Transformer winding thermometer red needle mean

Reach the highest temperature of operation. 1, the dry type transformer coil, when using A level of insulation materials, its limit working temperature at 105 ℃, the highest temperature should be less than 60 ℃. 2, when using E insulation material, its limit working temperature at 120 ℃, the highest temperature should be less than 75 ℃. When class B insulation material is used, its limit working temperature at 130 ℃, the highest temperature should be less than 80 ℃. When using F class insulation material, its limit working temperature at 155 ℃, the highest temperature should be less than 100 ℃. 3, when using class H insulation material, its limit working temperature at 180 ℃, the highest temperature should be less than 125 ℃. When using C grade insulating material, its limit working temperature at 220 ℃, the highest temperature should be less than 150 ℃. 4, three winding transformer winding of each phase are three winding transformer windings when one is received after the ac power, the other two winding induction potential in different, this kind of transformer is applied to two different voltage grade of load. 5, rated capacity refers to the capacity of the largest capacity of the winding, the percentage of the general capacity in high school there are three kinds of low voltage winding form 100/100/50, 100, 100/100/100/100/50. 最高温度达到操作。 1,干式变压器的线圈,在使用类绝缘材料时,其极限工作温度为105°C,最大温升应小于60°C。 2,当使用类绝缘材料,当极限工作温度为120°C,最大温升应小于75°C; 当使用B级绝缘材料时,B级绝缘材料的最高工作温度应小于80°C。 当使用F绝缘材料时,F类的最高工作温度为155°C,和最大温升应小于100°C。 3,当使用H类绝缘材料,当极限工作温度为180°C,最大温升应小于125°C; 当使用C绝缘材料时,材料的最高工作温度为220°C,和最大温升应小于150°C。 4和3有三绕组变压器绕组的每个阶段3 - 绕组变压器。 当1绕组连接到交流电源,另2绕组意义不同的潜力。 这个变压器用于需要2种不同的电压水平。 负载。 绕组的额定容量是指容量最大的能力。 一般容量的百分比有三个形式的100/100/50 100/50/100,100/100/100根据高中低压绕组。