System studies of voltage dips resulting from energisation of MV wind turbine transformers

Author(s):  
T. Ma ◽  
A. Cadmore
Keyword(s):  
Energies ◽  
2020 ◽  
Vol 13 (16) ◽  
pp. 4078 ◽  
Author(s):  
Tania García-Sánchez ◽  
Irene Muñoz-Benavente ◽  
Emilio Gómez-Lázaro ◽  
Ana Fernández-Guillamón

Wind power plants depend greatly on weather conditions, thus being considered intermittent, uncertain and non-dispatchable. Due to the massive integration of this energy resource in the recent decades, it is important that transmission and distribution system operators are able to model their electrical behaviour in terms of steady-state power flow, transient dynamic stability, and short-circuit currents. Consequently, in 2015, the International Electrotechnical Commission published Standard IEC 61400-27-1, which includes generic models for wind power generation in order to estimate the electrical characteristics of wind turbines at the connection point. This paper presents, describes and details the models for wind turbine topologies Types 1 and 2 following IEC 61400-27-1 for electrical simulation purposes, including the values for the parameters for the different subsystems. A hardware-in-the-loop combined with a real-time simulator is also used to analyse the response of such wind turbine topologies under voltage dips. The evolution of active and reactive powers is discussed, together with the wind turbine rotor and generator rotational speeds.


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