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2018 20th National Power Systems Conference (NPSC)最新文献

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An Efficient Parallel Resonant Converter for LED Lighting 用于LED照明的高效并联谐振变换器
2018 20th National Power Systems Conference (NPSC) Pub Date : 2018-12-01 DOI: 10.1109/NPSC.2018.8771439
R. Jagadeesh, N. Vishwanathan, S. Porpandiselvi
{"title":"An Efficient Parallel Resonant Converter for LED Lighting","authors":"R. Jagadeesh, N. Vishwanathan, S. Porpandiselvi","doi":"10.1109/NPSC.2018.8771439","DOIUrl":"https://doi.org/10.1109/NPSC.2018.8771439","url":null,"abstract":"An LED driver is presented using parallel loaded resonant converter. Output voltage of this converter added to a dc source to feed the lamp load. One voltage source supplies majority of lamp power directly and other supplies a small power through parallel resonant converter for regulation. This driver features zero voltage switching (ZVS), high efficiency and simple control. Illumination control is incorporated using PWM dimming. A 26 W prototype has been developed to confirm its validity.","PeriodicalId":185930,"journal":{"name":"2018 20th National Power Systems Conference (NPSC)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133331490","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 maiden application of modified grey wolf algorithm optimized cascade tilt-integral-derivative controller in load frequency control 改进灰狼算法优化级联倾斜积分导数控制器在负荷频率控制中的首次应用
2018 20th National Power Systems Conference (NPSC) Pub Date : 2018-12-01 DOI: 10.1109/NPSC.2018.8771738
Dipayan Guha, P. Roy, Subrata Banerjee
{"title":"A maiden application of modified grey wolf algorithm optimized cascade tilt-integral-derivative controller in load frequency control","authors":"Dipayan Guha, P. Roy, Subrata Banerjee","doi":"10.1109/NPSC.2018.8771738","DOIUrl":"https://doi.org/10.1109/NPSC.2018.8771738","url":null,"abstract":"Retaining area frequency to its steady-state value following load variation is one of the critical concerns in the control and operation of a multi-area interconnected power plant. This study exhibits a maiden application of cascade tilt-integral-derivative (CC-TID) controller in load frequency control (LFC) of a power system. The TID-controller is employed as a slave controller, and conventional proportional-integral (PI) controller is utilized as a master controller while designing CC-TID controller. To reveal the effectiveness of the CC-TID controller, a four-area interconnected power plant is investigated. The controller parameters are simultaneously optimized by implementing modified grey wolf optimization (mGWO) algorithm. The effectiveness of the CC-TID controller is compared with I-, PID-, PI-PD, and TID-controllers for the same test system. The comparison reveals that CC-TID yields better output compared to other controllers concerning peak overshoot, undershoot, and settling time. Moreover, the supremacy of mGWO-algorithm is confirmed over flower pollination algorithm (FPA). The system is investigated with step load and random load disturbances.","PeriodicalId":185930,"journal":{"name":"2018 20th National Power Systems Conference (NPSC)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124340607","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
Variable Frequency Controlled Two-Load Induction Cooking System 变频控制双负荷感应蒸煮系统
2018 20th National Power Systems Conference (NPSC) Pub Date : 2018-12-01 DOI: 10.1109/NPSC.2018.8771758
R. Snehalatha, N. Vishwanathan, S. Porpandiselvi
{"title":"Variable Frequency Controlled Two-Load Induction Cooking System","authors":"R. Snehalatha, N. Vishwanathan, S. Porpandiselvi","doi":"10.1109/NPSC.2018.8771758","DOIUrl":"https://doi.org/10.1109/NPSC.2018.8771758","url":null,"abstract":"Two-load induction heating system is presented using variable frequency control. Both loads are operated with different frequencies. A H-bridge inverter output powers both loads. Series resonant concept is used with each load circuit. Each leg of the bridge inverter operates at different frequency. Load power control is achieved by variation of the operating frequency of each leg. Simulation results validate the performance of the presented system. High efficiency is possible due to soft switching operation of the inverter.","PeriodicalId":185930,"journal":{"name":"2018 20th National Power Systems Conference (NPSC)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127677898","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
Profit Based Self Scheduling of Virtual Power Plant Under Multiple Locational Marginal Prices 多站点边际电价下基于利润的虚拟电厂自调度
2018 20th National Power Systems Conference (NPSC) Pub Date : 2018-12-01 DOI: 10.1109/NPSC.2018.8771827
Meenakshi Khandelwal, Parul Mathuria, R. Bhakar
{"title":"Profit Based Self Scheduling of Virtual Power Plant Under Multiple Locational Marginal Prices","authors":"Meenakshi Khandelwal, Parul Mathuria, R. Bhakar","doi":"10.1109/NPSC.2018.8771827","DOIUrl":"https://doi.org/10.1109/NPSC.2018.8771827","url":null,"abstract":"Integration of DERs and prosumers as a single plant to obtain allied benefits via market interface introduces the concept of Virtual Power Plant (VPP). This aggregation imposes techno-economic challenges on VPP operator while participating into LMP based wholesale market. Moreover, widely dispersed DERs connected at different nodes with transmission bus experiences multiple Locational Marginal Prices (LMPs). This would impact VPP scheduling and trading decisions, hence require in-depth investigations. In this regard, this paper presents a mathematical exposition for network constrained VPP scheduling with LMP based wholesale market participation. IEEE 30-bus system is modified to implement the proposed model. Results demonstrate that multiple LMPs substantially help VPP operator in optimal resource allocation while maintaining network flows within limits. Further, power mismatch is traded into LMP based market through multiple nodes to maximize its profit. Proposed model would help VPP operator to maintain a consistent system in view of technical and market aspects.","PeriodicalId":185930,"journal":{"name":"2018 20th National Power Systems Conference (NPSC)","volume":"418 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116715997","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 Validation of CCM and DCM Operations of Semi-Bridgeless Boost Rectifier for Power Quality Improvement in UPS System 半无桥升压整流器CCM和DCM操作对UPS系统电能质量改善的实验验证
2018 20th National Power Systems Conference (NPSC) Pub Date : 2018-12-01 DOI: 10.1109/NPSC.2018.8771813
S. Rajasekar, V. Karthikeyan, N. Kumaresan
{"title":"Experimental Validation of CCM and DCM Operations of Semi-Bridgeless Boost Rectifier for Power Quality Improvement in UPS System","authors":"S. Rajasekar, V. Karthikeyan, N. Kumaresan","doi":"10.1109/NPSC.2018.8771813","DOIUrl":"https://doi.org/10.1109/NPSC.2018.8771813","url":null,"abstract":"This paper discusses experimental validation of semi-bridgeless boost rectifier (SBBR) operation of continuous conduction mode (CCM) & discontinuous conduction mode (DCM) for power quality improvement in uninterrupted power supply (UPS) system. The double stage conversion in UPS attenuates power quality at the input side and output configuration of the system. Many researchers have proposed the improvement of power quality with CCM and DCM operations for ac-dc conversion stage in bridge and bridgeless rectifier, but there is lack of knowledge about their performance and drawbacks of CCM and DCM operation with SBBR topology. This paper focuses on experimental analysis of SBBR topology operating in CCM and DCM under different load ranges. The performance of power quality factors and efficiency of SBBR operating in CCM and DCM are addressed. To study the stability analysis of SBBR operation in CCM and DCM, a comprehensive small signal model is derived by analyzing the inductor current waveforms. PSCAD simulations have obtained theoretical study of SBBR with CCM and DCM operations and experimental validation is carried out through FPGA Spartan 3A processor.","PeriodicalId":185930,"journal":{"name":"2018 20th National Power Systems Conference (NPSC)","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115368856","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
Comparative Performance Analysis of Optimization Based Distribution System State Estimator with Varying Measurement Uncertainties 不同测量不确定度下基于优化的配电系统状态估计器性能比较分析
2018 20th National Power Systems Conference (NPSC) Pub Date : 2018-12-01 DOI: 10.1109/NPSC.2018.8771865
R. Dutta, A. Dubey, S. Chakrabarti, A. Sharma
{"title":"Comparative Performance Analysis of Optimization Based Distribution System State Estimator with Varying Measurement Uncertainties","authors":"R. Dutta, A. Dubey, S. Chakrabarti, A. Sharma","doi":"10.1109/NPSC.2018.8771865","DOIUrl":"https://doi.org/10.1109/NPSC.2018.8771865","url":null,"abstract":"State estimator (SE) is the core of every distribution system analysis software. Quality of the state estimates depends on the quality of measurements available. Most distribution systems are sparsely monitored. Therefore, any information available is of utmost importance. A state estimator uses large number of pseudo and virtual measurements in addition to real measurements, for performing distribution system state estimation. Typical characteristics of a distribution system and also the inclusion of virtual measurement in state estimation causes convergence issues due to ill-conditioning of gain matrix. This paper aims at developing a detailed three-phase model of a distribution network and explores the application of state of the art convex optimization techniques for distribution system state estimation. A comparative study of these methods on accuracy and convergence of a distribution system state estimator is also presented.","PeriodicalId":185930,"journal":{"name":"2018 20th National Power Systems Conference (NPSC)","volume":"79 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116157090","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 New Choice Based Home Energy Management System Using Electric Springs 一种基于电动弹簧的新型家庭能源管理系统
2018 20th National Power Systems Conference (NPSC) Pub Date : 2018-12-01 DOI: 10.1109/NPSC.2018.8771858
S. Cherukuri, B. Saravanan, K. Swarup
{"title":"A New Choice Based Home Energy Management System Using Electric Springs","authors":"S. Cherukuri, B. Saravanan, K. Swarup","doi":"10.1109/NPSC.2018.8771858","DOIUrl":"https://doi.org/10.1109/NPSC.2018.8771858","url":null,"abstract":"The work proposed in this article proposes a different energy management scheme for residential consumers having higher penetration of solar power and heating loads. The presented methodology assumes the heating loads present in the residence as non-critical loads and tries to operate them in power saving mode, whenever necessary. In the considered scheme non-critical loads are connected in series with AC electric springs which in turn schedule them as per the requirement. The major scope of this work is to make the non-critical loads consume lesser power by pressing springs into action in the presence of solar power. It is expected that the springs compliment the efforts of solar panels in reduction of power consumed from utility grid, daily peaks and energy purchase from the utility grid. In order to implement the proposed methodology a completely customer driven home energy management algorithm is proposed and the robustness of the same is tested on a residential consumer, considering a 24 load curve. The simulation studies for the projected methodology are performed in MATLAB.","PeriodicalId":185930,"journal":{"name":"2018 20th National Power Systems Conference (NPSC)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114239971","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
Load frequency control of a single area hybrid power system by using integral and LQR based integral controllers 利用积分控制器和基于LQR的积分控制器对单区混合电力系统的负荷频率进行控制
2018 20th National Power Systems Conference (NPSC) Pub Date : 2018-12-01 DOI: 10.1109/NPSC.2018.8771727
Rajasi Mandal, K. Chatterjee, Bhavesh Patil
{"title":"Load frequency control of a single area hybrid power system by using integral and LQR based integral controllers","authors":"Rajasi Mandal, K. Chatterjee, Bhavesh Patil","doi":"10.1109/NPSC.2018.8771727","DOIUrl":"https://doi.org/10.1109/NPSC.2018.8771727","url":null,"abstract":"The paper presents a mathematical state space model to design load frequency controllers for a single area power system consisting of thermal, hydro, gas and doubly fed induction generator based wind power generation sources. Load frequency control maintains the frequency of a power system within a prescribed limit. Different types of controllers can be used for load frequency control (LFC) of the power system. In this paper, two various kinds of controllers have used for LFC of the system. Integral (I) controller is a classical approach of LFC whereas linear quadratic regulator based integral (LQR-I) controller optimally controls all the states through the full-state feedback LQR controller. After studying and comparing the results, it has been observed that LQR-I controller provides better LFC in terms of settling time, overshoot etc and better stability to the system compared to the integral (I) controller.","PeriodicalId":185930,"journal":{"name":"2018 20th National Power Systems Conference (NPSC)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125412977","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
Effect of PV and FACTS on Small Signal Stability PV和FACTS对小信号稳定性的影响
2018 20th National Power Systems Conference (NPSC) Pub Date : 2018-12-01 DOI: 10.1109/NPSC.2018.8771832
Adhishree Srivastava, R. Meena, S. Parida
{"title":"Effect of PV and FACTS on Small Signal Stability","authors":"Adhishree Srivastava, R. Meena, S. Parida","doi":"10.1109/NPSC.2018.8771832","DOIUrl":"https://doi.org/10.1109/NPSC.2018.8771832","url":null,"abstract":"Renewable Energy sources like Photovoltaic (PV) systems are available in present grids. Under small signal disturbances, the presence of PV affects the stability. In this paper both PV and various Flexible AC Transmission system (FACTS) devices has been added in a standard two area systems for stability studies. This has been done by comparing the damping offered by different FACTS devices and PV. The detailed analysis is done using time domain simulations. The steady state stability as well as voltage profile is also thoroughly discussed. All the simulations and analysis are performed in PSAT toolbox of MATLAB.","PeriodicalId":185930,"journal":{"name":"2018 20th National Power Systems Conference (NPSC)","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125478243","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
Generation of PWM Schemes for Power Electronic Converters 电力电子变换器PWM方案的产生
2018 20th National Power Systems Conference (NPSC) Pub Date : 2018-12-01 DOI: 10.1109/NPSC.2018.8771819
S. B. Santra, K. Bhattacharya, Tanmoy Roy Chudhury, D. Chatterjee
{"title":"Generation of PWM Schemes for Power Electronic Converters","authors":"S. B. Santra, K. Bhattacharya, Tanmoy Roy Chudhury, D. Chatterjee","doi":"10.1109/NPSC.2018.8771819","DOIUrl":"https://doi.org/10.1109/NPSC.2018.8771819","url":null,"abstract":"Advanced Digital Signal Processors (DSP) have the capability to generate complex Pulse Width Modulation (PWM) signals for power electronics converter applications. Floating point processors like DS-1104, FPGA Spartan 6 are popular because of their capability of solving complex mathematics and MATLAB integration feature. But owing to larger space and higher cost requirement these processors can't be used as embedded processor. In this article low cost floating point DSP processor TMS320F28379D is tested for generating complex PWM signals. The result shows generation of PWM is easier and can be adopted for designing power electronics converters.","PeriodicalId":185930,"journal":{"name":"2018 20th National Power Systems Conference (NPSC)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126636257","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
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