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Impact of Grounding Conditions on Power Electronic Interfaces in a DC Microgrid 接地条件对直流微电网电力电子接口的影响
2023 IEEE Texas Power and Energy Conference (TPEC) Pub Date : 2023-02-13 DOI: 10.1109/TPEC56611.2023.10078450
Mohadeseh Naghizadeh, E. Farjah, T. Ghanbari, E. Muljadi
{"title":"Impact of Grounding Conditions on Power Electronic Interfaces in a DC Microgrid","authors":"Mohadeseh Naghizadeh, E. Farjah, T. Ghanbari, E. Muljadi","doi":"10.1109/TPEC56611.2023.10078450","DOIUrl":"https://doi.org/10.1109/TPEC56611.2023.10078450","url":null,"abstract":"This paper analyses DC and AC fault transients in DC microgrids using voltage source converters as power electronic interfaces. DC microgrid structure and grounding resistance have considerable impact on overcurrent and overvoltage transients experienced by power electronic converters. Therefore, grounding resistance monitoring in real time and simulation of grounding structure impacts on overvoltage and overcurrent transients are crucial. For this purpose, new models for two-level voltage source converters are proposed under different AC and DC fault conditions. The considered faults include single phase to ground, double lines to ground, positive pole to ground, and negative pole to ground faults. Using the derived models, the impact of different grounding methods on the transients experienced by the switches is examined in detail.","PeriodicalId":183284,"journal":{"name":"2023 IEEE Texas Power and Energy Conference (TPEC)","volume":"137 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115277136","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
An Efficient Model for Optimal Allocation of Renewable Energy Sources in Distribution Networks with Variable Loads 变负荷配电网中可再生能源优化配置的有效模型
2023 IEEE Texas Power and Energy Conference (TPEC) Pub Date : 2023-02-13 DOI: 10.1109/TPEC56611.2023.10078511
M. Mahdavi, K. Schmitt, Stephen B. Bayne, M. Chamana
{"title":"An Efficient Model for Optimal Allocation of Renewable Energy Sources in Distribution Networks with Variable Loads","authors":"M. Mahdavi, K. Schmitt, Stephen B. Bayne, M. Chamana","doi":"10.1109/TPEC56611.2023.10078511","DOIUrl":"https://doi.org/10.1109/TPEC56611.2023.10078511","url":null,"abstract":"Operational costs are affected by energy losses of distribution systems, in which these losses are higher than those of the transmission system. The placement of distributed generation (DG) units in power distribution networks is an efficient way of energy loss reduction. Today, DG penetration in distribution systems is increasing because of the great effect of renewable energy resources on environmental sustainability. Power demand variations have an essential role in the determination of energy losses amount and optimal generation of DGs. Besides, considering the variability of load level in the DG allocation problem raises the burden and computational time substantially. Therefore, this paper proposes an effective DG allocation strategy for energy loss minimization in the presence of variable power demand. The evaluation of numerical results indicates the desired performance of the presented framework for the optimal placement of DG units in distribution systems with time-varying loads.","PeriodicalId":183284,"journal":{"name":"2023 IEEE Texas Power and Energy Conference (TPEC)","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114133455","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
MV Propulsion Drive using Solid State Transformer (SST) Technology 采用固态变压器(SST)技术的中压推进驱动
2023 IEEE Texas Power and Energy Conference (TPEC) Pub Date : 2023-02-13 DOI: 10.1109/TPEC56611.2023.10078474
Himanshu Patel, S. Bhawal, K. Hatua
{"title":"MV Propulsion Drive using Solid State Transformer (SST) Technology","authors":"Himanshu Patel, S. Bhawal, K. Hatua","doi":"10.1109/TPEC56611.2023.10078474","DOIUrl":"https://doi.org/10.1109/TPEC56611.2023.10078474","url":null,"abstract":"High frequency (50-100 kHz) power electronic converters enable attractive technology for various motor drive applications where the weight and size are largely constrained, like marine propulsion systems. SiC-based converters are the most suitable choice for high-frequency applications because of their lower switching losses than Si-IGBT based converters. However, the SiC-based MV multilevel converter solution for high-power applications is very costly in the current scenario. This paper presents a three stage (LV/DC-DC/MV) Solid State Transformer(SST) fed field oriented controlled (FOC) induction motor drive. In order to minimise cost and electrical losses, Si-IGBT and SiC devices are adopted, and a novel hybrid modulation technique is proposed for the MV stage. The MV stage of the SST-fed drive is realised with an Si-IGBT based Cascaded H-Bridge (CHB) inverter connected in series with a SiC based 2L-VSI. In the proposed control, the CHB inverter is switched at the stator frequency of the drive to supply the fundamental component of demanded voltage from the drive. As a result, it reduces switching losses to a great extent. The 2L-VSI is switched at a high frequency to supply the harmonic content, resulting in a higher effective switching frequency of the drive. The proposed technique is validated on a 300 V(LV)/1.65kV (MV), CHB based SST-fed FOC induction motor drive with different speeds and loading conditions in MATLAB Simulink environment.","PeriodicalId":183284,"journal":{"name":"2023 IEEE Texas Power and Energy Conference (TPEC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130513966","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 High-Frequency AC-Linked Active Multicell Balancing Topology for Series-Connected Batteries 串联电池高频交流连接有源多电池平衡拓扑
2023 IEEE Texas Power and Energy Conference (TPEC) Pub Date : 2023-02-13 DOI: 10.1109/TPEC56611.2023.10078694
Xiaoyi Yang, Qingxuan Ma, A. Q. Huang
{"title":"A High-Frequency AC-Linked Active Multicell Balancing Topology for Series-Connected Batteries","authors":"Xiaoyi Yang, Qingxuan Ma, A. Q. Huang","doi":"10.1109/TPEC56611.2023.10078694","DOIUrl":"https://doi.org/10.1109/TPEC56611.2023.10078694","url":null,"abstract":"A novel multicell balancing topology based on series input parallel output configuration with a high-frequency AC bus is proposed in this paper to provide flexibility in handling battery voltage imbalance in an time-efficient way. It has the advantage over traditional balance systems as the multicell balance for inconsecutive cells can be achieved. The hardware designed for a four-cell module verifies its operations and evaluates the performance of different operation modes. Automatic balancing was achieved with efficiency from 77.36% to 88.58% and with a minimum final voltage difference of 23mV. With an additional phase shift, the final voltage difference can be further reduced to 1mV and the balancing time by 69.8%.","PeriodicalId":183284,"journal":{"name":"2023 IEEE Texas Power and Energy Conference (TPEC)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132149253","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
Solid State Condenser (SSC) - A New FACTS Device for Grid Inertia Support 固态电容器(SSC)——一种新型的网格惯性支撑FACTS装置
2023 IEEE Texas Power and Energy Conference (TPEC) Pub Date : 2023-02-13 DOI: 10.1109/TPEC56611.2023.10078567
Houshang Salimian Rizi, Zibo Chen, Emad Nazerian, Wei Xu, A. Q. Huang
{"title":"Solid State Condenser (SSC) - A New FACTS Device for Grid Inertia Support","authors":"Houshang Salimian Rizi, Zibo Chen, Emad Nazerian, Wei Xu, A. Q. Huang","doi":"10.1109/TPEC56611.2023.10078567","DOIUrl":"https://doi.org/10.1109/TPEC56611.2023.10078567","url":null,"abstract":"Synchronous generators are increasingly replaced by inverter-based resources (IBRs). Grid stability and control for these inertia-less resources are subject to intensive investigation worldwide. Grid forming inverters and synchronous condensers are well-known methods to ensure power grid stability by providing adequate frequency and voltage support. This paper presents a single stage solid state synchronous condenser (SSC), which utilizes a super-capacitor energy storage (SCES) at the DC link of a grid forming inverter to provide pulsating active power required for inertia support. Moreover, with volt-var control the SSC supplies reactive power to the grid. The proposed control plus SCES solution is verified by simulation results with real time frequency data and hardware results connected to a three-phase 208V grid emulator.","PeriodicalId":183284,"journal":{"name":"2023 IEEE Texas Power and Energy Conference (TPEC)","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128673099","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
Polynomial Fitting and Analysis of Geomagnetic Disturbance Impacts 地磁扰动影响的多项式拟合与分析
2023 IEEE Texas Power and Energy Conference (TPEC) Pub Date : 2023-02-13 DOI: 10.1109/TPEC56611.2023.10078446
Rhett Guthrie, K. Davis
{"title":"Polynomial Fitting and Analysis of Geomagnetic Disturbance Impacts","authors":"Rhett Guthrie, K. Davis","doi":"10.1109/TPEC56611.2023.10078446","DOIUrl":"https://doi.org/10.1109/TPEC56611.2023.10078446","url":null,"abstract":"Geomagnetic disturbances (GMDs) are a threat to power systems with the potential to cause large impacts on grids around the world through the creation of geomagnetically induced currents (GICs). Modeling GMDs with detailed power system impact analysis is crucial, as GICs cause transformers to overheat and saturate, causing reactive power losses and lower voltages. The scale of impact is related to the severity of the storm. While the ability to systematically study the impacts of GICs on power systems has greatly improved over the past decade, it remains a challenge to predict these storms and to study and prepare for impacts of future storms. Hence, the goal of this paper is to create a mathematical model of GMD storms to predict how stronger storms will impact the grid in the future. To obtain this model, polynomial regression is applied to magnetic field data to obtain an equation. The equation models the general shape of GMDs, and it allows for alterations based on the location, time, and strength of each GMD. Analyzing these features helps to understand the effect they have on GMDs and to generate better models. The models in this work generate the general shape of past GMD storms, however there are variations by location, adding challenges for analysis.","PeriodicalId":183284,"journal":{"name":"2023 IEEE Texas Power and Energy Conference (TPEC)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130629917","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 Novel technique for Power sharing and Synchronization of Distributed Generators in an Islanded AC Microgrid 孤岛交流微电网分布式发电机电力共享与同步新技术
2023 IEEE Texas Power and Energy Conference (TPEC) Pub Date : 2023-02-13 DOI: 10.1109/TPEC56611.2023.10078466
Bijit Kumar Dey
{"title":"A Novel technique for Power sharing and Synchronization of Distributed Generators in an Islanded AC Microgrid","authors":"Bijit Kumar Dey","doi":"10.1109/TPEC56611.2023.10078466","DOIUrl":"https://doi.org/10.1109/TPEC56611.2023.10078466","url":null,"abstract":"Popularly, the VSIs of the decentralized, islanded microgrids, use the voltage and frequency droop laws for proportional power sharing. These cause the output voltage amplitude and frequency of the VSIs to deviate from their nominal values. Because of the decentralized architecture of the microgrid, any incoming DG unit(IDG) will be unaware of these deviations. In this situation, this DG unit will initially generate an output voltage whose amplitude and frequency are at their respective nominal values. The difference in output voltage amplitude and frequency will cause a high and undesirable current to flow between the generators. In this paper, this problem is solved by introducing a novel synchronization scheme. The scheme makes any incoming DG unit operate first in the Intermediate mode and then in the Droop controlled mode. These modes are designed to meet the IEEE 1547-2003 std and make the synchronization possible for the incoming DG unit.","PeriodicalId":183284,"journal":{"name":"2023 IEEE Texas Power and Energy Conference (TPEC)","volume":"87 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120868885","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
Quantum-Enhanced DC Optimal Power Flow 量子增强直流最优潮流
2023 IEEE Texas Power and Energy Conference (TPEC) Pub Date : 2023-02-13 DOI: 10.1109/TPEC56611.2023.10078612
Farshad Amani, Reza Mahroo, A. Kargarian
{"title":"Quantum-Enhanced DC Optimal Power Flow","authors":"Farshad Amani, Reza Mahroo, A. Kargarian","doi":"10.1109/TPEC56611.2023.10078612","DOIUrl":"https://doi.org/10.1109/TPEC56611.2023.10078612","url":null,"abstract":"Harrow-Hassidim-Lloyd (HHL) is a quantum computation algorithm that can solve a system of linear equations in a logarithmic time scale; hence, an exponential speed-up over best-known classical computers, which have polynomial time complexity, is accessible. This paper studies the integration of HHL into the DC optimal power flow problem. Optimality conditions are formulated as a system of equations in the form of $Ax=b$ that is solved by HHL. The performance of HHL for A-matrices appearing in DCOPF problems is discussed. The initialization of HHL for encoding data from classical data to a quantum state in an efficient manner is also investigated. The impact of HHL calculation error on DCOPF convergence and solution accuracy is analyzed. Qiskit module is used to test the HHL-based DCOPF problem on a 3-bus system. The impact of quantum computers and HHL errors on DCOPF is simulated for the IEEE 14- bus system.","PeriodicalId":183284,"journal":{"name":"2023 IEEE Texas Power and Energy Conference (TPEC)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116989235","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
A Novel Hybrid MPPT Technique for PSC using Weighted Average Approach 基于加权平均法的PSC混合MPPT技术
2023 IEEE Texas Power and Energy Conference (TPEC) Pub Date : 2023-02-13 DOI: 10.1109/TPEC56611.2023.10078495
Kushal Buch, C. Bhatt, Uday Patel, P. N. Tekwani
{"title":"A Novel Hybrid MPPT Technique for PSC using Weighted Average Approach","authors":"Kushal Buch, C. Bhatt, Uday Patel, P. N. Tekwani","doi":"10.1109/TPEC56611.2023.10078495","DOIUrl":"https://doi.org/10.1109/TPEC56611.2023.10078495","url":null,"abstract":"This paper presents a Novel Hybrid Maximum Power Point extraction algorithm for Solar Photovoltaic Systems under practical environmental conditions. Two Maximum Power Point Tracking algorithms, Perturb & Observe and Incremental Conductance are used to obtain Maximum Power Tracking. These algorithms are combined using actuator scheduling theory. The proposed hybridization technique utilizes the theory of the Fibonacci series and the Golden ratio. The proposed algorithm performs better in Partial Shading Conditions and other environmental disturbances than conventional Maximum Power Point Tracking algorithms. The simulation results are included to verify the performance of the algorithm.","PeriodicalId":183284,"journal":{"name":"2023 IEEE Texas Power and Energy Conference (TPEC)","volume":"152 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127329367","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
On the Lifetime Emissions of Conventional, Hybrid and Electric Vehicles 关于传统、混合动力和电动汽车的全寿命排放
2023 IEEE Texas Power and Energy Conference (TPEC) Pub Date : 2023-02-13 DOI: 10.1109/TPEC56611.2023.10078609
Zhemin Hu, Ramin Tafazzoli Mehrjardi, M. Ehsani
{"title":"On the Lifetime Emissions of Conventional, Hybrid and Electric Vehicles","authors":"Zhemin Hu, Ramin Tafazzoli Mehrjardi, M. Ehsani","doi":"10.1109/TPEC56611.2023.10078609","DOIUrl":"https://doi.org/10.1109/TPEC56611.2023.10078609","url":null,"abstract":"Electric vehicles (EVs) are believed to be a good alternative to conventional internal combustion engine vehicles (ICEVs) to eliminate tailpipe CO2 emissions. However, they usually have considerably higher initial manufacturing pollution than IC engine vehicles, which will lead to a significant increase in their lifetime CO2 emissions. Hybrid electric vehicles (HEVs) are traditionally considered to have CO2 emissions between EVs and ICEVs. Previous research on emission comparisons among these vehicle types were confined to individual countries or regions. This paper makes worldwide evaluations of lifetime CO2 emissions of the 2020 Chevrolet Bolt EV, an example commercially available EV, and compares it globally with an ICEV and two types of HEVs. All the vehicles have at least the same vehicle performance as the Chevrolet Bolt EV. The results show that HEVs with dynamic programming optimization can have less worldwide lifetime emissions than both comparable EVs and IC engine vehicles without the sacrifice of vehicle performance.","PeriodicalId":183284,"journal":{"name":"2023 IEEE Texas Power and Energy Conference (TPEC)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114974487","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
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