Title :
A model for coupled magnetic-electric circuits in electric machines with skewed slots
Author :
Piriou, Francis ; Razek, Adel
Author_Institution :
Lab. de Genie Electr. de Paris, France
fDate :
3/1/1990 12:00:00 AM
Abstract :
A model permitting the simulation of skewed-slot saturated machines associated with nonlinear external circuits is proposed. To take the slot effects into account, the magnetic circuit is modeled through the combined two-dimensional calculations along the machine axis. In this simulation the electric circuit equation is directly coupled with the magnetic one. The solution of the resulting nonlinear time-dependent equation is obtained using step-by-step numerical integration and the Newton-Raphson iterative procedure. The model is used for the simulation of a 4.6-N-m permanent-magnet synchronous machine in various modes of operation
Keywords :
electric machine analysis computing; integration; iterative methods; machine theory; magnetic circuits; permanent magnet motors; synchronous machines; Newton-Raphson iterative procedure; coupled magnetic-electric circuits; electric machines; magnetic circuit; model; nonlinear external circuits; nonlinear time-dependent equation; permanent-magnet synchronous machine; simulation; skewed-slot saturated machines; step-by-step numerical integration; two-dimensional calculations; Circuit simulation; Coupling circuits; Electric machines; Magnetic circuits; Magnetic flux; Magnetic semiconductors; Nonlinear equations; Saturation magnetization; Two dimensional displays; Voltage;
Journal_Title :
Magnetics, IEEE Transactions on
