2015 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)最新文献

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Optimal signal selection of wide area damping controller considering time delay in multi-machine power system 多机电力系统中考虑时延的广域阻尼控制器信号优选
2015 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC) Pub Date : 2015-11-01 DOI: 10.1109/APPEEC.2015.7381013
N. P. Patidar, M. Kolhe, A. Sharma, L. Nagar, N. P. Tripathy, B. Sahu
{"title":"Optimal signal selection of wide area damping controller considering time delay in multi-machine power system","authors":"N. P. Patidar, M. Kolhe, A. Sharma, L. Nagar, N. P. Tripathy, B. Sahu","doi":"10.1109/APPEEC.2015.7381013","DOIUrl":"https://doi.org/10.1109/APPEEC.2015.7381013","url":null,"abstract":"This paper presents a validation of selection process for selecting the most effective stabilizing signal to improve damping of inter area oscillations in a multi-machine power system by different signal selection methods. This paper also deals with wide area damping controller scheme compensating time latency of feedback signal in order to damp low frequency inter area oscillations in large power system. Pade approximation to time delay is used with controller synthesis. Eigenvector based coherent machine identification method has been adapted in this research for coherent area identification in multi-machine power system. The selected control signal is tested on the 4 machine 11 bus system. Nonlinear simulations are carried out in order to evaluate the performance of different approaches of signal selection under study.","PeriodicalId":439089,"journal":{"name":"2015 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116318084","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
Two-layer reactive power optimal dispatching model for high-voltage distribution network and application 高压配电网两层无功优化调度模型及应用
2015 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC) Pub Date : 2015-11-01 DOI: 10.1109/APPEEC.2015.7381068
Jianmin Zhang, Neng Liu, Xianchuan Lu, Mengkai Wu
{"title":"Two-layer reactive power optimal dispatching model for high-voltage distribution network and application","authors":"Jianmin Zhang, Neng Liu, Xianchuan Lu, Mengkai Wu","doi":"10.1109/APPEEC.2015.7381068","DOIUrl":"https://doi.org/10.1109/APPEEC.2015.7381068","url":null,"abstract":"Based on characteristics investigation of reactive power dispatch conditions of present high-voltage distribution networks (HVDNs) in China, a two layer optimal reactive power dispatch (ORPD) model has been proposed in which all the decision variables are discrete types in order to reduce the combination decision space; open-source MATPOWER procedure is taken as the power flow calculation module after turning the three windings transformer into two windings model. An enhanced Genetic Algorithm (EGA) is developed and the simulations have proven that the proposed model and algorithm are effective and efficient.","PeriodicalId":439089,"journal":{"name":"2015 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125980369","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
A two-input dual active bridge converter for a smart user network using integrated power modules 采用集成电源模块的智能用户网络双输入双有源桥式转换器
2015 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC) Pub Date : 2015-11-01 DOI: 10.1109/APPEEC.2015.7380896
A. Burgio, D. Menniti, M. Motta, A. Pinnarelli, N. Sorrentino, P. Vizza
{"title":"A two-input dual active bridge converter for a smart user network using integrated power modules","authors":"A. Burgio, D. Menniti, M. Motta, A. Pinnarelli, N. Sorrentino, P. Vizza","doi":"10.1109/APPEEC.2015.7380896","DOIUrl":"https://doi.org/10.1109/APPEEC.2015.7380896","url":null,"abstract":"The current on the low voltage side of the high frequency transformer of a dual active bridge converter is subject to rapid rising and falling edge; in designing the converter, the peak current is a key factor to achieve robustness and reliability. To limit the peak current, the adoption of a further inductor in series with the transformer is a feasible solution. In this paper the authors propose a novel topology for a DAB converter useful to deeply reduce the peak current. The authors also present a 1kW prototype of a DAB converter implementing the proposed topology and built using integrated power modules in place of discrete ones. The results of a laboratory test clearly demonstrated the good dynamic response of the DAB converter considering a deep step change in power balancing.","PeriodicalId":439089,"journal":{"name":"2015 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126139687","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
Development and design of dispatcher training simulation evaluation system based on IDAC 基于IDAC的调度员培训仿真评估系统的开发与设计
2015 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC) Pub Date : 2015-11-01 DOI: 10.1109/APPEEC.2015.7380937
Y. Bao, Zhi Li, D. Wen, Chuangxin Guo, Li Zhang, S. Pang
{"title":"Development and design of dispatcher training simulation evaluation system based on IDAC","authors":"Y. Bao, Zhi Li, D. Wen, Chuangxin Guo, Li Zhang, S. Pang","doi":"10.1109/APPEEC.2015.7380937","DOIUrl":"https://doi.org/10.1109/APPEEC.2015.7380937","url":null,"abstract":"With the development of power industry, the scale of power system is much larger and power system operations are becoming increasingly complicated and critical. In allusion to this situation, power system specific training for power system dispatcher is necessary and indispensable. Dispatcher Training Simulator (DTS) is a widely used tool for dispatcher training and evaluation. However, there exist some deficiencies in DTS. It can t reflect dispatchers' cognition process and the probability of dispatchers' decisions and choices. So the results of dispatcher evaluation might be influenced by some subjective factors. This paper proposes a framework of Dispatcher Training Simulation Evaluation System (DTSES), which is an effective complement to conventional DTS. DTSES is completely based on simulation and dispatchers' cognition process are modeled with IDAC (Information, Decision, and Action in Crew context) method. Once fully developed, DTSES can simulate dispatchers' response to various conditions in detail and calculate the probability of corresponding operation options.","PeriodicalId":439089,"journal":{"name":"2015 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128273159","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
Stochastic analysis on the effect of fault impedance and fault type to the area of vulnerability 断层阻抗和断层类型对易损区影响的随机分析
2015 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC) Pub Date : 2015-11-01 DOI: 10.1109/APPEEC.2015.7381052
John Mark Napao, Christian Angelo Yap, B. Agustin, Jordan Rel Orillaza
{"title":"Stochastic analysis on the effect of fault impedance and fault type to the area of vulnerability","authors":"John Mark Napao, Christian Angelo Yap, B. Agustin, Jordan Rel Orillaza","doi":"10.1109/APPEEC.2015.7381052","DOIUrl":"https://doi.org/10.1109/APPEEC.2015.7381052","url":null,"abstract":"Analyzing power system performance with respect to voltage sags is important for planning and operation. This paper performed a stochastic analysis taking into account the probabilistic characteristic of both fault type and fault impedance to the area of vulnerability (AoV) by using Monte Carlo method. The analysis was applied to the Philippine Luzon Grid. As a result, a more realistic AoV with less severe sags are predicted compared to the usual case where only bolted fault and a single fault type is considered.","PeriodicalId":439089,"journal":{"name":"2015 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128433272","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
Simulation of core shape considerations of wireless charging systems for electric vehicles 电动汽车无线充电系统核心形状考虑因素仿真研究
2015 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC) Pub Date : 2015-11-01 DOI: 10.1109/APPEEC.2015.7381045
C. Panchal, S. Stegen, Junwei Lu
{"title":"Simulation of core shape considerations of wireless charging systems for electric vehicles","authors":"C. Panchal, S. Stegen, Junwei Lu","doi":"10.1109/APPEEC.2015.7381045","DOIUrl":"https://doi.org/10.1109/APPEEC.2015.7381045","url":null,"abstract":"Wireless charging technology is one of the upcoming technologies for a mobile phone to Electric Vehicles (EVs). The application of this invention in EVs is extremely challenging from an Electro-Magnetic Compatibility (EMC) perspective, as the charging process will require high currents and in turn generate strong magnetic flux between the primary and secondary coils. Poor considerations of leakage flux between these coils may cause complications for persons with a pacemaker or any other life supporting electronic devices. In this paper, two scenarios are investigated via computational simulation. Firstly, a simulation of a person with an electronic biomedical implant device standing beside a car during the charging process through the wireless charging system (WCS) is investigated. Secondly, a person is walking or standing over the primary coil area of the WCS when the system is not in charging mode. Both of these scenarios will include an investigation of four different versions of magnetic core configurations, to examine the outer magnetic flux distribution as well as power distribution of the WCS by using Finite Element Method (FeM) simulation.","PeriodicalId":439089,"journal":{"name":"2015 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128511836","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
Prediction of voltage collapse through voltage collapse proximity index and inherent structural characteristics of power system 利用电压崩溃接近指数和电力系统固有结构特征预测电压崩溃
2015 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC) Pub Date : 2015-11-01 DOI: 10.1109/APPEEC.2015.7381025
I. Adebayo, A. Jimoh, A. Yusuff
{"title":"Prediction of voltage collapse through voltage collapse proximity index and inherent structural characteristics of power system","authors":"I. Adebayo, A. Jimoh, A. Yusuff","doi":"10.1109/APPEEC.2015.7381025","DOIUrl":"https://doi.org/10.1109/APPEEC.2015.7381025","url":null,"abstract":"The frequent incident of voltage collapse in the modern power system due to incessant increase in load demand has posed a great challenge to power system utilities. This paper demonstrates the concept of inherent structural characteristics and the traditional approach of voltage collapse proximity index (VCPI) in predicting the collapse point in the power system network. The conventional technique for collapse point detection through the use of the voltage collapse proximity index is achieved by running a repetitive load flow solution while increasing the reactive power load of a particular load bus. On the other hand, the approach due to inherent structural characteristics of power system is formulated based on the fundamental circuit theory laws and it employs the use of eigenvalue decomposition method in predicting the bus liable to instability. The results of the simulations show that voltage collapse point is easier and quicker to predict with the technique based on the inherent structural characteristics without necessarily going through the rigor of a time consuming and repetitive load flow based voltage collapse point proximity index (VCPI).","PeriodicalId":439089,"journal":{"name":"2015 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)","volume":"81 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128642974","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 combined forecasting method for renewable generations and loads in power systems 电力系统可再生能源发电与负荷组合预测方法
2015 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC) Pub Date : 2015-11-01 DOI: 10.1109/APPEEC.2015.7380868
Zheming Wen, Yong Li, Yi Tan, Yijia Cao, Shiming Tian
{"title":"A combined forecasting method for renewable generations and loads in power systems","authors":"Zheming Wen, Yong Li, Yi Tan, Yijia Cao, Shiming Tian","doi":"10.1109/APPEEC.2015.7380868","DOIUrl":"https://doi.org/10.1109/APPEEC.2015.7380868","url":null,"abstract":"Accurate forecasting for \"net load\", i.e., the difference between the renewable generations and loads, are important for economical and secure dispatch of power systems. Of course, it is significant to ensure sufficient levels of ancillary service, in particular regulation service. Previously, wind power, photovoltaic generation (PV) and loads are forecasted separately. In contrast, in this paper, a direct and adaptive combined forecasting method is proposed for wind power, PV and load which is regardless of market structure (centralized planning/dispatch vs. market outcomes). Compared with the traditional forecasting methods such as support vector machine (SVM), it can online adjust model parameters to improve the forecasting accuracy. A contrastive analysis is performed between the separate forecasting model for wind power, PV and load, the offline combined forecasting model and the proposed approach. The results show that the proposed method can be self-adaptive to the fluctuation of renewable energy and is able to make the forecasting more accurate.","PeriodicalId":439089,"journal":{"name":"2015 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128955366","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
A stress testing analysis on China's power market in the future under the new power reform policy 新电力改革政策下未来中国电力市场的压力测试分析
2015 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC) Pub Date : 2015-11-01 DOI: 10.1109/APPEEC.2015.7380891
Li Peng, Liu Qiuyan, W. Lili, Guo Yong, Kong Xiangrui, Han Dong, Yan Zheng, Song Yi-qun
{"title":"A stress testing analysis on China's power market in the future under the new power reform policy","authors":"Li Peng, Liu Qiuyan, W. Lili, Guo Yong, Kong Xiangrui, Han Dong, Yan Zheng, Song Yi-qun","doi":"10.1109/APPEEC.2015.7380891","DOIUrl":"https://doi.org/10.1109/APPEEC.2015.7380891","url":null,"abstract":"Focusing on the new power reform, behavioral models of market participants are established in this paper to describe China's power market in the future and risk factors are listed based on the models. For the risk assessment of market participants, \"Stress testing\" in financial field is applied to China's power market to present how the risk factors impact on the tested factors.","PeriodicalId":439089,"journal":{"name":"2015 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)","volume":"277 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132486655","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
Estimation of time difference between partial discharge UHF signals using differential energy method 用差分能量法估计局部放电UHF信号的时间差
2015 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC) Pub Date : 2015-11-01 DOI: 10.1109/APPEEC.2015.7380957
Ming-Xiao Zhu, Jianyi Xue, Jia-Ning Zhang, Jun-bo Deng, H. Mu, Guanjun Zhang, An-Xiang Guo, Xiao-Wei Liu
{"title":"Estimation of time difference between partial discharge UHF signals using differential energy method","authors":"Ming-Xiao Zhu, Jianyi Xue, Jia-Ning Zhang, Jun-bo Deng, H. Mu, Guanjun Zhang, An-Xiang Guo, Xiao-Wei Liu","doi":"10.1109/APPEEC.2015.7380957","DOIUrl":"https://doi.org/10.1109/APPEEC.2015.7380957","url":null,"abstract":"Partial discharge (PD) site in high voltage power equipment can be located by solving the time difference equations. Estimating the time difference between PD signals with high accuracy is of great importance for accurate locating. This paper presents a time difference determining algorithm using cumulative energy function and differential energy method. The differential energy characterize the increase of cumulative energy, and the first significant peak of the differential energy is recognized as the arrival time. After that, a Monte Carlo statistics procedure is adopted to analyze the influence of noise level on the accuracy of time difference. The proposed estimation algorithm is examined with UHF signals acquired from four antennas in laboratory. The results indicate that the algorithm is effective to determine the time difference between UHF signals.","PeriodicalId":439089,"journal":{"name":"2015 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129202939","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
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