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- Title
Design and Thermal Modeling of Modular Hybrid Excited Double-Sided Linear Flux Switching Machine.
- Authors
Jan, Himayat Ullah; Khan, Faisal; Ullah, Basharat; Qasim, Muhammad; Khan, Malak Adnan; Hafeez, Ghulam; Albogamy, Fahad Raddah
- Abstract
This paper presents a Hybrid Excited Double-Sided Linear Flux Switching Machine (HEDSLFSM) with a crooked tooth modular stator. Generally, the conventional stators are made of a full-length iron core, increasing manufacturing costs and iron losses. Higher iron losses result in lower efficiency and lower overall performance. A U-shaped modular stator with a crooked tooth is used to lower iron consumption and increase the machine's efficiency. Ferrite magnets are used to replace rare earth magnets, which also reduces the machine cost. Two DC excitation windings are used above and below the ferrite magnet to reduce the PM volume. 2D electromagnetic performance analysis is done to observe the key performance indices. Geometric optimization is used to optimize the Split Ratio (S.R), DC winding slot area (DCw), and AC winding slot area (ACw). Stator Tooth Width (STW), space between the modules (S.S.), and crooked angle (α) are optimized through JMAG in-built Genetic Algorithm (G.A.) optimization. High thrust force density and modular stator make it a good candidate for long-stroke applications like railway transits. The thermal analysis of the machine is performed by FEA analysis and then validated by 2D LPMC (Lumped Parametric Magnetic Equivalent Circuit) model. Both analyses are compared, and an error percentage of less than 4% is achieved.
- Subjects
FORCE density; RARE earth metals; MACHINING; MAGNETIC circuits; MAGNETS
- Publication
Energies (19961073), 2021, Vol 14, Issue 24, p8511
- ISSN
1996-1073
- Publication type
Article
- DOI
10.3390/en14248511