Study on Steady-State Temperature Rise Characteristics of Motor Heat Balance under Load Rate

Table 2

Material properties of motor.

Motor parts	Material	Specific heat capacity (J/(kg·K))	Coefficient of thermal conductivity (W/(m·K))
Silicon steel core	M19_24G_2DSF0.920	450	42.5
Stator	M19_24G_2DSF0.920	450	42.5
Rotor	M19_24G_2DSF0.920	450	42.5
Rotor lamination	Cast_aluminum_75C	896	204
Stator winding	Copper	385	410
Inner region	Vacuum	1006.43	0.0242
Outer region	Vacuum	1006.43	0.0242
Shaft	Vacuum	1006.43	0.0242