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Synchronous reluctance machine (SynRM) has attracted much attention thanks to the advantages such as low cost, rugged rotor structure and high efficiency. Conventional drive for the SynRM is the same as that for permanent magnet synchronous machine (PMSM), i.e., the sine-wave drive. In this paper, square-wave drive is proposed for the SynRM. The torque performances with square-wave drive are analyzed...
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...
Influence of design parameters of a synchronous reluctance machine, such as the pole-pair number, stator and rotor structures and winding configuration, is investigated in this paper. A comprehensive optimization of these parameters is then made to enhance the machine performance. Related design rules are thus concluded. A prototype is designed following the rules, and calculated results by finite...
This paper introduces and develops a new operating diagram and parameter estimator for the synchronous reluctance machine, based on the machine equivalent vector model in the synchronous reference frame. The operating diagram demonstrates the machine main performance parameters, like torque, current, voltage, frequency, power factor and current angle, behavior all together in one graph. This diagram...
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