{"title":"Hybrid reactive power compensations for power factor correction in distribution networks with DG","authors":"Piyadanai Pachanpan","doi":"10.1109/IEECON.2014.6925914","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925914","url":null,"abstract":"The converter-connected distributed generation can provide the active power factor correction similar to using power conditioners. The hybrid reactive power compensations, using distributed generation and switched shunt capacitors in the coordinated manner, are implemented to deal with the change of power factor in the network. The study found that this approach can improve power factor controllability in the distribution networks effectively. The power factor control performances are demonstrated under various operating scenarios using the test system implemented in DIgSILENT PowerFactory.","PeriodicalId":306512,"journal":{"name":"2014 International Electrical Engineering Congress (iEECON)","volume":"573 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125967399","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}
Y. Adachi, Y. Mochizuki, K. Higuchi, K. Jirasereeamornkul, K. Chamnongthai
{"title":"Design of approximate 2DOF digital controller for interleaved PFC boost converter","authors":"Y. Adachi, Y. Mochizuki, K. Higuchi, K. Jirasereeamornkul, K. Chamnongthai","doi":"10.1007/978-3-642-41968-3_15","DOIUrl":"https://doi.org/10.1007/978-3-642-41968-3_15","url":null,"abstract":"","PeriodicalId":306512,"journal":{"name":"2014 International Electrical Engineering Congress (iEECON)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127639762","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}
{"title":"Safety analysis for grounding system of two neighbouring substations in MEA's power distribution system","authors":"A. Phayomhom, S. Sirisumrannukul","doi":"10.1109/IEECON.2014.6925847","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925847","url":null,"abstract":"This paper presents construction planning procedures for a new permanent substation to replace an small (temporary) substation that is served to supply the load of the old existing substation while it has not been removed. In the meantime when the ground grids of the two substations are electrically disconnected, the auxiliary grounding system of substation can create steep ground potential rise between the ground grids of the two substations and hence introduces a risk for those who are working nearby. It is therefore important to incorporate safety criteria described in terms of step and touch voltage into electrical designs without any potential electrical hazards. The safety design planning process is illustrated by the Pathumwan (PM) substation of Metropolitan Electricity Authority (MEA). Modeling and simulation is carried out on the Current Distribution Electromagnetic interference Grounding and Soil structure (CDEGS) program. A sequential transition process from the small substation to a permanent substation is suggested to comply with the IEEE standard 80-2000.","PeriodicalId":306512,"journal":{"name":"2014 International Electrical Engineering Congress (iEECON)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126534129","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}
Kriangsak Hlurprasert, P. Rakluea, Norakamon Wongsin, V. Pirajnanchai
{"title":"Design of 4-way crossover network by using bernstein polynomial","authors":"Kriangsak Hlurprasert, P. Rakluea, Norakamon Wongsin, V. Pirajnanchai","doi":"10.1109/IEECON.2014.7088794","DOIUrl":"https://doi.org/10.1109/IEECON.2014.7088794","url":null,"abstract":"This paper presents the design of a 4-way crossover network by using bernstein polynomial. This crossover can be created by combining a high-pass filter, low-pass filter, and Band-pass filter the three frequencies range. Simulation results are using MATLAB. The simulation results can be seen that good slope for magnitude responses of high-pass filter, low-pass filter and band-pass filter the Second frequencies range. And phase responses of the total filter have the zero phases. The crossover is unique, in that it sums with the flat magnitude response and phase response of all band.","PeriodicalId":306512,"journal":{"name":"2014 International Electrical Engineering Congress (iEECON)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121543890","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}
{"title":"Analysis of failure data to determine the failure pattern of HV circuit breaker components","authors":"C. Suwanasri, T. Suwnansri, W. Srisongkram","doi":"10.1109/IEECON.2014.6925872","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925872","url":null,"abstract":"This paper presents an analysis of historical failures of HV circuit breakers in Thailand's transmission network. The historical data of circuit breakers installed since 1989 to 2011 at three voltage levels as 115 kV, 230 kV and 500 kV are analyzed. The data has been classified into different types of circuit breakers and components. The main components are classified as major HV components, operating mechanism, and control circuit and others whereas the sub-components are also differentiated. The failure frequencies of those sub-components are then assessed in order to observe their failure characteristics in form of Bath-tub pattern, which is classified into three zones as teething, random and ware-out zone. The results show failure frequency of sub-components of only 115 kV circuit breakers. Finally, the preventive maintenance for the circuit breakers can be effectively managed due to actual failure behavior. Consequently, the failure rate of the equipment can be reduced resulting in better power system reliability.","PeriodicalId":306512,"journal":{"name":"2014 International Electrical Engineering Congress (iEECON)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122174896","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}
Settha Tangkawanit, C. Termritthikun, S. Kanprachar
{"title":"Electric vehicle tracking and notification application for smart phones","authors":"Settha Tangkawanit, C. Termritthikun, S. Kanprachar","doi":"10.1109/IEECON.2014.6925911","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925911","url":null,"abstract":"To effectively utilize the electric vehicle public service around a campus, on a passenger's side of view, an arrival time should be available. Having known this information, passengers can manage their time and get on the vehicle in time. An application informing about the location and the estimated arrival time of an electric vehicle for Android smart phones is developed and tested. Passengers can view the current location of a particular electric vehicle and the estimated arrival time. Additionally, an alert system has been set up so that the passengers can be notified if a particular vehicle is coming to the bus stop. After testing such application, it is found that 90 percents of passengers using the application does not miss the vehicle while almost 50 percents of the passengers not using the application could not get the vehicle in time. It is clearly seen that the application is very useful for the electric vehicle passengers using their smart phones.","PeriodicalId":306512,"journal":{"name":"2014 International Electrical Engineering Congress (iEECON)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123313685","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}
A. Phayomhom, S. Sirisumrannukul, T. Kasirawat, A. Puttarach
{"title":"Optimum compression ratio on ground grid design in MEA's power distribution substation","authors":"A. Phayomhom, S. Sirisumrannukul, T. Kasirawat, A. Puttarach","doi":"10.1109/IEECON.2014.6925843","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925843","url":null,"abstract":"The study provides comparison of grounding performance between square and rectangle ground grid, when given the same size of area of coverage. The result shows that the rectangle ground grid possesses better grounding performance than the square one. The study also finds the optimum compression ratio (OCR) of both grounding configuration. The OCR of square and rectangle ground grids are found to be 0.3 and 0.4 respectively. Modeling and simulation is carried out on the Current Distribution Electromagnetic interference Grounding and Soil structure (CDEGS) program. The simulation results support the fact that unequal span ground grid is more superior to the equal span type. The finding could be used as a guide line in grounding grid design.","PeriodicalId":306512,"journal":{"name":"2014 International Electrical Engineering Congress (iEECON)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131280751","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}
Nattawat Chantasan, A. Boonpoonga, S. Burintramart
{"title":"Radar target identification using Cauchy method","authors":"Nattawat Chantasan, A. Boonpoonga, S. Burintramart","doi":"10.1109/IEECON.2014.6925932","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925932","url":null,"abstract":"This paper presents a radar target identification using Cauchy method. Simulations of the radar system with different aircraft models are conducted, in which the Cauchy method was applied in frequency domain for extracting poles. These poles are employed to classify the difference in individual models of the aircrafts. Moreover, the frequency response of radar targets is also converted to time-domain response whose late-time portion is used to extract poles by using the matrix pencil method. The poles obtained from the use of Cauchy method and matrix pencil method are compared to verify the performance of the radar systems.","PeriodicalId":306512,"journal":{"name":"2014 International Electrical Engineering Congress (iEECON)","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116451841","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}
{"title":"Comparison of using carrier-based pulse width modulation techniques for cascaded H-bridge inverters application in the PV energy systems","authors":"C. Boonmee, Napat Wajanatepin","doi":"10.1109/IEECON.2014.6925832","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925832","url":null,"abstract":"Four types of carrier-based pulse width modulation (CBPWM) techniques used to control a two-cell single-phase cascaded H-bridge (CHB) inverter with separated dc power sources, are compared the simulation results in this paper, in order to find out the most suitable CBPWM technique for CHB grid-connected inverter focusing on the effect of total harmonic distortion (THD) of output current and voltage, size of filter, and implementing simplicity. These functions are derived from a conventional unipolar modulation method with triangular carrier wave for each H-bridge cell. Each modulation technique was developed to provide a five voltage-levels output waveform with a non-unity power factor load. The simulation results have been verified of using all CBPWM techniques to control a two-cell single-phase CHB inverter with the same conditions.","PeriodicalId":306512,"journal":{"name":"2014 International Electrical Engineering Congress (iEECON)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114983030","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}
Somchok Sakjiraphong, Andre Pinho, M. Dailey, M. Ekpanyapong, A. Tavares
{"title":"Real-time road lane detection with commodity hardware","authors":"Somchok Sakjiraphong, Andre Pinho, M. Dailey, M. Ekpanyapong, A. Tavares","doi":"10.1109/IEECON.2014.7088793","DOIUrl":"https://doi.org/10.1109/IEECON.2014.7088793","url":null,"abstract":"We present a real-time algorithm for lane boundary estimation based on matched filters and a RANSAC-based method for boundary marking identification. The algorithm is designed to run with minimal assumptions about the environment using a single monocular camera sensor and low-cost commodity compute hardware. With GPU acceleration and TBB, the algorithm runs in less than 25 ms on average on images of size 640 × 480 comparing with 0.12 seconds running on CPU baseline.","PeriodicalId":306512,"journal":{"name":"2014 International Electrical Engineering Congress (iEECON)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131075949","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}