The S13-M Fully Sealed Oil Immersed Transformer represents an advanced generation of transformers engineered with cutting-edge technology, robust construction, and high-quality materials, ensuring exceptional performance and long-lasting reliability in power distribution applications. This transformer series is specifically designed to meet the evolving needs of modern power grids, commercial facilities, industrial complexes, and renewable energy systems.
Reliable Structure
The S13-M series transformer features several innovative enhancements and improvements based on traditional transformer designs and mature technology, significantly boosting performance and operational reliability:
- Optimized Coil Design: Utilizes spiral coils integrated with longitudinal oil channels that facilitate superior internal heat dissipation, significantly enhancing thermal performance and prolonging the transformer’s lifespan.
- Enhanced Coil Support: The improved coil-end support structure provides increased resistance to mechanical stress caused by short-circuit currents, ensuring transformer safety and reliability during fault conditions.
- Advanced Transport Design: New lifting and positioning structures are implemented to ensure secure and reliable transport and installation, minimizing risks during long-distance transit and site operations.
- Specialized Structural Innovations: Unique design features and proprietary structural solutions are integrated to deliver transformers of unparalleled quality and reliability.
- High-Performance Selection: The transformers incorporate advanced, high-performance materials and technologies, ensuring they operate efficiently and reliably in diverse environmental conditions.
Premium Quality Materials
The excellence of the S13-M transformer is underpinned by the use of superior-grade materials meticulously chosen to improve transformer performance and reliability:
- Oxygen-Free Copper Wire: Specially treated, oxygen-free copper wire is employed to reduce resistivity, thus minimizing load losses and enhancing electrical performance stability.
- High-Quality Silicon Steel: Premium silicon steel sheets significantly decrease the transformer’s no-load losses, thereby maximizing operational efficiency.
- Robust Insulation Components: Laminated wood insulating parts, carefully selected for their resilience, maintain structural integrity even under severe short-circuit conditions.
- Purified Transformer Oil: The transformer oil undergoes deep filtration to eliminate impurities, moisture, and gas content, markedly improving insulation effectiveness and operational reliability.
- Durable Sealing Materials: High-quality rubber sealing components effectively guard against aging and leakage, ensuring maintenance-free operation and prolonging transformer life.
Each raw material utilized undergoes rigorous quality control inspections, and all suppliers strictly adhere to the ISO9000 national quality standards.
Type Designation
| Model | Explanation |
|---|---|
| S | Three-phase |
| 13 | Loss level code |
| M | Fully sealed |
| □ | Rated capacity (KVA) |
| 10 | Vysoká napětí side voltage level (KV) |
Technical Parameters
S13-M Type 6~10 kV Performance Parameters
| Rated capacity (KVA) | High voltage (KV) | High voltage tap range (%) | Low voltage (KV) | Connection | No-load loss (W) | Load loss (W) | No-load current (%) | Short circuit impedance (%) |
| 30-2500 | 6 / 6.3 / 6.6 / 10 / 10.5 / 11 | ±5% / ±2×2.5% | 0.4 | Dyn11, Yzn11, Yyn0 | 80-1830 | 630-21200 | 1.8-0.4 | 4-5 |
S13-M Type 20 kV Performance Parameters
| Rated capacity (KVA) | High voltage (KV) | High voltage tap range (%) | Low voltage (KV) | Connection | No-load loss (W) | Load loss (W) | No-load current (%) | Short circuit impedance (%) |
| 50-2500 | 20 / 22 / 24 | ±5% / ±2×2.5% | 0.4 | Dyn11, Yyn0, Yzn11 | 100-1830 | 1270-22220 | 2.0-0.5 | 5.5-6 |
S13-M Type 35 kV Performance Parameters
| Rated capacity (KVA) | High voltage (KV) | High voltage tap range (%) | Low voltage (KV) | Connection | No-load loss (W) | Load loss (W) | No-load current (%) | Short circuit impedance (%) |
| 50-2500 | 35 / 38.5 | ±5% / ±2×2.5% | 0.4 | Dyn11, Yyn0 | 170-1890 | 1270-23200 | 2.0-0.75 | 6.5 |
Application Scenarios
The S13-M Fully Sealed Oil Immersed Power Transformer is suitable for a variety of applications including urban and rural electric power grids, commercial complexes, manufacturing facilities, infrastructure projects, renewable energy installations, and industrial parks. Its high efficiency and reliability make it an essential component for modern power systems requiring stable and uninterrupted power delivery.
Operating Voltage
These transformers are designed to operate effectively at various voltage levels, specifically 6kV, 10kV, 20kV, and 35kV, ensuring versatile application across different distribution networks and systems.
Zhengxi’s S13-M series transformers embody a fusion of advanced engineering, high-quality materials, and meticulous craftsmanship. With robust design features ensuring resilience and operational excellence, they stand as an ideal choice for entities prioritizing efficiency, reliability, and long-term performance in power distribution and transmission infrastructure. This makes the S13-M transformer series not only an essential component but also a strategic investment for enhancing grid stability and efficiency.
