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Mitigation of subsynchronous resonance by SVC using PMU-acquired remote generator speed 基于pmu获取的远端发电机转速的SVC抑制次同步谐振
2006 IEEE Power India Conference Pub Date : 2006-06-05 DOI: 10.1109/POWERI.2006.1632626
R. Varma, S. Auddy
{"title":"Mitigation of subsynchronous resonance by SVC using PMU-acquired remote generator speed","authors":"R. Varma, S. Auddy","doi":"10.1109/POWERI.2006.1632626","DOIUrl":"https://doi.org/10.1109/POWERI.2006.1632626","url":null,"abstract":"Subsynchronous resonance (SSR) is a potential problem in power systems having series compensated transmission lines. Flexible AC transmission systems (FACTS) controllers are widely applied to mitigate subsynchronous oscillations (SSO). With the advent of wide area measurement (WAM) technology, it is possible to measure the states of a large interconnected power system with synchronized phasor measurement units (PMU). In this paper the concept of using remote signals acquired through PMU has been proposed to damp SSR. An auxiliary subsynchronous damping controller (SSDC) for a static VAr compensator (SVC) using the remote generator speed as the stabilizing signal has been designed to damp subsynchronous oscillations. The IEEE first benchmark model is used to show the effectiveness of the controller. Extensive simulation results in EMTDC/PSCAD show that an SVC already installed in a transmission system with the primary objective of improving power transfer capability can also damp SSR with the auxiliary controller using remote generator speed. Finally, the effect of signal transmission delay is discussed","PeriodicalId":191301,"journal":{"name":"2006 IEEE Power India Conference","volume":"244 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115629996","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: 17
Comparison of single phase shunt active power filter algorithms 单相并联有源电力滤波算法的比较
2006 IEEE Power India Conference Pub Date : 2006-06-05 DOI: 10.1109/POWERI.2006.1632577
L. Kunjumuhammed, M. Mishra
{"title":"Comparison of single phase shunt active power filter algorithms","authors":"L. Kunjumuhammed, M. Mishra","doi":"10.1109/POWERI.2006.1632577","DOIUrl":"https://doi.org/10.1109/POWERI.2006.1632577","url":null,"abstract":"A comparative study of different algorithms for extracting reference compensating current for single-phase shunt active power filter is presented. The paper discusses different type of approaches, both direct and indirect methods, in detail. The performance of these algorithms is investigated giving an emphasis to the transient performance of the active power filter","PeriodicalId":191301,"journal":{"name":"2006 IEEE Power India Conference","volume":"34 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123355989","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: 37
A method for optimal placement of reactive sources & reactive power procurement in competitive electricity markets 竞争电力市场中无功电源的最佳配置和无功电力采购方法
2006 IEEE Power India Conference Pub Date : 2006-06-05 DOI: 10.1109/POWERI.2006.1632558
B. Tyagi, S. Srivastava
{"title":"A method for optimal placement of reactive sources & reactive power procurement in competitive electricity markets","authors":"B. Tyagi, S. Srivastava","doi":"10.1109/POWERI.2006.1632558","DOIUrl":"https://doi.org/10.1109/POWERI.2006.1632558","url":null,"abstract":"In this paper, an approach to select the optimal location and proper size of the reactive power sources has been proposed, based on technical as well as economic criteria. A loss sensitivity index (LSI) has been used to initially select a possible group of buses, where the reactive support is required. Then, an optimal reactive power dispatch (ORPD) algorithm has been developed to select the buses, from this group, based on the economic criteria. An ORPD algorithm has been proposed to procure the reactive power required by the system, at given load condition. The proposed scheme of reactive source placement and reactive power procurement has been tested on IEEE 14-bus and 75-bus Indian power systems","PeriodicalId":191301,"journal":{"name":"2006 IEEE Power India Conference","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124141193","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
Voltage security constrained localized reactive power market 电压安全约束的局部无功市场
2006 IEEE Power India Conference Pub Date : 2006-06-05 DOI: 10.1109/POWERI.2006.1632519
S. Parida, S. N. Singh, Suresh Chandra Srivastava
{"title":"Voltage security constrained localized reactive power market","authors":"S. Parida, S. N. Singh, Suresh Chandra Srivastava","doi":"10.1109/POWERI.2006.1632519","DOIUrl":"https://doi.org/10.1109/POWERI.2006.1632519","url":null,"abstract":"In this paper, design and operation of a single side auction based localized reactive power market has been proposed. Voltage control areas (VCAs) have been formed, first, by using the concept of electrical distance for system intact case. The VCAs so obtained have been modified looking at voltage variations under severe contingencies. In each VCA/zone, reactive power zonal purchasing price (RPZPP) and reactive power zonal selling price (RPZSP) have been determined at which the system operator (SO) procures reactive power from generators and sells reactive power to reactive power consumers respectively. An optimal power flow formulation has been used for settlement of the reactive power ancillary market in a competitive scenario that has been solved by mixed integer nonlinear programming (MINLP). The proposed method, for design and operation of the localized reactive power market, has been demonstrated on IEEE 24-bus reliability test system","PeriodicalId":191301,"journal":{"name":"2006 IEEE Power India Conference","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132670719","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: 22
FDM based simulation of PD patterns due to narrow void considering stochastic parameters 基于FDM的考虑随机参数的窄空隙PD模式仿真
2006 IEEE Power India Conference Pub Date : 2006-06-05 DOI: 10.1109/POWERI.2006.1632535
P. Das, S. Chakravorti
{"title":"FDM based simulation of PD patterns due to narrow void considering stochastic parameters","authors":"P. Das, S. Chakravorti","doi":"10.1109/POWERI.2006.1632535","DOIUrl":"https://doi.org/10.1109/POWERI.2006.1632535","url":null,"abstract":"For simulation of partial discharge (PD) patterns, a finite difference method (FDM) based model is put forward, in which two parameters are considered, viz. the critical field intensity for partial discharge occurrence Ec and residual field intensity Er . In this present simulation model both partial discharge inception and extinction are taken to be stochastic in nature. The void taken in this simulation is a narrow one for which the discharge area is taken to be fixed and is equal to the area of the top or bottom surface of the void. In this paper plane-plane electrode system is considered and the PD simulations are carried out by varying Ec, considering stochastic as well as non-stochastic occurrence of partial discharge and residual field. The inception and extinction of PD, shape of PD patterns in the form of pulse amplitude and the amount of charge, which is released during PD for different cases, are studied and reported in this paper","PeriodicalId":191301,"journal":{"name":"2006 IEEE Power India Conference","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131458354","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
Volume and loss optimization of high frequency transformer for compact switch mode power supply considering corrected waveform factor 考虑校正波形因子的紧凑型开关电源高频变压器体积和损耗优化
2006 IEEE Power India Conference Pub Date : 2006-06-05 DOI: 10.1109/POWERI.2006.1632487
H. R. Karampoorian, Gh. Papi, A. Zadehgol
{"title":"Volume and loss optimization of high frequency transformer for compact switch mode power supply considering corrected waveform factor","authors":"H. R. Karampoorian, Gh. Papi, A. Zadehgol","doi":"10.1109/POWERI.2006.1632487","DOIUrl":"https://doi.org/10.1109/POWERI.2006.1632487","url":null,"abstract":"A new procedure for optimum design of high frequency transformers is presented. The presented design method is based on a restatement and correction of the traditional transformer design equations to include non-sinusoidal switching waveforms and high frequency skin and proximity effects. In this optimization procedure both electric and thermal effects in the transformer is considered. Wave form of voltage and current, and maximum acceptable temperature rise, are used as input data. The aim of this procedure is the selection of the smallest core that can deliver desired power, and determination of optimum flux density and current density to reach a transformer with high power density and admissible temperature rise. Besides, a well known factor which is called wave form factor is challenged in this paper and a new method is proposed to calculation of it. Finally the validity of proposed method is analyzed under arbitrary waveform","PeriodicalId":191301,"journal":{"name":"2006 IEEE Power India Conference","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114567897","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: 17
GA-identifier and predictive controller for multi-machine power system 多机电力系统ga辨识与预测控制器
2006 IEEE Power India Conference Pub Date : 2006-06-05 DOI: 10.1109/POWERI.2006.1632516
W. Hussein, O. Malik
{"title":"GA-identifier and predictive controller for multi-machine power system","authors":"W. Hussein, O. Malik","doi":"10.1109/POWERI.2006.1632516","DOIUrl":"https://doi.org/10.1109/POWERI.2006.1632516","url":null,"abstract":"The effectiveness of a genetic algorithm (GA) identifier and a predictive controller to damp multi-mode oscillations in power system is investigated in this paper. A five machine power system is used in the simulation studies and its transient response to disturbances causing multi-mode oscillations is investigated. The GA-identifier tracks the changes in the system conditions. The predictive controller uses pole-shifting numerical optimization routine to determine the optimum control signal. Behavior of the adaptive power system stabilizer (APSS) and its coordination ability with other power system stabilizers in the system are demonstrated","PeriodicalId":191301,"journal":{"name":"2006 IEEE Power India Conference","volume":"85 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115378338","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
Multivariable adaptive control of synchronous machine 同步电机的多变量自适应控制
2006 IEEE Power India Conference Pub Date : 2006-06-05 DOI: 10.1109/POWERI.2006.1632485
B. Wu, O. Malik
{"title":"Multivariable adaptive control of synchronous machine","authors":"B. Wu, O. Malik","doi":"10.1109/POWERI.2006.1632485","DOIUrl":"https://doi.org/10.1109/POWERI.2006.1632485","url":null,"abstract":"This paper presents an application of a multivariable self-tuning controller to a single machine infinite bus system. The controller is based on generalized predictive control (GPC) with constraints placed on the control signals. It provides supplementary control signals to the excitation system and the governor system to improve power system stability. Simulation studies, which include small disturbances and large disturbances, show the efficiency of the controller to damp low frequency oscillations in a power system","PeriodicalId":191301,"journal":{"name":"2006 IEEE Power India Conference","volume":"108 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122725353","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
Identification and ranking of weak buses using modified counterpropagation neural network 利用改进的反传播神经网络对弱总线进行识别和排序
2006 IEEE Power India Conference Pub Date : 2006-06-05 DOI: 10.1109/POWERI.2006.1632531
M. Pandit, L. Srivastava, V. Singh
{"title":"Identification and ranking of weak buses using modified counterpropagation neural network","authors":"M. Pandit, L. Srivastava, V. Singh","doi":"10.1109/POWERI.2006.1632531","DOIUrl":"https://doi.org/10.1109/POWERI.2006.1632531","url":null,"abstract":"The task of maintaining power system security in the recently deregulated environment is gigantic with uncertain and diverse power transactions and benefit based operational schemes. Monitoring of the system and predicting possible voltage collapses can be accomplished by defining suitable indices that can trigger the preventive or corrective control actions when predefined thresholds are reached to make the system insecure. This paper proposes a modified counterpropagation neural network (MCPN) enhanced by the concept of neo fuzzy neurons for static voltage security assessment. The proposed method works by identifying weak buses on the basis of available reactive margin and ranks them in order of their sensitivity to voltage collapse. A novel feature selection method is used to reduce the dimension and training time of the neural network. The proposed method has been tested on a practical 75-bus Indian system and is found to identify weak buses correctly even for previously unseen operating conditions, instantaneously","PeriodicalId":191301,"journal":{"name":"2006 IEEE Power India Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122910420","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
Studies on transients in high voltage line: experimental and simulation results 高压线路暂态研究:实验与仿真结果
2006 IEEE Power India Conference Pub Date : 2006-06-05 DOI: 10.1109/POWERI.2006.1632500
S. Chatterjee, S. Chakravorti, C. K. Roy, S. Biswas
{"title":"Studies on transients in high voltage line: experimental and simulation results","authors":"S. Chatterjee, S. Chakravorti, C. K. Roy, S. Biswas","doi":"10.1109/POWERI.2006.1632500","DOIUrl":"https://doi.org/10.1109/POWERI.2006.1632500","url":null,"abstract":"This paper presents the study of transients resulting from different circuit topology in high voltage line. The analysed data are obtained from experiments as well as simulated model based on Simulink in matlab environment. The experimental set up as well as the simulation parameters are discussed along with the viability of the simulation model. The data are analysed using continuous wavelet transform and conclusions have been drawn thereafter","PeriodicalId":191301,"journal":{"name":"2006 IEEE Power India Conference","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124778133","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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