American Journal of Electrical Power and Energy Systems最新文献_第4页

Example Application of LGGH High-efficiency Coal-fired Flue Gas Treatment Technology in Yudian Dabu Power Plant LGGH燃煤烟气高效治理技术在玉甸大布电厂的应用实例

American Journal of Electrical Power and Energy Systems Pub Date : 2019-05-17 DOI: 10.11648/J.EPES.20190802.13

Liao Zeng-an, Luo Rusheng, Lin Xiang, Xie Qingliang

{"title":"Example Application of LGGH High-efficiency Coal-fired Flue Gas Treatment Technology in Yudian Dabu Power Plant","authors":"Liao Zeng-an, Luo Rusheng, Lin Xiang, Xie Qingliang","doi":"10.11648/J.EPES.20190802.13","DOIUrl":"https://doi.org/10.11648/J.EPES.20190802.13","url":null,"abstract":"This paper describes the severe air pollution and ultra-low emission process route in China today, based on which it studies and analyzes the LGGH high-efficiency coal-fired flue gas treatment technology applicable to the upgrading of the ultra-low emission with respect to its origin, composition, characteristics and advantages. Then this paper gives a case study on the application of this technology in Yudian Dabu Power Plant where ultra-low emission is required, in particular the project profile of Yudian Dabu Power Plant, and specific proposal, process layout, main design parameters, technical features and operating result of the technology in the power plant. According to the testing, after this technology is put into use in the plant, the dust and SO 3 emissions of Unit 2# chimney drop to 2.3mg/m 3 and 2.4 mg/m 3 respectively, much lower than the national ultra-low emission limits. All these can demonstrate that the large-scale coal-fired power units can achieve a significant result by adopting the optimized LGGH high-efficiency coal-fired flue gas treatment technology, this technology provides higher precipitation efficiency, energy conservation and emission reduction, and high-efficiency SO 3 removal, solves the problem of \"Gypsum rain\" and visual pollution, and realizes dry chimney discharge, indicating that this technology deserves promotion and has great potential to become a popular post-combustion flue gas treatment technology.","PeriodicalId":125088,"journal":{"name":"American Journal of Electrical Power and Energy Systems","volume":"90 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126240406","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

Multi-Functionality Control, Power Filtering Single-Phase Grid-Connected Photovoltaic System 多功能控制、电源滤波单相光伏并网系统

American Journal of Electrical Power and Energy Systems Pub Date : 2019-05-17 DOI: 10.11648/J.EPES.20190802.14

Arckarakit Chaithanakulwat

引用次数: 3

Application of Power Electronic Circuitry for Elimination of Flywheel in Process Machines 电力电子电路在加工机械飞轮消除中的应用

American Journal of Electrical Power and Energy Systems Pub Date : 2019-04-23 DOI: 10.11648/J.EPES.20190802.12

V. Jape, H. Suryawanshi, J. Modak

{"title":"Application of Power Electronic Circuitry for Elimination of Flywheel in Process Machines","authors":"V. Jape, H. Suryawanshi, J. Modak","doi":"10.11648/J.EPES.20190802.12","DOIUrl":"https://doi.org/10.11648/J.EPES.20190802.12","url":null,"abstract":"It is felt highly probable to eliminate flywheel from the design of any process machine in general and for process machines with a certain demand torque characteristics in particular. It is felt that by proper interfacing of power electronic devices this may be possible. Elimination of flywheel from process machines helps reducing torsional vibrations in the power transmission system of any process machine. This should reduce fatigue in the components of power transmission system thereby prolonging equipment functional failure. Down time will be much less and profit earnings through uninterrupted production would be high. This paper proposes a convenient power electronic circuitry with reasonable control approach for the flywheel replacement of an induction motor for which it is necessary to generate supply torque at motor shaft exactly equal to demand torque. To meet this requirement, demand torque characteristic is sampled at 25 msec. In proposed solution to this problem, the torque requirement at every sample is met by adjusting the firing angle of thyristors which in turn adjusts the supply voltage at motor terminals. Depending on supply frequency the sampling period for demand torque characteristic may be varied. The present paper has a focus of evolving the details of functional feasibility of this concept only.","PeriodicalId":125088,"journal":{"name":"American Journal of Electrical Power and Energy Systems","volume":"96 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124446031","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

Optimal Location of Upfc to Improve Power System Voltage Stability Using Artificial Bee Colony Algorithm 基于人工蜂群算法的Upfc优化定位提高电力系统电压稳定性

American Journal of Electrical Power and Energy Systems Pub Date : 2019-04-09 DOI: 10.11648/J.EPES.20190802.11

B. Kumar

{"title":"Optimal Location of Upfc to Improve Power System Voltage Stability Using Artificial Bee Colony Algorithm","authors":"B. Kumar","doi":"10.11648/J.EPES.20190802.11","DOIUrl":"https://doi.org/10.11648/J.EPES.20190802.11","url":null,"abstract":"In this paper a heuristic technique based optimal location of UPFC to improve the performance of power system is proposed. Here, the maximum power loss bus is identified as the most suitable location for fixing the UPFC. Generator outage affects the power flow constraints such as power loss, voltage, real and reactive power flow. Generator outage at different buses is introduced and the performance of the system is analyzed. The optimum location has been determined using the Artificial Bee Colony Algorithm (ABC) under this condition. By connecting UPFC at optimal location given by ABC algorithm, the power loss in the system is reduced and voltage profile is improved. Proposed work is implemented in the MATLAB and tested on IEEE 30 bus system. Initially the single generator outage is introduced at different buses in the system and afterwards double generator outage is introduced. In these conditions, the voltage profile and the power loss is analyzed at normal condition, outage condition and after connecting UPFC whose location given by proposed ABC algorithm. Performance of this algorithm is evaluated by comparing the results with those of different techniques. The comparison results demonstrate the superiority of the proposed approach and confirm its potential to solve the voltage stability problem.","PeriodicalId":125088,"journal":{"name":"American Journal of Electrical Power and Energy Systems","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121711958","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

Design and Control of Single-Phase-to-Three-Phase PFC for Cereals Grinding System Fed by PV-Battery Microgrid 光伏-电池微电网谷物研磨系统单相-三相PFC的设计与控制

American Journal of Electrical Power and Energy Systems Pub Date : 2019-03-15 DOI: 10.11648/J.EPES.20190801.14

Moustapha Diop, M. Thiam, A. Ndiaye, Samba Gueye, L. Thiaw

引用次数: 1

Research on Path Planning of Substation X-Robot 变电站x -机器人路径规划研究

American Journal of Electrical Power and Energy Systems Pub Date : 2019-03-12 DOI: 10.11648/J.EPES.20190801.13

Guan Hao, Ronghai Liu, Shuting Wan

{"title":"Research on Path Planning of Substation X-Robot","authors":"Guan Hao, Ronghai Liu, Shuting Wan","doi":"10.11648/J.EPES.20190801.13","DOIUrl":"https://doi.org/10.11648/J.EPES.20190801.13","url":null,"abstract":"In this paper, according to the environment of the robot in the substation, firstly, the D-H mathematical modeling of the UR10 manipulator is built and the forward and inverse kinematics of the UR10 manipulator are solved by studying the basic knowledge of the manipulator. Secondly, aiming at the problems existing in the traditional artificial potential field method, the improved artificial potential field method is studied and the principle that the link of the manipulator can not collide with obstacles is studied. The collision detection algorithm is added and the collision detection of cylindrical bounding box is designed. Then according to the starting position of the end of the manipulator and the position of the obstacle, the moving path of the end of the manipulator is determined. Finally, the improved artificial potential field method is used in MATLAB to simulate the moving path of the UR10 manipulator, and field tests are carried out to verify the effectiveness of the improved artificial potential field method and collision detection of cylindrical bounding box in the path planning. These methods can make the robot reach the designated detection position perfectly in the process of walking in the substation and also avoid the collision between the manipulator and the obstacle (substation electrical equipment and building, etc.). The application of X-ray detection equipment in substation becomes more intelligent.","PeriodicalId":125088,"journal":{"name":"American Journal of Electrical Power and Energy Systems","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116001237","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

Performance Analysis of Installed Solar PV System Using Homer in Tanzania: A Case Study of Zanzibar and Arusha 坦桑尼亚使用荷马的太阳能光伏发电系统性能分析:以桑给巴尔和阿鲁沙为例

American Journal of Electrical Power and Energy Systems Pub Date : 2019-03-06 DOI: 10.11648/J.EPES.20190801.12

M. Haji, Eugene Park, Thomas Kivevele

{"title":"Performance Analysis of Installed Solar PV System Using Homer in Tanzania: A Case Study of Zanzibar and Arusha","authors":"M. Haji, Eugene Park, Thomas Kivevele","doi":"10.11648/J.EPES.20190801.12","DOIUrl":"https://doi.org/10.11648/J.EPES.20190801.12","url":null,"abstract":"This study reflects two photovoltaic (PV) power generations, at Karume Institute of Science and Technology (KIST) - Zanzibar and The Nelson Mandela African Institution of Science and Technology (NM-AIST) - Arusha in Tanzania. The output data sets from each site were verified for possible PV simulation of different operational scenarios to obtain the optimum design configuration. The HOMER software was used to analyze the entire operation of the system. The effect of the accuracy of the photovoltaic integration was determined by analysis of different operational behaviors of the simulated PV levels. Furthermore, the overall performance of the station per site was analyzed for technical, economic and environmental constraints as well as their comparative cost-benefit analysis. The study finds that there is a high sensitivity in the demand for the load (i.e. load growth) whose system performance is characterized with minimum: total net present cost (NPC) of $474,745 and $29,169, feed in tariffs, levelized cost of energy (LCOE) of $1.06/kWh and $0.0118/kWh, total energy output and renewable fraction of 15% and 22% for KIST and NM-AIST respectively, thus support the use of photovoltaic power sources in the generation of energy than their counterpart alternatives because of the best technical performance and is less dependent on other external sources of energy, and simultaneously has good economic and environmental performance","PeriodicalId":125088,"journal":{"name":"American Journal of Electrical Power and Energy Systems","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124647450","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

Transformer Wireless Monitoring System Using Arduino/XBEE 基于Arduino/XBEE的变压器无线监控系统

American Journal of Electrical Power and Energy Systems Pub Date : 2019-01-31 DOI: 10.11648/J.EPES.20190801.11

A. Acakpovi, C. Odazie, Issah B. Majeed, G. Eduful, Nana Yaw Asabere

{"title":"Transformer Wireless Monitoring System Using Arduino/XBEE","authors":"A. Acakpovi, C. Odazie, Issah B. Majeed, G. Eduful, Nana Yaw Asabere","doi":"10.11648/J.EPES.20190801.11","DOIUrl":"https://doi.org/10.11648/J.EPES.20190801.11","url":null,"abstract":"Distribution transformers are generally provided with advanced control measures that ensure their operation and safety at a high reliability because their failure usually leads to long power outage, increase maintenance cost and unreliable provision of electricity to customers. Despite the protection measures that accompany a distribution transformer, there is still a need to provide extra remote monitoring systems to increase the reliability of operation and the confidence of instantaneous fault reporting. This paper deals with the design and construction of automatic monitoring system for power transformer parameters. An Arduino board coupled with XBEE module were programmed to enable the monitoring of voltage, current and temperature on a typical power transformer. The system was implemented and tested successfully. Results showed that the voltage versus temperature as well as current versus voltage characteristic obtained, were closed to datasheet specifications and therefore confirming the reliability of the proposed design. This system is therefore recommended as an additional protection that should be added to Power Transformers.","PeriodicalId":125088,"journal":{"name":"American Journal of Electrical Power and Energy Systems","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116884560","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

Economic Impact of Electricity Interruptions: A Case Study Based on Sri Lanka 电力中断的经济影响:基于斯里兰卡的个案研究

American Journal of Electrical Power and Energy Systems Pub Date : 1900-01-01 DOI: 10.11648/j.epes.20221101.11

D. Punsara Colambage

引用次数: 1

Control Power Sharing of Parallel Inverters in Microgrid with Consideration of Line Impedance Effect 考虑线阻抗效应的微电网并联逆变器功率分担控制

American Journal of Electrical Power and Energy Systems Pub Date : 1900-01-01 DOI: 10.11648/j.epes.20190805.15

Xuan Hoa Thi Pham, Toi Thanh Le, Hieu Tran Trong

{"title":"Control Power Sharing of Parallel Inverters in Microgrid with Consideration of Line Impedance Effect","authors":"Xuan Hoa Thi Pham, Toi Thanh Le, Hieu Tran Trong","doi":"10.11648/j.epes.20190805.15","DOIUrl":"https://doi.org/10.11648/j.epes.20190805.15","url":null,"abstract":"This paper presents a power sharing control method for use between paralleled three-phase inverters in an islanded microgrid. In this study, the mismatch of power sharing when the line impedances have significant differences for inverters connected to a microgrid has been solved, the accuracy of power sharing in an islanded microgrid is improved, the voltage droop slope is tuned to compensate for the mismatch in the voltage drops across line impedances by using communication links. The method will ensure in accurate power sharing even if the communication is interrupted. If the load changes while the communication is interrupted, the accuracy of power sharing is reduced but the proposed method is better than the conventional droop control method. In addition, the accuracy of power sharing base on the proposed method is not affected by the time delay in the communication channel and local loads at the output of the inverters. The control model has been simulated in Matlab/Simulink with two or three inverters are connected in parallel. Simulation results demonstrate the accuracy of the proposed control method. Futhermore, in order to validate the theoretical analysis and simulation results, an experimental setup was built in the laboratory. Results obtained from the experimental setup verify the effectiveness of the proposed method.","PeriodicalId":125088,"journal":{"name":"American Journal of Electrical Power and Energy Systems","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121579644","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