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Topological Invariants of Hexagonal Cage Network by Using Algebraic Polynomials 利用代数多项式计算六角笼网络的拓扑不变式
Q1 Engineering Pub Date : 2024-03-11 DOI: 10.52783/pst.235
Muhammad Abdullah, Hasan Mahmood
In this article, we go beyond earlier limits in the analysis by using algebraic polynomials to compute the topological indices for hexagonal cage networks. We investigate hexagonal cage networks of different orders and copies by introducing M-Polynomials and Forgotten polynomials, and we derive novel closed formulae and conclusions for a broad range of topological indices. We also create an efficient technique to compute , a pivotal polynomial, as part of our work. In addition to computing, we apply algebraic polynomials to the analysis of these indices, providing more insights into their structural significance in hexagonal cage networks. This work illuminates the algebraic underpinnings of these intricate networks and broadens the scope of topological index computation, with implications for a variety of scientific domains. These polynomials allow us to calculate several features of the network, such as the first and second Zagreb, modified Zagreb, General Randić, inverse General Randić, harmonic, symmetric division, inverse sum, and so on. There are now new closed formulae and outcomes available. Additionally, we offer a technique for calculating the polynomial . We also use algebraic polynomials to analyses all of the aforementioned indices.
在本文中,我们通过使用代数多项式来计算六角笼网络的拓扑指数,超越了早期分析的局限。通过引入 M 多项式和遗忘多项式,我们研究了不同阶数和副本的六角笼网络,并推导出新的封闭公式和广泛拓扑指数的结论。作为我们工作的一部分,我们还创建了一种高效的技术来计算中枢多项式 。除了计算之外,我们还将代数多项式应用于这些指数的分析,从而更深入地了解它们在六角笼网络中的结构意义。这项工作阐明了这些错综复杂网络的代数基础,拓宽了拓扑指数计算的范围,对各种科学领域都有影响。通过这些多项式,我们可以计算网络的若干特征,如第一和第二萨格勒布、修正萨格勒布、一般兰迪克、逆一般兰迪克、谐波、对称除法、逆和等。现在又有了新的封闭公式和结果。此外,我们还提供了一种计算多项式 .我们还使用代数多项式来分析上述所有指数。
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引用次数: 0
Research of Refined Compensation Method on Shunt Active Power Filter 并联有源电力滤波器精细补偿方法的研究
Q1 Engineering Pub Date : 2018-04-08 DOI: 10.13335/j.1000-3673.pst.2017.1971
Zhao Xintao, Qiu Zhifeng, Yu Jingrong, Liao Yonggang, Gui Wei-hua
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引用次数: 1
Study on Main Connection Line and Main Circuit Parameters of ±1100kV UHVDC ±1100kV特高压直流主接线及主回路参数研究
Q1 Engineering Pub Date : 2018-04-08 DOI: 10.13335/J.1000-3673.PST.2017.1790
Li Zehong, Yu Jun, Gu Xianshan, Yue Bo, Zhao Zheng
Construction of ±1100kV UHVDC transmission channels from West to East in China is conducive to promote large scale optimal allocation of energy sources. In UHVDC transmission systems, main DC equipment development, project implementation, reliability level and power loss caused by converter outage are deeply impacted by main connection line of converter and main circuit parameters. This is also the most important step of project system research. Firstly, evaluation method of converter connection line of UHVDC projects are proposed in this paper. Secondly, according to previous project construction, equipment design and manufacturing experiences, three converter connection schemes are proposed and main circuit parameters are analyzed respectively based on each connection scheme. Finally, a proposed assessment method of converter main connection line is used to determine a reasonable and effective main connection topology for Changji-Guquan ±1100kV UHVDC project.
建设中国西向东±1100千伏特高压直流输电通道,有利于促进能源大规模优化配置。在特高压直流输电系统中,变流器主接线和主电路参数对主直流设备的开发、项目实施、可靠性水平和变流器停运造成的功率损失有着深刻的影响。这也是项目系统研究中最重要的一步。本文首先提出了特高压直流工程变流器接线的评价方法。其次,根据以往的工程建设、设备设计和制造经验,提出了三种变流器接线方案,并根据每种接线方案分别分析了主电路参数。最后,采用所提出的变流器主接线评估方法,为昌吉-古泉±1100kV特高压直流工程确定了一个合理有效的主接线拓扑。
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引用次数: 0
Synchronous Satellite Wide Area Monitoring for Overhead Transmission Line Wildfire and Tower Location 同步卫星广域监测架空输电线路野火与铁塔定位
Q1 Engineering Pub Date : 2018-04-08 DOI: 10.13335/J.1000-3673.PST.2017.1812
Liu Yu, Lu Jia-zheng, Luo Jing, Z. Guoyong, H. Lifu
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引用次数: 5
Reason Analysis of Decay-Like Aging for Composite Insulator 复合绝缘子类衰减老化原因分析
Q1 Engineering Pub Date : 2018-04-08 DOI: 10.13335/J.1000-3673.PST.2017.1661
Lu Ming, Zhang Zhonghao, Li Li, Liu Zhehui, Hua Kui, Yan Xiaocheng
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引用次数: 24
Influence of Transverse Wind on Ground-Level Electric Field and Ion Flow Profiles of Hybrid HVAC/HVDC Transmission Lines 横向风对暖通/直流混合输电线路地面电场及离子流分布的影响
Q1 Engineering Pub Date : 2018-04-08 DOI: 10.13335/J.1000-3673.PST.2017.1740
Qiao Ji, Lu Yao, Liu Zengxun, Zou Jun
{"title":"Influence of Transverse Wind on Ground-Level Electric Field and Ion Flow Profiles of Hybrid HVAC/HVDC Transmission Lines","authors":"Qiao Ji, Lu Yao, Liu Zengxun, Zou Jun","doi":"10.13335/J.1000-3673.PST.2017.1740","DOIUrl":"https://doi.org/10.13335/J.1000-3673.PST.2017.1740","url":null,"abstract":"","PeriodicalId":20420,"journal":{"name":"Power system technology","volume":"42 1","pages":"1234-1240"},"PeriodicalIF":0.0,"publicationDate":"2018-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46313412","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
Optimal Sizing of Energy Storage System for Wind Farms Combining Stochastic Programming and Sequential Monte Carlo Simulation 随机规划与序列蒙特卡罗模拟相结合的风电场储能系统优化规模
Q1 Engineering Pub Date : 2018-04-08 DOI: 10.13335/J.1000-3673.PST.2017.2421
Wu Weiping, Hu Zechun, Song Yong-hua
{"title":"Optimal Sizing of Energy Storage System for Wind Farms Combining Stochastic Programming and Sequential Monte Carlo Simulation","authors":"Wu Weiping, Hu Zechun, Song Yong-hua","doi":"10.13335/J.1000-3673.PST.2017.2421","DOIUrl":"https://doi.org/10.13335/J.1000-3673.PST.2017.2421","url":null,"abstract":"","PeriodicalId":20420,"journal":{"name":"Power system technology","volume":"42 1","pages":"1055-1062"},"PeriodicalIF":0.0,"publicationDate":"2018-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45306708","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: 13
A Joint Scheduling Strategy of CHP With Thermal Energy Storage and Wind Power to Reduce Sulfur and Nitrate Emission 热电联产与蓄热、风电联合调度策略降低硫硝排放
Q1 Engineering Pub Date : 2018-04-08 DOI: 10.13335/j.1000-3673.pst.2018.0026
Cui Yang, Y. Zhiwen, Zhong Wuzhi, Ye Xiaohui
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引用次数: 6
Markov Short-Term Load Forecasting Method for Power System With High Proportion Renewable Energy 高比例可再生能源电力系统的Markov短期负荷预测方法
Q1 Engineering Pub Date : 2018-04-08 DOI: 10.13335/J.1000-3673.PST.2017.2479
Z. Tao, Gu Jie
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引用次数: 5
Optimization of Intelligent Distribution Unit Placement to Improve Accuracy of Distribution Network State Estimation 优化智能配电单元布置提高配电网状态估计精度
Q1 Engineering Pub Date : 2018-04-08 DOI: 10.13335/J.1000-3673.PST.2017.1359
X. Hang, Ju Li, Dong Shufeng, He Zhongxiao, Li Dinghua, Ren Xuegui
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引用次数: 1
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