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Understanding Electrical Transformers
Electrical transformers are essential devices used in power transmission and distribution systems. They work on the principle of electromagnetic induction to convert voltage levels from one value to another, making them crucial for efficient energy transfer. A transformer can either step up or step down voltage, depending on its design and application requirements. This functionality is vital for minimizing energy loss over long distances.
In industrial applications, transformers help maintain the stability and efficiency of electrical systems. For instance, a 3 phase transformer is commonly used in large-scale power systems to balance load and improve overall performance. These transformers ensure that electrical energy can be effectively utilized across various sectors, from manufacturing to residential use.

The Role of 3 Phase Transformers
Three-phase transformers are specifically designed to handle three-phase electrical systems, which are prevalent in industrial settings. They offer advantages such as reduced losses, increased efficiency, and improved load balancing compared to single-phase transformers. This makes them ideal for heavy machinery and large facilities that require a stable power supply.
Moreover, the design of a 3 phase transformer allows for a more compact and cost-effective solution when compared to multiple single-phase transformers. In many cases, industries prefer these transformers due to their higher price ratio, which translates into better performance and lower operational costs over time.
Sourcing Transformers from Chinese Factories
China has emerged as a global leader in manufacturing electrical transformers, including high-quality 3 phase transformers. Many factories in China specialize in the production of these devices, offering a wide range of specifications to meet diverse customer needs. This scalability allows businesses to find solutions that align perfectly with their operational requirements.
When sourcing transformers from Chinese suppliers, it is essential to consider factors such as quality assurance, pricing, and delivery times. Many manufacturers provide comprehensive video demonstrations of their products, showcasing their features and capabilities. These videos can be invaluable for potential buyers seeking to make informed decisions, especially when looking for the best price-to-quality ratio.
| Type | Rated capacity (KVA) | No-load losses(W) | Voltage combination (KV) | Load losses(W) | No-load current (%) | Short-circuit impedance (%) |
| S11-M-30 | 30 | 100 | 6,6.3,10,10.5,11/0.4 | 600 | 2.3 | 4.0 |
| S11-M-50 | 50 | 130 | 6,6.3,10,10.5,11/0.4 | 870 | 2.0 | 4.0 |
| S11-M-63 | 63 | 150 | 6,6.3,10,10.5,11/0.4 | 1040 | 1.9 | 4.0 |
| S11-M-80 | 80 | 180 | 6,6.3,10,10.5,11/0.4 | 1250 | 1.9 | 4.0 |
| S11-M-100 | 100 | 200 | 6,6.3,10,10.5,11/0.4 | 1500 | 1.8 | 4.0 |
| S11-M-125 | 125 | 240 | 6,6.3,10,10.5,11/0.4 | 1800 | 1.7 | 4.0 |
| S11-M-160 | 160 | 280 | 6,6.3,10,10.5,11/0.4 | 2200 | 1.6 | 4.0 |
| S11-M-200 | 200 | 340 | 6,6.3,10,10.5,11/0.4 | 2600 | 1.5 | 4.0 |
| S11-M-250 | 250 | 400 | 6,6.3,10,10.5,11/0.4 | 3050 | 1.4 | 4.0 |
| S11-M-315 | 315 | 480 | 6,6.3,10,10.5,11/0.4 | 3650 | 1.4 | 4.0 |
| S11-M-400 | 400 | 570 | 6,6.3,10,10.5,11/0.4 | 4300 | 1.3 | 4.0 |
| S11-M-500 | 500 | 680 | 6,6.3,10,10.5,11/0.4 | 5100 | 1.2 | 4.0 |
| S11-M-630 | 630 | 810 | 6,6.3,10,10.5,11/0.4 | 6200 | 1.1 | 4.5 |
| S11-M-800 | 800 | 980 | 6,6.3,10,10.5,11/0.4 | 7500 | 1.0 | 4.5 |
| S11-M-1000 | 1000 | 1150 | 6,6.3,10,10.5,11/0.4 | 10300 | 1.0 | 4.5 |
| S11-M-1250 | 1250 | 1360 | 6,6.3,10,10.5,11/0.4 | 12800 | 0.9 | 4.5 |
| S11-M-1600 | 1600 | 1640 | 6,6.3,10,10.5,11/0.4 | 14500 | 0.8 | 4.5 |
| S11-M-2000 | 2000 | 2280 | 6,6.3,10,10.5,11/0.4 | 17820 | 0.6 | 5.0 |
| S11-M-2500 | 2500 | 2700 | 6,6.3,10,10.5,11/0.4 | 20700 | 0.6 | 5.0 |
| S11-M-30- | 30 | 90 | 20,22/0.4 | 660 | 2.1 | 5.5 |
| S11-M-50- | 50 | 130 | 20,22/0.4 | 960 | 2 | 5.5 |
| S11-M-63- | 63 | 150 | 20,22/0.4 | 1145 | 1.9 | 5.5 |
| S11-M-80- | 80 | 180 | 20,22/0.4 | 1370 | 1.8 | 5.5 |
| S11-M-100- | 100 | 200 | 20,22/0.4 | 1650 | 1.6 | 5.5 |
| S11-M-125- | 125 | 240 | 20,22/0.4 | 1980 | 1.5 | 5.5 |
| S11-M-160- | 160 | 290 | 20,22/0.4 | 2420 | 1.4 | 5.5 |
| S11-M-200- | 200 | 330 | 20,22/0.4 | 2860 | 1.3 | 5.5 |
| S11-M-250- | 250 | 400 | 20,22/0.4 | 3350 | 1.2 | 5.5 |
| S11-M-315- | 315 | 480 | 20,22/0.4 | 4010 | 1.1 | 5.5 |
| S11-M-400- | 400 | 570 | 20,22/0.4 | 4730 | 1 | 5.5 |
| S11-M-500 | 500 | 680 | 20,22/0.4 | 5660 | 1 | 5.5 |
| S11-M-630 | 630 | 810 | 20,22/0.4 | 6820 | 0.9 | 6 |
| S11-M-800 | 800 | 980 | 20,22/0.4 | 8250 | 1.8 | 6 |
| S11-M-1000 | 1000 | 1150 | 20,22/0.4 | 11330 | 0.7 | 6 |
| S11-M-1250 | 1250 | 1350 | 20,22/0.4 | 13200 | 0.7 | 6 |
| S11-M-1600 | 1600 | 1630 | 20,22/0.4 | 15950 | 0.6 | 6 |

