A Synchronous Machine Transient Model Based upon an Algebraic Loop Accounting for Nonlinearity and Cross-Magnetization

Table 1

Main parameters of the test SM.

Symbol	Description	Value
	Rated power	60 kVA
	Rated voltage	400 V
	Rated speed	1500 rpm
	Rated frequency	50 Hz
	Rated power factor	0.9
	Airgap range at the pole shoe	mm
	Pole coverage	0.76
	Active axial length	184 mm
	Airgap average radius	161 mm
	Slots per pole per phase	6
	Conductors per slot	8
	Armature phase resistance (p.u.)
	Field winding resistance (p.u.)
	-axis damp. circuit resistance (p.u.)
	-axis damp. circuit resistance (p.u.)
	Nominal -axis reactance (p.u.)	1.32
	Nominal -axis reactance (p.u.)	0.72
	Nominal anisotropy factor	0.83
	Armature stray factor	5.2%
	Field winding to armature stray factor	9.7%
	Armature to -axis damper circuit stray factor	11.8%
	-axis damper circuit stray factor	13.3%
	Armature shielding coefficient	1.7%
	Field winding shielding coefficient	9.5%
	-axis damper circuit shielding coefficient	11.7%