Understanding Electrical Transformers

Electrical transformers play a crucial role in the distribution and regulation of electrical energy. These devices enable the transmission of electricity across long distances by stepping up or stepping down voltage levels. In essence, transformers alter the voltage while keeping the power constant, which is vital for minimizing energy loss during transmission.

In particular, three-phase transformers are widely used in industrial applications due to their efficiency and ability to handle larger loads compared to single-phase transformers. They consist of three sets of windings and are capable of delivering high power with minimal losses, making them an essential component in power generation and distribution networks.

The Role of Chinese Enterprises in Transformer Production

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China has emerged as a global leader in the production of electrical transformers, leveraging its vast manufacturing capabilities and technological advancements. Numerous enterprises in China specialize in designing and manufacturing various types of transformers, including three-phase models. This has led to a significant increase in the availability of transformers at competitive prices in the international market.

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modelRated capacity (KVA)Voltage combination(KV)Off-load losses(W)Load losses(W)Off-load current (%)Short-circuit impedance (%)
SC10-80080033,35,38/6,6.3,6.6,10,11220094001.16.0
SC10-10001000Voltage combination(KV)2610108001.16.0
SC10-125012506,6.3,6.6,10,11/0.43060119001.06.0
SC10-15001500Voltage combination(KV)3600154001.06.0
SC10-200020006,6.3,6.6,10,11/0.44130182000.97.0
SC10-25002500Voltage combination(KV)4750218000.97.0
SC10-315031506,6.3,6.6,10,11/0.45880245000.88.0
SC10-40004000Voltage combination(KV)6860294000.88.0
SC10-500050006,6.3,6.6,10,11/0.48180349600.78.0
SC10-63006300Voltage combination(KV)9680408000.78.0
SC10-800080006,6.3,6.6,10,11/0.411000460600.69.0
SC10-1000010000Voltage combination(KV)12660565000.69.0
SC10-12500125006,6.3,6.6,10,11/0.415400646000.59.0
SC10-1600016000Voltage combination(KV)18900760000.59.0
SC10-20000200006,6.3,6.6,10,11/0.422400855000.410.0

Chinese companies focus on innovation and quality, often implementing strict quality control measures to ensure that their products meet international standards. As a result, many of these enterprises have built a strong reputation for reliability and performance, attracting clients worldwide who seek durable electrical solutions.

Long Warranty Periods: A Sign of Quality Assurance

One of the distinguishing features of many Chinese transformer manufacturers is their commitment to providing long warranty periods for their products. A longer warranty serves as a testament to the confidence these companies have in the durability and reliability of their transformers. By offering extended warranties, they not only enhance customer satisfaction but also encourage potential buyers to invest in their products.

modelRated power (KVA)Voltage combination(KV)Off-load losses(W)Load losses(W)Off-load Current (%)Short-circuit impedance (%)
SH15-M-30306,6.3,10,10.5,11/0.4336301.504.0
SH15-M-50506,6.3,10,10.5,11/0.4439101.204.0
SH15-M-63636,6.3,10,10.5,11/0.45010901.104.0
SH15-M-80806,6.3,10,10.5,11/0.46013101.004.0
SH15-M-1001006,6.3,10,10.5,11/0.47515800.904.0
SH15-M-1251256,6.3,10,10.5,11/0.48518900.804.0
SH15-M-1601606,6.3,10,10.5,11/0.410023100.604.0
SH15-M-2002006,6.3,10,10.5,11/0.412027300.604.0
SH15-M-2502506,6.3,10,10.5,11/0.414032000.604.0
SH15-M-3153156,6.3,10,10.5,11/0.417038300.504.0
SH15-M-4004006,6.3,10,10.5,11/0.420045200.504.0
SH15-M-5005006,6.3,10,10.5,11/0.424051400.504.0
SH15-M-6306306,6.3,10,10.5,11/0.432062000.304.5
SH15-M-8008006,6.3,10,10.5,11/0.438075000.304.5
SH15-M-100010006,6.3,10,10.5,11/0.4450103000.304.5
SH15-M-125012506,6.3,10,10.5,11/0.4530120000.204.5
SH15-M-160016006,6.3,10,10.5,11/0.4630145000.204.5
SH15-M-200020006,6.3,10,10.5,11/0.4750183000.205.0
SH15-M-250025006,6.3,10,10.5,11/0.4900212000.205.0

These long warranty periods can cover various aspects of the transformers, including parts and labor, which further assures customers of the manufacturer’s commitment to quality. Many enterprises in China recognize that such guarantees can be a decisive factor for businesses looking to purchase electrical transformers, especially in sectors where downtime can lead to significant financial losses.