How Cold Weather Affects Oil type transformers and How China Manufacturers are Responding
Cold weather can have a significant impact on Oil type transformers, as the oil inside them can become more viscous and less effective at cooling the transformer. This can lead to overheating, which can cause the transformer to fail. To address this issue, Chinese manufacturers are taking a number of steps.
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
First, they are using higher quality oil that is more resistant to cold temperatures. This oil is designed to remain fluid even in cold temperatures, allowing it to continue to effectively cool the transformer.
Second, Chinese manufacturers are using improved insulation materials to help keep the transformer warm. This insulation helps to keep the transformer at a more consistent temperature, reducing the risk of overheating.
Finally, Chinese manufacturers are using improved designs that allow for better air circulation. This helps to keep the transformer cool, even in cold weather.
By taking these steps, Chinese manufacturers are helping to ensure that Oil type transformers are able to operate safely and reliably in cold weather. This helps to ensure that these transformers are able to provide reliable power to homes and businesses, even in the coldest of climates.
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Second, Chinese manufacturers are using improved insulation materials to help keep the transformer warm. This insulation helps to keep the transformer at a more consistent temperature, reducing the risk of overheating.
Finally, Chinese manufacturers are using improved designs that allow for better air circulation. This helps to keep the transformer cool, even in cold weather.
By taking these steps, Chinese manufacturers are helping to ensure that Oil type transformers are able to operate safely and reliably in cold weather. This helps to ensure that these transformers are able to provide reliable power to homes and businesses, even in the coldest of climates.