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 Toroidal transformer

 
 
OD环形变压器特点
(1)电效率高铁心无气隙,叠装系数可高达95%以上,铁心磁导率可取1.5~1.8T(叠片式铁心只能取1.2~1.4T),电效率高达95%以上,空载电流只有叠片式的10%。
(2)外形尺寸小,重量轻环形变压器比叠片式变压器重量可以减轻一半,只要保持铁心截面积相等,环形变压器容易改变铁心的长、宽、高比例,可以设计出符合要求的外形尺寸。
(3)磁干扰较小环形变压器铁心没有气隙,绕组均匀地绕在环形的铁心上,这种结构导致了漏磁小,电磁辐射也小,无需另加屏蔽都可以用到高灵敏度的电子设备上,例如应用在低电平放大器和医疗设备上。
(4)振动噪声较小铁心没有气隙能减少噪声。

 





主要技术参数

铁芯 容量 外径尺寸 底板尺寸 安装尺寸 底板厚度
A D F J B C d G
32/64-25 25VA 73 35 80 80 72 72 5 1.2
40/80-25 40VA 90 36 110 110 100 85 5 1.2
40/80-30 50VA 90 42 110 110 100 85 5 1.2
40/80-30 60VA 90 43 110 110 100 85 5 1.2
40/80-40 80VA 90 55 110 110 100 85 5 1.2
45/95-30 100VA 105 42 110 110 100 85 5 1.2
55/95-40 120VA 108 55 110 110 100 85 5 1.2
55/95-40 160VA 110 55 110 110 100 85 5 1.2
55/100-50 200VA 112 65 120 120 108 108 5×7 1.2
55/100-50 250VA 115 65 120 120 108 108 5×7 1.2
46/110-50 300VA 122 65 120 120 108 108 5×7 1.2
46/110-50 350VA 125 65 120 120 108 108 5×7 1.2
55/120-50 400VA 130 68
55/120-50 500VA 133 70
60/120-60 600VA 135 76
64/140-65 800VA 155 85
70/155-65 1000VA 170 85

    
 
 
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