绝缘等级
绝缘等级(Insulation class)
电动机的绝缘等级是指其所用绝缘材料的耐热等级,分A、E、B、F、H、C、N、R级,一般电机绝缘等级多采用E、B、F、H级
(Insulation class of motor refers to the heating resistance class of insulation material including A, E, B, F, H, C, N, R. Insulation class of motor is using E, B, F, H mostly)
温度等级 (Temperature class) |
A 级 Class A |
E 级 Class E |
B 级 Class B |
F 级 Class F |
H 级 Class H |
C 级 Class C |
N 级 Class N |
R 级 Class R |
最高允许温度 (Max allowable temperature) |
105℃ | 120℃ | 130℃ | 155℃ | 180℃ | 200℃ | 220℃ | 240℃ |
绕线温升限值 (Winding temperature rise limit) |
60K | 75K | 80K | 105K | 125K | 135K | 150K |
170K |
性能参考温度 (Performance reference temperature) |
80℃ | 95℃ | 100℃ | 120℃ | 145℃ | 155℃ | 170℃ |
190℃ |