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Mathematical modelling of dynamic soil resistivity under transient conditions 瞬态条件下动态土壤电阻率的数学建模
2017 International Conference on Technological Advancements in Power and Energy ( TAP Energy) Pub Date : 2017-12-01 DOI: 10.1109/TAPENERGY.2017.8397294
A. S. Kumar, K. Manickavasagam
{"title":"Mathematical modelling of dynamic soil resistivity under transient conditions","authors":"A. S. Kumar, K. Manickavasagam","doi":"10.1109/TAPENERGY.2017.8397294","DOIUrl":"https://doi.org/10.1109/TAPENERGY.2017.8397294","url":null,"abstract":"It is critical to design an earthing system for transient conditions such as lightning strikes, over voltages, surges etc., for which the estimation of soil resistivity under transient conditions is essential. The soil resistivity varies dynamically under transient conditions and hence the estimation of dynamic soil resistivity is difficult process. In this work, under lightning impulse conditions, the dynamic soil resistivity profile is created by simulations considering soil ionization for different soil resistivity, ionization and deionization time constants. Based on the simulation results, dynamics soil resistivity modeled mathematically to compute ionization and deionization resistivity. The results infer that the dynamic soil resistivity depends on permeability, permittivity and lightning impulse rise time and does not depend upon earth electrode dimension.","PeriodicalId":237016,"journal":{"name":"2017 International Conference on Technological Advancements in Power and Energy ( TAP Energy)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123392465","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
Temperature dependent optimal power flow 温度相关的最佳功率流
2017 International Conference on Technological Advancements in Power and Energy ( TAP Energy) Pub Date : 2017-12-01 DOI: 10.1109/TAPENERGY.2017.8397287
Anwesha Ghosh, V. Mukherjee
{"title":"Temperature dependent optimal power flow","authors":"Anwesha Ghosh, V. Mukherjee","doi":"10.1109/TAPENERGY.2017.8397287","DOIUrl":"https://doi.org/10.1109/TAPENERGY.2017.8397287","url":null,"abstract":"To improve the accuracy of losses in case of power flow calculation, corrected branch resistance must be considered which has taken as constant in conventional power flow. Recently, sine cosine algorithm (SCA) is proposed for the solution of global optimization problem. New stochastic SCA optimization adaptively balances the exploration and exploitation to find the optimal solution quickly. The effectiveness of the proposed SCA has been analyzed on IEEE 30-bus test power systems for the solution of temperature dependent optimal power flow with different objectives that reflect minimization of fuel cost or active power loss. The results presented in this paper compared to other evolutionary optimization techniques which shows that the proposed SCA algorithm outperforms the other techniques in terms of convergence rate and global search ability.","PeriodicalId":237016,"journal":{"name":"2017 International Conference on Technological Advancements in Power and Energy ( TAP Energy)","volume":"2018 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125302723","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: 7
Phase advance compensation of voltage sags using full bridge inverter based DVR 基于全桥逆变器的DVR电压跌落相位超前补偿
2017 International Conference on Technological Advancements in Power and Energy ( TAP Energy) Pub Date : 2017-12-01 DOI: 10.1109/TAPENERGY.2017.8397236
V. Remya, P. Parthiban, Avinash Nandakumar
{"title":"Phase advance compensation of voltage sags using full bridge inverter based DVR","authors":"V. Remya, P. Parthiban, Avinash Nandakumar","doi":"10.1109/TAPENERGY.2017.8397236","DOIUrl":"https://doi.org/10.1109/TAPENERGY.2017.8397236","url":null,"abstract":"Voltage sag is considered as the most expensive power quality problem. With the advent of power electronics, custom power devices are introduced to mitigate the sag issues. Among the custom power devices, Dynamic Voltage Restorer (DVR) is the most cost-effective one. The voltage injected in series by the DVR compensates the load profile during sag events. The compensation techniques such as in-phase, energy minimized and phase advance methods determine the way in which the DVR voltage is injected into the grid. By providing a phase advance to the DVR voltage with respect to the supply voltage gives the merit of reduced active power injection and thereby reduces the rating of energy storage. The disadvantages such as increased DVR voltage magnitude, phase shift, load swings and discontinuity of wave shape are associated with this compensation technique. This method is suitable for magnitude sensitive loads. This paper presents simulation results showing the compensation of both sag and swell using phase advance compensation.","PeriodicalId":237016,"journal":{"name":"2017 International Conference on Technological Advancements in Power and Energy ( TAP Energy)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131793824","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
Investigation of intake manifold water injection to reduce NOx emission of lean burn natural gas engine 进气歧管注水降低稀燃天然气发动机NOx排放的研究
2017 International Conference on Technological Advancements in Power and Energy ( TAP Energy) Pub Date : 2017-12-01 DOI: 10.1109/TAPENERGY.2017.8397276
Zhongbo Zhang, Lifu Li, Rongchao Zhao, Jiajie Ou
{"title":"Investigation of intake manifold water injection to reduce NOx emission of lean burn natural gas engine","authors":"Zhongbo Zhang, Lifu Li, Rongchao Zhao, Jiajie Ou","doi":"10.1109/TAPENERGY.2017.8397276","DOIUrl":"https://doi.org/10.1109/TAPENERGY.2017.8397276","url":null,"abstract":"Nitrogen oxide (NOx) is the main emission released from lean burn natural gas engine (LBNGE). In order to satisfy the stringent emission standards, NOx emission of LBNGE must be decreased. One of the known methods for reduction NOx emission is to apply water injection (WI) to engines, which has been widely researched on conventional fuel engines. However, effects of WI on NOx emission and combustion characteristics of LBNGE are not yet quite certain. In this study, effects of variable intake manifold water injection (IMWI) rates on NOx emission and combustion characteristics of LBNGE were investigated by a quasi-dimensional two-zone combustion model and a kinetic model for NOx emission prediction. The results demonstrate that, due to the decrease of in-cylinder temperature with IMWI, NOx emission of LBNGE is reduced by 45.7% with 2g/s IMWI rate in comparison with that without IMWI. However, with IMWI, the peak in-cylinder pressure of LBNGE and rate of pressure rise is decreased as well as peak pressure crank is increased, while the ignition delay and combustion duration are prolonged. Thus, the deterioration of in-cylinder combustion will be caused by the large IMWI rate.","PeriodicalId":237016,"journal":{"name":"2017 International Conference on Technological Advancements in Power and Energy ( TAP Energy)","volume":"221 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128326839","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
Design and simulation of stand-alone three phase power supply system using solar photo voltaics for industrial load application 工业负荷用太阳能光伏独立三相供电系统的设计与仿真
2017 International Conference on Technological Advancements in Power and Energy ( TAP Energy) Pub Date : 2017-12-01 DOI: 10.1109/TAPENERGY.2017.8397266
D. Ashwin, Ilango Karuppasamy, V. Gopal
{"title":"Design and simulation of stand-alone three phase power supply system using solar photo voltaics for industrial load application","authors":"D. Ashwin, Ilango Karuppasamy, V. Gopal","doi":"10.1109/TAPENERGY.2017.8397266","DOIUrl":"https://doi.org/10.1109/TAPENERGY.2017.8397266","url":null,"abstract":"Industries that are situated far away from grid access, industries which cannot tolerate frequent power outages and power quality issues would produce a portion or whole of their demand using fossil fuel based technologies in their site. Fossil fuel based technologies exhibit disadvantages like high operating cost, fluctuations of t he p rice of f uel, g reenhouse g as emission etc. Therefore, the use of renewable resources for electricity generation is gaining awareness. Inverters are predominantly used in such systems. Most commonly used the inverter in these applications is the three phase three leg voltage source inverter(VSI). When supplying unbalanced loads and nonlinear loads, the inverter performs with numerous problems such as poor dc link utilization, lower efficiency, high common mode volt-age(CMV) and adverse electromagnetic interference(EMI) effects. In this paper a standalone three phase four wire supply system utilizing solar photovoltaic system(PV), battery energy storage system(BESS) and a four leg VSI in developed. Zero sequence injected pulse width modulation(PWM) coupled with near state pulse width modulation(PWM) is chosen as the control scheme for the inverter. The proposed system is simulated under balanced as well as unbalanced load condition. The results are validated and verified in MATLAB.","PeriodicalId":237016,"journal":{"name":"2017 International Conference on Technological Advancements in Power and Energy ( TAP Energy)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130504401","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
Design and analysis of solar photovoltaic array fed modular full-bridge DC-DC converter for 12 kW SMPC 12kw SMPC太阳能光伏阵列馈电模块化全桥DC-DC变换器设计与分析
2017 International Conference on Technological Advancements in Power and Energy ( TAP Energy) Pub Date : 2017-12-01 DOI: 10.1109/TAPENERGY.2017.8397295
P. Prakash, R. Kalpana, Bhim Singh
{"title":"Design and analysis of solar photovoltaic array fed modular full-bridge DC-DC converter for 12 kW SMPC","authors":"P. Prakash, R. Kalpana, Bhim Singh","doi":"10.1109/TAPENERGY.2017.8397295","DOIUrl":"https://doi.org/10.1109/TAPENERGY.2017.8397295","url":null,"abstract":"This paper discusses the solar photovoltaic (SPV) array fed switched mode power converter (SMPC) using a modular full-bridge dc-dc converter as an intermediate converter. Among the different types of dc-dc converters, the straightforward and uncomplicated boost converter is selected in order to obtain the maximal power from the SPV array. The straightforward boost converter with reduced part count has inherent features of minimizing the output current ripples and possessing an unbounded region for maximum power point extraction. The improved efficiency of the converter is achieved by designing the SPV array to deliver maximum power at rated dc voltage and maximum switch utilization of the boost converter. The design, analysis and operating modes are explained for the proposed converter and the performance is validated through MATLAB/Simulink based simulation.","PeriodicalId":237016,"journal":{"name":"2017 International Conference on Technological Advancements in Power and Energy ( TAP Energy)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121103799","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
Stateflow based implementation of energy management for a DC grid using analog and digital control techniques 使用模拟和数字控制技术的基于状态流的直流电网能量管理实现
2017 International Conference on Technological Advancements in Power and Energy ( TAP Energy) Pub Date : 2017-12-01 DOI: 10.1109/TAPENERGY.2017.8397359
S. Sivanandan, V. Pandi, Ilango Karuppasamy
{"title":"Stateflow based implementation of energy management for a DC grid using analog and digital control techniques","authors":"S. Sivanandan, V. Pandi, Ilango Karuppasamy","doi":"10.1109/TAPENERGY.2017.8397359","DOIUrl":"https://doi.org/10.1109/TAPENERGY.2017.8397359","url":null,"abstract":"Involvement of renewable energy resources (RES) and energy storage systems (ESS) into the grid system has gained high acceptance in recent years. The plug-and-play feature of these distributed energy resources (DERs) causes various grid disturbances and this need to be prevented by efficient, effective and fast responding energy management (EM) techniques or systems (EMS). Till date several EMS have been explored by various researchers. The main focus of this work is to design, implement and analyze a Matlab/Simulink Stateflow model as well as a hardware prototype model of a DC system that is integrated with RES as well as EMS and to verify the effective functioning of the EMS. The EMS is implemented by incorporating both analog and digital techniques to provide efficient and effective energy management of the system.","PeriodicalId":237016,"journal":{"name":"2017 International Conference on Technological Advancements in Power and Energy ( TAP Energy)","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130655463","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
Solar powered intelligent electric wheel chair with health monitoring system 配有健康监测系统的太阳能智能电动轮椅
2017 International Conference on Technological Advancements in Power and Energy ( TAP Energy) Pub Date : 2017-12-01 DOI: 10.1109/TAPENERGY.2017.8397319
A. Aswathy, G. M. Sukumar, M. Swapnil, V. A. Kumar, Akshay Krishna, C. Asha, V. Pandi
{"title":"Solar powered intelligent electric wheel chair with health monitoring system","authors":"A. Aswathy, G. M. Sukumar, M. Swapnil, V. A. Kumar, Akshay Krishna, C. Asha, V. Pandi","doi":"10.1109/TAPENERGY.2017.8397319","DOIUrl":"https://doi.org/10.1109/TAPENERGY.2017.8397319","url":null,"abstract":"Physically disabled persons face many difficulties associated with their mobility problem. The solar powered electric wheel chair with health monitoring system is proposed in this work to ensure more comfortable in travel and life for the physically challenged people. The electric wheel chair is integrated with pulse sensor which measures the heart beat of the person and the load cell attached to it ensures the presence of the person sitting on the wheel chair. The ultrasonic sensor implemented in the wheel chair informs the obstacle around the person and the LDR attached to it provides emergency lighting when it senses the darkness. These features make the solar electric wheel chair an intelligent one and are very useful for the physically disabled people who want to be independent. The patients staying in the urban and rural areas can be remotely monitored with the help of health monitoring system incorporated in to this electric wheel chair and thus saving costs.","PeriodicalId":237016,"journal":{"name":"2017 International Conference on Technological Advancements in Power and Energy ( TAP Energy)","volume":"86 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116381823","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: 11
Optimal power flow with FACTS devices using artificial immune systems 使用人工免疫系统的FACTS设备的最佳功率流
2017 International Conference on Technological Advancements in Power and Energy ( TAP Energy) Pub Date : 2017-12-01 DOI: 10.1109/TAPENERGY.2017.8397213
J. Pattanaik, M. Basu, D. Dash
{"title":"Optimal power flow with FACTS devices using artificial immune systems","authors":"J. Pattanaik, M. Basu, D. Dash","doi":"10.1109/TAPENERGY.2017.8397213","DOIUrl":"https://doi.org/10.1109/TAPENERGY.2017.8397213","url":null,"abstract":"This paper proposes artificial immune system to minimize the generator fuel cost in optimal power flow control with flexible ac transmission systems (FACTS) devices. The FACTS devices considered here include thyristor controlled series capacitor (TCSC) and thyristor controlled phase shifter (TCPS). The proposed approach based on the clonal selection principle implements adaptive cloning, hyper-mutation, aging operator and tournament selection. To demonstrate the performance and applicability of the proposed approach, the modified IEEE 30-bus system is taken. Test results obtained from the proposed algorithm are compared with those obtained from differential evolution, evolutionary programming and genetic algorithm. From the numerical results, it is found that the proposed AIS approach provides better solution at a lesser computational effort.","PeriodicalId":237016,"journal":{"name":"2017 International Conference on Technological Advancements in Power and Energy ( TAP Energy)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114782218","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
Renewable energy utilization in India — policies, opportunities and challenges 印度可再生能源利用——政策、机遇和挑战
2017 International Conference on Technological Advancements in Power and Energy ( TAP Energy) Pub Date : 2017-12-01 DOI: 10.1109/TAPENERGY.2017.8397311
B. Shyam, P. Kanakasabapathy
{"title":"Renewable energy utilization in India — policies, opportunities and challenges","authors":"B. Shyam, P. Kanakasabapathy","doi":"10.1109/TAPENERGY.2017.8397311","DOIUrl":"https://doi.org/10.1109/TAPENERGY.2017.8397311","url":null,"abstract":"India is emerging as a leading renewable energy harvester among developing countries. The utilization of renewable energy is significant in nation's energy security and economic stability. Renewable energy sector is supported by government with financial, institutional and educational aids. Country's renewable energy policy framework and strategies are significant for growth of renewable energy sector. India has very large solar and wind energy potential which is geographically dispersed. There is an increasing need to explore renewable energy sources to meet sustainability and environmental targets. This study is focusing on the historical development and present scenario of renewable energy utilization in India. The paper cover government agencies, policies and foundations of policy frame work, status of renewable energy potential, installed capacity and contribution of renewable sources. Finally the potential challenges of renewable energy integration and status of smart grid development in India is discussed.","PeriodicalId":237016,"journal":{"name":"2017 International Conference on Technological Advancements in Power and Energy ( TAP Energy)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132120186","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
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