology Optimization Based on Electrical Nodes’ Importance in Active Distribution Networks 基于有源配电网电节点重要性的EPON通信网络拓扑优化
2019 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC) Pub Date : 2019-12-01 DOI: 10.1109/APPEEC45492.2019.8994496
Yingqiao He, Li Ma, Lingfeng Wang, Junjie Tang, R. Rao
{"title":"EPON Communication Network Topology Optimization Based on Electrical Nodes’ Importance in Active Distribution Networks","authors":"Yingqiao He, Li Ma, Lingfeng Wang, Junjie Tang, R. Rao","doi":"10.1109/APPEEC45492.2019.8994496","DOIUrl":"https://doi.org/10.1109/APPEEC45492.2019.8994496","url":null,"abstract":"A large amount of DGs’ (distributed generations) accessing to the distribution network is a characteristic of the present and future power distribution systems. According to the actual operation state of power system, distribution network actively manages the massive distributed generations and adaptively adjusts the network to satisfy the requirements of economical and safe power supply both in the physical network and cyber network. This paper aims to propose a feasible planning optimization model for the communication network based on the evaluation of all electrical nodes’ importance in the physical distribution network. This solution not only meets the current technical requirements, but also considers the possible expansion of communication network in the future. Based on the existing single-link network scheme for all the communication nodes, a certain portion of the important nodes in the distribution network is chosen to be upgraded to dual-link connection. The optimization result can provide a more economical solution for distribution network operators to build the corresponding communication network.","PeriodicalId":241317,"journal":{"name":"2019 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)","volume":"49 6","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114041937","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 Implementation Method of Intelligent Substation Sequence Control 智能变电站顺序控制的一种实现方法
2019 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC) Pub Date : 2019-12-01 DOI: 10.1109/APPEEC45492.2019.8994471
Li Hengxuan, Zhang Kanjun, Li Peng, Wen Bo, Wang Yang, E. Shiping
{"title":"An Implementation Method of Intelligent Substation Sequence Control","authors":"Li Hengxuan, Zhang Kanjun, Li Peng, Wen Bo, Wang Yang, E. Shiping","doi":"10.1109/APPEEC45492.2019.8994471","DOIUrl":"https://doi.org/10.1109/APPEEC45492.2019.8994471","url":null,"abstract":"This paper presents the application status and main problems of sequence control function in intelligent substations. By summarizing and analyzing the implementation of sequence control function, a safe and efficient one-click sequence control solution is proposed. A reasonably operation process is also formulated in this paper. And a reliable second criterion for positioning of isolation switch is put forward.","PeriodicalId":241317,"journal":{"name":"2019 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122798014","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
Assessment of Requirements for Application of Generator Circuit-Breakers in Synchronous Compensator Plants 发电机断路器在同步补偿装置中的应用要求评估
2019 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC) Pub Date : 2019-12-01 DOI: 10.1109/APPEEC45492.2019.8994753
Priyanka Gugale, M. Palazzo
{"title":"Assessment of Requirements for Application of Generator Circuit-Breakers in Synchronous Compensator Plants","authors":"Priyanka Gugale, M. Palazzo","doi":"10.1109/APPEEC45492.2019.8994753","DOIUrl":"https://doi.org/10.1109/APPEEC45492.2019.8994753","url":null,"abstract":"The purpose this paper is to assess the requirements of application of generator circuit-breaker (GCB) in synchronous compensator plants. Currently, there is increasing demand of synchronous compensators to provide system stability in a grid with high share of converter-based renewable generation. To define the requirements of GCB to be installed between the synchronous compensator and the step-up transformer, it is utmost important to understand the characteristics of the current fed by a synchronous compensator after a three-phase short-circuit at its terminals. The main difference between synchronous generator and synchronous compensator, in this respect, is the loading conditions. This paper compares the effect of pre-fault loading of synchronous generator and synchronous compensator on the short-circuit current characteristics over their complete operating range and emphasizes the importance of zero power factor loading at overexcited and underexcited operating point in defining the requirements of GCB. Furthermore, analytical equations are described for the calculation of short-circuit current fed by synchronous compensator under pre-fault loading conditions. A case study is presented to demonstrate the capability of the GCB to interrupt fault currents which show delayed current zeros (DCZ) taking into account SF6 and vacuum extinguishing technologies.","PeriodicalId":241317,"journal":{"name":"2019 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)","volume":"81 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122890591","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
Feasibility Evaluation for a Multi-Energy Microgrid Case Study in China 中国多能微电网案例可行性评价
2019 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC) Pub Date : 2019-12-01 DOI: 10.1109/APPEEC45492.2019.8994575
Baohua Bai, Kang Wang, Lingxi Bu, Shuran Liu, Meng Cheng, Chengyan Yue
{"title":"Feasibility Evaluation for a Multi-Energy Microgrid Case Study in China","authors":"Baohua Bai, Kang Wang, Lingxi Bu, Shuran Liu, Meng Cheng, Chengyan Yue","doi":"10.1109/APPEEC45492.2019.8994575","DOIUrl":"https://doi.org/10.1109/APPEEC45492.2019.8994575","url":null,"abstract":"A microgrid integrates multi-energy distributed generation, cooling-heating-power demand and energy storage to provide an effective solution for power supplies to remote and islanded areas. The microgrid planning should consider both technical and economic aspects based on local demand and resources condition, as well as the network structure and operating strategy of the microgrid. This paper introduces an industrial solution on integrated resource planning for microgrids, which applies the software ‘Capacity Expansion’ and ‘Portfolio Optimization’ to optimize the composition and capacity of renewable generations and battery storage, as well as to produce the operational and economic results in a long-term horizon. A case study is performed using the proposed solution based on an actual microgrid project in China. The results provide recommendations on microgrid’s generation capacity expansion, optimal sizing for battery storage, operating constraints on energy exchange with upper main grid, and electricity bill contract design.","PeriodicalId":241317,"journal":{"name":"2019 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131174292","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
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