Cryogenic induction machines have been re-emerging as a potential solution to increase the current power density for challenging specific power applications. Compared with an ambient temperature operation, cryogenic conditions allow higher power density and increased efficiency due to the decrease of electric resistivity of conducting materials and increased cooling capability. This work focuses on the losses analysis of induction machines immersed in liquid nitrogen. Under ambient and cryogenic conditions, experimental tests are performed and presented for two induction machines, a 90 W 40 V induction machine, and a 550 W 400 V induction machine, to evaluate the mechanical, iron and residual losses, and the change of their equivalent circuit parameters.
Losses Analysis of Induction Motors under Ambient and Cryogenic Conditions / Bucho, Luis F. D.; Fernandes, Joao F. P.; Costa Branco, P. J.; Biasion, Marco; Vaschetto, Silvio; Cavagnino, Andrea. - ELETTRONICO. - (2022), pp. 01-07. (Intervento presentato al convegno 2022 IEEE Energy Conversion Congress and Exposition (ECCE) tenutosi a Detroit, MI, USA nel Ottobre 2022) [10.1109/ECCE50734.2022.9947595].
Losses Analysis of Induction Motors under Ambient and Cryogenic Conditions
Biasion, Marco;Vaschetto, Silvio;Cavagnino, Andrea
2022
Abstract
Cryogenic induction machines have been re-emerging as a potential solution to increase the current power density for challenging specific power applications. Compared with an ambient temperature operation, cryogenic conditions allow higher power density and increased efficiency due to the decrease of electric resistivity of conducting materials and increased cooling capability. This work focuses on the losses analysis of induction machines immersed in liquid nitrogen. Under ambient and cryogenic conditions, experimental tests are performed and presented for two induction machines, a 90 W 40 V induction machine, and a 550 W 400 V induction machine, to evaluate the mechanical, iron and residual losses, and the change of their equivalent circuit parameters.File | Dimensione | Formato | |
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https://hdl.handle.net/11583/2982559