Advantages of Sealed Type Oil Immersed Transformers

Sealed type oil immersed transformers have become increasingly popular in the electrical industry due to their numerous advantages. These transformers are manufactured by volume-production companies that specialize in the production of high-quality electrical equipment. In this article, we will explore the advantages of sealed type oil immersed transformers and why they are the preferred choice for many industries. One of the main advantages of sealed type oil immersed transformers is their compact design. These transformers are designed to be smaller and lighter than traditional transformers, making them easier to transport and install. This compact design also allows for more efficient use of space, making them ideal for applications where space is limited. Another advantage of sealed type oil immersed transformers is their high efficiency. These transformers are designed to minimize energy losses, resulting in lower operating costs. The sealed design also helps to reduce the risk of oil leakage, ensuring that the transformer operates at peak efficiency for an extended period of time. Sealed type oil immersed transformers are also known for their excellent insulation properties. The oil used in these transformers acts as a natural insulator, protecting the internal components from moisture and contaminants. This insulation helps to extend the lifespan of the transformer and reduces the risk of electrical faults.

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 addition to their insulation properties, sealed type oil immersed transformers are also highly reliable. The sealed design helps to protect the transformer from external factors such as dust, dirt, and moisture, ensuring that it operates reliably even in harsh environments. This reliability is crucial for industries that rely on a continuous and uninterrupted power supply.

Furthermore, sealed type oil immersed transformers are designed to be maintenance-free. The sealed design eliminates the need for regular oil checks and replacements, reducing maintenance costs and downtime. This makes these transformers an ideal choice for industries that require a reliable and low-maintenance power supply. Sealed type oil immersed transformers are also known for their excellent cooling capabilities. The oil used in these transformers helps to dissipate heat generated during operation, ensuring that the transformer remains cool and operates efficiently. This cooling capability is particularly important in applications where the transformer is subjected to high loads or operates in high-temperature environments. Lastly, sealed type oil immersed transformers are environmentally friendly. The sealed design helps to prevent oil leakage, reducing the risk of environmental contamination. Additionally, these transformers are designed to be recyclable, minimizing waste and promoting sustainability. In conclusion, sealed type oil immersed transformers offer numerous advantages that make them the preferred choice for many industries. Their compact design, high efficiency, excellent insulation properties, reliability, low maintenance requirements, cooling capabilities, and environmental friendliness make them an ideal choice for applications where space, energy efficiency, reliability, and environmental sustainability are crucial. As volume-production manufacturing companies continue to improve and innovate in the production of sealed type oil immersed transformers, we can expect to see their popularity and usage increase in the coming years.