How Oil Insulated Transformers are Designed to Withstand Extreme Cold in China
When it comes to extreme cold, China is no stranger. With temperatures dropping to as low as -40°C in some parts of the country, it’s no wonder that oil insulated transformers are designed to withstand such extreme conditions.
Oil insulated transformers are designed to be highly efficient and reliable in cold climates. They are constructed with a special type of oil that has a low freezing point, allowing it to remain liquid even in the coldest temperatures. This oil also acts as an insulator, protecting the transformer from the cold and preventing it from shorting out.
Type
Rated capacity （KVA）
Voltage combination（KV）
No-load losses（W）
Load losses（W）
No-load current (%)
Short-circuit impedance (%)
S11-630
630
33,35/6.3,6.6,10.5,11
830
7870
1.10
6.5
S11-800
800
33,35/6.3,6.6,10.5,11
980
9410
1.00
6.5
S11-1000
1000
33,35/6.3,6.6,10.5,11
1150
11540
1.00
6.5
S11-1250
1250
33,35/6.3,6.6,10.5,11
1410
13940
0.90
6.5
S11-1600
1600
33,35/6.3,6.6,10.5,11
1700
16670
0.80
6.5
S11-2000
2000
33,35/6.3,6.6,10.5,11
2180
18380
0.70
6.5
S11-2500
2500
33,35/6.3,6.6,10.5,11
2560
19670
0.60
6.5
S11-3150
3150
33,35/6.3,6.6,10.5,11
3040
23090
0.56
7.0
S11-4000
4000
33,35/6.3,6.6,10.5,11
3620
27360
0.56
7.0
S11-5000
5000
33,35/6.3,6.6,10.5,11
4320
31380
0.48
7.0
S11-6300
6300
33,35/6.3,6.6,10.5,11
5250
35060
0.48
7.5
S11-8000
8000
33,35/6.3,6.6,10.5,11
7200
38500
0.42
7.5
S11-10000
10000
33,35/6.3,6.6,10.5,11
8700
45300
0.42
7.5
S11-12500
12500
33,35/6.3,6.6,10.5,11
10080
53900
0.40
8.0
S11-16000
16000
33,35/6.3,6.6,10.5,11
12160
65800
0.40
8.0
S11-20000
20000
33,35/6.3,6.6,10.5,11
14400
79500
0.40
8.0
S11-25000
25000
33,35/6.3,6.6,10.5,11
17020
94100
0.32
8.0
S11-31500
31500
33,35/6.3,6.6,10.5,11
20220
112900
0.32
8.0
The transformers are also designed with a special type of insulation that is designed to keep the transformer warm. This insulation is made of a material that is able to retain heat, allowing the transformer to stay warm even in the coldest temperatures.
Finally, the transformers are designed with a special type of cooling system that helps to keep the transformer from overheating. This cooling system is designed to keep the transformer running at a safe temperature, even in the coldest temperatures.
Overall, oil insulated transformers are designed to withstand extreme cold in China. With their special type of oil, insulation, and cooling system, these transformers are able to keep running even in the coldest temperatures.
Overall, oil insulated transformers are designed to withstand extreme cold in China. With their special type of oil, insulation, and cooling system, these transformers are able to keep running even in the coldest temperatures.