Table of Contents
Understanding Oil Immersed Transformers
Oil immersed transformers are critical components in the electrical distribution network, offering efficient performance and durability. These transformers use mineral oil as an insulating and cooling medium, allowing them to handle higher voltage levels without overheating. The oil not only serves to cool the core and windings but also provides excellent electrical insulation, which is essential for safe operation.
The design of oil immersed transformers allows for effective heat dissipation, making them suitable for various applications, including industrial settings and power stations. Their robust construction ensures reliability even under extreme conditions, contributing to their popularity among electric utilities. With a variety of ratings available, a 160 kVA transformer is often ideal for medium-sized installations requiring stable and efficient power supply.
Choosing a Reliable China Supplier
When searching for a reliable supplier for oil immersed transformers, particularly in China, it is crucial to evaluate their reputation and product quality. Many manufacturers offer competitive prices, but quality should never be compromised. A reliable supplier will provide thorough documentation, including certification of compliance with international standards, ensuring that the transformers meet safety and performance requirements.
Moreover, it is beneficial to choose a supplier that specializes in customized solutions. Different projects may have unique needs, and a good supplier will work closely with clients to deliver tailored products. By selecting a reputable manufacturer, you not only ensure high-quality products but also gain access to expert support throughout the purchasing process.
| Type | Rated capacity (KVA) | Voltage combination(KV) | No-load losses(W) | Load losses(W) | No-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 |
Importance of Long Warranty Periods

A long warranty period is a significant factor when investing in an oil immersed transformer. It reflects the manufacturer’s confidence in their product’s durability and performance. Typically, a warranty period of five years or more is considered favorable, offering peace of mind to end-users. This assurance can reduce long-term maintenance costs and downtime, as any manufacturing defects or issues can be addressed without incurring additional expenses.
Having a solid warranty also indicates the supplier’s commitment to customer satisfaction. Manufacturers that stand behind their products are more likely to provide excellent after-sales support, which is vital for troubleshooting and repairs. When considering a purchase, it is essential to ask about the terms of the warranty and what it covers to ensure you are fully protected against potential failures.

