S13 Series 10kV/0.4kV 50kVA-500kVA Oil-Immersed Transformer Overview The S13 series oil-immersed distribution transformer features a rated voltage of 10kV/0.4kV and a capacity range of 50kVA to 500kVA. It adopts a compact, corrosion-resistant structure with excellent adaptability, making it suitable for urban power grids, industrial zones and large building distribution systems, and ensuring easy installation and maintenance.
Equipped with S13 energy-saving core technology and new high-performance materials, the transformer achieves an energy conversion efficiency of over 98%. It effectively reduces no-load and load losses, lowers operational energy consumption, and its oil-immersed cooling design guarantees stable heat dissipation, supporting reliable operation in high-temperature environments.
Boasting national grid-certified quality and intelligent monitoring protection, the product delivers real-time operational status tracking and early warning capabilities. It provides safe, low-noise and highly efficient power distribution support, meeting modern environmental and safety standards for diverse power system applications.
| 型号 | 额定容量 | 联结组标号 | 电压组合（kV） | 空载损耗 （W） | DY负载损耗 （W） | YY负载损耗 （W） | 空载电流 （%） | 短路阻抗 （%） | ||
| 高压 | 分接范围 | 低压 | ||||||||
| S13-M-30 | 30 | Yyn0 或 Dyn11 | 10 6.3 6 | ±5% 或 ±2×2.5% | 0.4 | 80 | 630 | 600 | 1.5 | 4 |
| S13-M-50 | 50 | 100 | 910 | 870 | 1.3 | |||||
| S13-M-63 | 63 | 110 | 1090 | 1040 | 1.2 | |||||
| S13-M-80 | 80 | 130 | 1310 | 1250 | 1.2 | |||||
| S13-M-100 | 100 | 150 | 1580 | 1500 | 1.1 | |||||
| S13-M-125 | 125 | 170 | 1890 | 1800 | 1.1 | |||||
| S13-M-160 | 160 | 200 | 2310 | 2200 | 1 | |||||
| S13-M-200 | 200 | 240 | 2730 | 2600 | 1 | |||||
| S13-M-250 | 250 | 290 | 3200 | 3050 | 0.9 | |||||
| S13-M-315 | 315 | 340 | 3830 | 3650 | 0.9 | |||||
| S13-M-400 | 400 | 410 | 4520 | 4300 | 0.8 | |||||
| S13-M-500 | 500 | 480 | 5410 | 5150 | 0.8 | |||||
| S13-M-630 | 630 | 570 | 6200 | 0.6 | 4.5 | |||||
| S13-M-800 | 800 | 700 | 7500 | 0.6 | ||||||
| S13-M-1000 | 1000 | 830 | 10300 | 0.6 | ||||||
| S13-M-1250 | 1250 | 970 | 12000 | 0.5 | ||||||
| S13-M-1600 | 1600 | 1170 | 14500 | 0.5 | ||||||
| S13-M-2000 | 2000 | 1550 | 18300 | 0.4 | 5 | |||||
| S13-M-2500 | 2500 | 1830 | 21200 | 0.4 | ||||||
S13 series 10kV/0.4kV oil-immersed transformer adopts a fully sealed structure with standard ONAN cooling. It covers 50kVA-500kVA, with low temperature rise, strong overload capacity and stable operation for medium and low-voltage power grids.
S13 series transformer is designed and manufactured in strict accordance with IEC 60076, GB/T 1094 standards. Its high-grade insulation system meets relevant voltage withstand requirements, with excellent short-circuit withstand capability for reliable operation.
10kV/0.4kV Oil-Immersed Transformer uses high-quality transformer oil . Fully sealed and leak-proof, it has good fire safety and is suitable for outdoor and industrial long-term operation.
Adopting high-quality grain-oriented cold-rolled silicon steel sheets and oxygen-free copper conductors, it has low loss and noise. Designed service life is ≥30 years, with full type and routine tests before delivery to ensure quality.
Our factory has professional production and testing equipment for S13 series transformers, including automatic silicon steel sheet cutting/stacking line, vacuum drying/oil filling system, winding equipment, and full set of type/routine test devices, with strict quality control.
All S13 series transformers are manufactured and tested under strict quality control to meet relevant standards.
S13 series transformers’ standard lead time for 50kVA-500kVA is 15-30 days after deposit and technical confirmation, depending on order quantity and configuration.
Standard accessories :
Oil level indicator, thermometer, pressure relief device, lifting lugs, foundation bolts, nameplate, oil drain valve, etc.
Optional accessories:
Online oil temperature monitor, oil conservator, off-circuit tap changer, cable box, anti-seismic base, etc
Yes, Jinma electric support customized design and production according to customer requirements, such as:
Custom rated power, 10kV/0.4kV fine-tuning, vector group, impedance voltage, tapping range.
Custom vector group, impedance voltage, tapping range
Cooling mode adjustment, altitude adaptation, insulation level, and special dimension/material/structure requirements.
Special dimensions, color, material and structure requirements for specific installation scenarios.
50kVA-500kVA S13 transformer is transported as a whole by truck with shockproof fixing. It is easy to install, with detailed instructions; on-site guidance is available if needed.
