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Exploring the Differences Between Dry Type and Oil Immersed Transformers
Transformers are essential components in the electrical distribution system, responsible for stepping up or stepping Down voltage Levels to ensure efficient Power Transmission. Among the various types of transformers available in the market, two common options are dry type and oil immersed transformers. Both types have their own set of advantages and disadvantages, making them suitable for different applications depending on the specific requirements.
Dry type transformers, as the name suggests, do not use any liquid coolant for insulation. Instead, they rely on air or solid insulation materials to protect the windings from electrical faults. This makes them a safer option for indoor installations, as there is no risk of oil leakage or fire hazards. Dry type transformers are also more environmentally friendly, as they do not contain any hazardous substances that can pollute the soil or water in case of a leak.
On the other hand, oil immersed transformers use mineral oil as a coolant and insulating medium. The oil helps to dissipate heat generated during operation, ensuring efficient cooling of the transformer. Oil immersed transformers are typically used for outdoor installations or in areas where fire Safety regulations allow for the use of oil-filled equipment. However, the use of oil in these transformers can pose environmental risks in case of a leak or spill, making them less desirable in certain applications.
When it comes to installation, dry type transformers are usually smaller and lighter than oil immersed transformers, making them easier to transport and install. They also require less maintenance compared to oil immersed transformers, as there is no need to monitor oil levels or perform regular oil testing. This makes dry type transformers a cost-effective option for applications where space is limited or where maintenance access is restricted.
Oil immersed transformers, on the other hand, are more robust and durable, making them suitable for harsh environmental conditions or high load applications. The oil acts as a natural insulator, protecting the windings from moisture and contaminants that can degrade the insulation over time. This makes oil immersed transformers a reliable choice for long-term use in industrial or utility applications where reliability is crucial.
In China, there are several companies that specialize in the manufacturing of both dry type and oil immersed transformers. These companies have extensive experience in designing and producing transformers that meet international standards for quality and performance. They also offer a range of customization options to meet the specific requirements of their customers, ensuring that each transformer is tailored to the unique needs of the application.
| Type | Rating\\u00a0power\\u00a0\\uff08KVA\\uff09 | Voltage\\u00a0combination\\uff08KV\\uff09 | Off-load\\u00a0losses\\uff08W\\uff09 | Load\\u00a0losses\\uff08W\\uff09 | Off-load\\u00a0current\\u00a0\\uff08%\\uff09 | Short-circuit\\u00a0voltage\\u00a0\\uff08%\\uff09 |
| SC13-30 | 30 | 6,6.3,6.6,10,11/0.4 | 150 | 710 | 2.3 | 4.0 |
| SC13-50 | 50 | 6,6.3,6.6,10,11/0.4 | 215 | 1000 | 2.2 | 4.0 |
| SC13-80 | 80 | 6,6.3,6.6,10,11/0.4 | 295 | 1380 | 1.7 | 4.0 |
| SC13-100 | 100 | 6,6.3,6.6,10,11/0.4 | 320 | 1570 | 1.7 | 4.0 |
| SC13-125 | 125 | 6,6.3,6.6,10,11/0.4 | 375 | 1850 | 1.5 | 4.0 |
| SCB13-160 | 160 | 6,6.3,6.6,10,11/0.4 | 430 | 2130 | 1.5 | 4.0 |
| SCB13-200 | 200 | 6,6.3,6.6,10,11/0.4 | 495 | 2530 | 1.3 | 4.0 |
| SCB13-250 | 250 | 6,6.3,6.6,10,11/0.4 | 575 | 2760 | 1.3 | 4.0 |
| SCB13-315 | 315 | 6,6.3,6.6,10,11/0.4 | 705 | 3470 | 1.1 | 4.0 |
| SCB13-400 | 400 | 6,6.3,6.6,10,11/0.4 | 785 | 3990 | 1.1 | 4.0 |
| SCB13-500 | 500 | 6,6.3,6.6,10,11/0.4 | 930 | 4880 | 1.1 | 4.0 |
| SCB13-630 | 630 | 6,6.3,6.6,10,11/0.4 | 1070 | 5880 | 0.9 | 4.0 |
| SCB13-630 | 630 | 6,6.3,6.6,10,11/0.4 | 1040 | 5960 | 0.9 | 6.0 |
| SCB13-800 | 800 | 6,6.3,6.6,10,11/0.4 | 1210 | 6960 | 0.9 | 6.0 |
| SCB13-1000 | 1000 | 6,6.3,6.6,10,11/0.4 | 1410 | 8130 | 0.9 | 6.0 |
| SCB13-1250 | 1250 | 6,6.3,6.6,10,11/0.4 | 1670 | 9690 | 0.9 | 6.0 |
| SCB13-1600 | 1600 | 6,6.3,6.6,10,11/0.4 | 1960 | 11700 | 0.9 | 6.0 |
| SCB13-2000 | 2000 | 6,6.3,6.6,10,11/0.4 | 2440 | 14400 | 0.7 | 6.0 |
| SCB13-2500 | 2500 | 6,6.3,6.6,10,11/0.4 | 2880 | 17100 | 0.7 | 6.0 |
To learn more about the differences between dry type and oil immersed transformers, many Chinese companies provide informative videos on their websites or social media channels. These videos showcase the manufacturing process, testing procedures, and performance characteristics of each type of transformer, helping customers make informed decisions when selecting the right transformer for their application.
| Type | Rating\\u00a0power\\u00a0\\uff08KVA\\uff09 | Voltage\\u00a0combination\\uff08KV\\uff09 | Off-load\\u00a0losses\\uff08W\\uff09 | Load\\u00a0losses\\uff08W\\uff09 | Off-load\\u00a0current\\u00a0\\uff08%\\uff09 | Short-circuit\\u00a0voltage\\u00a0\\uff08%\\uff09 |
| SC13-30 | 30 | 6,6.3,6.6,10,11/0.4 | 150 | 710 | 2.3 | 4.0 |
| SC13-50 | 50 | 6,6.3,6.6,10,11/0.4 | 215 | 1000 | 2.2 | 4.0 |
| SC13-80 | 80 | 6,6.3,6.6,10,11/0.4 | 295 | 1380 | 1.7 | 4.0 |
| SC13-100 | 100 | 6,6.3,6.6,10,11/0.4 | 320 | 1570 | 1.7 | 4.0 |
| SC13-125 | 125 | 6,6.3,6.6,10,11/0.4 | 375 | 1850 | 1.5 | 4.0 |
| SCB13-160 | 160 | 6,6.3,6.6,10,11/0.4 | 430 | 2130 | 1.5 | 4.0 |
| SCB13-200 | 200 | 6,6.3,6.6,10,11/0.4 | 495 | 2530 | 1.3 | 4.0 |
| SCB13-250 | 250 | 6,6.3,6.6,10,11/0.4 | 575 | 2760 | 1.3 | 4.0 |
| SCB13-315 | 315 | 6,6.3,6.6,10,11/0.4 | 705 | 3470 | 1.1 | 4.0 |
| SCB13-400 | 400 | 6,6.3,6.6,10,11/0.4 | 785 | 3990 | 1.1 | 4.0 |
| SCB13-500 | 500 | 6,6.3,6.6,10,11/0.4 | 930 | 4880 | 1.1 | 4.0 |
| SCB13-630 | 630 | 6,6.3,6.6,10,11/0.4 | 1070 | 5880 | 0.9 | 4.0 |
| SCB13-630 | 630 | 6,6.3,6.6,10,11/0.4 | 1040 | 5960 | 0.9 | 6.0 |
| SCB13-800 | 800 | 6,6.3,6.6,10,11/0.4 | 1210 | 6960 | 0.9 | 6.0 |
| SCB13-1000 | 1000 | 6,6.3,6.6,10,11/0.4 | 1410 | 8130 | 0.9 | 6.0 |
| SCB13-1250 | 1250 | 6,6.3,6.6,10,11/0.4 | 1670 | 9690 | 0.9 | 6.0 |
| SCB13-1600 | 1600 | 6,6.3,6.6,10,11/0.4 | 1960 | 11700 | 0.9 | 6.0 |
| SCB13-2000 | 2000 | 6,6.3,6.6,10,11/0.4 | 2440 | 14400 | 0.7 | 6.0 |
| SCB13-2500 | 2500 | 6,6.3,6.6,10,11/0.4 | 2880 | 17100 | 0.7 | 6.0 |
In conclusion, both dry type and oil immersed transformers have their own advantages and disadvantages, making them suitable for different applications depending on the specific requirements. While dry type transformers are safer and more environmentally friendly, oil immersed transformers are more robust and durable, making them suitable for harsh environmental conditions or high load applications. By exploring the differences between these two types of transformers, customers can make informed decisions when selecting the right transformer for their needs.
