Pub Date : 2021-10-09DOI: 10.1109/REPE52765.2021.9617038
Wang Lei, Zhao Jianli, Wang Liang, W. Yingjie, Dang Ning
In order to study the PD detection and location in GIS, the dynamic propagation process of Partial discharge signal (gauss pulse) in GIS cavity is simulated based on XFDTD software, the influence of the existence of the basin insulator on the UHF signal propagation characteristics of the sensors at different positions in GIS is studied. The experimental results show that the amplitude of UHF electromagnetic wave of GIS cavity with basin-type insulator is only half of that without basin-type insulator, that is, the basin insulator in the GIS cavity will cause the obvious attenuation of UHF electromagnetic wave signal. Therefore, when the sensor in the cavity of GIS checks the defect, there should be no basin-type insulator around the measuring position, which can improve the detection sensitivity.
{"title":"Influence of Basin Insulator on Transmission Characteristics of UHF Signal in GIS","authors":"Wang Lei, Zhao Jianli, Wang Liang, W. Yingjie, Dang Ning","doi":"10.1109/REPE52765.2021.9617038","DOIUrl":"https://doi.org/10.1109/REPE52765.2021.9617038","url":null,"abstract":"In order to study the PD detection and location in GIS, the dynamic propagation process of Partial discharge signal (gauss pulse) in GIS cavity is simulated based on XFDTD software, the influence of the existence of the basin insulator on the UHF signal propagation characteristics of the sensors at different positions in GIS is studied. The experimental results show that the amplitude of UHF electromagnetic wave of GIS cavity with basin-type insulator is only half of that without basin-type insulator, that is, the basin insulator in the GIS cavity will cause the obvious attenuation of UHF electromagnetic wave signal. Therefore, when the sensor in the cavity of GIS checks the defect, there should be no basin-type insulator around the measuring position, which can improve the detection sensitivity.","PeriodicalId":136285,"journal":{"name":"2021 IEEE 4th International Conference on Renewable Energy and Power Engineering (REPE)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115571070","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 : 2021-10-09DOI: 10.1109/REPE52765.2021.9617013
Abdul M. Javaid, Asaad Al-Duais, Yaqub Mahnashi
Electro-Dynamic screens (EDS) have been proven to be an efficient method for dust removal from a variety of surfaces including photovoltaics (PV). EDS consists of electrodes that are embedded inside a dielectric material, which is energized by a three-phase high-voltage source. This technology is essential for deploying PV panels in distant and dusty atmospheres like the desert and the surface of the Moon or Mars. When dust accumulate on a PV panel, the amount of light reaching the solar cells decreases, which reduces the total output power. A con of the EDS technology is that it needs high-voltage source to operate, but the EDS can be made self-sustainable by feeding the EDS directly from the PV panel itself. This paper presents the design of an autonomous power management system for the EDS from a 12V DC input to an output of a 1.2kV 3-phase square wave.
{"title":"Designing and Controlling Power Management Module for Electro-Dynamic Screens","authors":"Abdul M. Javaid, Asaad Al-Duais, Yaqub Mahnashi","doi":"10.1109/REPE52765.2021.9617013","DOIUrl":"https://doi.org/10.1109/REPE52765.2021.9617013","url":null,"abstract":"Electro-Dynamic screens (EDS) have been proven to be an efficient method for dust removal from a variety of surfaces including photovoltaics (PV). EDS consists of electrodes that are embedded inside a dielectric material, which is energized by a three-phase high-voltage source. This technology is essential for deploying PV panels in distant and dusty atmospheres like the desert and the surface of the Moon or Mars. When dust accumulate on a PV panel, the amount of light reaching the solar cells decreases, which reduces the total output power. A con of the EDS technology is that it needs high-voltage source to operate, but the EDS can be made self-sustainable by feeding the EDS directly from the PV panel itself. This paper presents the design of an autonomous power management system for the EDS from a 12V DC input to an output of a 1.2kV 3-phase square wave.","PeriodicalId":136285,"journal":{"name":"2021 IEEE 4th International Conference on Renewable Energy and Power Engineering (REPE)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115417631","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 : 2021-10-09DOI: 10.1109/REPE52765.2021.9617084
Jianting Pan, Jin Huang
The switching dead-time affects the quality of the inverter output waveform, and some current conventional deadtime compensation or elimination schemes require accurate information on the current polarity, which has some limitations. This paper presents a hybrid dead-time elimination space vector pulse width modulation (HDTESVPWM) scheme for neutral-point-clamped inverters based on the three-vector space vector PWM (SVPWM) and the hybrid SVPWM. In this scheme, the SVPWM division of sectors and specific space vector combination according to the load impedance angle characteristics, will not require an accurate current polarity detection device. Simulation results demonstrate that the SVPWM control sequence generated by this scheme not only eliminates the switching dead-time that need to be set in the conventional scheme, but also significantly reduces the total harmonic distortion(THD) rate of the output current and increases the fundamental amplitude of the output voltage in the inverter.
{"title":"A Hybrid Dead- Time Elimination SVPWM Scheme for Neutral-Point-Clamped Inverters","authors":"Jianting Pan, Jin Huang","doi":"10.1109/REPE52765.2021.9617084","DOIUrl":"https://doi.org/10.1109/REPE52765.2021.9617084","url":null,"abstract":"The switching dead-time affects the quality of the inverter output waveform, and some current conventional deadtime compensation or elimination schemes require accurate information on the current polarity, which has some limitations. This paper presents a hybrid dead-time elimination space vector pulse width modulation (HDTESVPWM) scheme for neutral-point-clamped inverters based on the three-vector space vector PWM (SVPWM) and the hybrid SVPWM. In this scheme, the SVPWM division of sectors and specific space vector combination according to the load impedance angle characteristics, will not require an accurate current polarity detection device. Simulation results demonstrate that the SVPWM control sequence generated by this scheme not only eliminates the switching dead-time that need to be set in the conventional scheme, but also significantly reduces the total harmonic distortion(THD) rate of the output current and increases the fundamental amplitude of the output voltage in the inverter.","PeriodicalId":136285,"journal":{"name":"2021 IEEE 4th International Conference on Renewable Energy and Power Engineering (REPE)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122722712","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 : 2021-10-09DOI: 10.1109/REPE52765.2021.9617068
Zhen Zhang, Yong Shi, Zhongda Chen, K. Peng
Batteries testing and maintenance are important tasks to ensure the normal operation of the energy storage system. Traditional testing power supplies mostly use a unidirectional energy-consumption structure, which leads to the slow charging-discharging test speed and low efficiency. This article proposes a dual active bridge (DAB) as the basic module of the input series and output parallel (ISOP) DC converter being a part of the testing power supply, which improves the charging and discharging rate. The article analyzes the working principle and modeling method of ISOP DAB, and the control strategy of ISOP DAB are further studied, and the multi-module input voltage equalization and output current equalization are realized. Finally, the effectiveness of the proposed method is verified by simulated experiments.
{"title":"ISOP DAB Application to the Test of Batteries","authors":"Zhen Zhang, Yong Shi, Zhongda Chen, K. Peng","doi":"10.1109/REPE52765.2021.9617068","DOIUrl":"https://doi.org/10.1109/REPE52765.2021.9617068","url":null,"abstract":"Batteries testing and maintenance are important tasks to ensure the normal operation of the energy storage system. Traditional testing power supplies mostly use a unidirectional energy-consumption structure, which leads to the slow charging-discharging test speed and low efficiency. This article proposes a dual active bridge (DAB) as the basic module of the input series and output parallel (ISOP) DC converter being a part of the testing power supply, which improves the charging and discharging rate. The article analyzes the working principle and modeling method of ISOP DAB, and the control strategy of ISOP DAB are further studied, and the multi-module input voltage equalization and output current equalization are realized. Finally, the effectiveness of the proposed method is verified by simulated experiments.","PeriodicalId":136285,"journal":{"name":"2021 IEEE 4th International Conference on Renewable Energy and Power Engineering (REPE)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125542575","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 : 2021-10-09DOI: 10.1109/REPE52765.2021.9617088
Bin Lin, Gui Yin, Xiaohe Wang, Qing Chen, Hao Zhou, Dongju Wang
To accurately select the insulation level of submarine cables, an in-depth study should be conducted on the problem of temporary overvoltage attributed to long AC cables used in offshore wind power transmission. This study selected the offshore wind farm connected by single circuit submarine cables as the research object. In combination with the relevant current source characteristics and overvoltage protection strategy, this study theoretically analyzed the temporary overvoltage characteristics exhibited by submarine cables under no-load and load rejection conditions. In addition, the effects of submarine cable length, system short-circuit capacity, transmission capacity and overvoltage protection delay on the amplitude of temporary overvoltage were investigated. The voltage amplitude of load rejection temporary overvoltage showed a positive correlation with the transmitted power and the overvoltage protection delay of the fan converter. Shunt reactor could effectively suppress temporary overvoltage, and its installation position slightly affected the suppression effect.
{"title":"Research on Temporary Overvoltage of AC Transmission System for Long Distance Offshore Wind Farm","authors":"Bin Lin, Gui Yin, Xiaohe Wang, Qing Chen, Hao Zhou, Dongju Wang","doi":"10.1109/REPE52765.2021.9617088","DOIUrl":"https://doi.org/10.1109/REPE52765.2021.9617088","url":null,"abstract":"To accurately select the insulation level of submarine cables, an in-depth study should be conducted on the problem of temporary overvoltage attributed to long AC cables used in offshore wind power transmission. This study selected the offshore wind farm connected by single circuit submarine cables as the research object. In combination with the relevant current source characteristics and overvoltage protection strategy, this study theoretically analyzed the temporary overvoltage characteristics exhibited by submarine cables under no-load and load rejection conditions. In addition, the effects of submarine cable length, system short-circuit capacity, transmission capacity and overvoltage protection delay on the amplitude of temporary overvoltage were investigated. The voltage amplitude of load rejection temporary overvoltage showed a positive correlation with the transmitted power and the overvoltage protection delay of the fan converter. Shunt reactor could effectively suppress temporary overvoltage, and its installation position slightly affected the suppression effect.","PeriodicalId":136285,"journal":{"name":"2021 IEEE 4th International Conference on Renewable Energy and Power Engineering (REPE)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129443092","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 : 2021-10-09DOI: 10.1109/REPE52765.2021.9617096
Ke Zhao, Shan Gao, Hongtao Li, Jingtan Ma, Yun Teng, Kun Cao
Micro-defects on the surface of gas-insulated metal-enclosed switchgear (GIS) insulators have always been a key factor restricting the reliability of GIS equipment. This type of insulation defect causes a small partial discharge amplitude, strong concealment, and high risk. It is a great challenge to use the partial discharge test to sensitively detect this type of defect. Therefore, it is urgent to clarify how effective the partial discharge test is for defects on the insulator surface. In this paper, a partial discharge test system was built in a 550kV GIS in accordance with the standard IEC 60270. Metal particle defects were set on the surface of the basin-type insulator, and the influence of the applied voltage and particle position on the partial discharge characteristics and PRPD patterns was studied. The results show that the partial discharge test has low effectiveness for insulation defects 140mm away from the busbar, and the inception and detection of partial discharges directly depend on the electric field distribution along the surface. This paper can provide guidance for the structural design of the insulator and condition monitoring of GIS.
{"title":"Effectiveness of Partial Discharge Test in Detecting Micro-Defects of Insulators in GIS","authors":"Ke Zhao, Shan Gao, Hongtao Li, Jingtan Ma, Yun Teng, Kun Cao","doi":"10.1109/REPE52765.2021.9617096","DOIUrl":"https://doi.org/10.1109/REPE52765.2021.9617096","url":null,"abstract":"Micro-defects on the surface of gas-insulated metal-enclosed switchgear (GIS) insulators have always been a key factor restricting the reliability of GIS equipment. This type of insulation defect causes a small partial discharge amplitude, strong concealment, and high risk. It is a great challenge to use the partial discharge test to sensitively detect this type of defect. Therefore, it is urgent to clarify how effective the partial discharge test is for defects on the insulator surface. In this paper, a partial discharge test system was built in a 550kV GIS in accordance with the standard IEC 60270. Metal particle defects were set on the surface of the basin-type insulator, and the influence of the applied voltage and particle position on the partial discharge characteristics and PRPD patterns was studied. The results show that the partial discharge test has low effectiveness for insulation defects 140mm away from the busbar, and the inception and detection of partial discharges directly depend on the electric field distribution along the surface. This paper can provide guidance for the structural design of the insulator and condition monitoring of GIS.","PeriodicalId":136285,"journal":{"name":"2021 IEEE 4th International Conference on Renewable Energy and Power Engineering (REPE)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124873451","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 : 2021-10-09DOI: 10.1109/REPE52765.2021.9617071
Rui Chen, Jie Cao, Dan Zhang
The deterministic prediction of photovoltaic power can support the long-term optimization of the dispatching system, but under complex weather conditions, the short-term fluctuation of photovoltaic power will be large, and the prediction accuracy of the deterministic prediction method will be significantly reduced, which will affect the safe and stable operation of the power grid. A prediction method of the photovoltaic power probability distribution based on the Bayesian Neural Network -Long Short-Term Memory (BNN-LSTM) model is proposed. Firstly, use path analysis to select the most related numerical weather forecast feature variables. Then, the LSTM unit is used to extract features of the numerical weather forecast and historical time series data to improve model prediction accuracy. Finally, the parameters in the Bayesian neural network are expressed in the form of a probability distribution, which can be used to fit the probability distribution of photovoltaic power. The case study shows that the proposed method is more capable of dealing with photovoltaic power fluctuations than the deterministic prediction method. Compared with the traditional photovoltaic power interval predicting method, the prediction interval width is narrower under the same forecast accuracy.
{"title":"Probabilistic Prediction of Photovoltaic Power Using Bayesian Neural Network - LSTM Model","authors":"Rui Chen, Jie Cao, Dan Zhang","doi":"10.1109/REPE52765.2021.9617071","DOIUrl":"https://doi.org/10.1109/REPE52765.2021.9617071","url":null,"abstract":"The deterministic prediction of photovoltaic power can support the long-term optimization of the dispatching system, but under complex weather conditions, the short-term fluctuation of photovoltaic power will be large, and the prediction accuracy of the deterministic prediction method will be significantly reduced, which will affect the safe and stable operation of the power grid. A prediction method of the photovoltaic power probability distribution based on the Bayesian Neural Network -Long Short-Term Memory (BNN-LSTM) model is proposed. Firstly, use path analysis to select the most related numerical weather forecast feature variables. Then, the LSTM unit is used to extract features of the numerical weather forecast and historical time series data to improve model prediction accuracy. Finally, the parameters in the Bayesian neural network are expressed in the form of a probability distribution, which can be used to fit the probability distribution of photovoltaic power. The case study shows that the proposed method is more capable of dealing with photovoltaic power fluctuations than the deterministic prediction method. Compared with the traditional photovoltaic power interval predicting method, the prediction interval width is narrower under the same forecast accuracy.","PeriodicalId":136285,"journal":{"name":"2021 IEEE 4th International Conference on Renewable Energy and Power Engineering (REPE)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127277444","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 : 2021-10-09DOI: 10.1109/REPE52765.2021.9616977
Jun Liu, Rui Li, Yini Xu
The resilient distribution power system has the ability to resist, adapt to and quickly recover from small probability disturbance events. The establishment of a quantitative evaluation index system of resilience to handle extreme events can clearly and intuitively evaluate the resilience of distribution network, realize the deduction, simulation and early warning of extreme events, and provide decision support for pre-disaster strengthening and post-disaster recovery, thus realizing the rapid recovery of resilient distribution network. Based on the principle of multi-objective segmentation, the paper divides the resilient recovery process into pre-exist prevention process and in disaster resistance process, that is, the resilience and adaptability of system to disaster events with small probability & high loss, and the post disaster recovery process is aimed to reduce the cascading failures caused by disasters and shorten the power system recovery time. According to the relationship between probability and loss, the resilience index is layered and refined. The static and dynamic indexes are considered to comprehensively describe the resilience level of distribution network during the entire extreme events from different aspects such as load, network structure, equipment and emergency management. On the basis of the constructed index system, the traditional analytic hierarchy process is improved, and the index weight is reset by the optimal weighting method, which reduces the subjectivity of person and makes the obtained weight more scientific. The example proves the effectiveness of the evaluation index and method.
{"title":"Research on the Construction and Application of Evaluation Index System of Resilient Distribution Network","authors":"Jun Liu, Rui Li, Yini Xu","doi":"10.1109/REPE52765.2021.9616977","DOIUrl":"https://doi.org/10.1109/REPE52765.2021.9616977","url":null,"abstract":"The resilient distribution power system has the ability to resist, adapt to and quickly recover from small probability disturbance events. The establishment of a quantitative evaluation index system of resilience to handle extreme events can clearly and intuitively evaluate the resilience of distribution network, realize the deduction, simulation and early warning of extreme events, and provide decision support for pre-disaster strengthening and post-disaster recovery, thus realizing the rapid recovery of resilient distribution network. Based on the principle of multi-objective segmentation, the paper divides the resilient recovery process into pre-exist prevention process and in disaster resistance process, that is, the resilience and adaptability of system to disaster events with small probability & high loss, and the post disaster recovery process is aimed to reduce the cascading failures caused by disasters and shorten the power system recovery time. According to the relationship between probability and loss, the resilience index is layered and refined. The static and dynamic indexes are considered to comprehensively describe the resilience level of distribution network during the entire extreme events from different aspects such as load, network structure, equipment and emergency management. On the basis of the constructed index system, the traditional analytic hierarchy process is improved, and the index weight is reset by the optimal weighting method, which reduces the subjectivity of person and makes the obtained weight more scientific. The example proves the effectiveness of the evaluation index and method.","PeriodicalId":136285,"journal":{"name":"2021 IEEE 4th International Conference on Renewable Energy and Power Engineering (REPE)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127298587","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 : 2021-10-09DOI: 10.1109/REPE52765.2021.9617047
Ying Zhan, Xiaorong Xie, W. Chai, Qirong Jiang
The integration of wind power has caused severe sub/super-synchronous oscillations (SSOs) in today's power systems. To analyze the stability of SSO under different operating conditions, it is of great significance to construct its security region (SR). This paper first proposes the concept of SR for SSOs based on the impedance network model (INM). Then the frequency characteristics of the aggregated impedance is used to judge the oscillatory stability and the boundary of SR is built via seeking critical stable operating points. Finally, the proposed method is illustrated by constructing the SR of a practical wind power system that experienced actual SSOs. Its effectiveness is verified with electromagnetic simulations.
{"title":"Security Region Analysis of Sub/Super-Synchronous Oscillations in Wind Power Systems","authors":"Ying Zhan, Xiaorong Xie, W. Chai, Qirong Jiang","doi":"10.1109/REPE52765.2021.9617047","DOIUrl":"https://doi.org/10.1109/REPE52765.2021.9617047","url":null,"abstract":"The integration of wind power has caused severe sub/super-synchronous oscillations (SSOs) in today's power systems. To analyze the stability of SSO under different operating conditions, it is of great significance to construct its security region (SR). This paper first proposes the concept of SR for SSOs based on the impedance network model (INM). Then the frequency characteristics of the aggregated impedance is used to judge the oscillatory stability and the boundary of SR is built via seeking critical stable operating points. Finally, the proposed method is illustrated by constructing the SR of a practical wind power system that experienced actual SSOs. Its effectiveness is verified with electromagnetic simulations.","PeriodicalId":136285,"journal":{"name":"2021 IEEE 4th International Conference on Renewable Energy and Power Engineering (REPE)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126875467","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 : 2021-10-09DOI: 10.1109/REPE52765.2021.9617099
Xiaohua Zhang, Hui Wang, Runchi Ji, Wenxiang Xue, Shuyuan Wang
As the voltage level of the power grid continues to increase and the transmission distance increases year by year, ensuring the safety of transmission lines is crucial to economic and social development and residents' production and life. The environment along the transmission line is complicated, and the high-frequency, full-coverage risk assessment along the power line through manual is facing huge challenges, and it is urgent to find a suitable monitoring method. Satellite remote sensing has many advantages such as high measurement accuracy, wide coverage, all-weather, rich data volume and fast update. This article first analyzes the current results of the early identification of landslides, and introduces some of the research results into the early identification of ground disasters on power lines, and provides a way of adding and deleting specific influencing factors. After comprehensive analysis, the research area is confirmed Disaster factors and inducing factors. The data includes optical satellite data, SAR satellite data, DEM data, meteorological data, and geological data. Based on corresponding methods, additional and deleted hazard factors and hazard factors are extracted. During the operation of the risk assessment model, many influencing factors are divided into three calculation modes, and at the same time, the mechanism of the disaster-inducing factors is highlighted to realize the early identification of earth disasters. The analysis results of the disaster points identified by the risk model in this paper are completely consistent with the survey results, indicating that the model constructed in this paper can realize the early targeted identification of the ground disasters along the power line and the construction process is highly operable.
{"title":"Research on Early Earth Disaster Recognition along Power Line Based on Multi-Source Satellite Remote Sensing","authors":"Xiaohua Zhang, Hui Wang, Runchi Ji, Wenxiang Xue, Shuyuan Wang","doi":"10.1109/REPE52765.2021.9617099","DOIUrl":"https://doi.org/10.1109/REPE52765.2021.9617099","url":null,"abstract":"As the voltage level of the power grid continues to increase and the transmission distance increases year by year, ensuring the safety of transmission lines is crucial to economic and social development and residents' production and life. The environment along the transmission line is complicated, and the high-frequency, full-coverage risk assessment along the power line through manual is facing huge challenges, and it is urgent to find a suitable monitoring method. Satellite remote sensing has many advantages such as high measurement accuracy, wide coverage, all-weather, rich data volume and fast update. This article first analyzes the current results of the early identification of landslides, and introduces some of the research results into the early identification of ground disasters on power lines, and provides a way of adding and deleting specific influencing factors. After comprehensive analysis, the research area is confirmed Disaster factors and inducing factors. The data includes optical satellite data, SAR satellite data, DEM data, meteorological data, and geological data. Based on corresponding methods, additional and deleted hazard factors and hazard factors are extracted. During the operation of the risk assessment model, many influencing factors are divided into three calculation modes, and at the same time, the mechanism of the disaster-inducing factors is highlighted to realize the early identification of earth disasters. The analysis results of the disaster points identified by the risk model in this paper are completely consistent with the survey results, indicating that the model constructed in this paper can realize the early targeted identification of the ground disasters along the power line and the construction process is highly operable.","PeriodicalId":136285,"journal":{"name":"2021 IEEE 4th International Conference on Renewable Energy and Power Engineering (REPE)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116607185","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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