首页 > 最新文献

2021 IEEE Texas Power and Energy Conference (TPEC)最新文献

英文 中文
Low-order Moment Relaxation of ACOPF via Algorithmic Successive Linear Programming 基于算法连续线性规划的ACOPF低阶矩松弛
Pub Date : 2021-02-02 DOI: 10.1109/TPEC51183.2021.9384946
Meng Zhao, M. Barati
Nowadays, there is a critical and urgent need for developing smart and robust OPF solvers since the conventional options currently available for OPF problems are quite limited. This research is based on AC Optimal Power Flow (ACOPF) with active and reactive quadratically constrained quadratic programming optimization problems of a form that arises in operation and planning applications in power systems. Besides being non-convex, these problems are identified to be NP-hard. This paper first utilized semi-definite programming (SDP) relaxation to convexify the original ACOPF problems and then solve the SDP relaxation problem with “moment-based” algorithm to get the rank-1 solutions of the $W$ matrix. However, the computation time will increase exponentially with higher order of the moment matrix. To improve the computation efficiency, we added some penalty terms in the objective function to push the rank of the moment matrix reach to 1 by using the proposed SLP(SLPBB) algorithms. The proposed algorithm is verified by simulating on small scale test cases and NP-hard topologies in MATLAB. Also, the results were compared with the ones obtained by only using SLP (SLPBB) algorithms and the local solutions (The SLP and SLPBB algorithms were denoted as SLP(BB) afterwards). Numerical simulations illustrate that the SDP moment-based SLP(BB) algorithm can obtain the global optimal solutions which can guarantee the rank-1 solutions of the moment and $W$ matrices.
由于目前可用于OPF问题的常规选择非常有限,因此迫切需要开发智能且鲁棒的OPF求解器。本研究是基于交流最优潮流(ACOPF)的有功和无功二次约束二次规划优化问题,这是在电力系统的运行和规划应用中出现的一种形式。这些问题除了是非凸的,还被认为是np困难的。本文首先利用半定规划(SDP)松弛对原ACOPF问题进行凸化,然后利用“矩基”算法求解SDP松弛问题,得到$W$矩阵的秩1解。然而,随着矩矩阵阶数的增加,计算时间呈指数增长。为了提高计算效率,我们在目标函数中加入一些惩罚项,使用所提出的SLP(SLPBB)算法将矩矩阵的秩推至1。在MATLAB中对小尺度测试用例和NP-hard拓扑进行了仿真验证。并与仅使用SLP(SLPBB)算法和局部解(SLP和SLPBB算法分别记为SLP(BB))的结果进行了比较。数值仿真表明,基于SDP矩的SLP(BB)算法能够获得全局最优解,保证矩矩阵和$W$矩阵的秩1解。
{"title":"Low-order Moment Relaxation of ACOPF via Algorithmic Successive Linear Programming","authors":"Meng Zhao, M. Barati","doi":"10.1109/TPEC51183.2021.9384946","DOIUrl":"https://doi.org/10.1109/TPEC51183.2021.9384946","url":null,"abstract":"Nowadays, there is a critical and urgent need for developing smart and robust OPF solvers since the conventional options currently available for OPF problems are quite limited. This research is based on AC Optimal Power Flow (ACOPF) with active and reactive quadratically constrained quadratic programming optimization problems of a form that arises in operation and planning applications in power systems. Besides being non-convex, these problems are identified to be NP-hard. This paper first utilized semi-definite programming (SDP) relaxation to convexify the original ACOPF problems and then solve the SDP relaxation problem with “moment-based” algorithm to get the rank-1 solutions of the $W$ matrix. However, the computation time will increase exponentially with higher order of the moment matrix. To improve the computation efficiency, we added some penalty terms in the objective function to push the rank of the moment matrix reach to 1 by using the proposed SLP(SLPBB) algorithms. The proposed algorithm is verified by simulating on small scale test cases and NP-hard topologies in MATLAB. Also, the results were compared with the ones obtained by only using SLP (SLPBB) algorithms and the local solutions (The SLP and SLPBB algorithms were denoted as SLP(BB) afterwards). Numerical simulations illustrate that the SDP moment-based SLP(BB) algorithm can obtain the global optimal solutions which can guarantee the rank-1 solutions of the moment and $W$ matrices.","PeriodicalId":354018,"journal":{"name":"2021 IEEE Texas Power and Energy Conference (TPEC)","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129366075","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: 3
An Interleaved High Step-Up DC-DC Converter Based on Combination of Coupled Inductor and Built-in Transformer for Photovoltaic-Grid Electric Vehicle DC Fast Charging Systems 基于耦合电感和内置变压器组合的交错高升压DC-DC变换器用于光伏-电网电动汽车直流快速充电系统
Pub Date : 2021-02-02 DOI: 10.1109/TPEC51183.2021.9384943
Ramin Rahimi, Saeed Habibi, P. Shamsi, M. Ferdowsi
This paper introduces a high step-up DC-DC converter for the integration of the photovoltaic (PV) energy into the electric vehicle (EV) DC fast charging systems. The proposed converter has an interleaved structure using the integration of coupled inductor (CI), built-in transformer (BIT), and switched-capacitor concepts to achieve high-voltage gain, low current and voltage stresses on the power switches and diodes, and high efficiency. The reverse-recovery problem of all diodes is solved due to the presence of the leakage inductances of CI and BIT. Operation modes and steady-state analysis of the proposed converter in the continuous conduction mode (CCM) are presented. To verify the merits of the proposed converter, a comparison between the proposed converter and other related converters is performed. Furthermore, an 800 W converter with the input voltage of 40 V and the output voltage of 800 V is simulated in PLECS Blockset to validate the theoretical analyses.
介绍了一种用于将光伏能量集成到电动汽车直流快速充电系统中的高升压DC-DC变换器。所提出的变换器采用交错结构,采用耦合电感(CI)、内置变压器(BIT)和开关电容概念的集成,以实现高电压增益,功率开关和二极管的低电流和电压应力,以及高效率。由于CI和BIT的漏电感的存在,解决了所有二极管的反向恢复问题。给出了该变换器在连续导通模式(CCM)下的工作模式和稳态分析。为了验证所提出的变换器的优点,将所提出的变换器与其他相关变换器进行了比较。最后,在PLECS Blockset中对输入电压为40 V、输出电压为800 V的800w变换器进行了仿真,验证了理论分析的正确性。
{"title":"An Interleaved High Step-Up DC-DC Converter Based on Combination of Coupled Inductor and Built-in Transformer for Photovoltaic-Grid Electric Vehicle DC Fast Charging Systems","authors":"Ramin Rahimi, Saeed Habibi, P. Shamsi, M. Ferdowsi","doi":"10.1109/TPEC51183.2021.9384943","DOIUrl":"https://doi.org/10.1109/TPEC51183.2021.9384943","url":null,"abstract":"This paper introduces a high step-up DC-DC converter for the integration of the photovoltaic (PV) energy into the electric vehicle (EV) DC fast charging systems. The proposed converter has an interleaved structure using the integration of coupled inductor (CI), built-in transformer (BIT), and switched-capacitor concepts to achieve high-voltage gain, low current and voltage stresses on the power switches and diodes, and high efficiency. The reverse-recovery problem of all diodes is solved due to the presence of the leakage inductances of CI and BIT. Operation modes and steady-state analysis of the proposed converter in the continuous conduction mode (CCM) are presented. To verify the merits of the proposed converter, a comparison between the proposed converter and other related converters is performed. Furthermore, an 800 W converter with the input voltage of 40 V and the output voltage of 800 V is simulated in PLECS Blockset to validate the theoretical analyses.","PeriodicalId":354018,"journal":{"name":"2021 IEEE Texas Power and Energy Conference (TPEC)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124051986","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: 8
Transient Stability Assessment of a Power System Using Multi-layer SVM Method 基于多层支持向量机的电力系统暂态稳定评估
Pub Date : 2021-02-02 DOI: 10.1109/TPEC51183.2021.9384918
Qilin Wang, C. Pang, Hashim Alnami
With the rapid growth of power systems, more large interconnections and the integration of large renewable energies make the systems more complicated. Therefore, transient stability assessment (TSA) has always been considered as one of the top challenges to ensure the security and operation of power systems. The development of Artificial Intelligence (AI) technologies, such as Artificial Neural Network (ANN) and Support Vector Machine (SVM) have been drawn attentions to the power industry recently. Compared with traditional SVM, this paper presents an advanced TSA system using Multi-layer Support Vector Machine (ML-SVM) method. Basically, a Genetic Algorithm (GA) is used in ML-SVM to identify the valued feature subsets with varying numbers of features which makes full use of the input information. Transient stabilities of the system are determined based on the generator relative rotor angles obtained from the time-domain simulation. Data from the time-domain simulation are used as the inputs for ML-SVM training and testing. Then these trained SVMs are integrated to assess the transient stability of the power system. The simulation results show that the proposed method can reduce the possibility of misclassification of the system. Case study of IEEE 9-bus system on PowerWorld Simulator illustrates the effectiveness of the proposed approach.
随着电力系统的快速发展,更大规模的互联和大型可再生能源的并网使得系统更加复杂。因此,暂态稳定评估(TSA)一直被认为是确保电力系统安全运行的首要挑战之一。近年来,人工神经网络(ANN)、支持向量机(SVM)等人工智能(AI)技术的发展备受电力行业的关注。与传统支持向量机(SVM)相比,本文提出了一种基于多层支持向量机(ML-SVM)的先进TSA系统。在ML-SVM中,基本采用遗传算法(GA)来识别具有不同数量特征的有值特征子集,充分利用了输入信息。根据时域仿真得到的发电机转子相对角度确定系统的暂态稳定性。时域仿真数据作为ML-SVM训练和测试的输入。然后将这些训练好的支持向量机集成到电力系统暂态稳定评估中。仿真结果表明,该方法可以降低系统误分类的可能性。在PowerWorld模拟器上对IEEE 9总线系统进行了实例分析,验证了该方法的有效性。
{"title":"Transient Stability Assessment of a Power System Using Multi-layer SVM Method","authors":"Qilin Wang, C. Pang, Hashim Alnami","doi":"10.1109/TPEC51183.2021.9384918","DOIUrl":"https://doi.org/10.1109/TPEC51183.2021.9384918","url":null,"abstract":"With the rapid growth of power systems, more large interconnections and the integration of large renewable energies make the systems more complicated. Therefore, transient stability assessment (TSA) has always been considered as one of the top challenges to ensure the security and operation of power systems. The development of Artificial Intelligence (AI) technologies, such as Artificial Neural Network (ANN) and Support Vector Machine (SVM) have been drawn attentions to the power industry recently. Compared with traditional SVM, this paper presents an advanced TSA system using Multi-layer Support Vector Machine (ML-SVM) method. Basically, a Genetic Algorithm (GA) is used in ML-SVM to identify the valued feature subsets with varying numbers of features which makes full use of the input information. Transient stabilities of the system are determined based on the generator relative rotor angles obtained from the time-domain simulation. Data from the time-domain simulation are used as the inputs for ML-SVM training and testing. Then these trained SVMs are integrated to assess the transient stability of the power system. The simulation results show that the proposed method can reduce the possibility of misclassification of the system. Case study of IEEE 9-bus system on PowerWorld Simulator illustrates the effectiveness of the proposed approach.","PeriodicalId":354018,"journal":{"name":"2021 IEEE Texas Power and Energy Conference (TPEC)","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126357808","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: 5
A novel methodology to validate cyberattacks and evaluate their impact on power systems using real time digital simulation 一种利用实时数字仿真验证网络攻击并评估其对电力系统影响的新方法
Pub Date : 2021-02-02 DOI: 10.1109/TPEC51183.2021.9384911
S. Hussain, A. Iqbal, S. Zanero, S. M. Suhail Hussain, Abdullatif Shikfa, E. Ragaini, R. Alammari, I. Khan
The traditional power systems are rapidly digitalized and automated for increased monitoring and control. This automation of power system communication has made it possible to monitor and control operations remotely in a plant. However, this also opens up an exploitation vector for attackers, after they gain access to the substation network. This scenario can only be investigated through an in-depth study of communication protocols and control authority concepts associated with power system. IEC 61850 has emerged as the most popular protocol for power system communication. In this paper, we investigate realtime simulation of power systems with IEC 61850 based communication, in order to devise a testbed that can be used to validate false data injection cyberattacks and evaluate their impact. Based on the results, we discuss possible countermeasures to such attacks and outline future research directions.
传统的电力系统正在迅速数字化和自动化,以增加监测和控制。电力系统通信的自动化使得远程监视和控制工厂的运行成为可能。然而,这也为攻击者在获得对变电站网络的访问权限后打开了一个利用向量。这种情况只能通过深入研究与电力系统相关的通信协议和控制权限概念来研究。IEC 61850已成为电力系统通信中最流行的协议。在本文中,我们研究了基于IEC 61850通信的电力系统的实时仿真,以便设计一个可用于验证虚假数据注入网络攻击并评估其影响的测试平台。基于这些结果,我们讨论了可能的应对措施,并概述了未来的研究方向。
{"title":"A novel methodology to validate cyberattacks and evaluate their impact on power systems using real time digital simulation","authors":"S. Hussain, A. Iqbal, S. Zanero, S. M. Suhail Hussain, Abdullatif Shikfa, E. Ragaini, R. Alammari, I. Khan","doi":"10.1109/TPEC51183.2021.9384911","DOIUrl":"https://doi.org/10.1109/TPEC51183.2021.9384911","url":null,"abstract":"The traditional power systems are rapidly digitalized and automated for increased monitoring and control. This automation of power system communication has made it possible to monitor and control operations remotely in a plant. However, this also opens up an exploitation vector for attackers, after they gain access to the substation network. This scenario can only be investigated through an in-depth study of communication protocols and control authority concepts associated with power system. IEC 61850 has emerged as the most popular protocol for power system communication. In this paper, we investigate realtime simulation of power systems with IEC 61850 based communication, in order to devise a testbed that can be used to validate false data injection cyberattacks and evaluate their impact. Based on the results, we discuss possible countermeasures to such attacks and outline future research directions.","PeriodicalId":354018,"journal":{"name":"2021 IEEE Texas Power and Energy Conference (TPEC)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126425985","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: 5
The Use of Geographic Data Views to Help With Wide-Area Electric Grid Situational Awareness 利用地理数据视图帮助广域电网态势感知
Pub Date : 2021-02-02 DOI: 10.1109/TPEC51183.2021.9384951
T. Overbye, Jessica L. Wert, K. Shetye, F. Safdarian, A. Birchfield
The paper presents the use of geographic data views (GDVs) to help improve large-scale electric grid situational awareness for power flow and time-domain simulations. GDVs are electric grid display objects whose location is dynamically determined from geographic information embedded in an electric grid model. The paper provides examples using a 2000-bus and an 82,000-bus synthetic electric grid to show how GDVs can be used to help provide wide area understanding of values such as generator outputs, switched shunt values, voltages, and transmission line flows. It also shows the application of force-directed layout of GDVs and GDV summary objects.
本文介绍了地理数据视图(GDVs)的使用,以帮助提高大规模电网潮流和时域模拟的态势感知。GDVs是电网显示对象,其位置由嵌入在电网模型中的地理信息动态确定。本文提供了使用2000总线和82000总线合成电网的示例,以显示如何使用gdv来帮助提供对诸如发电机输出,开关分流值,电压和传输线流量等值的广泛理解。给出了GDV和GDV摘要对象的定向力布局的应用。
{"title":"The Use of Geographic Data Views to Help With Wide-Area Electric Grid Situational Awareness","authors":"T. Overbye, Jessica L. Wert, K. Shetye, F. Safdarian, A. Birchfield","doi":"10.1109/TPEC51183.2021.9384951","DOIUrl":"https://doi.org/10.1109/TPEC51183.2021.9384951","url":null,"abstract":"The paper presents the use of geographic data views (GDVs) to help improve large-scale electric grid situational awareness for power flow and time-domain simulations. GDVs are electric grid display objects whose location is dynamically determined from geographic information embedded in an electric grid model. The paper provides examples using a 2000-bus and an 82,000-bus synthetic electric grid to show how GDVs can be used to help provide wide area understanding of values such as generator outputs, switched shunt values, voltages, and transmission line flows. It also shows the application of force-directed layout of GDVs and GDV summary objects.","PeriodicalId":354018,"journal":{"name":"2021 IEEE Texas Power and Energy Conference (TPEC)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127848609","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
Monopolar operation of Modular Multilevel DC-DC Converter Based Hybrid Bipolar HVDC Links 基于混合双极HVDC链路的模块化多电平DC-DC变换器的单极运行
Pub Date : 2021-02-02 DOI: 10.1109/TPEC51183.2021.9384953
Saurav Dey, T. Bhattacharya
Modular multilevel converter has been identified as an effective solution for bidirectional power flow between line commutated converter (LCC) and voltage source converter (VSC) based high voltage dc (HVdc) links which has encouraged multi-terminal bipolar operation in HVdc transmission. This paper introduces topological modification and novel philosophy of operation for an existing modular dc-dc converter topology for operation between monopolar VSC and bipolar LCC based dc links. The effectiveness of the philosophy is demonstrated in multi-terminal operation by simulation in MATLAB/Simulink platform.
模块化多电平变换器是解决线路整流变换器(LCC)和基于电压源变换器(VSC)的高压直流(HVdc)链路之间双向潮流的有效方法,促进了高压直流输电的多端双极运行。本文介绍了在单极VSC和双极LCC直流链路之间工作的现有模块化dc-dc转换器拓扑的拓扑修改和新的工作原理。通过MATLAB/Simulink平台的仿真,验证了该思想在多终端操作中的有效性。
{"title":"Monopolar operation of Modular Multilevel DC-DC Converter Based Hybrid Bipolar HVDC Links","authors":"Saurav Dey, T. Bhattacharya","doi":"10.1109/TPEC51183.2021.9384953","DOIUrl":"https://doi.org/10.1109/TPEC51183.2021.9384953","url":null,"abstract":"Modular multilevel converter has been identified as an effective solution for bidirectional power flow between line commutated converter (LCC) and voltage source converter (VSC) based high voltage dc (HVdc) links which has encouraged multi-terminal bipolar operation in HVdc transmission. This paper introduces topological modification and novel philosophy of operation for an existing modular dc-dc converter topology for operation between monopolar VSC and bipolar LCC based dc links. The effectiveness of the philosophy is demonstrated in multi-terminal operation by simulation in MATLAB/Simulink platform.","PeriodicalId":354018,"journal":{"name":"2021 IEEE Texas Power and Energy Conference (TPEC)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115660913","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
Simulation of Polymeric Insulators Ageing Induced by the Impact Energy of Electrons During Partial Discharge Activity 局部放电过程中电子冲击能量对聚合物绝缘子老化的影响
Pub Date : 2021-02-02 DOI: 10.1109/TPEC51183.2021.9384986
J. M. Rodríguez-Serna, Ricardo Albarracín‐Sánchez
The economic and reliable sizing of High-Voltage (HV) insulation systems requires the evaluation of the expected life when they are under normal stresses. However, when solid dielectric polymers are used, organic materials in general, Partial Discharges (PDs) activity in cavities inside the dielectric bulk accelerates the ageing process due to chemical and physical degradation mechanisms. On the other hand, prognosis tools based on external PD measurements are required in order to take decisions about the maintenance actions. In this work, a study on the degradation rate driven by the impact energy of electrons during PDs, a method based on simulations and a proposed degradation function are presented. Comparisons of calculated life obtained from measurements show good agreement. Additionally, a diagnostic quantity based on the induced PD current is proposed.
高压(HV)绝缘系统的经济和可靠的尺寸要求评估其在正常应力下的预期寿命。然而,当使用固体介电聚合物时,一般来说,有机材料在介电体内部的空腔中的局部放电(pd)活性由于化学和物理降解机制而加速了老化过程。另一方面,需要基于外部PD测量的预测工具,以便对维护操作做出决策。本文研究了电子冲击能量驱动的降解速率,提出了一种基于仿真的降解方法,并提出了一种降解函数。与实测计算寿命比较,结果吻合较好。此外,还提出了基于感应PD电流的诊断量。
{"title":"Simulation of Polymeric Insulators Ageing Induced by the Impact Energy of Electrons During Partial Discharge Activity","authors":"J. M. Rodríguez-Serna, Ricardo Albarracín‐Sánchez","doi":"10.1109/TPEC51183.2021.9384986","DOIUrl":"https://doi.org/10.1109/TPEC51183.2021.9384986","url":null,"abstract":"The economic and reliable sizing of High-Voltage (HV) insulation systems requires the evaluation of the expected life when they are under normal stresses. However, when solid dielectric polymers are used, organic materials in general, Partial Discharges (PDs) activity in cavities inside the dielectric bulk accelerates the ageing process due to chemical and physical degradation mechanisms. On the other hand, prognosis tools based on external PD measurements are required in order to take decisions about the maintenance actions. In this work, a study on the degradation rate driven by the impact energy of electrons during PDs, a method based on simulations and a proposed degradation function are presented. Comparisons of calculated life obtained from measurements show good agreement. Additionally, a diagnostic quantity based on the induced PD current is proposed.","PeriodicalId":354018,"journal":{"name":"2021 IEEE Texas Power and Energy Conference (TPEC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130860196","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
Experimental Implementation of PLL for Free-Piston Engine Application 锁相环在自由活塞发动机中的实验实现
Pub Date : 2021-02-02 DOI: 10.1109/TPEC51183.2021.9384914
Fereshteh Mahmudzadeh, J. Subramanian, P. Famouri
Linear generators use linear motion to produce electricity, whereas conventional rotary generators use rotary motion to produce electricity. Their alternative configuration gives them superiority in system efficiency and reliability over their traditional counterpart. Incorporating the linear alternator in a free-piston engine system to utilize the linear motion has been studied in the past. This paper presents an implementation and instrumentation of a control technique for a single-phase tubular permanent magnet linear alternator in a Free Piston Engines (FPE) system. A minimum amount of mechanical energy is required to provide a minimal engine compression ratio to start the engine and electricity generation. To provide adequate energy, a start-up mechanism has been implemented to start running the engine by reaching the required displacement through the electrical linear motor. The technique has been implemented and tested on a real machine, software and hardware implementations are described, and results are presented.
直线发电机利用直线运动发电,而传统的旋转发电机利用旋转运动发电。它们的替代配置使它们在系统效率和可靠性方面优于传统的同类产品。在自由活塞发动机系统中加入线性交流发电机,利用直线运动的研究在过去已经有过。本文介绍了一种用于自由活塞发动机(FPE)系统的单相管状永磁直线交流发电机控制技术的实现和测试。需要最少的机械能来提供最小的发动机压缩比来启动发动机和发电。为了提供足够的能量,已经实施了启动机制,通过电动直线电机达到所需的排量来启动发动机。该技术已在一台实际机器上进行了实现和测试,并给出了软件和硬件的实现,并给出了结果。
{"title":"Experimental Implementation of PLL for Free-Piston Engine Application","authors":"Fereshteh Mahmudzadeh, J. Subramanian, P. Famouri","doi":"10.1109/TPEC51183.2021.9384914","DOIUrl":"https://doi.org/10.1109/TPEC51183.2021.9384914","url":null,"abstract":"Linear generators use linear motion to produce electricity, whereas conventional rotary generators use rotary motion to produce electricity. Their alternative configuration gives them superiority in system efficiency and reliability over their traditional counterpart. Incorporating the linear alternator in a free-piston engine system to utilize the linear motion has been studied in the past. This paper presents an implementation and instrumentation of a control technique for a single-phase tubular permanent magnet linear alternator in a Free Piston Engines (FPE) system. A minimum amount of mechanical energy is required to provide a minimal engine compression ratio to start the engine and electricity generation. To provide adequate energy, a start-up mechanism has been implemented to start running the engine by reaching the required displacement through the electrical linear motor. The technique has been implemented and tested on a real machine, software and hardware implementations are described, and results are presented.","PeriodicalId":354018,"journal":{"name":"2021 IEEE Texas Power and Energy Conference (TPEC)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123397707","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
Conceptualization of Unified Automation Architecture for Photovoltaic based Greenhouse 光伏温室统一自动化体系结构构想
Pub Date : 2021-02-02 DOI: 10.1109/TPEC51183.2021.9384966
A. Tomar
Greenhouse (GH) internal environmental parameters like temperature, humidity, ventilation, irrigation, fertigation, and photosynthesis are non-linear and have high interdependencies. A low cost yet efficient automation architecture is highly desirable for GH applications to reduce the farming dependencies on external atmospheric conditions and rain. The proposed integrated automated photovoltaic greenhouse (PV-GH) work is divided into four parts: (1) conceptualization of the automation architecture; (2) design and demonstration; (3) electrical energy performance analysis; (4) validation through crop yield analysis. In this paper, a unified automation architecture for PV -GH is proposed considering temperature, humidity, ventilation, irrigation, fertigation, and photosynthesis control and monitoring in an integrated manner. The presented conceptualization of automation architecture (the first part of the proposed work) for a standalone PV -GH is simple in nature and execution, however, it is effective and low cost. Besides maintaining the required environmental conditions within PV -GH internal environment, the proposed automation architecture also reduces the amount of water required for irrigation and increases the effective photosynthesis duration by four hours per day. Microcontroller ATmega 2560 hardware-based coordinated, unified control and monitoring architecture is developed to manage the PV-GH internal parameters within defined boundary conditions.
温室内部环境参数如温度、湿度、通风、灌溉、施肥和光合作用是非线性的,具有高度的相互依赖性。低成本而高效的自动化架构对于GH应用来说是非常理想的,以减少农业对外部大气条件和降雨的依赖。提出的集成自动化光伏温室(PV-GH)工作分为四个部分:(1)自动化架构的概念化;(二)设计论证;(3)电能性能分析;(4)通过作物产量分析进行验证。本文提出了一个综合考虑温度、湿度、通风、灌溉、施肥和光合作用控制与监测的PV -GH统一自动化体系结构。为独立PV -GH提出的自动化架构概念化(建议工作的第一部分)在性质和执行上都很简单,但是,它是有效和低成本的。除了在PV -GH内部环境中维持所需的环境条件外,所提出的自动化架构还减少了灌溉所需的水量,并将每天的有效光合作用持续时间增加了4小时。开发了基于微控制器ATmega 2560硬件的协调,统一控制和监控架构,以在定义的边界条件下管理PV-GH内部参数。
{"title":"Conceptualization of Unified Automation Architecture for Photovoltaic based Greenhouse","authors":"A. Tomar","doi":"10.1109/TPEC51183.2021.9384966","DOIUrl":"https://doi.org/10.1109/TPEC51183.2021.9384966","url":null,"abstract":"Greenhouse (GH) internal environmental parameters like temperature, humidity, ventilation, irrigation, fertigation, and photosynthesis are non-linear and have high interdependencies. A low cost yet efficient automation architecture is highly desirable for GH applications to reduce the farming dependencies on external atmospheric conditions and rain. The proposed integrated automated photovoltaic greenhouse (PV-GH) work is divided into four parts: (1) conceptualization of the automation architecture; (2) design and demonstration; (3) electrical energy performance analysis; (4) validation through crop yield analysis. In this paper, a unified automation architecture for PV -GH is proposed considering temperature, humidity, ventilation, irrigation, fertigation, and photosynthesis control and monitoring in an integrated manner. The presented conceptualization of automation architecture (the first part of the proposed work) for a standalone PV -GH is simple in nature and execution, however, it is effective and low cost. Besides maintaining the required environmental conditions within PV -GH internal environment, the proposed automation architecture also reduces the amount of water required for irrigation and increases the effective photosynthesis duration by four hours per day. Microcontroller ATmega 2560 hardware-based coordinated, unified control and monitoring architecture is developed to manage the PV-GH internal parameters within defined boundary conditions.","PeriodicalId":354018,"journal":{"name":"2021 IEEE Texas Power and Energy Conference (TPEC)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125291647","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
Design of STATCOM Damping Controller Using Teaching Learning Based Optimization 基于教学优化的STATCOM阻尼控制器设计
Pub Date : 2021-02-02 DOI: 10.1109/TPEC51183.2021.9384930
Saad Abdul Basit, M. A. Abido
In this paper, power system dynamic stability was enhanced by damping electromechanical oscillations using STATCOM based supplementary power oscillation damping (POD) controller. The non-linear model of the system was derived and then linearized to derive the system closed loop state matrix for eigenvalue analysis. The supplementary POD controller for STATCOM was designed and formulated as an optimization problem and the controller parameters were optimized using teaching-learning-based optimization (TLBO) algorithm. The proposed POD controller performance was verified in time domain simulation. The result shows that the proposed STATCOM POD controller was effective over different operating conditions in enhancing the dynamic stability of power system by damping electromechanical power system oscillations. The TLBO was also compared with other heuristics optimization techniques to validate its superiority.
采用基于STATCOM的补充功率振荡阻尼(POD)控制器,通过阻尼机电振荡来提高电力系统的动态稳定性。首先建立系统的非线性模型,然后对其进行线性化,得到系统闭环状态矩阵,用于特征值分析。将STATCOM辅助POD控制器设计为优化问题,采用基于教学的优化算法(TLBO)对控制器参数进行优化。通过时域仿真验证了所提POD控制器的性能。结果表明,所提出的STATCOM POD控制器能有效地抑制电力系统的机电振荡,提高电力系统在不同运行条件下的动态稳定性。通过对其他启发式优化方法的比较,验证了该方法的优越性。
{"title":"Design of STATCOM Damping Controller Using Teaching Learning Based Optimization","authors":"Saad Abdul Basit, M. A. Abido","doi":"10.1109/TPEC51183.2021.9384930","DOIUrl":"https://doi.org/10.1109/TPEC51183.2021.9384930","url":null,"abstract":"In this paper, power system dynamic stability was enhanced by damping electromechanical oscillations using STATCOM based supplementary power oscillation damping (POD) controller. The non-linear model of the system was derived and then linearized to derive the system closed loop state matrix for eigenvalue analysis. The supplementary POD controller for STATCOM was designed and formulated as an optimization problem and the controller parameters were optimized using teaching-learning-based optimization (TLBO) algorithm. The proposed POD controller performance was verified in time domain simulation. The result shows that the proposed STATCOM POD controller was effective over different operating conditions in enhancing the dynamic stability of power system by damping electromechanical power system oscillations. The TLBO was also compared with other heuristics optimization techniques to validate its superiority.","PeriodicalId":354018,"journal":{"name":"2021 IEEE Texas Power and Energy Conference (TPEC)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117140808","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
期刊
2021 IEEE Texas Power and Energy Conference (TPEC)
全部 Acc. Chem. Res. ACS Applied Bio Materials ACS Appl. Electron. Mater. ACS Appl. Energy Mater. ACS Appl. Mater. Interfaces ACS Appl. Nano Mater. ACS Appl. Polym. Mater. ACS BIOMATER-SCI ENG ACS Catal. ACS Cent. Sci. ACS Chem. Biol. ACS Chemical Health & Safety ACS Chem. Neurosci. ACS Comb. Sci. ACS Earth Space Chem. ACS Energy Lett. ACS Infect. Dis. ACS Macro Lett. ACS Mater. Lett. ACS Med. Chem. Lett. ACS Nano ACS Omega ACS Photonics ACS Sens. ACS Sustainable Chem. Eng. ACS Synth. Biol. Anal. Chem. BIOCHEMISTRY-US Bioconjugate Chem. BIOMACROMOLECULES Chem. Res. Toxicol. Chem. Rev. Chem. Mater. CRYST GROWTH DES ENERG FUEL Environ. Sci. Technol. Environ. Sci. Technol. Lett. Eur. J. Inorg. Chem. IND ENG CHEM RES Inorg. Chem. J. Agric. Food. Chem. J. Chem. Eng. Data J. Chem. Educ. J. Chem. Inf. Model. J. Chem. Theory Comput. J. Med. Chem. J. Nat. Prod. J PROTEOME RES J. Am. Chem. Soc. LANGMUIR MACROMOLECULES Mol. Pharmaceutics Nano Lett. Org. Lett. ORG PROCESS RES DEV ORGANOMETALLICS J. Org. Chem. J. Phys. Chem. J. Phys. Chem. A J. Phys. Chem. B J. Phys. Chem. C J. Phys. Chem. Lett. Analyst Anal. Methods Biomater. Sci. Catal. Sci. Technol. Chem. Commun. Chem. Soc. Rev. CHEM EDUC RES PRACT CRYSTENGCOMM Dalton Trans. Energy Environ. Sci. ENVIRON SCI-NANO ENVIRON SCI-PROC IMP ENVIRON SCI-WAT RES Faraday Discuss. Food Funct. Green Chem. Inorg. Chem. Front. Integr. Biol. J. Anal. At. Spectrom. J. Mater. Chem. A J. Mater. Chem. B J. Mater. Chem. C Lab Chip Mater. Chem. Front. Mater. Horiz. MEDCHEMCOMM Metallomics Mol. Biosyst. Mol. Syst. Des. Eng. Nanoscale Nanoscale Horiz. Nat. Prod. Rep. New J. Chem. Org. Biomol. Chem. Org. Chem. Front. PHOTOCH PHOTOBIO SCI PCCP Polym. Chem.
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
0
微信
客服QQ
Book学术公众号 扫码关注我们
反馈
×
意见反馈
请填写您的意见或建议
请填写您的手机或邮箱
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
Book学术官方微信
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术
文献互助 智能选刊 最新文献 互助须知 联系我们:info@booksci.cn
Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。
Copyright © 2023 Book学术 All rights reserved.
ghs 京公网安备 11010802042870号 京ICP备2023020795号-1