Advantages of Hermetic Oil Immersed Transformers

Hermetic oil immersed transformers have become increasingly popular in the electrical industry due to their numerous advantages. These transformers are designed to be completely sealed, preventing any external elements from entering the system. This article will explore the advantages of hermetic oil immersed transformers and why they are a preferred choice for many industries. One of the main advantages of hermetic oil immersed transformers is their ability to withstand harsh environmental conditions. The hermetic sealing ensures that no moisture, dust, or other contaminants can enter the transformer, protecting it from potential damage. This makes these transformers ideal for outdoor installations or locations with high humidity levels. Furthermore, the hermetic sealing also eliminates the need for regular maintenance and inspection. Since no external elements can enter the transformer, there is no risk of oil contamination or degradation. This significantly reduces the maintenance costs associated with traditional transformers, making hermetic oil immersed transformers a cost-effective solution for many industries. Another advantage of hermetic oil immersed transformers is their high efficiency. These transformers are designed to minimize energy losses, resulting in lower operating costs. The hermetic sealing ensures that the oil remains at a constant temperature, reducing the risk of overheating and improving overall efficiency. This makes hermetic oil immersed transformers an environmentally friendly option, as they consume less energy and produce fewer greenhouse gas emissions.

In addition to their efficiency, hermetic oil immersed transformers also offer excellent insulation properties. The oil used in these transformers acts as a natural insulator, preventing any electrical arcing or short circuits. This ensures the safety of the transformer and reduces the risk of electrical accidents. The insulation properties of hermetic oil immersed transformers also contribute to their long lifespan, as they are less prone to wear and tear. Furthermore, hermetic oil immersed transformers are known for their compact design. The sealed construction allows for a smaller footprint, making them suitable for installations in limited spaces. This is particularly beneficial for industries where space is a constraint, such as urban areas or industrial plants. Lastly, hermetic oil immersed transformers are available in bulk production, making them easily accessible for various industries. Many reputable manufacturers and suppliers offer these transformers in large quantities, ensuring a steady supply for businesses. This bulk production also allows for competitive pricing, making hermetic oil immersed transformers an affordable option for many industries.

Type	Rated capacity （KVA）	Voltage combination（KV）	No-load losses（W）	Load losses（W）	No-load current （%）	Short-circuit impedance （%）
SZ11-2000	2000	33,35/6.3,6.6,10.5,11	2300	19240	0.80	6.5
SZ11-2500	2500	33,35/6.3,6.6,10.5,11	2720	20640	0.80	6.5
SZ11-3150	3150	33,35/6.3,6.6,10.5,11	3230	24710	0.72	7.0
SZ11-4000	4000	33,35/6.3,6.6,10.5,11	3870	29160	0.72	7.0
SZ11-5000	5000	33,35/6.3,6.6,10.5,11	4640	34200	0.68	7.0
SZ11-6300	6300	33,35/6.3,6.6,10.5,11	5630	36800	0.68	7.5
SZ11-8000	8000	33,35/6.3,6.6,10.5,11	7870	40600	0.60	7.5
SZ11-10000	10000	33,35/6.3,6.6,10.5,11	9280	48100	0.60	7.5
SZ11-12500	12500	33,35/6.3,6.6,10.5,11	10940	56900	0.56	8.0
SZ11-16000	16000	33,35/6.3,6.6,10.5,11	13170	70300	0.54	8.0
SZ11-20000	20000	33,35/6.3,6.6,10.5,11	15570	82800	0.54	8.0

In conclusion, hermetic oil immersed transformers offer numerous advantages that make them a preferred choice for many industries. Their ability to withstand harsh environmental conditions, low maintenance requirements, high efficiency, excellent insulation properties, compact design, and bulk production availability make them an ideal solution for various applications. Whether it is for outdoor installations, limited spaces, or cost-effective operations, hermetic oil immersed transformers provide a reliable and efficient electrical solution.