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CES Transactions on Electrical Machines and Systems 2024年第2期8卷 127-142页

作者： Bo Pang Qi Si Pan Jiang Kai Liao Xiaojuan Zhu Jianwei Yang Zhengyou He College of Electrical Engineering Southwest Jiaotong University

High-frequency oscillation(HFO) of gridconnected wind power generation systems(WPGS) is one of the most critical issues in recent years that threaten the safe access of WPGS to the grid. Ensuring the WPGS can damp HFO is becoming more and more vital for the development of wind power. The HFO phenomenon of wind turbines under different scenarios usually has different mechanisms. Hence, engineers need to acquire the working mechanisms of the different HFO damping technologies and select the appropriate one to ensure the effective implementation of oscillation damping in practical engineering. This paper introduces the general assumptions of WPGS when analyzing HFO, systematically summarizes the reasons for the occurrence of HFO in different scenarios, deeply analyses the key points and difficulties of HFO damping under different scenarios, and then compares the technical performances of various types of HFO suppression methods to provide adequate references for engineers in the application of technology. Finally, this paper discusses possible future research difficulties in the problem of HFO, as well as the possible future trends in the demand for HFO damping.

关键词： Damping Economics Reviews wind power generation Hafnium oxide Market research wind turbines

Operation Strategies for Coordinating Battery Energy Storage with wind power generation and Their Effects on System Reliability

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Journal of Modern power Systems and Clean Energy 2021年第1期9卷 190-198页

作者： Thais P.Teixeira Carmen L.T.Borges the Federal University of Rio de Janeiro Rio de JaneiroBrazil

The variability of wind power generation requires the allocation of a flexible energy reserve which is capable of compensating for possible imbalances between the load and generation. To reduce the variability of wind power generation and loss of load in generation deficit, we propose operation strategies for coordinating battery energy storage with wind power generation. The effects of the operation strategies on system reliability are evaluated by the developed computation model that represents the main aspects and operation limitations of the batteries. The performance evaluation of the power system is based on the composite reliability indices of loss of load probability(LOLP) and expected energy not supplied(EENS), which is calculated through sequential Monte Carlo simulation. Tests are performed by the developed model with a tutorial system consisting of five busbars and the IEEE RTS system. The results show that the use of large-scale batteries is an alternative to physically guarantee the wind power plants and to act as an operation reserve to reduce the risk of loss of load.

关键词： Energy storage wind power generation power system reliability Monte Carlo simulation

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Reliability evaluation of tidal and wind power generation system with battery energy storage

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Journal of Modern power Systems and Clean Energy 2016年第4期4卷 636-647页

作者： Mingjun LIU Wenyuan LI Juan YU Zhouyang REN Ruilin XU State Key Laboratory of power Transmission Equipment&System Security and New Technology Chongqing UniversityChongqing 400030China Chongqing Electric power Research Institute Chongqing 401123China

This paper presents a method for reliability evaluation of a hybrid generation system of wind and tidal powers with battery energy storage.Such a system may widely exist in coastal areas and islands in the future.A chronological multiple state probability model of tidal power generation system(TPGS)considering both forced outage rate(FOR)of the TPGS and random nature of tidal current speed is developed.In the evaluation of FORs of TPGS and WPGS(wind power generation system),the delivered power related failure rates of power electronic converters for TPGS and WPGS are considered.A chronological power output model of battery energy storage system(BESS)is derived.A hybrid system of tidal and wind generation powers with a BESS is used to demonstrate the effectiveness of the presented method.In case studies,the effects of various parameters on the system reliability are investigated.

关键词： generation system Tidal power generation wind power generation Battery energy storage Reliability evaluation

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Risk-averse Robust Interval Economic Dispatch for power Systems with Large-scale wind power Integration

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CSEE Journal of power and Energy Systems 2024年第1期10卷 105-116页

作者： Zhenjia Lin Haoyong Chen Jinbin Chen Jianping Huang Mengshi Li School of Electric power Engineering South China University of TechnologyGuangzhou 510641China Department of Electrical Engineering Technical University of DenmarkDenmark

This paper presents a robust interval economic dispatch(RIED)model for power systems with large-scale wind power integration.Differing from existing interval optimization(IO)approaches that merely rely on the upper and lower boundaries of random variables,the distribution information retained in the historical data is introduced to the IO method in this paper.Based on the available probability distribution function(PDF),wind power curtailment and load shedding are quantified as the operational risk and incorporated into the decision-making process.In this model,we need not rely on the forecasted value of wind power,which is randomly fluctuating and quite unpredictable.Furthermore,when the PDFs of wind power are taken into account,the resulting dispatch solution makes a good tradeoff between the generation cost and the operational risk.Finally,the RIED model yields an optimal dispatch solution for thermal units and the allowable intervals of wind power for the wind farms,which efficiently mitigates the uncertainty in wind power generation and provides more practical suggestions for system operators.Simulation studies are conducted on a modified IEEE-118 bus system and the results verify the effectiveness of the proposed RIED model.

关键词： Economic dispatch interval optimization risk-averse wind power generation

wind power generation

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Electricity 1999年第3期 52-53页

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A Temporary Frequency Response Strategy Using a Voltage Source-Based PermanentMagnet Synchronous Generator and Energy Storage Systems

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Energy Engineering 2024年第2期121卷 541-555页

作者： Baogang Chen Fenglin Miao Jing Yang Chen Qi Wenyan Ji CSIC HaiZhuangwindpower Co. Ltd.Chongqing400000China State Key Laboratory of Operation and Control of Renewable Energy&Storage Systems China Electric Power Research InstituteBeijing100000China

Energy storage systems(ESS)and permanent magnet synchronous generators(PMSG)are speculated to be able to exhibit frequency regulation capabilities by adding differential and proportional control loops with different control objectives.The available PMSG kinetic energy and charging/discharging capacities of the ESS were restricted.To improve the inertia response and frequency control capability,we propose a short-term frequency support strategy for the ESS and PMSG.To this end,the weights were embedded in the control loops to adjust the participation of the differential and proportional controls based on the system frequency excursion.The effectiveness of the proposed control strategy was verified using PSCAD/EMTDC.The simulations revealed that the proposed strategy could improve the maximum rate of change of the frequency nadir and maximum frequency excursion.Therefore,it provides a promising solution of ancillary services for frequency regulation of PMSG and ESS.

关键词： Inertial control PMSG ESS wind power generation frequency support

Design Optimization of a Self-circulated Hydrogen Cooling System for a PM wind Generator Based on Taguchi Method

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CES Transactions on Electrical Machines and Systems 2024年第2期8卷 170-176页

作者： Gaojia Zhu Yunhao Li Longnv Li IEEE School of Electrical Engineering Tiangong University

With the continuous improvement of permanent magnet(PM) wind generators' capacity and power density, the design of reasonable and efficient cooling structures has become a focus. This paper proposes a fully enclosed self-circulating hydrogen cooling structure for a originally forced-air-cooled direct-drive PM wind generator. The proposed hydrogen cooling system uses the rotor panel supports that hold the rotor core as the radial blades, and the hydrogen flow is driven by the rotating plates to flow through the axial and radial vents to realize the efficient cooling of the generator. According to the structural parameters of the cooling system, the Taguchi method is used to decouple the structural variables. The influence of the size of each cooling structure on the heat dissipation characteristic is analyzed, and the appropriate cooling structure scheme is determined.

关键词： Heating systems Cooling Blades Hydrogen windings Rotors wind power generation

Short-time Voltage Variance Detection of Micro-grid with Direct-drive wind power generation 26th

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Short-time Voltage Variance Detection of Micro-grid with Dir...

Study on Feasibility Evaluation of wind power generation Based on Grey-AHP

第26届中国控制与决策会议

作者： ZHOU Jian-ping ZHU Jian-ping School of Automation Engineering Shanghai University of Electric Power

ISBN: (纸本)9781479937097

Simulation model of micro-grid including a direct-drive wind power generation, two sets of power-controlled distributed generations（DGs） and a three-phase fault module was investigated in Matlab/simulink. Based on the constructed model, the operating process switched from island mode to grid-connected mode was simulated and the voltage variance signal was detected with Daubechies（Db） wavelet. The simulation results show that the singularity of voltage variance was quickly and accurately detected with db wavelet. The fast and accurate detection of short-circuited fault signal is helpful to improve power quality of micro-grid.

关键词： Micro-grid wind power generation Db wavelet voltage variance

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Study on Feasibility Evaluation of Wind Power Generation Bas...

Medium power wind mill control for stand alone energy generation

2012 International Conference on Smart Technologies for Materials and Communication(ICSTMC 2012)

作者： Tan Zuan Fang Fang Xu Baiting Li Xin Department of plans and operations Electric Power Research Institute of Guangdong Power Grid Corporation Economics and Management School North China Electric power University Department of plans and operations Electric power Research Institute of Guangdong power Grid Corporation

The paper builds a Grey-AHP model, which combines gray relative analysis method and Analytic Hierarchy Process. Through analysis of the feasibility of wind power, it establishes the feasibility evaluation system of wind power generation. It evaluates the feasibility of wind power in a certain region by Grey-AHP model. Compared with the actual situation, it proves to that the results are credible and reliable, and also proves the applicability and practical value of the Grey-AHP model.

关键词： Grey-AHP model wind power generation sustainable development evaluation

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Medium power wind mill control for stand alone energy genera...