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Understanding Oil Immersed Transformers
Oil immersed transformers are crucial components in the power distribution system. These transformers use oil as both an insulating and cooling medium, ensuring efficient operation under high loads. The design typically includes a robust tank that holds the insulating oil, which surrounds the core and windings. This setup enables better heat dissipation, thereby enhancing the transformer’s performance and longevity.
One of the primary advantages of oil immersed transformers is their ability to handle high capacities. They are commonly used in industrial applications where large amounts of electrical power are required. The oil not only provides insulation but also helps in minimizing the risk of overheating, making them suitable for continuous operation in demanding environments.
5000 kVA Transformer Specifications
A 5000 kVA transformer is designed to efficiently manage substantial electrical loads, making it ideal for commercial and industrial settings. This type of transformer can support various applications, from manufacturing plants to large office buildings. Its capacity allows it to step down high voltage levels to more manageable voltages suitable for end users.
When selecting a 5000 kVA transformer, it’s essential to consider factors such as efficiency, losses, and environmental impact. Many modern transformers are engineered to minimize energy losses, thereby improving overall efficiency. Additionally, manufacturers often offer customizable options to meet specific operational needs, ensuring a perfect fit for any project.
| Type | Rated capacity （KVA） | Voltage combination（KV） | Off-load losses（W） | Load losses（W） | Off-load current （%） | Short-circuit impedance （%） |
| SC12-30 | 30 | 6,6.3,6.6,10,11/0.4 | 150 | 710 | 2.0 | 4.0 |
| SC12-50 | 50 | 6,6.3,6.6,10,11/0.4 | 215 | 1000 | 2.0 | 4.0 |
| SC12-80 | 80 | 6,6.3,6.6,10,11/0.4 | 295 | 1380 | 1.5 | 4.0 |
| SC12-100 | 100 | 6,6.3,6.6,10,11/0.4 | 320 | 1570 | 1.5 | 4.0 |
| SC12-125 | 125 | 6,6.3,6.6,10,11/0.4 | 375 | 1850 | 1.3 | 4.0 |
| SCB12-160 | 160 | 6,6.3,6.6,10,11/0.4 | 430 | 2130 | 1.3 | 4.0 |
| SCB12-200 | 200 | 6,6.3,6.6,10,11/0.4 | 495 | 2530 | 1.1 | 4.0 |
| SCB12-250 | 250 | 6,6.3,6.6,10,11/0.4 | 575 | 2760 | 1.1 | 4.0 |
| SCB12-315 | 315 | 6,6.3,6.6,10,11/0.4 | 705 | 3470 | 1.0 | 4.0 |
| SCB12-400 | 400 | 6,6.3,6.6,10,11/0.4 | 785 | 3990 | 1.0 | 4.0 |
| SCB12-500 | 500 | 6,6.3,6.6,10,11/0.4 | 930 | 4880 | 1.0 | 4.0 |
| SCB12-630 | 630 | 6,6.3,6.6,10,11/0.4 | 1070 | 5880 | 0.85 | 4.0 |
| SCB12-630 | 630 | 6,6.3,6.6,10,11/0.4 | 1040 | 5960 | 0.85 | 6.0 |
| SCB12-800 | 800 | 6,6.3,6.6,10,11/0.4 | 1210 | 6960 | 0.85 | 6.0 |
| SCB12-1000 | 1000 | 6,6.3,6.6,10,11/0.4 | 1410 | 8130 | 0.85 | 6.0 |
| SCB12-1250 | 1250 | 6,6.3,6.6,10,11/0.4 | 1670 | 9690 | 0.85 | 6.0 |
| SCB12-1600 | 1600 | 6,6.3,6.6,10,11/0.4 | 1960 | 11700 | 0.85 | 6.0 |
| SCB12-2000 | 2000 | 6,6.3,6.6,10,11/0.4 | 2440 | 14400 | 0.7 | 6.0 |
| SCB12-2500 | 2500 | 6,6.3,6.6,10,11/0.4 | 2880 | 17100 | 0.7 | 6.0 |
Choosing a Reliable Manufacturer in China
China has emerged as a significant player in the manufacturing of oil immersed transformers, offering a wide range of products at competitive prices. When looking for a reputable manufacturer, it is vital to evaluate their production standards, quality control processes, and customer reviews. A reliable manufacturer will adhere to international standards, ensuring that their transformers are safe and efficient.
Another critical aspect to consider is the warranty period offered by the manufacturer. A long warranty period indicates the manufacturer’s confidence in their product quality. Many Chinese manufacturers provide extended warranties on their oil immersed transformers, which can range from five years to over ten years, depending on the model. This long warranty period is a testament to the durability and reliability of these transformers.
