Table of Contents
Overview of Oil Immersed Transformers
Oil immersed transformers are widely used in electrical distribution systems due to their efficiency and reliability. These transformers utilize mineral oil as an insulating and cooling medium, allowing for better heat dissipation and enhanced performance. The oil acts as a barrier to moisture and contaminants, ensuring the longevity and stability of the transformer.
The 250 kVA transformer is a common choice for various applications, including industrial facilities, commercial buildings, and renewable energy projects. Its capacity makes it ideal for medium-sized power requirements, providing a balance between size and output. In China, many manufacturers specialize in producing high-quality oil immersed transformers that meet international standards while being cost-effective.
One notable feature of oil immersed transformers is their ability to handle short-circuit conditions. The design allows for greater fault tolerance, reducing the risk of damage during unexpected electrical surges. This aspect is particularly important for industries that require uninterrupted power supply, making these transformers a popular choice among engineers and project managers.
High Cost Performance of 250 kVA Transformers
When considering investment in electrical equipment, cost performance is a critical factor. The 250 kVA oil immersed transformer offers an excellent balance between initial investment and operational efficiency. Many Chinese companies have optimized their manufacturing processes to provide competitive pricing without compromising quality.
| Type | Rated capacity （KVA） | Voltage combination（KV） | No-load losses（W） | Load losses（W） | No-load Current (%) | Short-circuit impedance (%) |
| SH15-M-30 | 30 | 6,6.3,10,10.5,11/0.4 | 33 | 630 | 1.50 | 4.0 |
| SH15-M-50 | 50 | 6,6.3,10,10.5,11/0.4 | 43 | 910 | 1.20 | 4.0 |
| SH15-M-63 | 63 | 6,6.3,10,10.5,11/0.4 | 50 | 1090 | 1.10 | 4.0 |
| SH15-M-80 | 80 | 6,6.3,10,10.5,11/0.4 | 60 | 1310 | 1.00 | 4.0 |
| SH15-M-100 | 100 | 6,6.3,10,10.5,11/0.4 | 75 | 1580 | 0.90 | 4.0 |
| SH15-M-125 | 125 | 6,6.3,10,10.5,11/0.4 | 85 | 1890 | 0.80 | 4.0 |
| SH15-M-160 | 160 | 6,6.3,10,10.5,11/0.4 | 100 | 2310 | 0.60 | 4.0 |
| SH15-M-200 | 200 | 6,6.3,10,10.5,11/0.4 | 120 | 2730 | 0.60 | 4.0 |
| SH15-M-250 | 250 | 6,6.3,10,10.5,11/0.4 | 140 | 3200 | 0.60 | 4.0 |
| SH15-M-315 | 315 | 6,6.3,10,10.5,11/0.4 | 170 | 3830 | 0.50 | 4.0 |
| SH15-M-400 | 400 | 6,6.3,10,10.5,11/0.4 | 200 | 4520 | 0.50 | 4.0 |
| SH15-M-500 | 500 | 6,6.3,10,10.5,11/0.4 | 240 | 5140 | 0.50 | 4.0 |
| SH15-M-630 | 630 | 6,6.3,10,10.5,11/0.4 | 320 | 6200 | 0.30 | 4.5 |
| SH15-M-800 | 800 | 6,6.3,10,10.5,11/0.4 | 380 | 7500 | 0.30 | 4.5 |
| SH15-M-1000 | 1000 | 6,6.3,10,10.5,11/0.4 | 450 | 10300 | 0.30 | 4.5 |
| SH15-M-1250 | 1250 | 6,6.3,10,10.5,11/0.4 | 530 | 12000 | 0.20 | 4.5 |
| SH15-M-1600 | 1600 | 6,6.3,10,10.5,11/0.4 | 630 | 14500 | 0.20 | 4.5 |
| SH15-M-2000 | 2000 | 6,6.3,10,10.5,11/0.4 | 750 | 18300 | 0.20 | 5.0 |
| SH15-M-2500 | 2500 | 6,6.3,10,10.5,11/0.4 | 900 | 21200 | 0.20 | 5.0 |
The use of advanced materials and technology in the production of these transformers ensures that they operate efficiently over their lifespan. This efficiency translates to lower energy losses, which can significantly reduce operational costs. Additionally, the durability of these transformers means they often require less maintenance, further enhancing their cost performance.
Moreover, companies in China are increasingly focusing on sustainable practices. By utilizing environmentally friendly materials and designs, they not only comply with global standards but also appeal to a broader market. As a result, the 250 kVA oil immersed transformer emerges as a smart choice for businesses looking to maximize their return on investment while adhering to eco-friendly principles.
Leading Manufacturers in China
China is home to numerous reputable manufacturers specializing in oil immersed transformers. These companies have made significant investments in research and development, resulting in innovative products that cater to both domestic and international markets. Their commitment to quality assurance processes ensures that every transformer meets stringent safety and performance criteria.
Some manufacturers have established partnerships with global firms, allowing them to leverage advanced technologies and best practices from around the world. This collaboration has led to the production of transformers that not only perform well but are also competitively priced. As a result, buyers can find high-quality solutions that fit their budgetary constraints.
In addition to competitive pricing, many Chinese manufacturers offer customized solutions tailored to specific client needs. Whether it’s adjusting the specifications of a 250 kVA transformer or providing additional features, these companies are committed to delivering value. This adaptability, combined with high performance and low maintenance costs, makes oil immersed transformers from China a preferred choice for many industries.