Oil type transformers are crucial components in electrical power systems, designed to transfer electrical energy between two or more circuits through electromagnetic induction. They utilize oil as an insulating and cooling medium, which helps in maintaining optimal operating temperatures and preventing electrical failures. The use of oil not only ensures efficiency but also enhances the longevity of the transformer. The construction of oil type transformers involves a core made of silicon steel laminations, which minimizes energy loss. The transformer windings are submerged in mineral oil, which serves dual purposes: it provides electrical insulation and dissipates heat generated during operation. This design makes oil type transformers particularly suitable for high voltage applications.
Fire-Proof Features of Oil Type Transformers
Fire safety is a paramount concern for electrical equipment, especially for oil type transformers due to their flammable insulating fluid. To mitigate fire risks, modern oil type transformers are designed with several fire-proof features. These include flame-retardant materials in their construction and advanced cooling systems that prevent overheating.
Additionally, many manufacturers incorporate safety devices such as pressure relief valves and explosion-proof enclosures. These features work together to ensure that, in the event of an internal fault, the transformer can contain potential fires and prevent them from spreading to surrounding areas. Regular maintenance and monitoring systems are essential to uphold these safety standards.
The Role of Exporters and Makers in the Transformer Industry
The market for oil type transformers is global, with numerous exporters and manufacturers playing a critical role in its growth. Exporters facilitate the distribution of these transformers across different regions, ensuring that they meet local standards and regulations. Their expertise in logistics and compliance is vital for the successful export of such specialized equipment.
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
On the other hand, makers of oil type transformers focus on innovation and quality control. They invest in research and development to improve the efficiency and safety of their products. By adhering to international standards, these manufacturers not only enhance their reputation but also cater to a broader market, fulfilling the demands of various industries, including utilities and renewable energy sectors.
