Co-Design Optimization of Direct Drive PMSGs for Offshore Wind Turbines Based on Wind Speed Profile

Linh Dang, Serigne Ousmane Samb, Ryad Sadou and Nicolas Bernard
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Linh Dang: IREENA, Nantes University, CRTT 37 Bd de l’Université, 44600 Saint-Nazaire, France
Serigne Ousmane Samb: IREENA, Nantes University, CRTT 37 Bd de l’Université, 44600 Saint-Nazaire, France
Ryad Sadou: IREENA, Nantes University, CRTT 37 Bd de l’Université, 44600 Saint-Nazaire, France
Nicolas Bernard: IREENA, Nantes University, CRTT 37 Bd de l’Université, 44600 Saint-Nazaire, France

Energies, 2021, vol. 14, issue 15, 1-17

Abstract: This paper presents a new method to optimize, from a working cycle defined by torque and speed profiles, both the design and the control strategy of permanent magnet synchronous generators (PMSGs). The case of a 10 MW direct-drive permanent magnet generator for an Offshore wind turbine was chosen to illustrate this method, which is based on the d–q axis equivalent circuit model. It allows to optimize, with a reduced computation time, the design, considering either a flux weakening control strategy (FW) or a maximum torque per Ampere control (MTPA) strategy, while respecting all the constraints—particularly the thermal constraint, which is characterized by a transient regime. The considered objective is to minimize the mass and the average electric losses over all working points. Thermal and magnetic analytical models are validated by a 2D finite element analysis (FEA).

Keywords: PMSG; co-design optimization; flux weakening control; MTPA control; wind speed profile; offshore wind energy (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 complete reference list from CitEc
Citations: View citations in EconPapers (2)

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