A fast calculation method of AC copper loss for flat wire winding

Abstract

The application discloses a kind of flat wire winding alternating current copper consumption's fast calculation method, first by complex Fourier series decomposition method, establish the Poisson equation and Laplace equation that stator tooth slot area and air gap area satisfy, carry out analytical modeling to slot leakage magnetic field of flat wire motor, the distribution of leakage magnetic field in slot in an electric period is calculated, then alternating current copper consumption calculation model is established to each flat wire conductor in slot, the above-mentioned leakage magnetic field is brought into each conductor alternating current copper consumption calculation model in slot, then the alternating current copper consumption of flat wire winding in slot in an electric period is calculated.The alternating current copper consumption calculation method of flat wire winding winding in slot of the application does not need the auxiliary calculation of electromagnetic field finite element software, while guaranteeing the accuracy of alternating current copper consumption calculation, provides a new method for the calculation of alternating current copper consumption of flat wire motor slot winding.

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