Overview of Dry Type and Liquid Filled Transformers

Transformers play a crucial role in electrical distribution systems, and the two primary types are dry type and liquid filled transformers. Dry type transformers utilize air as a cooling medium, making them suitable for indoor applications where safety and environmental considerations are paramount. They are known for their low maintenance requirements, fire resistance, and compact design, which makes them a preferred choice in urban areas.

On the other hand, liquid filled transformers use insulating oil to provide cooling and insulation. These transformers are generally more efficient for larger power ratings and can handle higher loads. The oil not only serves as a coolant but also provides excellent dielectric properties, ensuring safe operation in various environments. For heavy industrial applications, liquid filled transformers remain a popular solution due to their robustness and reliability.

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Medium Voltage Transformers in China

TypeRated capacity (KVA)Voltage combination(KV)No-load losses(W)Load losses(W)No-load current (%)Short-circuit impedance (%)
SC13-30306,6.3,6.6,10,11/0.41507102.34.0
SC13-50506,6.3,6.6,10,11/0.421510002.24.0
SC13-80806,6.3,6.6,10,11/0.429513801.74.0
SC13-1001006,6.3,6.6,10,11/0.432015701.74.0
SC13-1251256,6.3,6.6,10,11/0.437518501.54.0
SCB13-1601606,6.3,6.6,10,11/0.443021301.54.0
SCB13-2002006,6.3,6.6,10,11/0.449525301.34.0
SCB13-2502506,6.3,6.6,10,11/0.457527601.34.0
SCB13-3153156,6.3,6.6,10,11/0.470534701.14.0
SCB13-4004006,6.3,6.6,10,11/0.478539901.14.0
SCB13-5005006,6.3,6.6,10,11/0.493048801.14.0
SCB13-6306306,6.3,6.6,10,11/0.4107058800.94.0
SCB13-6306306,6.3,6.6,10,11/0.4104059600.96.0
SCB13-8008006,6.3,6.6,10,11/0.4121069600.96.0
SCB13-100010006,6.3,6.6,10,11/0.4141081300.96.0
SCB13-125012506,6.3,6.6,10,11/0.4167096900.96.0
SCB13-160016006,6.3,6.6,10,11/0.41960117000.96.0
SCB13-200020006,6.3,6.6,10,11/0.42440144000.76.0
SCB13-250025006,6.3,6.6,10,11/0.42880171000.76.0

In recent years, China has emerged as a significant hub for manufacturing medium voltage transformers. With numerous factories dedicated to producing premium quality transformers, Chinese suppliers have gained a reputation for their innovative designs and cost-effective solutions. Many of these factories employ advanced technology and adhere to international standards, ensuring that their products meet the demands of global markets.

The competitive pricing offered by Chinese manufacturers is another appealing aspect for businesses looking to invest in medium voltage transformers. By leveraging local resources and efficient production methods, these factories are able to provide high-quality products at lower costs. This has made them an attractive option for companies worldwide seeking reliable transformers without compromising on performance.

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The Importance of Quality and Videos for Suppliers

When selecting a transformer supplier, quality should always be a top priority. Premium manufacturers focus on using all new materials and advanced engineering techniques to ensure that their products deliver optimal performance and longevity. Customers often seek suppliers who can demonstrate their commitment to quality through certifications and third-party testing.

TypeRated capacity (KVA)Voltage combination(KV)No-load losses(W)Load losses(W)No-load current (%)Short-circuit impedance (%)
S11-63063033,35/6.3,6.6,10.5,1183078701.106.5
S11-80080033,35/6.3,6.6,10.5,1198094101.006.5
S11-1000100033,35/6.3,6.6,10.5,111150115401.006.5
S11-1250125033,35/6.3,6.6,10.5,111410139400.906.5
S11-1600160033,35/6.3,6.6,10.5,111700166700.806.5
S11-2000200033,35/6.3,6.6,10.5,112180183800.706.5
S11-2500250033,35/6.3,6.6,10.5,112560196700.606.5
S11-3150315033,35/6.3,6.6,10.5,113040230900.567.0
S11-4000400033,35/6.3,6.6,10.5,113620273600.567.0
S11-5000500033,35/6.3,6.6,10.5,114320313800.487.0
S11-6300630033,35/6.3,6.6,10.5,115250350600.487.5
S11-8000800033,35/6.3,6.6,10.5,117200385000.427.5
S11-100001000033,35/6.3,6.6,10.5,118700453000.427.5
S11-125001250033,35/6.3,6.6,10.5,1110080539000.408.0
S11-160001600033,35/6.3,6.6,10.5,1112160658000.408.0
S11-200002000033,35/6.3,6.6,10.5,1114400795000.408.0
S11-250002500033,35/6.3,6.6,10.5,1117020941000.328.0
S11-315003150033,35/6.3,6.6,10.5,11202201129000.328.0

Moreover, videos showcasing the manufacturing process, product features, and real-world applications can greatly assist potential buyers in making informed decisions. These visual aids provide insights into the factory’s capabilities and the quality control measures implemented during production. For many customers, seeing the transformer in action or understanding its features through video can significantly influence their purchasing choices, ensuring they select the best option for their needs.