Abstract
This paper presents the thermal modelling and analysis of a hybrid excitation synchronous generator with alternated current linkages (HESG-ACL) for stand-alone power supply. The HESG-ACL belongs to a class of hybrid excitation synchronous machines (HESMs), which combine the merits of electrically excited synchronous machines (EESMs) and permanent magnet synchronous machines (PMSMs). To confirm the performance and thermal behaviour of the HESG-ACL, an experimental prototype (69 kVA apparent power) equipped with thermal sensors was built and tested. A description of the HESG-ACL is given. The thermal analysis of the HESG-ACL is carried out based on the thermal resistance network model. The results obtained from the thermal model are verified by the experimental results.
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