Overview of ONAN Transformers

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ONAN transformers, or Oil Natural Air Natural transformers, are a type of transformer that utilizes oil for cooling and insulation. This design allows for efficient heat dissipation, making them suitable for various applications, including industrial and commercial settings. The ONAN system is notable for its simplicity and reliability, which are essential factors for high-performance electrical equipment.

Manufactured primarily in China, ONAN transformers have gained recognition for their high quality and durability. Chinese manufacturers leverage advanced technology and stringent quality control processes to produce transformers that meet international standards. This commitment to excellence ensures that ONAN transformers can operate efficiently in a variety of environments.

TypeRating power (KVA)Voltage combination(KV)Off-load losses(W)Load losses(W)Off-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

Features of 3 Phase Transformers

3 phase transformers are designed to handle three-phase electrical systems, which are commonly used in industrial applications due to their efficiency and balance. These transformers can be configured in various ways, including delta and wye connections, depending on the specific requirements of the power system. This versatility makes them an ideal choice for many users seeking reliable power distribution.

modelRated power (KVA)No-load losses(W)Voltage combination (KV)Load losses(W)No-load current (%)Short-circuit voltage (%)
S11-M-30301006,6.3,10,10.5,11/0.46002.34.0
S11-M-50501306,6.3,10,10.5,11/0.48702.04.0
S11-M-63631506,6.3,10,10.5,11/0.410401.94.0
S11-M-80801806,6.3,10,10.5,11/0.412501.94.0
S11-M-1001002006,6.3,10,10.5,11/0.415001.84.0
S11-M-1251252406,6.3,10,10.5,11/0.418001.74.0
S11-M-1601602806,6.3,10,10.5,11/0.422001.64.0
S11-M-2002003406,6.3,10,10.5,11/0.426001.54.0
S11-M-2502504006,6.3,10,10.5,11/0.430501.44.0
S11-M-3153154806,6.3,10,10.5,11/0.436501.44.0
S11-M-4004005706,6.3,10,10.5,11/0.443001.34.0
S11-M-5005006806,6.3,10,10.5,11/0.451001.24.0
S11-M-6306308106,6.3,10,10.5,11/0.462001.14.5
S11-M-8008009806,6.3,10,10.5,11/0.475001.04.5
S11-M-1000100011506,6.3,10,10.5,11/0.4103001.04.5
S11-M-1250125013606,6.3,10,10.5,11/0.4128000.94.5
S11-M-1600160016406,6.3,10,10.5,11/0.4145000.84.5
S11-M-2000200022806,6.3,10,10.5,11/0.4178200.65.0
S11-M-2500250027006,6.3,10,10.5,11/0.4207000.65.0
S11-M-30-309020,22/0.46602.15.5
S11-M-50-5013020,22/0.496025.5
S11-M-63-6315020,22/0.411451.95.5
S11-M-80-8018020,22/0.413701.85.5
S11-M-100-10020020,22/0.416501.65.5
S11-M-125-12524020,22/0.419801.55.5
S11-M-160-16029020,22/0.424201.45.5
S11-M-200-20033020,22/0.428601.35.5
S11-M-250-25040020,22/0.433501.25.5
S11-M-315-31548020,22/0.440101.15.5
S11-M-400-40057020,22/0.4473015.5
S11-M-50050068020,22/0.4566015.5
S11-M-63063081020,22/0.468200.96
S11-M-80080098020,22/0.482501.86
S11-M-10001000115020,22/0.4113300.76
S11-M-12501250135020,22/0.4132000.76
S11-M-16001600163020,22/0.4159500.66

The high quality of 3 phase transformers produced by Chinese makers is attributed to their use of premium materials and innovative manufacturing techniques. These companies often invest heavily in research and development to ensure their products are at the forefront of technology. As a result, customers can expect long-lasting performance and minimal maintenance needs over the life of the transformer.

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Advantages of Choosing Chinese Manufacturers

Selecting a transformer from a reputable Chinese manufacturer offers several advantages, particularly concerning cost-effectiveness and accessibility. Chinese companies often provide competitive pricing without compromising on quality, making it easier for businesses to invest in reliable power solutions. Moreover, the growing reputation of these manufacturers in the global market speaks volumes about their commitment to excellence.

Additionally, Chinese makers of ONAN and 3 phase transformers typically offer a wide range of products tailored to various industrial needs. This diversity allows customers to find the perfect solution for their unique requirements, whether for large-scale operations or smaller installations. With the right supplier, businesses can ensure they receive not only high-quality transformers but also exceptional customer service and support.