Transmission system operators and developers require dynamic wind turbine models to evaluate fault-ride-through (FRT) capability and to investigate power system stability associated to the grid incorporation of large windfarms. Therefore, the dynamic model of Siemens Wind Power 3.6 MW variable-speed wind turbines has been implemented in the DIgSILENT PowerFactory and Siemens PTIPSS/E simulation tools for investigations of power system stability. The dynamic wind turbine model has been validated with certified validation measurements executed at the Hoevsoere test site. The tests comprised severe 3-phase shortcircuit faults. Validation showed good and satisfactory agreement between measurements and the dynamic results gained from the wind turbine model. Two minor discrepancies related to the dynamic response of generator rotor speed and transient reactive power have been observed. The deviation in the measured and simulated rotor speed response is most likely explained by the commonly applied C(p) representation of the turbine rotor disregarding complex aerodynamic inflow properties. The impact of these aerodynamic high-order effects on the electrical FRT-response is however negligible. The discrepancy associated with unbalanced voltage recovery conditions cannot be simulated with the common accepted positive-sequence RMS models intended for transient stability investigations of balanced network systems. The DIgSILENT PowerFactory and Siemens PTIPSS/E models are based on a model core common for all Siemens Wind Power variable-speed wind turbines. Therefore the reported results and conclusions can be applied to other sizes of Siemens wind turbines, as well as Siemens Wind Power variable-speed wind turbines connected to 60 Hz network systems. The Siemens Wind Power 3.6 MW variable-speed wind turbine is suitable for large offshore windfarms and is under installation and scheduled commissioning at several international locations. The offshore windfarm constructed in the Burbo Banks (UK) in 2007 consists of twenty five 3.6 MW wind turbines. It will be followed by the Lynn and Inner Dowsing and Gunfleet Sands with 54 and 30 units of 3.6 MW wind turbine, respectively.


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    Titel :

    Modelling and fault-ride-through tests of siemens wind power 3.6 MW variable-speed wind turbines


    Weitere Titelangaben:

    Test der Simulationssoftware und der Fortpflanzung von Spannungsschwankungen bei 3,6-MW-Windkraftanlagen von Siemens mit variabler Geschwindigkeit


    Beteiligte:

    Erschienen in:

    Wind Engineering ; 31 , 6 ; 441-452


    Erscheinungsdatum :

    2007


    Format / Umfang :

    12 Seiten, 5 Bilder, 1 Tabelle, 5 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch






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