Wind Farm Power Optimization and Fault Ride-Through under Inter-Turn Short-Circuit Fault

Kuichao Ma, Mohsen Soltani, Amin Hajizadeh, Jiangsheng Zhu and Zhe Chen
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Kuichao Ma: Department of Energy Technology, Aalborg University, 6700 Esbjerg, Denmark
Mohsen Soltani: Department of Energy Technology, Aalborg University, 6700 Esbjerg, Denmark
Amin Hajizadeh: Department of Energy Technology, Aalborg University, 6700 Esbjerg, Denmark
Jiangsheng Zhu: SEWPG European Innovation Center ApS, 8000 Aarhus, Denmark
Zhe Chen: Department of Energy Technology, Aalborg University, 9220 Aalborg, Denmark

Energies, 2021, vol. 14, issue 11, 1-16

Abstract: Inter-Turn Short Circuit (ITSC) fault in stator winding is a common fault in Doubly-Fed Induction Generator (DFIG)-based Wind Turbines (WTs). Improper measures in the ITSC fault affect the safety of the faulty WT and the power output of the Wind Farm (WF). This paper combines derating WTs and the power optimization of the WF to diminish the fault effect. At the turbine level, switching the derating strategy and the ITSC Fault Ride-Through (FRT) strategy is adopted to ensure that WTs safely operate under fault. At the farm level, the Particle Swarm Optimization (PSO)-based active power dispatch strategy is used to address proper power references in all of the WTs. The simulation results demonstrate the effectiveness of the proposed method. Switching the derating strategy can increase the power limit of the faulty WT, and the ITSC FRT strategy can ensure that the WT operates without excessive faulty current. The PSO-based power optimization can improve the power of the WF to compensate for the power loss caused by the faulty WT. With the proposed method, the competitiveness and the operational capacity of offshore WFs can be upgraded.

Keywords: wind energy; wind farm control; power dispatch; wake effect; inter-turn short-circuit; particle swarm optimization (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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