How Oil-Cooled Transformers are Optimized for Cold Regions: A Look at China’s Manufacturing Process
Person 1: “So, what makes oil-cooled transformers optimized for cold regions?”
Type
Rated capacity （KVA）
Voltage combination（KV）
No-load losses（W）
Load losses（W）
No-load Current (%)
Short-circuit impedance (%)
SH15-M-30
30
6,6.3,10,10.5,11/0.4
33
630
1.50
4.0
SH15-M-50
50
6,6.3,10,10.5,11/0.4
43
910
1.20
4.0
SH15-M-63
63
6,6.3,10,10.5,11/0.4
50
1090
1.10
4.0
SH15-M-80
80
6,6.3,10,10.5,11/0.4
60
1310
1.00
4.0
SH15-M-100
100
6,6.3,10,10.5,11/0.4
75
1580
0.90
4.0
SH15-M-125
125
6,6.3,10,10.5,11/0.4
85
1890
0.80
4.0
SH15-M-160
160
6,6.3,10,10.5,11/0.4
100
2310
0.60
4.0
SH15-M-200
200
6,6.3,10,10.5,11/0.4
120
2730
0.60
4.0
SH15-M-250
250
6,6.3,10,10.5,11/0.4
140
3200
0.60
4.0
SH15-M-315
315
6,6.3,10,10.5,11/0.4
170
3830
0.50
4.0
SH15-M-400
400
6,6.3,10,10.5,11/0.4
200
4520
0.50
4.0
SH15-M-500
500
6,6.3,10,10.5,11/0.4
240
5140
0.50
4.0
SH15-M-630
630
6,6.3,10,10.5,11/0.4
320
6200
0.30
4.5
SH15-M-800
800
6,6.3,10,10.5,11/0.4
380
7500
0.30
4.5
SH15-M-1000
1000
6,6.3,10,10.5,11/0.4
450
10300
0.30
4.5
SH15-M-1250
1250
6,6.3,10,10.5,11/0.4
530
12000
0.20
4.5
SH15-M-1600
1600
6,6.3,10,10.5,11/0.4
630
14500
0.20
4.5
SH15-M-2000
2000
6,6.3,10,10.5,11/0.4
750
18300
0.20
5.0
SH15-M-2500
2500
6,6.3,10,10.5,11/0.4
900
21200
0.20
5.0
Person 2: “Well, it all comes down to the manufacturing process. In China, for example, they use a special type of oil-cooled transformer that is designed to be more efficient in cold climates. This is done by using a special type of insulation material that is designed to keep the transformer from losing heat in cold temperatures. Additionally, the transformer is designed to be more efficient in cold climates by using a special type of oil that has a higher viscosity, which helps to reduce heat loss.”
Person 1: “That’s interesting. What other steps are taken to ensure the transformer is optimized for cold climates?”
Person 2: “The transformer is also designed to be more efficient in cold climates by using a special type of cooling system. This cooling system is designed to keep the transformer from overheating in cold temperatures. Additionally, the transformer is designed to be more efficient in cold climates by using a special type of oil that has a higher flash point, which helps to reduce the risk of fire in cold temperatures.”
Person 2: “The transformer is also designed to be more efficient in cold climates by using a special type of cooling system. This cooling system is designed to keep the transformer from overheating in cold temperatures. Additionally, the transformer is designed to be more efficient in cold climates by using a special type of oil that has a higher flash point, which helps to reduce the risk of fire in cold temperatures.”