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Voltage sag assessment of distribution system using Monte Carlo simulation 基于蒙特卡罗仿真的配电系统电压暂降评估
2015 International Conference on Energy, Power and Environment: Towards Sustainable Growth (ICEPE) Pub Date : 2015-06-12 DOI: 10.1109/EPETSG.2015.7510082
Jagannath Patra, G. H. Reddy, A. Goswami
{"title":"Voltage sag assessment of distribution system using Monte Carlo simulation","authors":"Jagannath Patra, G. H. Reddy, A. Goswami","doi":"10.1109/EPETSG.2015.7510082","DOIUrl":"https://doi.org/10.1109/EPETSG.2015.7510082","url":null,"abstract":"This paper compares analytical and Monte Carlo Simulation (MCS) methods for assessment of voltage sags. For comparing two methods, symmetrical and unsymmetrical faults are considered and fault locations are randomly selected along the lines using probability distributions. Mean time of occurrence of a fault is calculated based on the probabilistic nature of occurring faults. The proposed method is applied to a practical Indian distribution system. The voltage sags magnitude of different buses are calculated and results are compared with the earlier proposed analytical method.","PeriodicalId":301088,"journal":{"name":"2015 International Conference on Energy, Power and Environment: Towards Sustainable Growth (ICEPE)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125334364","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 novel approach for transmission line fault location using synchro phasor measurement 基于同步相量测量的输电线路故障定位新方法
2015 International Conference on Energy, Power and Environment: Towards Sustainable Growth (ICEPE) Pub Date : 2015-06-12 DOI: 10.1109/EPETSG.2015.7510136
M. Lohith, P. Babu, Saptarshi Roy, K. V. Ramana Reddy
{"title":"A novel approach for transmission line fault location using synchro phasor measurement","authors":"M. Lohith, P. Babu, Saptarshi Roy, K. V. Ramana Reddy","doi":"10.1109/EPETSG.2015.7510136","DOIUrl":"https://doi.org/10.1109/EPETSG.2015.7510136","url":null,"abstract":"Now a days the power system structure is growing continuously. So the reliability has become a big task for the protection engineers. This paper presents a fast and accurate fault detection technique which is very much useful for reliable operation of the power systems. To achieve fastness and reliable operation various new technologies have been used but out of all the available equipment the use of phasor measurement unit have brought the reliability index to a significant level. An intelligent approach for fault detection has been used in this paper which adapts for changes in the operation level. It uses synchronized samples of the operation voltages and currents from both the ends of the transmission line to detect, and classify the fault. This technique has been implemented on IEEE 57 bus system and it was found that this method has given better results than the methods proposed earlier. With the use of modern equipment which limits the time of operation for few cycles, the time window can be reduced significantly.","PeriodicalId":301088,"journal":{"name":"2015 International Conference on Energy, Power and Environment: Towards Sustainable Growth (ICEPE)","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127724553","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
Influence of viscosity and conductivity of water droplets on partial discharge inception voltages of polymeric insulating surfaces 水滴粘度和电导率对聚合物绝缘表面局部放电起始电压的影响
2015 International Conference on Energy, Power and Environment: Towards Sustainable Growth (ICEPE) Pub Date : 2015-06-12 DOI: 10.1109/EPETSG.2015.7510067
S. Chatterjee, M. Nazemi
{"title":"Influence of viscosity and conductivity of water droplets on partial discharge inception voltages of polymeric insulating surfaces","authors":"S. Chatterjee, M. Nazemi","doi":"10.1109/EPETSG.2015.7510067","DOIUrl":"https://doi.org/10.1109/EPETSG.2015.7510067","url":null,"abstract":"This paper investigates the partial discharge inception voltage of a single water droplet with different conductivities and viscosities on silicon rubber insulator surface under the impact of tangential AC electric field stress. Outdoor polymeric insulators are subjected to different environmental conditions, causing the formation of different types of water droplets like rain water, fog, saline water etc. on the surface. In this contribution, the conductivity and viscosity of the water droplet have been varied independently in a wide range and the partial discharge inception voltage of the insulating surface in the presence of water droplets has been measured. The investigations are carried out at 50 Hz for 20 μl, 60 μl and 100 μl water droplets. It has been observed that conductivity has almost no effect on partial discharge inception voltage, but the increased viscosity of water droplet results in a higher inception voltage for all volumes.","PeriodicalId":301088,"journal":{"name":"2015 International Conference on Energy, Power and Environment: Towards Sustainable Growth (ICEPE)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127815849","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
Constant observation matrix based power systems state estimation 基于恒观测矩阵的电力系统状态估计
2015 International Conference on Energy, Power and Environment: Towards Sustainable Growth (ICEPE) Pub Date : 2015-06-12 DOI: 10.1109/EPETSG.2015.7510100
S. Mallick, B. Mishra, S. S. Thakur, N. Thakur
{"title":"Constant observation matrix based power systems state estimation","authors":"S. Mallick, B. Mishra, S. S. Thakur, N. Thakur","doi":"10.1109/EPETSG.2015.7510100","DOIUrl":"https://doi.org/10.1109/EPETSG.2015.7510100","url":null,"abstract":"This paper presents a new technique of state estimation using complex bus injection currents, extracted from bus active and reactive power measurements and constant observation matrix. The proposed scheme is fast as it does not require calculation of Jacobian matrix during the iterations. The proposed technique has been tested on IEEE 5-bus, 14-bus, 30-bus, 57-bus and 118-bus test systems under different simulated operating conditions and the test results are presented. The performances of the proposed technique have been compared with the same of Extended Kalman Filter (EKF) technique. The results and error analysis presented clearly reveal the superiority of the proposed scheme under all test conditions.","PeriodicalId":301088,"journal":{"name":"2015 International Conference on Energy, Power and Environment: Towards Sustainable Growth (ICEPE)","volume":"259 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134105747","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 robust stability analysis approach for discrete-time system with time-varying delay 一种新的时变时滞离散系统鲁棒稳定性分析方法
2015 International Conference on Energy, Power and Environment: Towards Sustainable Growth (ICEPE) Pub Date : 2015-06-12 DOI: 10.1109/EPETSG.2015.7510093
Mukesh Kumar, D. Das, Sudish Kumar Singh, Sandip Ghosh
{"title":"A new robust stability analysis approach for discrete-time system with time-varying delay","authors":"Mukesh Kumar, D. Das, Sudish Kumar Singh, Sandip Ghosh","doi":"10.1109/EPETSG.2015.7510093","DOIUrl":"https://doi.org/10.1109/EPETSG.2015.7510093","url":null,"abstract":"In this paper, a robust stability analysis approach is proposed for a discrete-time system with time-varying delay. The uncertainty is assumed to be norm-bounded. The developed criterion is terms of Linear Matrix Inequality (LMI) based on Lyapunov-Krasovskii approach. To obtain such criterion matrix variable approach is used. To demonstrate the proposed criterion some examples are considered.","PeriodicalId":301088,"journal":{"name":"2015 International Conference on Energy, Power and Environment: Towards Sustainable Growth (ICEPE)","volume":"194 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133528675","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
MPPT of solar photovoltaic cell using perturb & observe and fuzzy logic controller algorithm for buck-boost DC-DC converter 利用摄动观察和模糊逻辑控制器算法对降压型DC-DC变换器进行太阳能光伏电池MPPT控制
2015 International Conference on Energy, Power and Environment: Towards Sustainable Growth (ICEPE) Pub Date : 2015-06-12 DOI: 10.1109/EPETSG.2015.7510125
R. Blange, C. Mahanta, A. Gogoi
{"title":"MPPT of solar photovoltaic cell using perturb & observe and fuzzy logic controller algorithm for buck-boost DC-DC converter","authors":"R. Blange, C. Mahanta, A. Gogoi","doi":"10.1109/EPETSG.2015.7510125","DOIUrl":"https://doi.org/10.1109/EPETSG.2015.7510125","url":null,"abstract":"Solar Photovoltaic (PV) power keeps changing with solar insolation(S) and ambient temperature (T) because PV cell exhibits non-linear current-voltage characteristic. So the Maximum Power Point (MPP) varies with the changing S and T. However with the advancement of power electronics converter technology, it is now possible to operate the PV power at its MPP in order to improve the overall efficiency. This paper presents maximum power point tracking (MPPT) based on Perturb & Observe (P&O) and Fuzzy Logic Controller (FLC) for PV with dc-dc buck boost converter for the purpose of performance evaluation and comparison analysis thereof. Both the algorithms were simulated in MATLAB-Simulink with 100W PV module (Solar Alpex Panel 1552P-3613G-166109) connected to buck-boost dc-dc converter. The results of simulation and analysis indicate that the proposed FLC algorithms provide better MPP than that of conventional P&O method. FLC algorithms significantly improve the efficiency of MPPT and provides faster responses particularly during fast changing environmental conditions besides the fact that it is simple and can be implemented with PIC Microcontroller or FPGA.","PeriodicalId":301088,"journal":{"name":"2015 International Conference on Energy, Power and Environment: Towards Sustainable Growth (ICEPE)","volume":"127 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115001896","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: 25
Design and analysis of open loop model of a Permanent Magnet Synchronous Motor (PMSM) drive 永磁同步电机(PMSM)驱动开环模型设计与分析
2015 International Conference on Energy, Power and Environment: Towards Sustainable Growth (ICEPE) Pub Date : 2015-06-12 DOI: 10.1109/EPETSG.2015.7510176
Chiranjit Sain, P. Biswas, A. Banerjee
{"title":"Design and analysis of open loop model of a Permanent Magnet Synchronous Motor (PMSM) drive","authors":"Chiranjit Sain, P. Biswas, A. Banerjee","doi":"10.1109/EPETSG.2015.7510176","DOIUrl":"https://doi.org/10.1109/EPETSG.2015.7510176","url":null,"abstract":"This paper presents the development of an open loop model of a Permanent Magnet Synchronous Motor (PMSM) drive fed from a 3 phase bridge inverter and operating under self-control mode with the rotor position information. Permanent Magnet Synchronous Motors (PMSM) are widely used in AC servo drives because of its high torque to inertia ratio, high power density, high efficiency and power factor as compared to other conventional drive motors. The different performance indices of the system like speed, electromagnetic torque, phase voltage, phase current, rotor position etc. have been executed in MATLAB environment.","PeriodicalId":301088,"journal":{"name":"2015 International Conference on Energy, Power and Environment: Towards Sustainable Growth (ICEPE)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115574051","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
Interleaved DC to DC buck converter for low power application 用于低功率应用的交错直流到直流降压变换器
2015 International Conference on Energy, Power and Environment: Towards Sustainable Growth (ICEPE) Pub Date : 2015-06-12 DOI: 10.1109/EPETSG.2015.7510110
Nirmal, P. Jain, Amit Kumar
{"title":"Interleaved DC to DC buck converter for low power application","authors":"Nirmal, P. Jain, Amit Kumar","doi":"10.1109/EPETSG.2015.7510110","DOIUrl":"https://doi.org/10.1109/EPETSG.2015.7510110","url":null,"abstract":"This paper explains the use of DC to DC Buck Converters for low power application. In many power applications like various microcontrollers, several electronic ICs, laptops, traction signaling, electric vehicles etc, low dc voltage supply is required in controlled manner. The proposed DC-DC converter with interleaved technique can step down a high DC voltage to very low DC voltage with lesser voltage ripple and low value of inductor and capacitor thus reducing the size. With conventional buck chopper for converting high voltage to low voltage, very small duty cycle is required which further adds several limitations on different components and triggering circuitry and requires relatively high values of inductor and capacitor to insure permissible current ripple and voltage ripple i.e. within limits. Simulations have been performed using MATLAB / SIMULINK. All results clearly show that very low voltage can be obtained using proposed topology. Moreover, the desired values of the output voltages can be numerically calculated which absolutely match with simulation results.","PeriodicalId":301088,"journal":{"name":"2015 International Conference on Energy, Power and Environment: Towards Sustainable Growth (ICEPE)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123704088","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
Multistage optimal placement of phasor measurement unit 相量测量单元多级优化布置
2015 International Conference on Energy, Power and Environment: Towards Sustainable Growth (ICEPE) Pub Date : 2015-06-12 DOI: 10.1109/EPETSG.2015.7510087
Chaw Chuaong Shyam, Papu Rabha, A. Sinha
{"title":"Multistage optimal placement of phasor measurement unit","authors":"Chaw Chuaong Shyam, Papu Rabha, A. Sinha","doi":"10.1109/EPETSG.2015.7510087","DOIUrl":"https://doi.org/10.1109/EPETSG.2015.7510087","url":null,"abstract":"This paper is concerned about the optimal allocation of Phasor Measurement Units and at the same time ensuring the complete network observability with the available Phasor Measurement Units. Due to large interconnection of the power system it is not possible to allocate Phasor Measurement Units at strategic location in one go. So, in this paper a multistage (three stages) optimal placement of Phasor Measurement Units method is proposed based on network connectivity information. This paper consist of two parts viz. Part 1 represents the optimal placement of Phasor Measurement Units considering the power system operating at normal condition and Part 2 represents the optimal placement of Phasor Measurement Units considering contingency cases like single line of the system or single Phasor Measurement Units of the system outages. In both these methods complete observability of power system is assured with the optimally placed Phasor Measurement Units.","PeriodicalId":301088,"journal":{"name":"2015 International Conference on Energy, Power and Environment: Towards Sustainable Growth (ICEPE)","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125079056","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
Power loss and voltage regulation calculation in a radial system with distributed generations and voltage regulators 具有分布式电源和调压器的径向系统的功率损耗和电压调整计算
2015 International Conference on Energy, Power and Environment: Towards Sustainable Growth (ICEPE) Pub Date : 2015-06-12 DOI: 10.1109/EPETSG.2015.7510127
R. R. Kumar, Amit Jain
{"title":"Power loss and voltage regulation calculation in a radial system with distributed generations and voltage regulators","authors":"R. R. Kumar, Amit Jain","doi":"10.1109/EPETSG.2015.7510127","DOIUrl":"https://doi.org/10.1109/EPETSG.2015.7510127","url":null,"abstract":"One of the important application of load flow solution is computing the power loss and voltage regulation of the system. This paper studies the effect of distributed generations (DG) and voltage regulators (VR) on voltage profile and efficiency of a radial system. In order to obtain the load flow solution of the radial system, a quadratic equation based backward forward sweep technique have been employed in this paper. A method have been proposed in this paper for handling multiple PV buses in the backward forward sweep algorithm. The proposed algorithm is tested on a 31-bus radial distribution system. The results of the test are presented in this paper for four different cases namely: with absence of both DG and VR, with only DG and VR individually and with both DG and VR combined.","PeriodicalId":301088,"journal":{"name":"2015 International Conference on Energy, Power and Environment: Towards Sustainable Growth (ICEPE)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122451136","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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