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Interests in using rare-earth free motors such as switched reluctance motors (SRMs) for electric and hybrid electric vehicles (EV/HEVs) continue to gain popularity, owing to their low cost and robustness. Optimal design of a SRM, to meet specific characteristics for an application, should involve simultaneous optimization of the motor geometry and control in order to achieve the highest performance...
This paper proposes a framework for the design of a coreless permanent magnet (PM) machine for a 100 kWh shaft-less high strength steel flywheel energy storage system (SHFES). The PM motor/generator is designed to meet the required specs in terms of torque-speed and power-speed characteristics given by the application. The design challenges of a motor/generator for this architecture include: the poor...
Electric Submersible Pumps are a widespread industrial solution for artificial lift applications in oil industries. Linear motors are becoming more popular as they are applied for new applications in various fields. Integrated Drive-Motor technology shows many promising advantages. In this paper, a system which combines these three technologies for marginal oil wells application is discussed. This...
Literature suggests that a number of poles over 6 is not recommended for Synchronous Reluctance Machines (SynRM) up to the kW-range. To investigate if this fact is also valid for multi-MW Synchronous Reluctance Generators (SynRG), this paper compares such a SynRG with 6, 8 and 12 poles. The effect of different pole numbers on average torque, loss, torque-ripple, d and q inductances is investigated...
Interest in using magnet-less motor such as switched reluctance motors (SRMs) for electric and hybrid electric vehicles (EV/HEVs) continues to gain popularity, owing to their lower costs and robustness. This paper presents design procedures and comparisons between three different multiphase SRMs for a specific traction application using finite elements analysis (FEA). Four-phase, five-phase, and six-phase...
Interest in using magnet-less switched reluctance generators for wind turbines applications continues to gain popularity. Mainly due to unstable price of the magnet raw material that is one of the main challenges for engineers to forecast the final cost of the wind turbine. This paper presents design of a direct drive switched reluctance generator (DDSRG) for wind turbine applications using Finite-Element...
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