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Permanent magnet machines are widely researched for application in electric traction, aero-engine starter generators and many other industrial systems that require high performance. This paper presents the procedure for the design a surface PM machine with consideration on the volt-ampere limitations of the inverter / active rectifier. The relationship between the stack length and number of turns...
An induction generator has been designed for use in an open centred tidal turbine. Mechanical constraints in the turbine design enforces a large magnetic gap in the generator, which inherently limits the power factor. The large diameter of the machine means it is likely to be constructed out of a number of segments, which can each be modelled independently and approximated to either linear segments...
At the beginning of the sizing procedure of a switched reluctance machine (SRM), the system designer is often confronted with the task of finding an appropriate configuration for a specific application. Existing publications ([2], [3]) offer solutions to optimize the geometry of one specific configuration, but no guidance on the choice of the configuration itself. Within the scope of this paper, a...
In this paper a performance comparison of permanent magnet (PM) salient rotor topologies is conducted. The analysis has been carried out for a machine design case study where numerous design requirements need to be satisfied simultaneously. The requirements include: low speed, high torque, low-duty transient operation and zero-speed injection based sensorless control capability. The majority of work...
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