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2012 10th International Power & Energy Conference (IPEC)最新文献

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Comparison of interconnection standards of renewable energy generation 可再生能源发电并网标准比较
2012 10th International Power & Energy Conference (IPEC) Pub Date : 2012-11-01 DOI: 10.1109/ASSCC.2012.6523254
Hua Zheng, Y. Tang
{"title":"Comparison of interconnection standards of renewable energy generation","authors":"Hua Zheng, Y. Tang","doi":"10.1109/ASSCC.2012.6523254","DOIUrl":"https://doi.org/10.1109/ASSCC.2012.6523254","url":null,"abstract":"With the large-scale application of renewable energy, the security and stability of power systems is confronted with concerns and challenges hitherto, among which it is the highest priority to establish and improve the standards related to renewable energy generation.With respect to the problem in managing and establishing interconnection standards of renewable energy generation, this paper analyzes the difference and inadequacy of interconnection standards between China and IEEE, IEC, from three aspects of management system, standard structure and key indexs. On the basis, it explores the future development of Chinese interconnection standards, and makes some related suggestions of referenced value.","PeriodicalId":341348,"journal":{"name":"2012 10th International Power & Energy Conference (IPEC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134471412","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
Main-steam temperature control for ultra-supercritical unit using Multi-Model Predictive strategy 基于多模型预测策略的超超临界机组主蒸汽温度控制
2012 10th International Power & Energy Conference (IPEC) Pub Date : 2012-11-01 DOI: 10.1109/ASSCC.2012.6523260
Dingfang Li, Hong Zhou
{"title":"Main-steam temperature control for ultra-supercritical unit using Multi-Model Predictive strategy","authors":"Dingfang Li, Hong Zhou","doi":"10.1109/ASSCC.2012.6523260","DOIUrl":"https://doi.org/10.1109/ASSCC.2012.6523260","url":null,"abstract":"A Multi-Model Predictive Control (MMPC) strategy based on dynamic matrix algorithm is proposed and applied to the main-steam temperature control of a ultra-supercritical once through boiler-turbine system in this paper. Firstly, models and corresponding controllers can change with the changing operating point via a multi-model switching technique so as to achieve robustness. Secondly, by multi-step prediction, rolling optimization and feedback correction, the plant output is optimized at each sampling interval so as to obtain better dynamic performance. Thirdly, due to good real-time tracking performance, the system can respond faster. Furthermore, in order to inhibit the sudden disturbance, a inner loop of proportional is added to form a cascade MMPC-P controller. Simulation shows much better robustness and dynamic performance for various kinds of electric load demand changes and parameters variations via this strategy than the conventional PID method.","PeriodicalId":341348,"journal":{"name":"2012 10th International Power & Energy Conference (IPEC)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133711044","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 on solar PV and battery system penetration in Singapore distribution power networks 太阳能光伏和电池系统在新加坡配电网中的渗透研究
2012 10th International Power & Energy Conference (IPEC) Pub Date : 2012-11-01 DOI: 10.1109/ASSCC.2012.6523237
Shuaixun Chen, H. Gooi, Tham Tzen Woo, Thi Ha Yushein, Kenichi Watanabe
{"title":"Investigation on solar PV and battery system penetration in Singapore distribution power networks","authors":"Shuaixun Chen, H. Gooi, Tham Tzen Woo, Thi Ha Yushein, Kenichi Watanabe","doi":"10.1109/ASSCC.2012.6523237","DOIUrl":"https://doi.org/10.1109/ASSCC.2012.6523237","url":null,"abstract":"This paper discusses the penetration of the solar photovoltaic (PV) and battery system in Singapore distribution power networks and its impact on grid. The distribution power network with the installation of the solar PV and battery system will be introduced. The effect of the voltage and power flow will be studied based on the comparison between the results obtained before and after the installation of the solar PV and battery system. The frequency will also be examined by performing the dynamic simulation of the solar PV and battery system and Load Frequency Control (LFC).","PeriodicalId":341348,"journal":{"name":"2012 10th International Power & Energy Conference (IPEC)","volume":"182 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121825917","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 repetitive control scheme to improve performance of UPQC under distorted source and nonlinear load conditions 一种提高UPQC在畸变源和非线性负载条件下性能的重复控制方案
2012 10th International Power & Energy Conference (IPEC) Pub Date : 2012-11-01 DOI: 10.1109/ASSCC.2012.6523304
Quoc-Nam Trinh, Hong‐Hee Lee
{"title":"A repetitive control scheme to improve performance of UPQC under distorted source and nonlinear load conditions","authors":"Quoc-Nam Trinh, Hong‐Hee Lee","doi":"10.1109/ASSCC.2012.6523304","DOIUrl":"https://doi.org/10.1109/ASSCC.2012.6523304","url":null,"abstract":"This paper proposes an enhanced control strategy for three-phase unified power quality conditioners (UPQCs) under the distorted source and nonlinear load conditions. The proposed controller consists of a proportional-integral and a repetitive controller (RC), which is developed on both the series and the shunt APFs of the UPQC to compensate (6n±1) (n=1, 2, 3...) harmonic voltages in distorted source voltage and those harmonic currents produced by nonlinear loads. As a result, the load voltage and the supply current are compensated to be sinusoidal. In the proposed RC, the delay time is reduced to be one-sixth of the fundamental period which is much shorter than that of the traditional RC, i.e., one fundamental period. Hence, the proposed RC provides a much faster dynamic response compared to the traditional RC. The proposed control strategy is analyzed and design of the RC for the UPQC is presented in detail. The feasibility of the proposed control strategy is verified through simulations.","PeriodicalId":341348,"journal":{"name":"2012 10th International Power & Energy Conference (IPEC)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126099100","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
Optimized power trading of a PEV charging station with energy storage system 带储能系统的电动汽车充电站电力交易优化
2012 10th International Power & Energy Conference (IPEC) Pub Date : 2012-11-01 DOI: 10.1109/ASSCC.2012.6523283
N. H. Tehrani, G. Shrestha, Peng Wang
{"title":"Optimized power trading of a PEV charging station with energy storage system","authors":"N. H. Tehrani, G. Shrestha, Peng Wang","doi":"10.1109/ASSCC.2012.6523283","DOIUrl":"https://doi.org/10.1109/ASSCC.2012.6523283","url":null,"abstract":"In this paper, we will characterize the operation of fast charging infrastructures equipped with renewable energy sources (RES) and energy storage to optimize the pattern of charging and selling power to the grid according to price variations to maximize the objective function that is benefit of participating in the electricity market. 2009 National Household Travel Survey (NHTS) data set has been utilized in several ways to probabilistically quantify the Plug-in Electric Vehicles' (PEV) status in order to characterize their real-time mobility behavior. Analysis based on the level of forecast uncertainty is considered. The result shows the effectiveness of the optimization method.","PeriodicalId":341348,"journal":{"name":"2012 10th International Power & Energy Conference (IPEC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130089260","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 fault-tolerant modulation method to counteract the double open-switch fault in matrix converter drive systems without redundant power devices 无冗余功率器件的矩阵变换器驱动系统双开开关故障容错调制方法
2012 10th International Power & Energy Conference (IPEC) Pub Date : 2012-11-01 DOI: 10.1109/ASSCC.2012.6523240
Der-fa Chen, Khiem Nguyen-Duy, Tian‐Hua Liu, M. Andersen
{"title":"A fault-tolerant modulation method to counteract the double open-switch fault in matrix converter drive systems without redundant power devices","authors":"Der-fa Chen, Khiem Nguyen-Duy, Tian‐Hua Liu, M. Andersen","doi":"10.1109/ASSCC.2012.6523240","DOIUrl":"https://doi.org/10.1109/ASSCC.2012.6523240","url":null,"abstract":"This paper studies the double open-switch fault issue occurring within the conventional matrix converter driving a three-phase permanent-magnet synchronous motor system and proposes a fault-tolerant solution by introducing a revised modulation strategy. In this switching strategy, the rectifier-stage modulation is adjusted based on the knowledge of the switching logics of the inverter-stage and the operating input voltage sectors. However, the proposed fault-tolerant method does not rely on the assist of any redundant power devices or any reconfiguration of the matrix converter circuit by means of using redundant physical connections. It is shown that different locations of the double open switch affect the availability of the revised modulation. The steady state absolute speed error achieved with the proposed method is 4% of the nominal speed. Experimental results are performed to demonstrate the efficacy of the proposed methods.","PeriodicalId":341348,"journal":{"name":"2012 10th International Power & Energy Conference (IPEC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129842025","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: 6
Design of SRM DSP-based control system 基于dsp的SRM控制系统设计
2012 10th International Power & Energy Conference (IPEC) Pub Date : 2012-11-01 DOI: 10.1109/ASSCC.2012.6523292
Jun Zou, Hao Chen, Y. Huo
{"title":"Design of SRM DSP-based control system","authors":"Jun Zou, Hao Chen, Y. Huo","doi":"10.1109/ASSCC.2012.6523292","DOIUrl":"https://doi.org/10.1109/ASSCC.2012.6523292","url":null,"abstract":"This paper introduces the design mode of switched reluctance motor (SRM) control system. Using TMS320F28335 as the core chip, the control system board for DSP controlled SRM is designed. And based on the system board, the experiment system was established with a three-phase 12/8 structure low power SRM prototype as action element. Finally, the experimental results were given.","PeriodicalId":341348,"journal":{"name":"2012 10th International Power & Energy Conference (IPEC)","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121645517","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
Individual pitch control for mitigation of power fluctuation of variable speed wind turbines 减缓变速风力发电机功率波动的个体螺距控制
2012 10th International Power & Energy Conference (IPEC) Pub Date : 2012-11-01 DOI: 10.1109/ASSCC.2012.6523343
Yunqian Zhang, Weihao Hu, Zhe Chen, M. Cheng
{"title":"Individual pitch control for mitigation of power fluctuation of variable speed wind turbines","authors":"Yunqian Zhang, Weihao Hu, Zhe Chen, M. Cheng","doi":"10.1109/ASSCC.2012.6523343","DOIUrl":"https://doi.org/10.1109/ASSCC.2012.6523343","url":null,"abstract":"Grid connected wind turbines are the sources of power fluctuations during continuous operation due to wind speed variation, wind shear and tower shadow effects. This paper presents an individual pitch control (IPC) strategy to mitigate the wind turbine power fluctuation at both above and below the rated wind speed conditions. Three pitch angles are adjusted separately according to the generator output power and the azimuth angle of the wind turbine. The IPC strategy scheme is proposed and the individual pitch controller is designed. The simulations are performed on the NREL (National Renewable Energy Laboratory) 1.5MW upwind reference wind turbine model. The simulation results are presented and discussed to show the validity of the proposed control method.","PeriodicalId":341348,"journal":{"name":"2012 10th International Power & Energy Conference (IPEC)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128456687","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: 10
Load frequency control using a NAS battery system controlled by a Kaiman filter 采用Kaiman滤波器控制的NAS电池系统进行负载频率控制
2012 10th International Power & Energy Conference (IPEC) Pub Date : 2012-11-01 DOI: 10.1109/ASSCC.2012.6523270
S. Shibasaki, M. Toge, S. Iwamoto
{"title":"Load frequency control using a NAS battery system controlled by a Kaiman filter","authors":"S. Shibasaki, M. Toge, S. Iwamoto","doi":"10.1109/ASSCC.2012.6523270","DOIUrl":"https://doi.org/10.1109/ASSCC.2012.6523270","url":null,"abstract":"Wind power is a flow of renewable energy currently in great demand around the world. Wind power can be difficult to utilize, however, due to large fluctuations in power output. Battery-based power control, such as the 34 MW NAS battery system recently installed at a wind farm in Japan, can alleviate this problem. We propose a control method for NaS battery system output that considers wind power variation. In the proposed method, a Kalman filter estimates power system state variables and uses the estimation to cancel load disturbances. To verify the utility of the proposed method, we perform LFC simulations that compare frequency deviations between the proposed and conventional methods.","PeriodicalId":341348,"journal":{"name":"2012 10th International Power & Energy Conference (IPEC)","volume":"79 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130608993","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
Detection of high impedance faults in medium voltage distribution networks 中压配电网高阻抗故障的检测
2012 10th International Power & Energy Conference (IPEC) Pub Date : 2012-11-01 DOI: 10.1109/ASSCC.2012.6523329
W. Mai, Bao Toan Phung, E. Ambikairajah
{"title":"Detection of high impedance faults in medium voltage distribution networks","authors":"W. Mai, Bao Toan Phung, E. Ambikairajah","doi":"10.1109/ASSCC.2012.6523329","DOIUrl":"https://doi.org/10.1109/ASSCC.2012.6523329","url":null,"abstract":"High-impedance faults (HIFs) on distribution system still present the most persistent and challenging problem to protection engineers due to the fact that HIFs do not produce enough fault current, thus not detectable by conventional overcurrent protection devices. Previous research shows that it is possible to distinguish HIFs from other similar waveforms such as nonlinear load currents by analyzing the harmonic contents. A method for HIF detection based on the harmonic analysis of current waveforms is presented here. A harmonic detection program is implemented in MATLAB using both Interpolation Windowed Fast Fourier Transform and All-phase Fast Fourier Transform algorithms. Various simulation results and real-world data analysis show that this harmonic detection program can accurately, reliably and quickly determine the harmonic contents (including frequency, amplitude and phase angle of each harmonic) in an arbitrary signal without knowing its mathematical expression. Simulation results also show that this harmonic detection program could be used for feature extraction and pattern recognition for HIF detection in the future.","PeriodicalId":341348,"journal":{"name":"2012 10th International Power & Energy Conference (IPEC)","volume":"250 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123672190","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: 9
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