Pub Date : 2023-06-12DOI: 10.1109/APL57308.2023.10181667
N. D. Ahmad, Ahmad Hafiz Mohd Hashim, N. Azis, M. Talib, K. A. Rezali, N. H. Nik Ali, J. Jasni, Kozako Masahiro, M. Jamil
This paper examines the performance of partial discharge localization refined bleach deodorized palm oil (RBDPO) based on acoustic emission (AE) partial discharge (PD) method. The PD was initiated through a needle-plane electrodes configuration. The electrical PD was measured through Impedance Matching Circuit (IMC) whereby the AE PD signal was measured using AE sensor placed on the surface of the test tank. The time of arrival (TOA) was computed based on the electrical and AE PD signals. It is found that the PD count and maximum amplitude for RBDPO are lower than mineral oil. The PD in RBDPO can be located through TOA whereby the location error is lower than MO.
{"title":"Partial Discharge Localization of Refined Bleached Deodorized Palm Oil (RBDPO) based on Acoustic Emission Method","authors":"N. D. Ahmad, Ahmad Hafiz Mohd Hashim, N. Azis, M. Talib, K. A. Rezali, N. H. Nik Ali, J. Jasni, Kozako Masahiro, M. Jamil","doi":"10.1109/APL57308.2023.10181667","DOIUrl":"https://doi.org/10.1109/APL57308.2023.10181667","url":null,"abstract":"This paper examines the performance of partial discharge localization refined bleach deodorized palm oil (RBDPO) based on acoustic emission (AE) partial discharge (PD) method. The PD was initiated through a needle-plane electrodes configuration. The electrical PD was measured through Impedance Matching Circuit (IMC) whereby the AE PD signal was measured using AE sensor placed on the surface of the test tank. The time of arrival (TOA) was computed based on the electrical and AE PD signals. It is found that the PD count and maximum amplitude for RBDPO are lower than mineral oil. The PD in RBDPO can be located through TOA whereby the location error is lower than MO.","PeriodicalId":371726,"journal":{"name":"2023 12th Asia-Pacific International Conference on Lightning (APL)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133478029","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 : 2023-06-12DOI: 10.1109/APL57308.2023.10182094
Zhizhong Li, Weimin Xia, H. Pan
In order to disclose the effect of soil on the corrosion of earthing metal materials in power grid in Shaanxi Province, 152 stations with related soil environment are selected, and the corrosion data of four earthing metal materials including carbon steel, hot-dip galvanized steel, copper and copper-clad steel in different substations and external environments are measured. Then the average corrosion rate of four kinds of earthing metal materials in Shaanxi is calculated by weighing experiment. Based on geographic data information system (GIS), the environmental soil corrosion rate map of metal materials is drawn, and the average corrosion rate of earthing metal materials in substations of different cities in Shaanxi Province is compared and analyzed. Simultaneously, the main factors affecting the corrosion of metal materials are analyzed combining with soil properties parameters. The results show that the average annual soil corrosion rate of eastern region is higher than that of western area in Shaanxi Province after the earthing metal material buried one year. The average corrosion rate of copper and hot dip galvanized steel is slower than that of carbon steel. Comparatively, the corrosion rate in the substation is higher than that outside the station, and soil moisture, pH and chloride content have obvious effects on the corrosion rate. This result can provide reference for the design of earth power grid in Shaanxi Province.
{"title":"GIS based map drawing of soil corrosion to power grid earthing materials and analysis of main influencing factors","authors":"Zhizhong Li, Weimin Xia, H. Pan","doi":"10.1109/APL57308.2023.10182094","DOIUrl":"https://doi.org/10.1109/APL57308.2023.10182094","url":null,"abstract":"In order to disclose the effect of soil on the corrosion of earthing metal materials in power grid in Shaanxi Province, 152 stations with related soil environment are selected, and the corrosion data of four earthing metal materials including carbon steel, hot-dip galvanized steel, copper and copper-clad steel in different substations and external environments are measured. Then the average corrosion rate of four kinds of earthing metal materials in Shaanxi is calculated by weighing experiment. Based on geographic data information system (GIS), the environmental soil corrosion rate map of metal materials is drawn, and the average corrosion rate of earthing metal materials in substations of different cities in Shaanxi Province is compared and analyzed. Simultaneously, the main factors affecting the corrosion of metal materials are analyzed combining with soil properties parameters. The results show that the average annual soil corrosion rate of eastern region is higher than that of western area in Shaanxi Province after the earthing metal material buried one year. The average corrosion rate of copper and hot dip galvanized steel is slower than that of carbon steel. Comparatively, the corrosion rate in the substation is higher than that outside the station, and soil moisture, pH and chloride content have obvious effects on the corrosion rate. This result can provide reference for the design of earth power grid in Shaanxi Province.","PeriodicalId":371726,"journal":{"name":"2023 12th Asia-Pacific International Conference on Lightning (APL)","volume":"87 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126183848","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}
To protect electric and electronic equipment in buildings impacted by direct lightning strikes, surge protective devices are installed at the power substation, between the neutral and earth lines in a TT earthing system. We investigated the mechanism of overvoltage generation at distribution boards and analyzed the flow of lightning currents through the earth lines in the system using electromagnetic analysis. The over voltages were found to be smaller when the power substation was installed at the top floor than that on the first floor. We confirmed that the overvoltage could be suppressed by designing the electric pipe-shaft position at the center part of the building structure.
{"title":"Effect of Wiring Installation System on Overvoltage at the Distribution Boards of a Building Struck Directly by Lightning","authors":"Qianling Liu, Hisho Nakamura, Yantao Huang, S. Yasui, Masaya Nakagawa, Tatsuya Yamamoto","doi":"10.1109/APL57308.2023.10181755","DOIUrl":"https://doi.org/10.1109/APL57308.2023.10181755","url":null,"abstract":"To protect electric and electronic equipment in buildings impacted by direct lightning strikes, surge protective devices are installed at the power substation, between the neutral and earth lines in a TT earthing system. We investigated the mechanism of overvoltage generation at distribution boards and analyzed the flow of lightning currents through the earth lines in the system using electromagnetic analysis. The over voltages were found to be smaller when the power substation was installed at the top floor than that on the first floor. We confirmed that the overvoltage could be suppressed by designing the electric pipe-shaft position at the center part of the building structure.","PeriodicalId":371726,"journal":{"name":"2023 12th Asia-Pacific International Conference on Lightning (APL)","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124025726","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 : 2023-06-12DOI: 10.1109/APL57308.2023.10182156
Zijian Li, Yao Yao, Zhiqiang Feng, Yeqiang Deng, Haochen Zhang, Yu Wang
In order to solve the problem of mutual shielding of transmission lines between dense transmission channels, this paper proposes a calculation method based on the electrical geometric model method, which scans the entire model directly after modeling and obtains the ground projection of the exposed arc. On the basis of the modified and improved calculation method, this paper calculates the results of shielding tripping rate under the condition of parallel erection of two double-circuit lines under different terrains and analyzes its changing law. In order to show this rule more intuitively, this paper proposes the concept of shielding coefficient, which characterizes the shielding effect of adjacent lines on the shielding tripping rate of this line. Through the processing of the calculated data, this paper obtains the fitting formulas for different working conditions, and analyzes the qualitative law of its changes.
{"title":"Simulation analysis of the influence of multiple factors on lightning shielding characteristics between dense transmission lines","authors":"Zijian Li, Yao Yao, Zhiqiang Feng, Yeqiang Deng, Haochen Zhang, Yu Wang","doi":"10.1109/APL57308.2023.10182156","DOIUrl":"https://doi.org/10.1109/APL57308.2023.10182156","url":null,"abstract":"In order to solve the problem of mutual shielding of transmission lines between dense transmission channels, this paper proposes a calculation method based on the electrical geometric model method, which scans the entire model directly after modeling and obtains the ground projection of the exposed arc. On the basis of the modified and improved calculation method, this paper calculates the results of shielding tripping rate under the condition of parallel erection of two double-circuit lines under different terrains and analyzes its changing law. In order to show this rule more intuitively, this paper proposes the concept of shielding coefficient, which characterizes the shielding effect of adjacent lines on the shielding tripping rate of this line. Through the processing of the calculated data, this paper obtains the fitting formulas for different working conditions, and analyzes the qualitative law of its changes.","PeriodicalId":371726,"journal":{"name":"2023 12th Asia-Pacific International Conference on Lightning (APL)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130829253","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}
When the lightning protection device is installed at intervals, the lightning strike point is different, and the lightning resistance level of the line is also different. Through simulation calculation, the change rule of lightning resistance level of the line under different installation modes of the same protection device can be obtained, and then the tripping rate under different installation modes can be obtained. Further comparative analysis can obtain the lightning protection effect of different installation modes of different protection devices. This paper studies the lightning resistance level of the line under different installation modes of three lightning protection measures: arrester, multi-chamber arc extinguishing lightning protection device and arcing fitting, which can be used for reference by operation and maintenance units to install various lightning protection measures.
{"title":"Simulation analysis of lightning resistance level under different installation modes of lightning protection measures","authors":"Yao Yao, Zijian Li, Jianjin Fu, Xiankang Wang, Zhiqiang Feng, Xueming Zhou","doi":"10.1109/APL57308.2023.10182193","DOIUrl":"https://doi.org/10.1109/APL57308.2023.10182193","url":null,"abstract":"When the lightning protection device is installed at intervals, the lightning strike point is different, and the lightning resistance level of the line is also different. Through simulation calculation, the change rule of lightning resistance level of the line under different installation modes of the same protection device can be obtained, and then the tripping rate under different installation modes can be obtained. Further comparative analysis can obtain the lightning protection effect of different installation modes of different protection devices. This paper studies the lightning resistance level of the line under different installation modes of three lightning protection measures: arrester, multi-chamber arc extinguishing lightning protection device and arcing fitting, which can be used for reference by operation and maintenance units to install various lightning protection measures.","PeriodicalId":371726,"journal":{"name":"2023 12th Asia-Pacific International Conference on Lightning (APL)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129238392","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 : 2023-06-12DOI: 10.1109/APL57308.2023.10181457
Surekha Jonnalagadda, U. Kumar
Lightning strikes are responsible for some of the catastrophic airborne accidents. Design of suitable protection schemes requires prior knowledge of the current and field levels during a lightning strike. For assessing these quantities and for the validation of the design, lightning current injection tests are specified. Current tests are performed with components A to D which are specified in standards. Most of the tests are practical only at the component levels. For subjecting the whole aircraft to lightning tests, standards suggest a return conductor (RC) arrangement. The return conductor arrangement permits injection of current with magnitude and rise time specified in standards. However, in a natural environment, there is no such return path for current. Therefore, the lightning electromagnetic environment experienced by an aircraft during an actual lightning strike could be different from that simulated by laboratory tests. The present work aims to investigate this considering Standard Dynamics Model (SDM) aircraft. The impedance network method is employed for determining the current and voltage distribution for the current component A. It is shown that in the real environment, the voltage drop across the aircraft is much higher than that in a laboratory test. The inevitable use of the return conductor is responsible for the differences in the electromagnetic environment.
{"title":"Some Observations Pertaining to the Adequacy of Lightning Current Injection Tests to Aircraft","authors":"Surekha Jonnalagadda, U. Kumar","doi":"10.1109/APL57308.2023.10181457","DOIUrl":"https://doi.org/10.1109/APL57308.2023.10181457","url":null,"abstract":"Lightning strikes are responsible for some of the catastrophic airborne accidents. Design of suitable protection schemes requires prior knowledge of the current and field levels during a lightning strike. For assessing these quantities and for the validation of the design, lightning current injection tests are specified. Current tests are performed with components A to D which are specified in standards. Most of the tests are practical only at the component levels. For subjecting the whole aircraft to lightning tests, standards suggest a return conductor (RC) arrangement. The return conductor arrangement permits injection of current with magnitude and rise time specified in standards. However, in a natural environment, there is no such return path for current. Therefore, the lightning electromagnetic environment experienced by an aircraft during an actual lightning strike could be different from that simulated by laboratory tests. The present work aims to investigate this considering Standard Dynamics Model (SDM) aircraft. The impedance network method is employed for determining the current and voltage distribution for the current component A. It is shown that in the real environment, the voltage drop across the aircraft is much higher than that in a laboratory test. The inevitable use of the return conductor is responsible for the differences in the electromagnetic environment.","PeriodicalId":371726,"journal":{"name":"2023 12th Asia-Pacific International Conference on Lightning (APL)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127846839","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 : 2023-06-12DOI: 10.1109/APL57308.2023.10182183
M. N. Hamzah, C. Gomes, M. Afiq, M. A. Ab. Kadir
This paper presents the results of a long-term experiment on an active earth resistance reduction technique that can be used to increase the performance of electrical earthing systems. The technique employs an earth resistance reduction agent (ERRA) based on naturally occurring bentonite and an aluminium sacrificial electrode. The results show that not only the ERRA used but the sacrificial electrode configuration too will be of importance in achieving the desired performance of the grounding system.
{"title":"Performance of Active Electrical Earthing Systems: Results and Discussion","authors":"M. N. Hamzah, C. Gomes, M. Afiq, M. A. Ab. Kadir","doi":"10.1109/APL57308.2023.10182183","DOIUrl":"https://doi.org/10.1109/APL57308.2023.10182183","url":null,"abstract":"This paper presents the results of a long-term experiment on an active earth resistance reduction technique that can be used to increase the performance of electrical earthing systems. The technique employs an earth resistance reduction agent (ERRA) based on naturally occurring bentonite and an aluminium sacrificial electrode. The results show that not only the ERRA used but the sacrificial electrode configuration too will be of importance in achieving the desired performance of the grounding system.","PeriodicalId":371726,"journal":{"name":"2023 12th Asia-Pacific International Conference on Lightning (APL)","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133580636","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 : 2023-06-12DOI: 10.1109/APL57308.2023.10182012
S. Gu, Shuai Wan, Zihao Liu, Jian Li, Min Wu, Wei Cao
The ±1100kV “Jiquan” transmission line is the line with the highest voltage level DC transmission in China. It possesses important strategic value for the power transmission of large power grids across regions. In view of the urgent lightning protection needs of the “Jiquan” Line, this paper completed the parameter design and prototype development of the first ±1100 kV UHV DC transmission line arrester in the world by means of theoretical calculation and simulation analysis. Through a full set of type tests, the excellent performance of the arrester has been verified. Based on the structural stress analysis of typical towers in the “Jiquan” Line, this paper completes the design of the installation scheme of the arrester, and proposes a supported bracket reinforced by the suspension composite insulator. This on-site installation method meets the long-term safe and stable operation requirements. Finally, this paper realized the trial operation of ±1100kV UHV DC transmission line arrester. The research results of this paper are of great significance to the lightning protection of UHV DC transmission lines.
{"title":"Development and Application of the ±1100 kV UHV DC Transmission Line Arrester","authors":"S. Gu, Shuai Wan, Zihao Liu, Jian Li, Min Wu, Wei Cao","doi":"10.1109/APL57308.2023.10182012","DOIUrl":"https://doi.org/10.1109/APL57308.2023.10182012","url":null,"abstract":"The ±1100kV “Jiquan” transmission line is the line with the highest voltage level DC transmission in China. It possesses important strategic value for the power transmission of large power grids across regions. In view of the urgent lightning protection needs of the “Jiquan” Line, this paper completed the parameter design and prototype development of the first ±1100 kV UHV DC transmission line arrester in the world by means of theoretical calculation and simulation analysis. Through a full set of type tests, the excellent performance of the arrester has been verified. Based on the structural stress analysis of typical towers in the “Jiquan” Line, this paper completes the design of the installation scheme of the arrester, and proposes a supported bracket reinforced by the suspension composite insulator. This on-site installation method meets the long-term safe and stable operation requirements. Finally, this paper realized the trial operation of ±1100kV UHV DC transmission line arrester. The research results of this paper are of great significance to the lightning protection of UHV DC transmission lines.","PeriodicalId":371726,"journal":{"name":"2023 12th Asia-Pacific International Conference on Lightning (APL)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131556248","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 : 2023-06-12DOI: 10.1109/APL57308.2023.10181936
E. Shulzhenko, R. Brocke, Martin Hannig, Julienne Puttkammer
The efficiency of a large earth-termination system (ETS) in case of a large-scale solar power plant (LSP) is crucial for protecting the facility and ensuring the safety of personnel and equipment during lightning events. The transient performance of the ETS for LSP subjected to lightning current impulses is studied in this paper. A suggested numerical model considers different ETS configurations, lightning strike locations, and parameters of the surrounding soil. The maximum transient ground potential rise (GPR) and frequency dependent impedance are analysed in both frequency and in time domains. The earth resistance is compared with the impulse impedance of the observed ETS.Simulations are based on the Partial Equivalent Electrical Circuit (PEEC) method using the XGSLab [1] software package for grounding system analysis. Due to simulation of the different ETS configurations, it is possible to find a favourable configuration for reduction of the GPR and thus to reduce the energetic stress on the installed surge protective devices (SPDs). In this approach, an impulse effective area is considered, which depends on the soil resistivity and the steepness of the lightning current. As a result, a mesh size of the ETS or distances between ground conductors of the grounding grids must be smaller than the estimated impulse effective area. This is often overlooked in the design of the ETS of LSP.
{"title":"Efficiency of the earthing system in a large-scale solar power plant during lightning","authors":"E. Shulzhenko, R. Brocke, Martin Hannig, Julienne Puttkammer","doi":"10.1109/APL57308.2023.10181936","DOIUrl":"https://doi.org/10.1109/APL57308.2023.10181936","url":null,"abstract":"The efficiency of a large earth-termination system (ETS) in case of a large-scale solar power plant (LSP) is crucial for protecting the facility and ensuring the safety of personnel and equipment during lightning events. The transient performance of the ETS for LSP subjected to lightning current impulses is studied in this paper. A suggested numerical model considers different ETS configurations, lightning strike locations, and parameters of the surrounding soil. The maximum transient ground potential rise (GPR) and frequency dependent impedance are analysed in both frequency and in time domains. The earth resistance is compared with the impulse impedance of the observed ETS.Simulations are based on the Partial Equivalent Electrical Circuit (PEEC) method using the XGSLab [1] software package for grounding system analysis. Due to simulation of the different ETS configurations, it is possible to find a favourable configuration for reduction of the GPR and thus to reduce the energetic stress on the installed surge protective devices (SPDs). In this approach, an impulse effective area is considered, which depends on the soil resistivity and the steepness of the lightning current. As a result, a mesh size of the ETS or distances between ground conductors of the grounding grids must be smaller than the estimated impulse effective area. This is often overlooked in the design of the ETS of LSP.","PeriodicalId":371726,"journal":{"name":"2023 12th Asia-Pacific International Conference on Lightning (APL)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124836266","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 : 2023-06-12DOI: 10.1109/APL57308.2023.10182051
Jinxin Cao, Yaping Du, Jianguo Wang, L. Cai, Yuxuan Ding, Mi Zhou, A. Andreotti, Yadong Fan
This paper proposed a novel surrogate model for probability-based assessment of flashover due to lightning on a complex medium-voltage distribution network with some protection schemes (e.g., with some limited surge arresters). Different from adequate randomly generated lightning events in a traditional Monte Carlo method, in the proposed model a simplified set of lightning parameters with some probability factors is adopted to consider the lightning randomness. Compared with the traditional Monte Carlo assessment, it is found that the proposed surrogate model can realize a 10-fold efficiency improvement, with reasonable accuracy. The evaluation can easily reveal the weak points of the poles against lightning strikes, as well as the safe points. Therefore, the proposed method is a practical effective method for the design of differentiated surge-arrester configuration.
{"title":"A Simplified Method for Probability-based Assessment of Flashover Occurred on the Medium-Voltage Distribution Network Due to Lightning","authors":"Jinxin Cao, Yaping Du, Jianguo Wang, L. Cai, Yuxuan Ding, Mi Zhou, A. Andreotti, Yadong Fan","doi":"10.1109/APL57308.2023.10182051","DOIUrl":"https://doi.org/10.1109/APL57308.2023.10182051","url":null,"abstract":"This paper proposed a novel surrogate model for probability-based assessment of flashover due to lightning on a complex medium-voltage distribution network with some protection schemes (e.g., with some limited surge arresters). Different from adequate randomly generated lightning events in a traditional Monte Carlo method, in the proposed model a simplified set of lightning parameters with some probability factors is adopted to consider the lightning randomness. Compared with the traditional Monte Carlo assessment, it is found that the proposed surrogate model can realize a 10-fold efficiency improvement, with reasonable accuracy. The evaluation can easily reveal the weak points of the poles against lightning strikes, as well as the safe points. Therefore, the proposed method is a practical effective method for the design of differentiated surge-arrester configuration.","PeriodicalId":371726,"journal":{"name":"2023 12th Asia-Pacific International Conference on Lightning (APL)","volume":"115 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121144799","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}
京公网安备 11010802042870号
京ICP备2023020795号-1
扫码关注我们
求助内容：
应助结果提醒方式：