Differences Between Dry Type and Liquid Immersed Transformers

Transformers are essential components in electrical systems, as they help to regulate voltage Levels and ensure the safe and efficient transmission of electricity. There are two main types of transformers commonly used in the industry: dry type transformers and liquid immersed transformers. Each type has its own set of advantages and disadvantages, making them suitable for different applications.

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 and core. This makes them ideal for indoor applications where the use of liquid coolant is not feasible or safe. Dry type transformers are also more environmentally friendly, as they do not pose the risk of oil leaks or spills.

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On the other hand, liquid immersed transformers use oil or other liquid coolants to insulate the windings and core. This type of transformer is typically used in outdoor applications or in areas where fire Safety is a concern. Liquid immersed transformers are also more efficient at dissipating heat, making them suitable for high-power applications.

One of the main differences between dry type and liquid immersed transformers is their cooling methods. Dry type transformers rely on natural convection or forced air cooling to dissipate heat, while liquid immersed transformers use the liquid coolant to transfer heat away from the windings and core. This difference in cooling methods can affect the overall efficiency and performance of the transformer.

model Rating\\u00a0power\\u00a0\\uff08KVA\\uff09 Voltage\\u00a0combination\\uff08KV\\uff09 No-load\\u00a0losses\\uff08W\\uff09 Load\\u00a0losses\\uff08W\\uff09 No-load\\u00a0current\\u00a0\\uff08%\\uff09 Short-circuit\\u00a0impedance\\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

Another key difference between dry type and liquid immersed transformers is their maintenance requirements. Dry type transformers generally require less maintenance compared to liquid immersed transformers, as there is no need to monitor and replace the liquid coolant. However, dry type transformers may require more frequent cleaning to prevent dust and debris buildup, which can affect their performance.

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In terms of cost, dry type transformers are typically more expensive upfront compared to liquid immersed transformers. However, the lower maintenance requirements and longer lifespan of dry type transformers can result in cost savings over time. Liquid immersed transformers may require more frequent maintenance and replacement of the liquid coolant, which can add to the overall cost of ownership.

When choosing between dry type and liquid immersed transformers, it is important to consider the specific requirements of the application. Factors such as location, power rating, cooling requirements, and maintenance capabilities should all be taken into account. Some applications may require the use of a specific type of transformer, while others may benefit from the flexibility and efficiency of both types.

model Rated\\u00a0power\\u00a0\\uff08KVA\\uff09 Voltage\\u00a0combination\\uff08KV\\uff09 Off-load\\u00a0losses\\uff08W\\uff09 Load\\u00a0losses\\uff08W\\uff09 Off-load\\u00a0Current\\u00a0(%) Short-circuit\\u00a0voltage\\u00a0(%)
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

In conclusion, both dry type and liquid immersed transformers have their own set of advantages and disadvantages. Understanding the differences between these two types of transformers can help you make an informed decision when selecting the right transformer for your application. Whether you choose a dry type or liquid immersed transformer, it is important to work with a reputable manufacturer or exporter who can provide custom-made solutions to meet your specific requirements. Videos showcasing the manufacturing process and performance of transformers can also be a valuable resource when making your decision.