Exploring the Benefits of Oil immersed transformers: How China Manufacturers are Enhancing Overload Resistance
The use of Oil immersed transformers has become increasingly popular in recent years due to their superior overload resistance and efficiency. As a result, Chinese manufacturers have been exploring ways to further enhance the performance of these transformers. This article will compare the benefits of Oil immersed transformers and how Chinese manufacturers are enhancing their overload resistance.
Type
Rated capacity （KVA）
No-load losses（W）
Voltage combination （KV）
Load losses（W）
No-load current （%）
Short-circuit impedance （%）
S11-M-30
30
100
6,6.3,10,10.5,11/0.4
600
2.3
4.0
S11-M-50
50
130
6,6.3,10,10.5,11/0.4
870
2.0
4.0
S11-M-63
63
150
6,6.3,10,10.5,11/0.4
1040
1.9
4.0
S11-M-80
80
180
6,6.3,10,10.5,11/0.4
1250
1.9
4.0
S11-M-100
100
200
6,6.3,10,10.5,11/0.4
1500
1.8
4.0
S11-M-125
125
240
6,6.3,10,10.5,11/0.4
1800
1.7
4.0
S11-M-160
160
280
6,6.3,10,10.5,11/0.4
2200
1.6
4.0
S11-M-200
200
340
6,6.3,10,10.5,11/0.4
2600
1.5
4.0
S11-M-250
250
400
6,6.3,10,10.5,11/0.4
3050
1.4
4.0
S11-M-315
315
480
6,6.3,10,10.5,11/0.4
3650
1.4
4.0
S11-M-400
400
570
6,6.3,10,10.5,11/0.4
4300
1.3
4.0
S11-M-500
500
680
6,6.3,10,10.5,11/0.4
5100
1.2
4.0
S11-M-630
630
810
6,6.3,10,10.5,11/0.4
6200
1.1
4.5
S11-M-800
800
980
6,6.3,10,10.5,11/0.4
7500
1.0
4.5
S11-M-1000
1000
1150
6,6.3,10,10.5,11/0.4
10300
1.0
4.5
S11-M-1250
1250
1360
6,6.3,10,10.5,11/0.4
12800
0.9
4.5
S11-M-1600
1600
1640
6,6.3,10,10.5,11/0.4
14500
0.8
4.5
S11-M-2000
2000
2280
6,6.3,10,10.5,11/0.4
17820
0.6
5.0
S11-M-2500
2500
2700
6,6.3,10,10.5,11/0.4
20700
0.6
5.0
S11-M-30-
30
90
20,22/0.4
660
2.1
5.5
S11-M-50-
50
130
20,22/0.4
960
2
5.5
S11-M-63-
63
150
20,22/0.4
1145
1.9
5.5
S11-M-80-
80
180
20,22/0.4
1370
1.8
5.5
S11-M-100-
100
200
20,22/0.4
1650
1.6
5.5
S11-M-125-
125
240
20,22/0.4
1980
1.5
5.5
S11-M-160-
160
290
20,22/0.4
2420
1.4
5.5
S11-M-200-
200
330
20,22/0.4
2860
1.3
5.5
S11-M-250-
250
400
20,22/0.4
3350
1.2
5.5
S11-M-315-
315
480
20,22/0.4
4010
1.1
5.5
S11-M-400-
400
570
20,22/0.4
4730
1
5.5
S11-M-500
500
680
20,22/0.4
5660
1
5.5
S11-M-630
630
810
20,22/0.4
6820
0.9
6
S11-M-800
800
980
20,22/0.4
8250
1.8
6
S11-M-1000
1000
1150
20,22/0.4
11330
0.7
6
S11-M-1250
1250
1350
20,22/0.4
13200
0.7
6
S11-M-1600
1600
1630
20,22/0.4
15950
0.6
6
Oil immersed transformers are widely used in industrial and commercial applications due to their superior overload resistance and efficiency. These transformers are designed to operate at higher temperatures than air-cooled transformers, allowing them to handle higher loads without overheating. Additionally, Oil immersed transformers are more reliable and require less maintenance than air-cooled transformers.
Chinese manufacturers have been exploring ways to further enhance the performance of Oil immersed transformers. One of the most effective methods is to use a combination of oil and gas insulation. This combination of insulation materials provides superior overload resistance and efficiency, allowing the transformer to handle higher loads without overheating. Additionally, the use of gas insulation reduces the risk of fire and explosion, making Oil immersed transformers even safer to use.
Another way Chinese manufacturers are enhancing the performance of Oil immersed transformers is by using advanced cooling systems. These systems use a combination of oil and air to cool the transformer, allowing it to operate at higher temperatures without overheating. Additionally, these cooling systems are designed to be more efficient than traditional air-cooled systems, reducing energy consumption and costs.
Finally, Chinese manufacturers are also exploring ways to improve the reliability of Oil immersed transformers. This includes using advanced materials and components that are designed to withstand extreme temperatures and loads. Additionally, these components are designed to be more durable and require less maintenance than traditional components.
In conclusion, Chinese manufacturers are exploring ways to further enhance the performance of Oil immersed transformers. By using a combination of oil and gas insulation, advanced cooling systems, and more reliable components, these manufacturers are able to provide superior overload resistance and efficiency. As a result, Oil immersed transformers are becoming increasingly popular in industrial and commercial applications.
