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Research on the influence of power frequency electric field of pantograph on passengers’ health in high-speed EMU 高速动车组受电弓工频电场对乘客健康影响的研究
IF 1.3
Archives of Electrical Engineering Pub Date : 2023-06-28 DOI: 10.24425/aee.2023.145421
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引用次数: 0
Fault location of distribution network with distributed generation based on Karrenbauer transform and support vector machine regression 基于Karrenbauer变换和支持向量机回归的分布式发电配电网故障定位
IF 1.3
Archives of Electrical Engineering Pub Date : 2023-06-28 DOI: 10.24425/aee.2023.145420
{"title":"Fault location of distribution network with distributed generation based on Karrenbauer transform and support vector machine regression","authors":"","doi":"10.24425/aee.2023.145420","DOIUrl":"https://doi.org/10.24425/aee.2023.145420","url":null,"abstract":"","PeriodicalId":45464,"journal":{"name":"Archives of Electrical Engineering","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90165267","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Load regulation application of university campus based on solar power generation forecasting 基于太阳能发电预测的大学校园负荷调节应用
IF 1.3
Archives of Electrical Engineering Pub Date : 2023-06-28 DOI: 10.24425/aee.2023.145418
Guozheng HANo, Shujuan TANo, Zihan ZHANGo, Guozheng Han
{"title":"Load regulation application of university campus based on solar power generation forecasting","authors":"Guozheng HANo, Shujuan TANo, Zihan ZHANGo, Guozheng Han","doi":"10.24425/aee.2023.145418","DOIUrl":"https://doi.org/10.24425/aee.2023.145418","url":null,"abstract":": For a solar photovoltaic power system on a university campus, the electricity generated by the system meets the campus load, and the extra electricity is delivered to the grid. Generally, the price of the photovoltaic system is cheaper than that of the utility power system. The full use of solar electricity can reduce the electricity cost of the school. The deep belief network is used to predict solar photovoltaic generation and electricity load, and the gap is found. According to the gap, the power loads on the campus are adjusted to improve the utilization rate of solar power generation. Through the practical application of Changqing Campus of Qilu University of Technology in China, it is found that the utilization rate of solar photovoltaic power generation effectively improved from 91.24% in 2017 to 98.16% in 2019, and the annual electricity is saved by 68610 yuan (in 2019).","PeriodicalId":45464,"journal":{"name":"Archives of Electrical Engineering","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89497091","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A new method for estimating fault location in radial medium voltage distribution network only using measurements at feeder beginning 提出了一种基于馈线起始点测量的径向中压配电网故障定位新方法
IF 1.3
Archives of Electrical Engineering Pub Date : 2023-06-28 DOI: 10.24425/aee.2023.145422
Truong NGOC-HUNGo
{"title":"A new method for estimating fault location in radial medium voltage distribution network only using measurements at feeder beginning","authors":"Truong NGOC-HUNGo","doi":"10.24425/aee.2023.145422","DOIUrl":"https://doi.org/10.24425/aee.2023.145422","url":null,"abstract":": This paper proposes a new fault location method in radial medium voltage distribution networks. The proposed method only uses the measurement data at the feeder beginning to approximate the characteristic equation showing the dependence between the positive-sequence voltage and phase angle at the monitoring point with the distance to the fault location for each fault type on each line segment. To determine these characteristic equation coefficients, the entire distribution network will be modeled and simulated by four types of faults at different locations along the lines to build the initial database. Based on this database, the mathematical functions in MATLAB software are applied to approximate these coefficients corresponding to each type of fault for each line segment in the network. Then, from the current and voltage measurement data at the feeder beginning, the algorithms of global search, comparison, and fault ranking are used to find out where the fault occurs on the distribution network. Two types of distribution network with and without branches are studied and simulated in this paper to verify and evaluate the effectiveness of the proposed method.","PeriodicalId":45464,"journal":{"name":"Archives of Electrical Engineering","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74171604","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparative study of DC/DC electric vehicle charging system with conventional transformer and planar transformer 传统变压器与平面变压器DC/DC电动汽车充电系统的比较研究
IF 1.3
Archives of Electrical Engineering Pub Date : 2023-06-28 DOI: 10.24425/aee.2023.145412
Maciej RUDAWSKIo
{"title":"Comparative study of DC/DC electric vehicle charging system with conventional transformer and planar transformer","authors":"Maciej RUDAWSKIo","doi":"10.24425/aee.2023.145412","DOIUrl":"https://doi.org/10.24425/aee.2023.145412","url":null,"abstract":": This paper presents an analysis of electric vehicle charging station operation based on a dual active bridge topology. Two cases are considered: one with the use of a medium frequency planar transformer, the other with a conventional Litz winding trans-former.Ananalysiswasperformedusingbothsolutionsinordertocomparetheperformance characteristics of the system for both cases and to present the differences between each transformer solution. The analysis was based on tests carried out on the full-scale model of an electric vehicle charging station, which is the result of the project \"Electric vehicle charging system integrated with lighting infrastructure\" realized by the Department of Drives and Electrical Machines,","PeriodicalId":45464,"journal":{"name":"Archives of Electrical Engineering","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72433785","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Computation of electromagnetic forces in the windings of amorphous core transformers 非晶铁心变压器绕组电磁力的计算
IF 1.3
Archives of Electrical Engineering Pub Date : 2023-06-28 DOI: 10.24425/aee.2023.145423
B. A. D. Oan, T. H. O. D. Oan, D. U. T. U. o, T. U. -. O. L. E. o
{"title":"Computation of electromagnetic forces in the windings of amorphous core transformers","authors":"B. A. D. Oan, T. H. O. D. Oan, D. U. T. U. o, T. U. -. O. L. E. o","doi":"10.24425/aee.2023.145423","DOIUrl":"https://doi.org/10.24425/aee.2023.145423","url":null,"abstract":": Electromagnetic forces generated by the short circuit current and leakage flux in low-and high-voltage windings of distribution transformers as well as amorphous core transformers will cause the translation, destruction, and explosion of the windings. Thus, the investigation of these forces plays a significant role for researchers and manufacturers. Many authors have recently used the finite element method to analyze electromagnetic forces. In this paper, an analytic model is first developed for magnetic vector potential formulations to compute the electromagnetic forces (i.e., axial and radial forces) acting on the low-and high-voltage windings of an amorphous core transformer. The finite element technique is then presented to validate the results obtained from the analytical model. The developed model is applied to an actual problem.","PeriodicalId":45464,"journal":{"name":"Archives of Electrical Engineering","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80229739","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Indium-gallium-zinc oxide thin-film preparation via single-step radio frequency sputter deposition using mixed-oxide powder targets 混合氧化物粉末靶单步射频溅射制备铟镓锌氧化物薄膜
IF 1.3
Archives of Electrical Engineering Pub Date : 2023-06-28 DOI: 10.24425/aee.2023.145425
Akahiko, Atake, Iroharu, awasaki, Hin, I. ., Chi, Oqiu
{"title":"Indium-gallium-zinc oxide thin-film preparation via single-step radio frequency sputter deposition using mixed-oxide powder targets","authors":"Akahiko, Atake, Iroharu, awasaki, Hin, I. ., Chi, Oqiu","doi":"10.24425/aee.2023.145425","DOIUrl":"https://doi.org/10.24425/aee.2023.145425","url":null,"abstract":": Indium gallium zinc oxide (In–Ga–Zn–O) thin films, which are transparent conductive films for liquid crystals and electroluminescent displays, were fabricated via single-step sputter deposition using one target containing different proportions of indium oxide, gallium oxide, and zinc oxide powders. Experimental results suggest that the In–Ga–Zn–O thin films can be prepared using the method of single-step radio frequency (RF) sputter deposition, applying a powder target containing indium oxide, gallium oxide, and zinc oxide. The In–Ga–Zn–O thin films were prepared on Si substrates, and the deposition rate depended on the target composition. In these plasma processes, electron density and temperature were essentially independent of target composition. The prepared films were very smooth with a root-mean-square roughness of less than 10 nm. The crystallinity of the ZnO peak was observed in all the films; whereas the In and Ga peaks were not observed in the films prepared. The X-ray photoelectron spectroscopy of the films also revealed that the elemental concentration ratio of In–Ga–Zn–O thin films could be prepared using one target, and that can be easily controlled by ratios in the In 2 O 3 /Ga 2 O 3 /ZnO composition in the powder target. The transmittances were > 75% at 800 nm for all the target mixtures, and increased with increasing In 2 O 3 in the powder target.","PeriodicalId":45464,"journal":{"name":"Archives of Electrical Engineering","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90734035","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
146037 146037
IF 1.3
Archives of Electrical Engineering Pub Date : 2023-05-23 DOI: 10.24425/aee.2023.146037
{"title":"146037","authors":"","doi":"10.24425/aee.2023.146037","DOIUrl":"https://doi.org/10.24425/aee.2023.146037","url":null,"abstract":"","PeriodicalId":45464,"journal":{"name":"Archives of Electrical Engineering","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81128255","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The risk of large blackout failures in power systems 电力系统发生大规模停电故障的风险
IF 1.3
Archives of Electrical Engineering Pub Date : 2023-04-03 DOI: 10.24425/AEE.2019.128277
K. Sroka, Daria Złotecka
{"title":"The risk of large blackout failures in power systems","authors":"K. Sroka, Daria Złotecka","doi":"10.24425/AEE.2019.128277","DOIUrl":"https://doi.org/10.24425/AEE.2019.128277","url":null,"abstract":"","PeriodicalId":45464,"journal":{"name":"Archives of Electrical Engineering","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73876398","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Research on a novel hybrid shielding structure of magnetic coupler for inductive power transfer system 一种新型感应输电系统磁耦合器混合屏蔽结构的研究
IF 1.3
Archives of Electrical Engineering Pub Date : 2023-04-03 DOI: 10.24425/AEE.2021.136057
Yunrui Liu, Chunfang Wang, Dongwei Xia, Rui Yue
{"title":"Research on a novel hybrid shielding structure of magnetic coupler for inductive power transfer system","authors":"Yunrui Liu, Chunfang Wang, Dongwei Xia, Rui Yue","doi":"10.24425/AEE.2021.136057","DOIUrl":"https://doi.org/10.24425/AEE.2021.136057","url":null,"abstract":"With the development of wireless power transfer technology, more and more attention has been paid to its electromagnetic safety. In this paper, a novel hybrid shielding structure composed of the innermost fan-shaped ferrite, the interlayer nanocrystalline strip and the outermost aluminum foil is proposed to shield the electromagnetic field of the inductive power transfer system. Eight structure parameters of the proposed shielding are optimized by finite element simulation, in order to reduce the magnetic leakage of the system and improve the utilization rate of shielding materials. In addition, the proposed structure is compared with two types of typical double-layer hybrid shielding from the perspectives of the weight, the coupling coefficient and the magnetic flux leakage. Both simulation and experiment results show that the cost and weight of the proposed shield are about 60% lower than the traditional disk shield. Moreover, the shielding layer proposed in this paper can not only effectively reduce the magnetic flux leakage of the system, but also maintain a high coupling coefficient.","PeriodicalId":45464,"journal":{"name":"Archives of Electrical Engineering","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73915385","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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