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Optimal allocation of power routers in a STATCOM-installed electric grid with high penetration of wind energy 在statcom安装的高风能渗透电网中，功率路由器的优化分配
2015 Clemson University Power Systems Conference (PSC) Pub Date : 2015-03-10 DOI: 10.1109/PSC.2015.7101695
Yi Deng, G. Venayagamoorthy, R. Harley
{"title":"Optimal allocation of power routers in a STATCOM-installed electric grid with high penetration of wind energy","authors":"Yi Deng, G. Venayagamoorthy, R. Harley","doi":"10.1109/PSC.2015.7101695","DOIUrl":"https://doi.org/10.1109/PSC.2015.7101695","url":null,"abstract":"Wind generation continues to increase as a source of renewable energy. However, adding intermittent renewable energy may lead to overloaded lines as well as low voltage buses. Static synchronous compensators (STATCOMs) can provide significant reactive power to ensure the voltage stability, but overloaded lines may still exist. Therefore, power routers, which route power away from overloaded lines to underutilized lines, are required. In order to provide the best power-flow control with the lowest cost, the power routers should be optimally designed, for both their ratings and locations. The coordination between the power routers and the STATCOMs should also be taken into consideration. This paper introduces a general approach to determine the optimal location and sizing of the power routers for a power system with overloaded lines, based on a particle swarm optimization (PSO) algorithm. Simulation studies on a 12-bus test system verify the proposed method.","PeriodicalId":409438,"journal":{"name":"2015 Clemson University Power Systems Conference (PSC)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133130810","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: 6
Smart grid and WAMS in Indian context - A review 印度背景下的智能电网和WAMS -综述
2015 Clemson University Power Systems Conference (PSC) Pub Date : 2015-03-10 DOI: 10.1109/PSC.2015.7101705
K. Saha, K. Meera, V. Shivaprasad
{"title":"Smart grid and WAMS in Indian context - A review","authors":"K. Saha, K. Meera, V. Shivaprasad","doi":"10.1109/PSC.2015.7101705","DOIUrl":"https://doi.org/10.1109/PSC.2015.7101705","url":null,"abstract":"The Indian electricity sector faces many problems in trying to reduce the ever increasing demand-supply gap. Energy losses in India's transmission and distribution sector exceed 30%, which is one of the highest in the world. Upgrading outdated transmission and distribution systems coupled with the need to reduce electricity losses and theft is driving the deployment of Smart Grid technologies in India. The real challenge in the power sector in India lies in managing the upgrading of the transmission, distribution and metering sector efficiently. From last two decades a new technology Wide area Monitoring systems (WAMS) for monitoring and synchronization of wide area networks have come to the fore as a means to address not only reliability concerns but also operational issues such as enhancing transfer capability in real time, advanced automatic corrective actions like adaptive islanding, blocking/DE blocking of distance relay zones under power swings, better visualization through state measurements, decision support tools etc. The present technological advancements have moved WAMS application into the area of smart grid. Several states in India have already implemented WAMS for fast, reliable and synchronous measurement and real time monitoring of system state of geographically spread power network. This paper discusses various technical issues related to smart grid initiatives and implications in context of WAMS technology in Indian power systems.","PeriodicalId":409438,"journal":{"name":"2015 Clemson University Power Systems Conference (PSC)","volume":"93 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131668399","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
Saturated-core resonant fault current limiter 饱和铁心谐振故障限流器
2015 Clemson University Power Systems Conference (PSC) Pub Date : 2015-03-10 DOI: 10.1109/PSC.2015.7101701
M. Rezaee, R. Harley, H. Heydari
{"title":"Saturated-core resonant fault current limiter","authors":"M. Rezaee, R. Harley, H. Heydari","doi":"10.1109/PSC.2015.7101701","DOIUrl":"https://doi.org/10.1109/PSC.2015.7101701","url":null,"abstract":"In this paper, a new design of a series-type resonant fault current limiter (ReFCL), based on saturation effects, called a saturated-core ReFCL is presented. The saturable core used in the ReFCL plays two key roles, detector and limiter. The proposed ReFCL could be considered as a serious competitor of superconducting FCLs (SFCLs). Series and parallel-type of ReFCL equipped with a saturable core are simulated and compared using MATLAB/SIMULINK to identify which one is more effective. The results prove that the saturable core enhances the effectiveness of the ReFCL during and after the fault.","PeriodicalId":409438,"journal":{"name":"2015 Clemson University Power Systems Conference (PSC)","volume":"244 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121186796","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: 4
Selective harmonic elimination for extended cascaded multicell multilevel power converters 扩展级联多室多电平功率变换器的选择性谐波消除
2015 Clemson University Power Systems Conference (PSC) Pub Date : 2015-03-10 DOI: 10.1109/PSC.2015.7101703
V. Dargahi, A. K. Sadigh, K. Corzine
{"title":"Selective harmonic elimination for extended cascaded multicell multilevel power converters","authors":"V. Dargahi, A. K. Sadigh, K. Corzine","doi":"10.1109/PSC.2015.7101703","DOIUrl":"https://doi.org/10.1109/PSC.2015.7101703","url":null,"abstract":"This paper provides general solutions for nonlinear transcendental equations to determine the feasible switching angles for a fundamental frequency-switching-scheme modulated cascaded multicell multilevel power converter with a higher number of modules (H-bridges) and output voltage levels in order to eliminate the dominant low-order line-to-line voltage harmonics. Afterwards, for each cascaded multilevel converter, a feasible range of modulation index that culminates in a viable switching angles for a low switching-frequency selective harmonic elimination strategy is derived. The provided solutions as well as results expedite the burdensome and arduous computations required in solving the transcendental equations of selective harmonic elimination scheme for cascaded multicell converters with higher number of modules. The transcendental equations are solved by Newton iterative method and the solutions are provided for 11-level to 23-level cascaded multicell converters.","PeriodicalId":409438,"journal":{"name":"2015 Clemson University Power Systems Conference (PSC)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124963582","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
Steady state voltage stability enhancement using shunt and series FACTS devices 使用并联和串联FACTS器件增强稳态电压稳定性
2015 Clemson University Power Systems Conference (PSC) Pub Date : 2015-03-10 DOI: 10.1109/PSC.2015.7101706
J. Lakkireddy, R. Rastgoufard, I. Leevongwat, Parviz Rastgoufard
{"title":"Steady state voltage stability enhancement using shunt and series FACTS devices","authors":"J. Lakkireddy, R. Rastgoufard, I. Leevongwat, Parviz Rastgoufard","doi":"10.1109/PSC.2015.7101706","DOIUrl":"https://doi.org/10.1109/PSC.2015.7101706","url":null,"abstract":"Power systems consist of generation, transmission, and distribution of power to customers. To meet the ever increasing population demand, the power industry has also grown by increasing the number of devices and incorporating highly complex as well as expensive components into the power system. It becomes specifically important to focus on voltage stability analysis of the power system to avoid worst-case scenarios, such as voltage collapse, which may result in huge losses. One of the main causes of voltage collapse is the insufficient availability of reactive power in the system. This can be overcome by adding reactive power sources such as FACTS devices into it. An attempt on enhancing the steady-state voltage stability using FACTS devices has been made in this work. An IEEE 39-bus test system is built using MATLAB and PSAT. FACTS devices such as Static VAR Compensator (SVC), Static Synchronous Compensator (STATCOM), and Thyristor Controlled Series Capacitor (TCSC), are included into the test system as three separate test cases. Continuation power flow analysis is performed on the system with no FACTS included in it and on the three test cases with different FACTS included in it. The output is displayed in the form of P-V curves, loading margin curves, and active and reactive power losses curves. The results obtained are all compared with each other to draw conclusions on the effectiveness of the each of the FACTS devices in improving the static voltage stability of the power system.","PeriodicalId":409438,"journal":{"name":"2015 Clemson University Power Systems Conference (PSC)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125135991","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: 28
Bidirectional floating interleaved buck-boost DC-DC converter applied to residential PV power systems 应用于住宅光伏发电系统的双向浮动交错buck-boost DC-DC变换器
2015 Clemson University Power Systems Conference (PSC) Pub Date : 2015-03-10 DOI: 10.1109/PSC.2015.7101675
M. Godoy Simões, C. Lute, A. Alsaleem, D. Brandão, J. Pomilio
{"title":"Bidirectional floating interleaved buck-boost DC-DC converter applied to residential PV power systems","authors":"M. Godoy Simões, C. Lute, A. Alsaleem, D. Brandão, J. Pomilio","doi":"10.1109/PSC.2015.7101675","DOIUrl":"https://doi.org/10.1109/PSC.2015.7101675","url":null,"abstract":"The main goal of this paper is to design and analyze a bidirectional floating interleaved DC-DC buck-boost converter applied to a residential photovoltaic (PV) power system with energy storage. The floating interleaved bidirectional converter produces a higher DC voltage gain compared to conventional converters, reducing the required number of series connections for the PV and battery modules. This paper provides a smallsignal model of this bidirectional DC-DC converter, and describes control strategies for the DC-DC and DC-AC converters applied in a typical residential PV power system. The papers shows a transitional control strategy from gridconnected to islanded operating modes, as well as the back connection with the boost/buck operating modes for the bidirectional DC-DC converter. The paper describes the DC link management and voltage control where the regulation techniques are demonstrated by analysis and simulation results showing a complete system operation. Experimental results validate the proposed inverter control scheme.","PeriodicalId":409438,"journal":{"name":"2015 Clemson University Power Systems Conference (PSC)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123794087","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: 23
The risk-based assessment of static voltage stability issues with consideration of load and wind power uncertainties 考虑负荷和风力不确定性的静态电压稳定性风险评估问题
2015 Clemson University Power Systems Conference (PSC) Pub Date : 2015-03-10 DOI: 10.1109/PSC.2015.7101710
Weisi Deng, Bu-han Zhang, Hongfa Ding
{"title":"The risk-based assessment of static voltage stability issues with consideration of load and wind power uncertainties","authors":"Weisi Deng, Bu-han Zhang, Hongfa Ding","doi":"10.1109/PSC.2015.7101710","DOIUrl":"https://doi.org/10.1109/PSC.2015.7101710","url":null,"abstract":"The risk-based assessment is a new approach to the voltage stability assessment in power system. Under several uncertainties, the security risk of static voltage stability with considerable of wind power can be evaluated. In this paper, the Quasi-Monte Carlo (QMC) simulation is used to speed up Monte Carlo by improving the technical of sample generation. Besides, a new voltage stability index is defined, which reveal critical characteristics of static voltage stability. The local voltage stability margin (LVSM) considering the security risk at a forecasted operating point can be calculated to evaluate the voltage stability. Testing on a modified IEEE New England 39-bus system, results from the proposed method are compared agains the result from the conventional method. The proposed method's effectiveness and advantaged are demonstrated with the test results.","PeriodicalId":409438,"journal":{"name":"2015 Clemson University Power Systems Conference (PSC)","volume":"76 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126904882","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
Voltage control algorithm for distribution systems with distributed generation 分布式发电配电系统的电压控制算法
2015 Clemson University Power Systems Conference (PSC) Pub Date : 2015-03-10 DOI: 10.1109/PSC.2015.7101711
Bruna Carolina de Oliveira, Matheus Garcia Ribeiro, G. Manassero
{"title":"Voltage control algorithm for distribution systems with distributed generation","authors":"Bruna Carolina de Oliveira, Matheus Garcia Ribeiro, G. Manassero","doi":"10.1109/PSC.2015.7101711","DOIUrl":"https://doi.org/10.1109/PSC.2015.7101711","url":null,"abstract":"This paper proposes an automatic voltage control method for distribution networks using distributed generators connected to the grid in order to maintain voltage levels and to provide reactive power. This method consists in exchanging information withn a two-layer hierarchical control structure. The first one is the local control, responsible for monitoring each generator operating conditions. The second one is the central control, responsible for providing the appropriate setpoints to each local control with an algorithm based on the sensitivity theory. This method is based on a sensitivity theory that chooses the generator which will cause the major impact on the network voltage profile when changing its reactive power injection. In order to test the proposed method, the authors implemented the IEEE 13-node test feeder in the Real Time Digital Simulator at Escola Politecnica da Universidade de Sao Paulo - Brazil.","PeriodicalId":409438,"journal":{"name":"2015 Clemson University Power Systems Conference (PSC)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116652916","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
Voltage analysis and load curtailment minimization in sub-transmission networks with distributed generation 带分布式发电的子输电网电压分析与负荷削减最小化
2015 Clemson University Power Systems Conference (PSC) Pub Date : 2015-03-10 DOI: 10.1109/PSC.2015.7101712
B. Canizes, Z. Vale, A. Cruz, J. Grimoni
{"title":"Voltage analysis and load curtailment minimization in sub-transmission networks with distributed generation","authors":"B. Canizes, Z. Vale, A. Cruz, J. Grimoni","doi":"10.1109/PSC.2015.7101712","DOIUrl":"https://doi.org/10.1109/PSC.2015.7101712","url":null,"abstract":"Most of distributed generation and smart grid research works are dedicated to network operation parameters studies, reliability, etc. However, many of these works normally uses traditional test systems, for instance, IEEE test systems. This paper proposes voltage magnitude and reliability studies in presence of fault conditions, considering realistic conditions found in countries like Brazil. The methodology considers a hybrid method of fuzzy set and Monte Carlo simulation based on the fuzzy-probabilistic models and a remedial action algorithm which is based on optimal power flow. To illustrate the application of the proposed method, the paper includes a case study that considers a real 12-bus sub-transmission network.","PeriodicalId":409438,"journal":{"name":"2015 Clemson University Power Systems Conference (PSC)","volume":"148 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122838473","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
A sensorless flux oriented control scheme for a DFIG connected to a DC link 一种连接到直流链路的DFIG无传感器磁链定向控制方案
2015 Clemson University Power Systems Conference (PSC) Pub Date : 2015-03-10 DOI: 10.1109/PSC.2015.7101696
Jia Li, K. Corzine
{"title":"A sensorless flux oriented control scheme for a DFIG connected to a DC link","authors":"Jia Li, K. Corzine","doi":"10.1109/PSC.2015.7101696","DOIUrl":"https://doi.org/10.1109/PSC.2015.7101696","url":null,"abstract":"In this paper, a novel sensorless flux-oriented control scheme is presented to connect a DFIG to a dc link with arbitrary stator frequency. The rotor side of the DFIG is connected to the dc link through a converter while the stator is connecting to a three phase diode bridge with the dc side connected to a dc link. The control method used in this paper is regulating the stator frequency and the d-q axis voltage of the diode bridge to operate the DFIG at a desired stator frequency and generate the required power. The low-order harmonics in the stator current of DFIG are detected and regulated through control of the rotor currents based on multiple reference frame theory. Matlab/Simulink is employed to investigate the performance of proposed methods.","PeriodicalId":409438,"journal":{"name":"2015 Clemson University Power Systems Conference (PSC)","volume":"188 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114745487","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: 4
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