Wenjie Wang, L. Hang, Jian Qiu, Hao Lu, Pingliang Zeng
{"title":"Application of MMC Based on State Observer in DC Integration of Renewable Energy","authors":"Wenjie Wang, L. Hang, Jian Qiu, Hao Lu, Pingliang Zeng","doi":"10.1049/cp.2019.0622","DOIUrl":"https://doi.org/10.1049/cp.2019.0622","url":null,"abstract":"","PeriodicalId":319387,"journal":{"name":"8th Renewable Power Generation Conference (RPG 2019)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124932311","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}
Charging demands of electric vehicles (EVs) are sharply increasing due to the rapid development of EVs. Hence, reliable and convenient quick charge stations are required to respond to the needs of EV drivers. Due to the uncertainty of EV charging loads, load forecasting becomes vital for the operation of quick charge stations to formulate the day-ahead plan. In this paper, based on trip chain theory and EV user behaviour, an EV charging load forecasting model is established for quick charge station operators. This model is capable of forecasting the charging demand of a city-located quick charge station during the next day, where the Monte-Carlo simulation method is applied. Furthermore, based on the forecasting model, a day-ahead profit-oriented operation strategy for such stations is derived. The simulation results support the effectiveness of this forecasting model and the operation strategy. The conclusions of this paper are as follows: 1) The charging load forecasting model ensures operators to grasp the feature of the charging load of the next day. 2) The revenue of the quick charge station can be dramatically increased by applying the proposed day-head operation strategy.
{"title":"Load forecasting model and day-ahead operation strategy for city-located EV quick charge stations","authors":"Zeyu Liu, Yaxin Xie, Donghan Feng, Yun Zhou, Shanshan Shi, Chen Fang","doi":"10.1049/cp.2019.0492","DOIUrl":"https://doi.org/10.1049/cp.2019.0492","url":null,"abstract":"Charging demands of electric vehicles (EVs) are sharply increasing due to the rapid development of EVs. Hence, reliable and convenient quick charge stations are required to respond to the needs of EV drivers. Due to the uncertainty of EV charging loads, load forecasting becomes vital for the operation of quick charge stations to formulate the day-ahead plan. In this paper, based on trip chain theory and EV user behaviour, an EV charging load forecasting model is established for quick charge station operators. This model is capable of forecasting the charging demand of a city-located quick charge station during the next day, where the Monte-Carlo simulation method is applied. Furthermore, based on the forecasting model, a day-ahead profit-oriented operation strategy for such stations is derived. The simulation results support the effectiveness of this forecasting model and the operation strategy. The conclusions of this paper are as follows: 1) The charging load forecasting model ensures operators to grasp the feature of the charging load of the next day. 2) The revenue of the quick charge station can be dramatically increased by applying the proposed day-head operation strategy.","PeriodicalId":319387,"journal":{"name":"8th Renewable Power Generation Conference (RPG 2019)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125997963","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}
D. Karki, Jiani Zeng, Xiaofan Lin, Chang Liu, D. Feng
{"title":"Forced clearing and its pricing in renewable energy markets","authors":"D. Karki, Jiani Zeng, Xiaofan Lin, Chang Liu, D. Feng","doi":"10.1049/cp.2019.0653","DOIUrl":"https://doi.org/10.1049/cp.2019.0653","url":null,"abstract":"","PeriodicalId":319387,"journal":{"name":"8th Renewable Power Generation Conference (RPG 2019)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127641400","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}
Yuhan Zhang, Guiping Du, Yanxiong Lei, Tiansheng Zhu
{"title":"A frequency division control for hybrid energy storage system considering the unbalanced current rate of change in dc micro-grid","authors":"Yuhan Zhang, Guiping Du, Yanxiong Lei, Tiansheng Zhu","doi":"10.1049/cp.2019.0358","DOIUrl":"https://doi.org/10.1049/cp.2019.0358","url":null,"abstract":"","PeriodicalId":319387,"journal":{"name":"8th Renewable Power Generation Conference (RPG 2019)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129297007","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}
{"title":"Whole Stability Margin of Phase Lead Filter Design in Repetitive Control for Voltage Harmonic Mitigation of Current Source Inverter","authors":"Tong Liu, Alian Chen, Xi Liu","doi":"10.1049/cp.2019.0603","DOIUrl":"https://doi.org/10.1049/cp.2019.0603","url":null,"abstract":"","PeriodicalId":319387,"journal":{"name":"8th Renewable Power Generation Conference (RPG 2019)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121345081","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}
{"title":"Arc Fault Detection and Localization in Photovoltaic Systems Based on Arc Signatures in Low Impedance Paths and Its Path Topology","authors":"Xianming Jiang, Jianyu Li, Yusu Li, Yong Li, Rongbang An, Ying-Jie Hao","doi":"10.1049/cp.2019.0534","DOIUrl":"https://doi.org/10.1049/cp.2019.0534","url":null,"abstract":"","PeriodicalId":319387,"journal":{"name":"8th Renewable Power Generation Conference (RPG 2019)","volume":"387 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122479126","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}
{"title":"Design of an energy management scheme for residential demand response in a microgrid system","authors":"T. Adefarati, R. Bansal, R. Naidoo","doi":"10.1049/cp.2019.0472","DOIUrl":"https://doi.org/10.1049/cp.2019.0472","url":null,"abstract":"","PeriodicalId":319387,"journal":{"name":"8th Renewable Power Generation Conference (RPG 2019)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131449237","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}
{"title":"The Operating Environment Substitution-based Field Test Technology of UHVDC Protection System: Part 1 Test Scheme and Hardware Environment Substitution","authors":"Xiangping Kong, Juan Li, Wenzhe Mei, Chi Zhang","doi":"10.1049/cp.2019.0304","DOIUrl":"https://doi.org/10.1049/cp.2019.0304","url":null,"abstract":"","PeriodicalId":319387,"journal":{"name":"8th Renewable Power Generation Conference (RPG 2019)","volume":"117 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125384712","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}
In the last decade, a number of academic and industry studies have identified diode rectifier unit (DRU) as a potential replacement for offshore modular multilevel converter (MMC) of DC connected offshore windfarms. However, side-by-side operation of DRU and MMC connected windfarms in multiterminal DC grid will present new operational challenges. Therefore, this paper will study the interoperability of a minimum meshed DC grid, which includes MMC and DRU connected offshore windfarms. To identify any potential issues that may arise from introduction of DRU, the system performance during onshore AC faults are simulated using PSCAD models. Simulation results show that the DRU connected windfarm exhibits different behaviours with the MMC based equivalent, but does not adversely impact the DC grid performance. Instead, the use of DRU improves DC grid performance with its inherent sensitivity of active power transmission to DC voltage variation.
{"title":"Interoperability assessment of MMC and DRU connected offshore windfarms in meshed multi-terminal dc grids","authors":"Lei Shi, P. Adam, Rui Li, Lie Xu","doi":"10.1049/cp.2019.0341","DOIUrl":"https://doi.org/10.1049/cp.2019.0341","url":null,"abstract":"In the last decade, a number of academic and industry studies have identified diode rectifier unit (DRU) as a potential replacement for offshore modular multilevel converter (MMC) of DC connected offshore windfarms. However, side-by-side operation of DRU and MMC connected windfarms in multiterminal DC grid will present new operational challenges. Therefore, this paper will study the interoperability of a minimum meshed DC grid, which includes MMC and DRU connected offshore windfarms. To identify any potential issues that may arise from introduction of DRU, the system performance during onshore AC faults are simulated using PSCAD models. Simulation results show that the DRU connected windfarm exhibits different behaviours with the MMC based equivalent, but does not adversely impact the DC grid performance. Instead, the use of DRU improves DC grid performance with its inherent sensitivity of active power transmission to DC voltage variation.","PeriodicalId":319387,"journal":{"name":"8th Renewable Power Generation Conference (RPG 2019)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128154762","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}
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