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Torque-assisting Compressed Air Energy Storage hydraulic wind drivetrains 扭矩辅助压缩空气储能液压风力传动系统
2016 IEEE Power and Energy Conference at Illinois (PECI) Pub Date : 2016-02-01 DOI: 10.1109/PECI.2016.7459259
Moyuan Chen, Sofia M. Santos, A. Izadian
{"title":"Torque-assisting Compressed Air Energy Storage hydraulic wind drivetrains","authors":"Moyuan Chen, Sofia M. Santos, A. Izadian","doi":"10.1109/PECI.2016.7459259","DOIUrl":"https://doi.org/10.1109/PECI.2016.7459259","url":null,"abstract":"In this paper, Compressed Air Energy Storage (CAES) as a popular technology for wind energy storage, is mathematically integrated with a hydraulic wind power system. Hydraulic machinery as prime-movers is utilized to gain the benefit of eliminating costly and heavy gearboxes. The goal of this work is to improve the power delivery performance while maintaining a stable frequency generation in a 600kW hydraulic wind power system. Simulation results demonstrate that the integration of compressed air energy storage has improved the quality of power delivery such that the maximum power demand can be delivered while maintaining the frequency under variable wind speeds.","PeriodicalId":359438,"journal":{"name":"2016 IEEE Power and Energy Conference at Illinois (PECI)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129766702","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
Synchronous Reference Frame based control of MLI-STATCOM in power distribution network 配电网中基于同步参考系的MLI-STATCOM控制
2016 IEEE Power and Energy Conference at Illinois (PECI) Pub Date : 2016-02-01 DOI: 10.1109/PECI.2016.7459247
Venkata Reddy Kota, Sudheer Vinnakoti
{"title":"Synchronous Reference Frame based control of MLI-STATCOM in power distribution network","authors":"Venkata Reddy Kota, Sudheer Vinnakoti","doi":"10.1109/PECI.2016.7459247","DOIUrl":"https://doi.org/10.1109/PECI.2016.7459247","url":null,"abstract":"Ever increasing nonlinear loads and supplies are changing dynamics of the electrical network. The levels of harmonics are on the rise and polluting more and more of the electrical network, posing new challenges before the designers and operators. To maintain the present power quality levels and to improve the performance of the electrical network, many control schemes and devices like Active Power Filter's have been proposed, but still an improvement is required. This paper proposes a five-level diode clamped Multilevel Inverter based Distribution STATCOM (MLI-DSTATCOM) with Synchronous Reference Frame based control for harmonic mitigation. A three-phase four wire system with nonlinear, balanced/unbalanced load is designed and simulated in Matlab/Simulink for performance analysis of proposed MLI-DSTATCOM. The results provide the evidence of restricting harmonic currents at load end and prevent from entering into source effectively. The performance of five-level, three-level and two-level DSTATCOM's are compared under nonlinear, balanced/unbalanced load. Simulation result analysis show superior performance of five-level diode clamped MLI-DSTATCOM controlled using SRF.","PeriodicalId":359438,"journal":{"name":"2016 IEEE Power and Energy Conference at Illinois (PECI)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130980412","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 new Modulated Model Predictive Control method for mitigation of effects of constant power loads 一种新的调制模型预测控制方法缓解恒功率负荷的影响
2016 IEEE Power and Energy Conference at Illinois (PECI) Pub Date : 2016-02-01 DOI: 10.1109/PECI.2016.7459246
H. Mahmoudi, M. Aleenejad, R. Ahmadi
{"title":"A new Modulated Model Predictive Control method for mitigation of effects of constant power loads","authors":"H. Mahmoudi, M. Aleenejad, R. Ahmadi","doi":"10.1109/PECI.2016.7459246","DOIUrl":"https://doi.org/10.1109/PECI.2016.7459246","url":null,"abstract":"In this paper a new Modulated Model Predictive Control (MPC) method has been proposed to overcome the stability problems caused by a constant power load (CPL) in cascaded converter system. The proposed method calculates the duty cycle of the converter switches based on the predicted value of the converter output voltage when two different switching configurations are chosen to be applied to the converter and associates the CPL current and voltage with the predictions to ensure the stabilization of the CPL states. The method does not need to be compensated for the delay introduced by the calculations over a wide operation range. Experimental results have been provided to support the idea.","PeriodicalId":359438,"journal":{"name":"2016 IEEE Power and Energy Conference at Illinois (PECI)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115188451","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: 19
A distributed control design methodology for damping critical modes in power systems 电力系统临界模态阻尼的分布式控制设计方法
2016 IEEE Power and Energy Conference at Illinois (PECI) Pub Date : 2016-02-01 DOI: 10.1109/PECI.2016.7459249
M. Mahmoudi, K. Tomsovic
{"title":"A distributed control design methodology for damping critical modes in power systems","authors":"M. Mahmoudi, K. Tomsovic","doi":"10.1109/PECI.2016.7459249","DOIUrl":"https://doi.org/10.1109/PECI.2016.7459249","url":null,"abstract":"Due to rapid growth of power demand and economical and environmental restrictions for transmission and generation expansion, future power systems will be operating close to their stability limits. Critical modes of the system that are near stability limits can be influenced by unpredictable contingencies and even lead to cascading failures and blackouts. Therefore, maintaining sufficient security margins will be highly dependent on a robust and reliable control infrastructure. In this paper, we proposed a distributed control scheme based on maximum eigenvalue minimization algorithm to improve the damping performance of the mode which is closest to stability limits or a desired performance limit. We also explored the effects of communication structure on controller performance and derived sufficient bounds on distributed feedback gains to guarantee a certain performance. Simulation results on a two-area four-machine test system demonstrates the effectiveness of the proposed controller.","PeriodicalId":359438,"journal":{"name":"2016 IEEE Power and Energy Conference at Illinois (PECI)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129779183","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
Real-time short-circuit analysis of active distribution systems 有源配电系统的实时短路分析
2016 IEEE Power and Energy Conference at Illinois (PECI) Pub Date : 2016-02-01 DOI: 10.1109/PECI.2016.7459252
L. Strezoski, M. Prica
{"title":"Real-time short-circuit analysis of active distribution systems","authors":"L. Strezoski, M. Prica","doi":"10.1109/PECI.2016.7459252","DOIUrl":"https://doi.org/10.1109/PECI.2016.7459252","url":null,"abstract":"In this paper a real-time short-circuit calculation method for large-scale distribution systems with a high penetration of distributed generators is proposed. Recent years have witnessed increasing penetration of distributed generators. Thus, distribution systems have become active, where the fault current flow is no more straightforward. Additionally, modern distributed generator's models differ from the classical synchronous generator's models. Hence, traditional short-circuit calculation methods are not applicable in today's systems. The proposed method is based on the superposition theorem. An improved back/forward sweep in the sequence domain is used for calculation of the faulted system state. Results show that the proposed method is highly accurate and particularly suitable for real-time applications in large-scale systems, where the calculation time is of critical interest.","PeriodicalId":359438,"journal":{"name":"2016 IEEE Power and Energy Conference at Illinois (PECI)","volume":"320 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124725983","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: 12
Dc microgrid droop control based on battery state of charge balancing 基于电池状态充电平衡的直流微电网下垂控制
2016 IEEE Power and Energy Conference at Illinois (PECI) Pub Date : 2016-02-01 DOI: 10.1109/PECI.2016.7459242
R. Hu, W. Weaver
{"title":"Dc microgrid droop control based on battery state of charge balancing","authors":"R. Hu, W. Weaver","doi":"10.1109/PECI.2016.7459242","DOIUrl":"https://doi.org/10.1109/PECI.2016.7459242","url":null,"abstract":"This paper presents a load sharing method applied in a distributed micro grid system. The goal of this method is to balance the state-of-charge (SoC) of each parallel connected battery and make it possible to detect the average SoC of the system by measuring bus voltage for all connected modules. In this method the reference voltage for each battery converter is adjusted by adding a proportional SoC factor. Under such setting the battery with a higher SoC will output more power, whereas the one with lower SoC gives out less. Therefore the higher SoC battery will use its energy faster than the lower ones, and eventually the SoC and output power of each battery will converge. Since the reference voltage is related to SoC status, the information of the average SoC in this system could be shared for all modules by measuring bus voltage.","PeriodicalId":359438,"journal":{"name":"2016 IEEE Power and Energy Conference at Illinois (PECI)","volume":"93 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131890083","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: 19
Topology exploration and control of a filter-less Z-source inverter 无滤波器z源逆变器的拓扑探索与控制
2016 IEEE Power and Energy Conference at Illinois (PECI) Pub Date : 2016-02-01 DOI: 10.1109/PECI.2016.7459212
H. Mahmoudi, M. Aleenejad, R. Ahmadi
{"title":"Topology exploration and control of a filter-less Z-source inverter","authors":"H. Mahmoudi, M. Aleenejad, R. Ahmadi","doi":"10.1109/PECI.2016.7459212","DOIUrl":"https://doi.org/10.1109/PECI.2016.7459212","url":null,"abstract":"This paper proposes a new Z-source inverter architecture that does not require filtering at the output side to generate smooth ac voltages. Also, it provides a control strategy based on the concept of Model Predictive Control (MPC) for the proposed inverter. Since each switch of the proposed inverter makes a specific impact on the output of the inverter, MPC is a proper method to control the proposed inverter. The proposed system can generate a wide range of ac voltages at various frequencies. Simulation results are provided to validate the operation of the proposed inverter.","PeriodicalId":359438,"journal":{"name":"2016 IEEE Power and Energy Conference at Illinois (PECI)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132302862","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: 8
Optimal operation of a multi-source microgrid to achieve cost and emission targets 实现成本和排放目标的多源微电网优化运行
2016 IEEE Power and Energy Conference at Illinois (PECI) Pub Date : 2016-02-01 DOI: 10.1109/PECI.2016.7459258
H. Moradi, A. Abtahi, M. Esfahanian
{"title":"Optimal operation of a multi-source microgrid to achieve cost and emission targets","authors":"H. Moradi, A. Abtahi, M. Esfahanian","doi":"10.1109/PECI.2016.7459258","DOIUrl":"https://doi.org/10.1109/PECI.2016.7459258","url":null,"abstract":"This paper presents a new approach for the optimization of photovoltaic-wind hybrid systems with battery storage to meet the load requirements. In this study, a 24-hour ahead energy management for a microgrid is utilized. The objectives aim at raising efficiency of energy utilization, minimizing operational cost and reducing environmental effects of energy usage. Also a demand response (DR) program is considered as one of the cost-effective energy alternatives. Based on the prediction of available energy from the PV and wind generators, battery storage availability, load prediction, micro gas turbine (μGT) and main grid emission characteristics, a central energy management system calculates a day-ahead plan of power references for the gas turbine, power purchased from the grid, power sold to the grid, status of the battery and controllable loads. A multi-objective optimization is implemented in order to minimize the energy cost and greenhouse gas emissions.","PeriodicalId":359438,"journal":{"name":"2016 IEEE Power and Energy Conference at Illinois (PECI)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130536727","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: 22
A hybrid model to calculate air gap flux density for a V-shape Interior Permanent Magnet Machine v型内嵌式永磁电机气隙磁通密度计算的混合模型
2016 IEEE Power and Energy Conference at Illinois (PECI) Pub Date : 2016-02-01 DOI: 10.1109/PECI.2016.7459234
Ruiyang Lin, S. Sudhoff
{"title":"A hybrid model to calculate air gap flux density for a V-shape Interior Permanent Magnet Machine","authors":"Ruiyang Lin, S. Sudhoff","doi":"10.1109/PECI.2016.7459234","DOIUrl":"https://doi.org/10.1109/PECI.2016.7459234","url":null,"abstract":"Of the various classes of machines, Interior Permanent Magnet Machines (IPM) are widely used. V-shape IPMs have been reported to have higher power densities compared to other IPM topologies. Designing an IPM is challenging due to highly saturated areas in the rotor. One approach to machine design is based on multi-objective optimization. However, the high computation cost associated with modeling approaches that are commonly used for IPMs, such as Finite Element Analysis (FEA), often makes them difficult to implement in such contexts particularly if the design space is large and the number of operating points considered is significant. An alternative approach is therefore proposed wherein a Magnetic Equivalent Circuit (MEC) is combined with an analytical field analysis to calculate the air gap flux density for a V-shape IPM. The predictions of the proposed model are shown to agree with those obtained using FEA.","PeriodicalId":359438,"journal":{"name":"2016 IEEE Power and Energy Conference at Illinois (PECI)","volume":"34 10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125715237","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
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