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Minimum variance controller based adaptive control for Doubly fed induction generator 基于最小方差控制器的双馈感应发电机自适应控制
2016 North American Power Symposium (NAPS) Pub Date : 2016-09-01 DOI: 10.1109/NAPS.2016.7747913
Rojan Bhattarai, Niroj Gurung, S. Kamalasadan
{"title":"Minimum variance controller based adaptive control for Doubly fed induction generator","authors":"Rojan Bhattarai, Niroj Gurung, S. Kamalasadan","doi":"10.1109/NAPS.2016.7747913","DOIUrl":"https://doi.org/10.1109/NAPS.2016.7747913","url":null,"abstract":"This paper presents a system identification based minimum variance controller for active and reactive power control of Doubly Fed Induction Generator (DFIG). The controller is adaptive as the parameters in the control law are updated online based on system identification that relate the output (active and reactive power) and the input (direct and quadrature axis rotor voltages). The main advantage of the proposed controller is the simplicity in design, its adaptability under varying operating conditions and the ability of the controller to perform without the need to measure rotor side quantities. The paper discusses the design of the controller and presents the simulation results from tests performed using MATLAB SimPowerSystems. The results show that the proposed controller can be a better alternative to the existing PI based vector control for DFIG.","PeriodicalId":249041,"journal":{"name":"2016 North American Power Symposium (NAPS)","volume":"578 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134277527","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: 9
Classifying day-ahead electricity markets using pattern recognition for demand response 使用需求响应模式识别对日前电力市场进行分类
2016 North American Power Symposium (NAPS) Pub Date : 2016-09-01 DOI: 10.1109/NAPS.2016.7747832
Venkat Durvasulu, T. Hansen
{"title":"Classifying day-ahead electricity markets using pattern recognition for demand response","authors":"Venkat Durvasulu, T. Hansen","doi":"10.1109/NAPS.2016.7747832","DOIUrl":"https://doi.org/10.1109/NAPS.2016.7747832","url":null,"abstract":"In this paper, we model the Demand Response eXchange (DRX) as an entity that facilitates the trading of demand response (DR) in the existing bulk power market through DR aggregators (DRA). DR as a service is used by the independent system operator (ISO) only when the market is settled inefficiently. A simple threshold on locational marginal price (LMP) cannot be set as the market clearing price depends on various factors, such as the transmission network availability, weather, and available resources. To detect inefficiency in the day-ahead market, we use statistical pattern recognition and compare among the various available techniques to integrate the DRX into a fully deregulated day-ahead market clearing method. We use support vector machines (SVM) to detect market inefficiencies during market clearing using real-data from the PJM ISO, and validate on the IEEE 24-bus system. We show that the DRX can be integrated into the existing bulk power market, with the ISO using pattern recognition techniques to detect market inefficiencies and trigger the DRX during such hours.","PeriodicalId":249041,"journal":{"name":"2016 North American Power Symposium (NAPS)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131647882","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
Design of isolated interleaved boost DC-DC converter based on SiC power devices for microinverter applications 基于SiC功率器件的隔离交错升压DC-DC变换器的设计
2016 North American Power Symposium (NAPS) Pub Date : 2016-09-01 DOI: 10.1109/NAPS.2016.7747970
Fahad M. Almasoudi, K. Alatawi, M. Matin
{"title":"Design of isolated interleaved boost DC-DC converter based on SiC power devices for microinverter applications","authors":"Fahad M. Almasoudi, K. Alatawi, M. Matin","doi":"10.1109/NAPS.2016.7747970","DOIUrl":"https://doi.org/10.1109/NAPS.2016.7747970","url":null,"abstract":"The power delivered by a photovoltaic (PV) to the grid must be modified in multiple stages. The operation concept of the micro-inverter is to increase the low output voltage received from a PV panel. Wide bandgap (WBG) power devices such as SiC MOSFETs offer multiple advantages over traditional silicon power devices when are used in a solar energy field due to their high switching frequency, high thermal conductivity and high power density that led to high efficiency and a smaller size of a converter. This paper demonstrates the implementation and design of an isolated interleaved boost DC-DC converter using a capacitor voltage doubler to achieve a high voltage step ratio. The performance of the design is analyzed and investigated at high switching frequency using different power switching devices, Si and SiC MOSFETs. The simulation results show that a 3% improvement achieved by SiC MOSFET at a higher switching frequency of 300 kHz.","PeriodicalId":249041,"journal":{"name":"2016 North American Power Symposium (NAPS)","volume":"46 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132971945","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: 10
Improved virtual inertia based control of a grid connected voltage source converter with fault ride-through ability 具有故障穿越能力的并网电压源变换器的改进虚拟惯性控制
2016 North American Power Symposium (NAPS) Pub Date : 2016-09-01 DOI: 10.1109/NAPS.2016.7747871
S. Mukherjee, P. Shamsi, M. Ferdowsi
{"title":"Improved virtual inertia based control of a grid connected voltage source converter with fault ride-through ability","authors":"S. Mukherjee, P. Shamsi, M. Ferdowsi","doi":"10.1109/NAPS.2016.7747871","DOIUrl":"https://doi.org/10.1109/NAPS.2016.7747871","url":null,"abstract":"This paper modifies the virtual inertia control of a grid connected converter and proposes a hybrid control technique to control a grid connected converter under grid unbalanced conditions. To limit fault currents and support fault ride-through, the control technique is changed from the virtual inertia control to the conventional current control during grid unbalances. With the mitigation of the grid unbalance the control is changed back to the virtual inertia control. The paper analyzes the advantages of doing so and introduces a control scheme to achieve the proposed transfer. Simulation results are presented to evaluate the proposed control.","PeriodicalId":249041,"journal":{"name":"2016 North American Power Symposium (NAPS)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129382272","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
Situational intelligence for online coherency analysis of synchronous generators in power system 电力系统同步发电机在线相干性分析的态势情报
2016 North American Power Symposium (NAPS) Pub Date : 2016-09-01 DOI: 10.1109/NAPS.2016.7747878
Yawei Wei, Iroshani Jayawardene, Paranietharan Arunagirinathan, Ke Tang, G. Venayagamoorthy
{"title":"Situational intelligence for online coherency analysis of synchronous generators in power system","authors":"Yawei Wei, Iroshani Jayawardene, Paranietharan Arunagirinathan, Ke Tang, G. Venayagamoorthy","doi":"10.1109/NAPS.2016.7747878","DOIUrl":"https://doi.org/10.1109/NAPS.2016.7747878","url":null,"abstract":"This paper presents a situational intelligence (SI) based approach to carry out coherency analysis of synchronous generator in a power system in an online manner. A cellular computational network (CCN) is used as the SI algorithm. CCN is a framework for distributed multi-timescale frequency prediction by utilizing the local and neighboring phasor measurement units (PMUs). The predicted frequency values are utilized for coherency analysis. The advantages of the CCN are scalability and distributedness which caters for on-line predicted coherency analysis for large power systems. The multi-time scale frequency predictions mitigates or minimizes delays in power system measurements and provides an insight to the power system coherent behavior apriori. The simulation studies on the New York-New England IEEE benchmark power system are presented to demonstrate that CCN based SI can be utilized in online coherency analysis. Predicted measurements can enhance resiliency to bad data. Furthermore, it is possible to utilize this approach for adaptive control of wide area power systems.","PeriodicalId":249041,"journal":{"name":"2016 North American Power Symposium (NAPS)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133563109","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
Small signal stability analysis of controlled voltage source converter model for positive sequence time domain simulations 可控电压源变换器小信号稳定性分析模型的正序列时域仿真
2016 North American Power Symposium (NAPS) Pub Date : 2016-09-01 DOI: 10.1109/NAPS.2016.7747917
D. Ramasubramanian, V. Vittal
{"title":"Small signal stability analysis of controlled voltage source converter model for positive sequence time domain simulations","authors":"D. Ramasubramanian, V. Vittal","doi":"10.1109/NAPS.2016.7747917","DOIUrl":"https://doi.org/10.1109/NAPS.2016.7747917","url":null,"abstract":"In this paper, a small signal stability analysis of a recently developed controlled voltage source converter model, for use in large scale positive sequence time domain simulations, has been conducted. The state space model has first been developed at the device level and subsequently, the state space model of the system has been obtained. Further, the performance of the model to varying short circuit ratio at the point of connection has been investigated. The three machine nine bus WSCC equivalent system and a single converter infinite bus equivalent of the 18205 bus WECC system have been used to analyze the model stability.","PeriodicalId":249041,"journal":{"name":"2016 North American Power Symposium (NAPS)","volume":"13 S1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133111115","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
Modern PID controller design for load frequency control 现代PID控制器设计用于负载频率控制
2016 North American Power Symposium (NAPS) Pub Date : 2016-09-01 DOI: 10.1109/NAPS.2016.7747947
Zhangxin Zhou, Garng M. Huang, S. Bhattacharyya
{"title":"Modern PID controller design for load frequency control","authors":"Zhangxin Zhou, Garng M. Huang, S. Bhattacharyya","doi":"10.1109/NAPS.2016.7747947","DOIUrl":"https://doi.org/10.1109/NAPS.2016.7747947","url":null,"abstract":"PID controllers are widely used in the load frequency control procedure in power systems. Stability and transient response are two significant design requirements. In this paper, a modern PID controller parameters design for a single unit load frequency control system is proposed. It is based on stabilizing sets design method and a modified characteristic ratio assignment method. Stabilizing sets can provide with all parameters that guarantee system stability. A modified characteristic ratio assignment criterion can lead to good transient response. Through these two procedures, a guided parameter set can be given to design PID parameters in the load frequency control system.","PeriodicalId":249041,"journal":{"name":"2016 North American Power Symposium (NAPS)","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128821514","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 classified irradiance forecast approach for solar PV prediction based on wavelet decomposition 基于小波分解的太阳能光伏分类辐照度预测方法
2016 North American Power Symposium (NAPS) Pub Date : 2016-09-01 DOI: 10.1109/NAPS.2016.7747957
Shi Su, Yuting Yan, Hai Lu, Z. Zhen, Fei Wang, Hui Ren, Kangping Li, Zengqiang Mi
{"title":"A classified irradiance forecast approach for solar PV prediction based on wavelet decomposition","authors":"Shi Su, Yuting Yan, Hai Lu, Z. Zhen, Fei Wang, Hui Ren, Kangping Li, Zengqiang Mi","doi":"10.1109/NAPS.2016.7747957","DOIUrl":"https://doi.org/10.1109/NAPS.2016.7747957","url":null,"abstract":"A classified irradiance forecast approach for solar PV prediction is proposed based on wavelet decomposition. The Daubechies wavelet is chose to decompose the irradiance series measured in the PV plant into approximate component and detailed component. The trend and variability of irradiance series are estimated respectively based on the two components. Then all the available irradiance data are labeled according to the features extracted from the approximate and detailed components. In the end, multiple forecast models are built and trained to adapt to the irradiance series of different labels. The simulation results show the effectiveness of the proposed approach.","PeriodicalId":249041,"journal":{"name":"2016 North American Power Symposium (NAPS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124407467","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
An initial study of ambient noise in synchrophasor measurements 同步相量测量中环境噪声的初步研究
2016 North American Power Symposium (NAPS) Pub Date : 2016-09-01 DOI: 10.1109/NAPS.2016.7747881
Md. Arif Khan, J. Pierre, D. Trudnowski, S. Wulff
{"title":"An initial study of ambient noise in synchrophasor measurements","authors":"Md. Arif Khan, J. Pierre, D. Trudnowski, S. Wulff","doi":"10.1109/NAPS.2016.7747881","DOIUrl":"https://doi.org/10.1109/NAPS.2016.7747881","url":null,"abstract":"The characteristics of ambient noise in synchrophasor measurements are investigated for different random load models. A theoretical discussion is provided relating the power spectral density (PSD) and probability density function (PDF) of the random load variations with the observed ambient noise in the synchrophasor measurements. The PSD and the PDF of ambient noise from actual synchrophasor measurements from the Western Electricity Coordinating Council (WECC) system were studied. Ambient noise was also simulated using a linearized simulation platform representing the WECC system. Both the theoretical and simulated results show that the ambient noise is approximately Gaussian when only wide-sense-stationary condition is met irrespective of the underlying distributions of the random load variations. In addition, the results show that the visibility of system modes in the noise spectrum remains unaffected for a wide-range of statistically different white, filtered white, and pink random load models.","PeriodicalId":249041,"journal":{"name":"2016 North American Power Symposium (NAPS)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114883818","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
Evaluation of the effects of photovoltaic systems on voltage quality 光伏系统对电压质量影响的评价
2016 North American Power Symposium (NAPS) Pub Date : 2016-09-01 DOI: 10.1109/NAPS.2016.7747950
Deniz Sengul, M. Gol
{"title":"Evaluation of the effects of photovoltaic systems on voltage quality","authors":"Deniz Sengul, M. Gol","doi":"10.1109/NAPS.2016.7747950","DOIUrl":"https://doi.org/10.1109/NAPS.2016.7747950","url":null,"abstract":"Because of the governmental incentives, the distributed photovoltaic systems are populating rapidly in Turkish Electric System. This work aims to evaluate the effects of those plants to the electrical system in terms of voltage quality by focusing on the specific example of the solar plant being built under the National Solar Power Plant Development Project (Milli Günes Enerjisi Santrali Gelistirilmesi Projesi, MILGES). In order to be able to evaluate the effects of the PV system under the most challenging situations in terms of power quality, it is assumed that the solar plant is connected to a substation that also supplies an iron and steel plant with an electric arc furnace (EAF). The EAF system is modeled based on the collected real field data, while PV system parameters are obtained from the project documents.","PeriodicalId":249041,"journal":{"name":"2016 North American Power Symposium (NAPS)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117072169","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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