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Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Z.Chen zchiet.aau.dk,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Z.Chen zchet.aau.dk,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,*,1,现代电力系统中的风力发电技术,Wind Power in Modern Power Systems,Contents,Status of Wind Power Development,Danish grid code for wind turbine connection,Wind power in power systems (voltage control and electricity market ),Offshore wind power technology,Introduction of wind power research at the Department of Energy Technology, Aalborg University,Contact:,Professor Z Chen,Department of Energy Technology, Aalborg University,zchet.aau.dk,3,Renewable Energy Technology,Geothermal,15 yr avg growth: 27.7%,2011 growth: 20.3%,Steve Sawyer,“,Global Wind Market Update,”, EWEA 012 conference April 2010, Copenhagen,Wind Power Development,15 yr avg growth: 27.5%,2011 growth: 6%,Steve Sawyer,“,Global Wind Market Update,”, EWEA 2012 April 2012, Copenhagen,Wind Power Development,6,Wind Turbine Development,V164-7.0 MW,7,The Supergrid would link a series of offshore wind farms through the Baltic Sea, the North Sea, the Atlantic, the Bay of Biscay and the Mediterranean.,Developments in Wind Energy Technology,8,Danish Power Industry,Wind power covers 28% of electricity consumption 2011,Aims for a 50% wind share by 2025,Denmark also has large number of CHP installations which supply both heat and electricity load with a high efficiency.,Development from the late 1980s to present,9,Wind power features,Wind is less flexible and less controllable,Wind power is intermittent and difficult to predict,Large shares of wind increase demand for capacity reserves and ancillary services,Unfavourable geographical allocation Attractive wind conditions are usually located in sparsely populated coastal areas and weak grid,10,Steady state,Frequency /Power control,Low/high frequency support,Voltage support/reactive power compensation,Power Quality, flicker, harmonics,Transient /dynamic state,Fault ride through, to stay connected during low voltage on the grid,Ramp rate,Communication /power dispatch,Reliable communication,Wind forecasting,Participate power market,Operate a wind farm/wind turbine like a power station/plant,Grid Code,: Technical document containing the rules governing the operation, maintenance, & development of the system,Grid Codes description and purpose,11,Active power production requirements at frequency/voltage variations,25 kW to 1.5 MW and above,11 kW to 25 kW,Danish Grid Code:,Technical regulation 3.2.5 for wind power plants with a power output greater than 11 kW,12,Requirements for tolerance of voltage drops for wind powerplants with a power output greater than 1.5 MW,Danish Grid Code:,Technical regulation 3.2.5 for wind power plants with a power output greater than 11 kW,13,Requirement for reactive power supply, I,Q, during voltage drops for wind power plants with a power output greater than 1.5 MW,Danish Grid Code:,Technical regulation 3.2.5 for wind power plants with a power output greater than 11 kW,14,Frequency control for wind power plants with a power output higher than 25 MW, as shown in connection with a minor downward regulation P,Delta,Danish Grid Code:,Technical regulation 3.2.5 for wind power plants with a power output greater than 11 kW,15,Reactive power requirements,1.5 kW to 1.5 MW,1.5 MW to 25 MW,greater than 25 MW,Danish Grid Code:,Technical regulation 3.2.5 for wind power plants with a power output greater than 11 kW,LOCATION :Transmission line in the South of Spain,Arcos de la Frontera (Cdiz):,6 wind farms with an installed capacity of 122MW. Connected to 400kV.,Tajo de la Encantada (Mlaga):,3 wind farms with an installed capacity of 111MW. Connected to 220kV.,Huneja (Granada):,6 wind farms with an installed capacity of 248MW. Connected to 400kV.,Voltage Regulation Demonstration,C. Combarros, J. C. Prez,“,Results of implementing voltage control strategies in a cluster within the TWENTIES project framework”, EWEA April, 2012,Wind power control,Each cluster have a Control Unit,The cluster Control Unit can implement various strategies to the different tests. The controller will receive a voltage set-point and then determine a reactive power set-point per wind farm, in order to keep the voltage set-point received, taking into account the reactive power capacity of the wind farms.,Voltage Control in a Cluster,A proportional control algorithm,C. Combarros, J. C. Prez,“,Results of implementing voltage control strategies in a cluster within the TWENTIES project framework”, EWEA April, 2012,Wind power control,Evolution of the Voltage 220kV and 400kV,Oscillations,Saturation,Tap changer influence,C. Combarros, J. C. Prez,“,Results of implementing voltage control strategies in a cluster within the TWENTIES project framework”, EWEA April, 2012,Wind power control,Wind Farm behaviour,Fast response,Q available,Saturation,C. Combarros, J. C. Prez,“,Results of implementing voltage control strategies in a cluster within the TWENTIES project framework”, EWEA April, 2012,Wind power control,Wind power in electricity market,Source: EWEA,Source: IEA Wind, Task 25,Wind power in electricity market,21,Anders N. Andersen,“Proactive participation of wind turbines in the balancing markets”,EWEA April, 2012,Future offshore projects in Denmark,Nicolaos A. Cutululis,Marisciel Litong-Palima, Poul Srensen, “,Offshore wind power production in critical weather conditions,”,TWENTIES Workshop,23,Wind farms control under stormy conditions,Flexible turbine control.,Storm front forecasts.,Coordinate wind farm control with tie line and HVDC interconnector control,Nicolaos A. Cutululis,Marisciel Litong-Palima, Poul Srensen, “,Offshore wind power production in critical weather conditions,”,TWENTIES Workshop,Offshore wind power will contribute significantly to future European energy supply,Danish offshore wind power is concentrated in a relatively small geographical area,Critical weather conditions can lead to large variations in offshore wind power production,A smoother wind turbine storm control will improve the needs of reserves in the power system,Offshore Wind Power,Offshore Wind Power,Background,40 GW offshore wind farm in northern Europe by 2020,150 GW offshore wind farm in Europe by 2030,Offshore super grid,The challenges,High capacity offshore HVDC transmission technologies,Reliability, availability and maintainability,Lack of relevant standards,25,Department of Energy Technology,Research in Wind Turbine Systems,Rotor,Gearbox,Generator,Power,electronics,Transformer,Grid,Mechanical,Energy,Electrical,Energy,Control System,Wind,Energy,Contact:,Professor Z Chen,Department of Energy Technology, Aalborg University,zchet.aau.dk,Generators for Wind Turbines,System cost,Contact:,Professor Z Chen,Department of Energy Technology, Aalborg University,zchet.aau.dk,Design optimization of Generators for Wind Turbines,Control system of variable speed doubly fed induction generator,28,To mitigate the loads and fatigue of HAWTs under balanced and imbalanced conditions respectively.,To mitigate the wind turbine output power oscillation (flicker) caused by 3p effect (wind shear, tower shadow, etc.),Contact:,Professor Z Chen,Department of Energy Technology, Aalborg University,zchet.aau.dk,Normal operation,reactive power control by STATCOM,Wind Turbine Power Quality,Flicker Mitigation with control,Contact:,Professor Z Chen,Department of Energy Technology, Aalborg University,zchet.aau.dk,Wind Turbine Dynamic Stability in Power System Transient,Fault ride through of wind turbines,Contact:,Professor Z Chen,Department of Energy Technology, Aalborg University,zchet.aau.dk,A fuzzy controller for FRT capability improvement of WTs,Offshore Wind Turbine/Farms,Contact:,Professor Z Chen,Department of Energy Technology, Aalborg University,zchet.aau.dk,32,Design and control for a new type of offshore wind farm,Contact:,Professor Z Chen,Department of Energy Technology, Aalborg University,zchet.aau.dk,Domestic loads,Industrial loads,City loads,Wind farms,CHP plant,Probabilistic approach for,Systems with High Level Integration of Renewable Generation Units,Operation mode selection,short-term planning,cable selection,wind turbine capacity and energy curtailment,frequency deviation analysis.,Wind power,CHP generation,Load,Contact:,Professor Z Chen,Department of Energy Technology, Aalborg University,zchet.aau.dk,Probabilistic modelling,Operation of Modern Power Systems in Competitive Electricity Markets,Study the characteristics of a distribution system under a dynamic electricity-pricing, load management system and a large number of DGs.,Propose an optimal operation strategy for a battery energy storage system,Contact:,Professor Z Chen,Department of Energy Technology, Aalborg University,zchet.aau.dk,System stability,Control strategy of DG governor,Control strategy of DG exciter,Load shedding strategy,Adaptive protection set points,Power quality,Contact:,Professor Z Chen,Department of Energy Technology, Aalborg University,zchet.aau.dk,Operation and Control of Modern Distributed Generation Systems,Control and Protection of Islanding Systems,Oscillation Performance and Wide-area Coordination Control of Power System with Large-scale Wind Farms,Study the influence of wind farm integration on power system oscillation,Design a wide-area damping control strategy, coordinating PSS, FACTS damping controller and wind farm damping controller,Contact:,Professor Z Chen,Department of Energy Technology, Aalborg University,zchet.aau.dk,Danish Power system,Hybrid Dual-infeed HVDC system model,Research on hybrid multi-in feed HVDC system with large scale offshore wind farms,Contact:,Professor Z Chen,Department of Energy Technology, Aalborg University,zchet.aau.dk,North Sea Offshore Grid Study,Contact:,Professor Z Chen,Department of Energy Technology, Aalborg University,zchet.aau.dk,EU-Power Cluster,Supergrid, VSC HVDC,System stability,Economics,Development of a Secure, Economic and Environmentally-friendly Modern Power System,Grid structural security assessment and improvement,Optimal operation of electricity market,Real time control strategy,Advanced protection,Intelligent control of distribution systems,Interactive energy system with grid, heating and transportation system,Contact:,Professor Z Chen,Department of Energy Technology, Aalborg University,zchet.aau.dk,演讲完毕，谢谢观看！,内容总结,1。Frequency /Power control。Communication /power dispatch。Flexible turbine control.。Storm front forecasts.。Offshore Wind Turbine/Farms。frequency deviation analysis.。Supergrid, VSC HVDC。演讲完毕，谢谢观看,
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