Pub Date : 2021-07-18DOI: 10.1109/ICPSAsia52756.2021.9621600
Syed Adrees Ahmed, Qi Huang, Waqas Amin, M. Afzal, Fazal Hussain, Muhammad Husnain Haider
Peer-to-Peer (P2P) electricity market is a source of high pleasure in today’s era that achieves a higher level of satisfaction for the participants involved in the P2P electricity market. However, uncertainty and intermittency of renewable energy resources (RERs) may become the reason for dissatisfaction for some participants at some time slots of the day in terms of energy supply which is considered a challenging task to fulfill energy demand. Considering this, this study distinguishes the consumers into two types: based on their willingness and load elasticity and proposes a load-reallocation algorithm for consumers who are willing to shift their price elastic load. This method differentiates the consumers by assessing the consumers’ requirements and increasing their social welfare by reallocation policy. Simulation results show that the adopted approach reduces the consumer energy cost and addresses consumer preference by adding the willingness factor to shift and reallocate the load to another slot in the P2P electricity market.
{"title":"Load Elasticity-Based Reallocation of Energy in a Peer-to-Peer Electricity Market Considering Consumers’ Willingness","authors":"Syed Adrees Ahmed, Qi Huang, Waqas Amin, M. Afzal, Fazal Hussain, Muhammad Husnain Haider","doi":"10.1109/ICPSAsia52756.2021.9621600","DOIUrl":"https://doi.org/10.1109/ICPSAsia52756.2021.9621600","url":null,"abstract":"Peer-to-Peer (P2P) electricity market is a source of high pleasure in today’s era that achieves a higher level of satisfaction for the participants involved in the P2P electricity market. However, uncertainty and intermittency of renewable energy resources (RERs) may become the reason for dissatisfaction for some participants at some time slots of the day in terms of energy supply which is considered a challenging task to fulfill energy demand. Considering this, this study distinguishes the consumers into two types: based on their willingness and load elasticity and proposes a load-reallocation algorithm for consumers who are willing to shift their price elastic load. This method differentiates the consumers by assessing the consumers’ requirements and increasing their social welfare by reallocation policy. Simulation results show that the adopted approach reduces the consumer energy cost and addresses consumer preference by adding the willingness factor to shift and reallocate the load to another slot in the P2P electricity market.","PeriodicalId":296085,"journal":{"name":"2021 IEEE/IAS Industrial and Commercial Power System Asia (I&CPS Asia)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128299873","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}
Pub Date : 2021-07-18DOI: 10.1109/ICPSAsia52756.2021.9621642
Na Guo, N. Yin, Xuemei Yang, Shan He, Guanxi Wang, Yayong Mu, Xihao Liu, Mao Li, Zhen Yu, Lin Zhou
Due to the limited range of application and low efficiency of the existing professional measuring devices for energy efficiency of fan unit, a new-type device to measure the energy efficiency of fan unit has been developed with real-time wireless data transmission for every measurement point. It has a main control computer and three assistant microcomputers as control and processing cores. Data acquisition equipments are composed of electrical power quality analyzer, air pressure sensors, temperature and humidity sensors and atmospheric pressure sensor, and data transmission relies on 485 communication and Zigbee wireless modules to solve the inconvenience of wired data transmission caused by long distance between power distribution cabinet and fan unit. Moreover, working statuses of fan unit and motor are respectively shown on two operation interfaces of upper computer, achieving dual purpose. The practical application in industrial enterprise has demonstrated its accuracy, stability and reliability. In addition, it can improve the testing efficiency.
{"title":"A Measuring Device for Energy Efficiency of Fan Unit Based on Wireless Data Transmission in Real-Time","authors":"Na Guo, N. Yin, Xuemei Yang, Shan He, Guanxi Wang, Yayong Mu, Xihao Liu, Mao Li, Zhen Yu, Lin Zhou","doi":"10.1109/ICPSAsia52756.2021.9621642","DOIUrl":"https://doi.org/10.1109/ICPSAsia52756.2021.9621642","url":null,"abstract":"Due to the limited range of application and low efficiency of the existing professional measuring devices for energy efficiency of fan unit, a new-type device to measure the energy efficiency of fan unit has been developed with real-time wireless data transmission for every measurement point. It has a main control computer and three assistant microcomputers as control and processing cores. Data acquisition equipments are composed of electrical power quality analyzer, air pressure sensors, temperature and humidity sensors and atmospheric pressure sensor, and data transmission relies on 485 communication and Zigbee wireless modules to solve the inconvenience of wired data transmission caused by long distance between power distribution cabinet and fan unit. Moreover, working statuses of fan unit and motor are respectively shown on two operation interfaces of upper computer, achieving dual purpose. The practical application in industrial enterprise has demonstrated its accuracy, stability and reliability. In addition, it can improve the testing efficiency.","PeriodicalId":296085,"journal":{"name":"2021 IEEE/IAS Industrial and Commercial Power System Asia (I&CPS Asia)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128553873","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}
Pub Date : 2021-07-18DOI: 10.1109/ICPSAsia52756.2021.9621597
Wu Hai, Liu Kai, Zhou Cheng, Lu Yongcan
Under the background of “carbon peak and carbon neutral”, it is the general trend to promote the transformation of energy structure. The new energy power generation system represented by photovoltaic is developing rapidly. The mismatch between photovoltaic output and line load power will inevitably lead to the increase of line loss. The energy storage system that has both rapid power regulation and energy storage capacity is one of the effective means to improve the increase of line loss caused by photovoltaic access. Based on the in-depth analysis of the influence of photovoltaic system access on the line loss of the station area of distribution network, a modular photovoltaic energy storage system to improve the line loss of the station area in distribution network was constructed, and the research on the capacity configuration and coordinated control of the modular photovoltaic energy storage system was carried out in this paper. Finally, a typical line model of photovoltaic access station is constructed to verify the improvement effect of the modular photovoltaic energy storage system proposed in this paper on the line loss of station area in distribution network.
{"title":"Research on Line Loss Improvement of Station Area in Distribution Network by Modular Photovoltaic Energy Storage System","authors":"Wu Hai, Liu Kai, Zhou Cheng, Lu Yongcan","doi":"10.1109/ICPSAsia52756.2021.9621597","DOIUrl":"https://doi.org/10.1109/ICPSAsia52756.2021.9621597","url":null,"abstract":"Under the background of “carbon peak and carbon neutral”, it is the general trend to promote the transformation of energy structure. The new energy power generation system represented by photovoltaic is developing rapidly. The mismatch between photovoltaic output and line load power will inevitably lead to the increase of line loss. The energy storage system that has both rapid power regulation and energy storage capacity is one of the effective means to improve the increase of line loss caused by photovoltaic access. Based on the in-depth analysis of the influence of photovoltaic system access on the line loss of the station area of distribution network, a modular photovoltaic energy storage system to improve the line loss of the station area in distribution network was constructed, and the research on the capacity configuration and coordinated control of the modular photovoltaic energy storage system was carried out in this paper. Finally, a typical line model of photovoltaic access station is constructed to verify the improvement effect of the modular photovoltaic energy storage system proposed in this paper on the line loss of station area in distribution network.","PeriodicalId":296085,"journal":{"name":"2021 IEEE/IAS Industrial and Commercial Power System Asia (I&CPS Asia)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124671739","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}
Pub Date : 2021-07-18DOI: 10.1109/ICPSAsia52756.2021.9621435
Liu Jianxun, Xu Panteng, Wang Helei, Li Zipeng, Xue Zhitong, Liu Hongshun
As an important part of the ultra-high voltage direct current (UHVDC) transmission system, the safety of the oil-paper insulation at the rectifying valve side of the converter transformer is extremely important. This kind of insulation is mainly dealing with combined AC-DC voltages, therefore, further studies about the partial discharge (PD) and its influence on the rectifying valve side need to be carried out. In this study, experimental platform including a high-speed camera was used to obtain photos of the experimental phenomenon, herein the PD process and its influence can be observed and analyzed. Experimental results show that the aging of oil-paper insulation system is closely relevant to the PD phenomenon. This study reveals the relationship between the PD process and the electrical aging, which can help to protect the oil-paper insulation system at the rectifying valve side of the converter transformer.
{"title":"Partial Discharge and Its influence in Oil-Paper Insulated Needle Plate Systems under Combined AC-DC Voltage","authors":"Liu Jianxun, Xu Panteng, Wang Helei, Li Zipeng, Xue Zhitong, Liu Hongshun","doi":"10.1109/ICPSAsia52756.2021.9621435","DOIUrl":"https://doi.org/10.1109/ICPSAsia52756.2021.9621435","url":null,"abstract":"As an important part of the ultra-high voltage direct current (UHVDC) transmission system, the safety of the oil-paper insulation at the rectifying valve side of the converter transformer is extremely important. This kind of insulation is mainly dealing with combined AC-DC voltages, therefore, further studies about the partial discharge (PD) and its influence on the rectifying valve side need to be carried out. In this study, experimental platform including a high-speed camera was used to obtain photos of the experimental phenomenon, herein the PD process and its influence can be observed and analyzed. Experimental results show that the aging of oil-paper insulation system is closely relevant to the PD phenomenon. This study reveals the relationship between the PD process and the electrical aging, which can help to protect the oil-paper insulation system at the rectifying valve side of the converter transformer.","PeriodicalId":296085,"journal":{"name":"2021 IEEE/IAS Industrial and Commercial Power System Asia (I&CPS Asia)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129834122","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}
For researching the feasibility of electric heating participation in electricity market operation, a comprehensive benefit evaluation index system is constructed in this paper. The key evaluation indexes are extracted by principal component analysis, assigned with entropy-order relationship method. Finally, the comprehensive benefits of electric heating before and after participation in the electricity market are evaluated by using TOPSIS method, and are put forward reasonable suggestions. The analysis results show that the comprehensive benefits are greater after the joint operation of wind power and electric heating, which is effective and feasible because it is conducive to peak shaving, valley filling, wind abandonment and environmental pollution reduction. Meanwhile, the proposed comprehensive benefit evaluation index system provides a theoretical basis for the analysis of the joint operation optimization model.
{"title":"Comprehensive Benefit Evaluation of Combined Operation of Wind Power and Electric Heating","authors":"Meiqi Song, Dexin Li, Chang Liu, Yutian Li, Xin Liu, M. Zeng","doi":"10.1109/ICPSAsia52756.2021.9621517","DOIUrl":"https://doi.org/10.1109/ICPSAsia52756.2021.9621517","url":null,"abstract":"For researching the feasibility of electric heating participation in electricity market operation, a comprehensive benefit evaluation index system is constructed in this paper. The key evaluation indexes are extracted by principal component analysis, assigned with entropy-order relationship method. Finally, the comprehensive benefits of electric heating before and after participation in the electricity market are evaluated by using TOPSIS method, and are put forward reasonable suggestions. The analysis results show that the comprehensive benefits are greater after the joint operation of wind power and electric heating, which is effective and feasible because it is conducive to peak shaving, valley filling, wind abandonment and environmental pollution reduction. Meanwhile, the proposed comprehensive benefit evaluation index system provides a theoretical basis for the analysis of the joint operation optimization model.","PeriodicalId":296085,"journal":{"name":"2021 IEEE/IAS Industrial and Commercial Power System Asia (I&CPS Asia)","volume":"2310 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130326669","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}
Pub Date : 2021-07-18DOI: 10.1109/ICPSAsia52756.2021.9621448
Yitong Shang, Zekai Li, Z. Shao, L. Jian
The bidirectional energy flow between plug-in electric vehicles (PEVs) and power grids enables load flatting and self-consumption of the photovoltaic (PV) output. However, two critical issues should be addressed. One is how to conduct the gap between the decision makings optimized with predictive data and the reality, and the other is how to ensure efficiency of V2G dispatching. In order to tackle these problems, this work proposes a distributed V2G dispatching via long short term memory (LSTM) network within cloud-edge collaboration framework. In the cloud side, the LSTM network is applied merely utilizing the present data to obtain the prediction models of V2G dispatching. Then, these models are sent to the edge side and updated in a regular time. In edge side, the distributed dispatching is conducted to decrease the computational complexity. The proposed framework is verified by numerical analysis, which illustrates that the effectiveness, efficiency and applicability of the V2G operation.
{"title":"Distributed V2G Dispatching via LSTM Network within Cloud-Edge Collaboration Framework","authors":"Yitong Shang, Zekai Li, Z. Shao, L. Jian","doi":"10.1109/ICPSAsia52756.2021.9621448","DOIUrl":"https://doi.org/10.1109/ICPSAsia52756.2021.9621448","url":null,"abstract":"The bidirectional energy flow between plug-in electric vehicles (PEVs) and power grids enables load flatting and self-consumption of the photovoltaic (PV) output. However, two critical issues should be addressed. One is how to conduct the gap between the decision makings optimized with predictive data and the reality, and the other is how to ensure efficiency of V2G dispatching. In order to tackle these problems, this work proposes a distributed V2G dispatching via long short term memory (LSTM) network within cloud-edge collaboration framework. In the cloud side, the LSTM network is applied merely utilizing the present data to obtain the prediction models of V2G dispatching. Then, these models are sent to the edge side and updated in a regular time. In edge side, the distributed dispatching is conducted to decrease the computational complexity. The proposed framework is verified by numerical analysis, which illustrates that the effectiveness, efficiency and applicability of the V2G operation.","PeriodicalId":296085,"journal":{"name":"2021 IEEE/IAS Industrial and Commercial Power System Asia (I&CPS Asia)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130347716","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}
Pub Date : 2021-07-18DOI: 10.1109/ICPSAsia52756.2021.9621400
Zeqian Wang, W. Cong, Zijing Zhang, Jifu Qiu, Ming Chen, Zhen Wei
The intelligent distribution network allows a large number of DGs to access. Under the influence of complex fault characteristics of DG and its control strategy, it is difficult for longitudinal comparison principle protection based on fault direction to reliably judge the fault sections. A fault detection method based on protected element model is proposed. This method no longer starts with analyzing the fault characteristics of DG, but takes the mathematical model of the protected object as the breakthrough point. Firstly, an appropriate physical quantity can be defined based on the mathematical constraints of the model. Then, by analyzing the variation law of the defined physical quantity under both the internal and the external fault of the model, the integrity of the model can be judged, which can be used as the basic information for pilot protection to constitute the corresponding fault judgment method. In this paper, the operation voltage is taken as the physical quantity to judge whether the model is intact, and the setting principles of the impedance in operation voltage method is analyzed in detail, so that the method proposed can adapt to the operating characteristics of intelligent distribution network. Simulation results show that the method proposed in this paper is basically not affected by the fault characteristics of DGs, and the comparison of the longitudinal logical results can accurately identify the fault section.
{"title":"Fault Detection Method for Intelligent Distribution Network Based on Protected Element Model","authors":"Zeqian Wang, W. Cong, Zijing Zhang, Jifu Qiu, Ming Chen, Zhen Wei","doi":"10.1109/ICPSAsia52756.2021.9621400","DOIUrl":"https://doi.org/10.1109/ICPSAsia52756.2021.9621400","url":null,"abstract":"The intelligent distribution network allows a large number of DGs to access. Under the influence of complex fault characteristics of DG and its control strategy, it is difficult for longitudinal comparison principle protection based on fault direction to reliably judge the fault sections. A fault detection method based on protected element model is proposed. This method no longer starts with analyzing the fault characteristics of DG, but takes the mathematical model of the protected object as the breakthrough point. Firstly, an appropriate physical quantity can be defined based on the mathematical constraints of the model. Then, by analyzing the variation law of the defined physical quantity under both the internal and the external fault of the model, the integrity of the model can be judged, which can be used as the basic information for pilot protection to constitute the corresponding fault judgment method. In this paper, the operation voltage is taken as the physical quantity to judge whether the model is intact, and the setting principles of the impedance in operation voltage method is analyzed in detail, so that the method proposed can adapt to the operating characteristics of intelligent distribution network. Simulation results show that the method proposed in this paper is basically not affected by the fault characteristics of DGs, and the comparison of the longitudinal logical results can accurately identify the fault section.","PeriodicalId":296085,"journal":{"name":"2021 IEEE/IAS Industrial and Commercial Power System Asia (I&CPS Asia)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123951717","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}
Pub Date : 2021-07-18DOI: 10.1109/ICPSAsia52756.2021.9621409
Song Xuemin, L. Lizhi, Peng Junchen, Zhou Lixing
In view of the multiple power quality problems caused by photovoltaic and wind power access,aseries compensation intergrated energy effciency optimization model for distribution lines with new energy sources is established.The optimal compensation capacity and compensation location are obtained by calculation.In order to avoid series compensation induced ferromagnetic resonance in distribution network, the mechanism and suppression measures of intensified ferromagnetic resonance in new energy access distribution network are studied, and the risk assessment model of ferromagnetic resonance in series compensation line with new energy access is established.The ferromagnetic resonance risk assessment is carried out to ensure the safe and stable operation of series compensation line.
{"title":"Risk Assessment of Ferromagnetic Resonance in Series Compensation Lines with New Energy Access","authors":"Song Xuemin, L. Lizhi, Peng Junchen, Zhou Lixing","doi":"10.1109/ICPSAsia52756.2021.9621409","DOIUrl":"https://doi.org/10.1109/ICPSAsia52756.2021.9621409","url":null,"abstract":"In view of the multiple power quality problems caused by photovoltaic and wind power access,aseries compensation intergrated energy effciency optimization model for distribution lines with new energy sources is established.The optimal compensation capacity and compensation location are obtained by calculation.In order to avoid series compensation induced ferromagnetic resonance in distribution network, the mechanism and suppression measures of intensified ferromagnetic resonance in new energy access distribution network are studied, and the risk assessment model of ferromagnetic resonance in series compensation line with new energy access is established.The ferromagnetic resonance risk assessment is carried out to ensure the safe and stable operation of series compensation line.","PeriodicalId":296085,"journal":{"name":"2021 IEEE/IAS Industrial and Commercial Power System Asia (I&CPS Asia)","volume":"108 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124063622","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}
Pub Date : 2021-07-18DOI: 10.1109/ICPSAsia52756.2021.9621347
Liu Sujie, Liu Fuchao, Liu Kun, Luo Ruixi
As an important primary equipment of the power system, the capacitive voltage transformer(CVT) directly affects the safe operation of the power grid and the fairness and justice of electricity measurement. Leakage current is an important parameter reflecting the insulation status of CVT. Due to the particularity of its structure, environmental factors will affect its insulation aging, which will lead to faults and defects. Based on the structure and working principle of CVT, this paper conducts a theoretical analysis of CVT leakage current generation principle and environmental influence factors, builds a simulation circuit diagram in Simulink, and deeply studies the influence of various environmental factors on CVT leakage current.
{"title":"Research and Analysis on the Influence of Environmental Factors on the Leakage Current of CVT","authors":"Liu Sujie, Liu Fuchao, Liu Kun, Luo Ruixi","doi":"10.1109/ICPSAsia52756.2021.9621347","DOIUrl":"https://doi.org/10.1109/ICPSAsia52756.2021.9621347","url":null,"abstract":"As an important primary equipment of the power system, the capacitive voltage transformer(CVT) directly affects the safe operation of the power grid and the fairness and justice of electricity measurement. Leakage current is an important parameter reflecting the insulation status of CVT. Due to the particularity of its structure, environmental factors will affect its insulation aging, which will lead to faults and defects. Based on the structure and working principle of CVT, this paper conducts a theoretical analysis of CVT leakage current generation principle and environmental influence factors, builds a simulation circuit diagram in Simulink, and deeply studies the influence of various environmental factors on CVT leakage current.","PeriodicalId":296085,"journal":{"name":"2021 IEEE/IAS Industrial and Commercial Power System Asia (I&CPS Asia)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132354935","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}
Pub Date : 2021-07-18DOI: 10.1109/ICPSAsia52756.2021.9621633
Qi Zhang, Dong Liu, Zhe Chen
It has been pointed out in recent years that grid-following and grid-supporting converters are harmful to the stability of the power system, and grid-forming converters (GFM) are becoming to be the most promising grid-connected converters for the integration of renewable energy. Nevertheless, the development of GFM converters challenges the fault analysis of the power system because GFM converters have a totally different fault response with that of the grid-supporting, grid-following converter, and the synchronous generator. The fault modeling of GFM converters is a foundation to overcome this issue, so it should be investigated firstly. However, this topic is rarely discussed in the previous literature. In order to fill this research gap, this paper proposes a fault modelling method for GFM converters based on the dynamic phasor theory. The dynamic phasor model of GFM converters can provide an effective interface to the power system analysis. Thus, the proposed model is outstanding because of its ability to analyze the interaction between converters and the power system in the fault analysis. To verify the correctness of the proposed model, a 12 MVA grid-forming converter is established in MATLAB/Simulink. The simulation results show that the proposed model can almost perfectly handle the fault analysis of the grid-forming converter.
{"title":"Fault Modeling of Grid-Forming Converters Using Dynamic Phasor Theory","authors":"Qi Zhang, Dong Liu, Zhe Chen","doi":"10.1109/ICPSAsia52756.2021.9621633","DOIUrl":"https://doi.org/10.1109/ICPSAsia52756.2021.9621633","url":null,"abstract":"It has been pointed out in recent years that grid-following and grid-supporting converters are harmful to the stability of the power system, and grid-forming converters (GFM) are becoming to be the most promising grid-connected converters for the integration of renewable energy. Nevertheless, the development of GFM converters challenges the fault analysis of the power system because GFM converters have a totally different fault response with that of the grid-supporting, grid-following converter, and the synchronous generator. The fault modeling of GFM converters is a foundation to overcome this issue, so it should be investigated firstly. However, this topic is rarely discussed in the previous literature. In order to fill this research gap, this paper proposes a fault modelling method for GFM converters based on the dynamic phasor theory. The dynamic phasor model of GFM converters can provide an effective interface to the power system analysis. Thus, the proposed model is outstanding because of its ability to analyze the interaction between converters and the power system in the fault analysis. To verify the correctness of the proposed model, a 12 MVA grid-forming converter is established in MATLAB/Simulink. The simulation results show that the proposed model can almost perfectly handle the fault analysis of the grid-forming converter.","PeriodicalId":296085,"journal":{"name":"2021 IEEE/IAS Industrial and Commercial Power System Asia (I&CPS Asia)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132362879","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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