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Transformer calculation
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Transformer winding calculations
capacity
*
kVA
High voltage rating
*
V
Low voltage rating
*
V
The designator of the high-voltage connection group
*
D
Y
Low-voltage connection group designator
*
d
y
High-voltage winding material
*
Copper
Aluminum
Low-voltage winding material
*
Copper
Aluminum
High voltage wire gauges
*
ZB
ZLB
QQ
QQL
Low-voltage wire gauges
*
ZB
ZLB
Copper strip
Aluminum strip
Iron core grade
*
27QG100
27QG110
30Q120
30Q130
30Q140
Cross-sectional area
*
High - current density
*
3
4
2.5
2.6
2.7
2.8
2.9
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
4.1
4.2
4.3
4.4
4.5
Low-current density
*
3
4
2.5
2.6
2.7
2.8
2.9
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
4.1
4.2
4.3
4.4
4.5
Calculate
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