Abstract
In this paper, a new synchronous machine (SM) modeling is presented using the field reconstruction method (FRM). The FRM for SM has been developed and covers the two main categories: non-salient and salient poles. The FRM concepts are described, and the basis function for stator and rotor is detailed for the target machines. The FRM model is then used as a tool of machine analysis. Specifically, the overall air gap flux density distribution was determined for an arbitrary condition and further the Maxwell stress tensor was used to determine the forces/torque. Moreover, the concept of FRM was used to develop a flux reconstruction formulation, in which the stator tooth flux was used to estimate the flux linkage and then the voltages under no-load condition. All the results were compared to finite element solutions and show that the FRM provides a very accurate solution with the advantage of high computational efficiency. The main contribution of this new modeling is the quickly electromagnetic flux density estimation which creates an opportunity for real-time implementations with fast interactive algorithm processing for machine performance optimization, machine control, analysis, and diagnosis.
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Appendix
Appendix
Salient pole synchronous machine dimensions
Stack length | 112 mm |
Stator inner diameter | 161.5 mm |
Stator outer diameter | 228 mm |
Rotor diameter | 161 mm |
Pole shoe length | 82 mm |
Shaft diameter | 40 mm |
Air-gap length | 0.5 mm |
Stator tooth area | \(177.258~\hbox {mm}^{2}\) |
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Kimpara, M.L.M., Godoy, R.B., Ribeiro, P.E.M.J. et al. A New Synchronous Machine Modeling Using the Field Reconstruction Method. J Control Autom Electr Syst 25, 481–492 (2014). https://doi.org/10.1007/s40313-014-0124-8
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DOI: https://doi.org/10.1007/s40313-014-0124-8