Reluctance Electric Machines by Boldea Ion; Tutelea Lucian;

Author:Boldea, Ion; Tutelea, Lucian;
Language: eng
Format: epub
Publisher: CRC Press LLC
Published: 2018-06-20T16:00:00+00:00

(7.1)

The flux linkage by the mF field phases in a torque phase is ΨF (per phase):

(7.2)

where: ns—turns /coil (slot), p1—pole pairs, g—airgap, Kc—carter factor, Ksd—magnetic saturation in axis d (for the excitation field flux lines: phases E and F in Figure 7.1b).

There is no apparent need to use the dq model, as the stator mmf is no longer a traveling wave and the currents are not sinusoidal.

Phase coordinates may be adopted for simplicity, despite the fact that the self and mutual inductance all vary with rotor position.

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