The S Series 35kV Power Transformer is designed to meet the requirements of high efficiency, energy saving, low noise, and high reliability. It is widely used in urban and rural distribution networks, industrial parks, and various high-load operating environments.
Built with advanced technology and high-quality materials, this series of transformers delivers excellent electrical performance, strong operational stability, and long service life, making it a reliable solution for modern power distribution systems.
Used as key equipment in regional substations, with a strong focus on low energy loss and low noise operation to meet public distribution network requirements.
Industrial Parks
Serves as the main power supply equipment in load centers, emphasizing high short-circuit resistance and long-term operational reliability for industrial demand.
Energy Centers
Ideal for integrated energy stations in industrial parks and commercial zones, focusing on high efficiency, simplified operation, and improved maintenance convenience.
Product Description
1
Strong Overload Capability：High thermal margin design enables stable long-term operation under high-temperature and high-load conditions, making it suitable for demanding applications.
2
Durable Exterior Design：After rust removal and polishing treatment, the surface is finished with electrostatic powder coating. Combined with wide-fin radiators, the coating offers excellent weather resistance and color stability.
3
Reliable Sealing Performance：Acrylate sealing components are molded in a single process. Each unit undergoes both positive and negative pressure leak testing before delivery, effectively reducing the risk of oil leakage.
4
Safe & Environmentally Friendly Design：Materials and manufacturing processes comply with environmental and safety standards. The transformer produces low smoke and low corrosive emissions, ensuring greater environmental compatibility.
Product Features
Low-Loss Design
The S Series adopts a new core material and optimized winding structure, reducing no-load losses by over 20% and load losses by more than 10% compared with conventional transformers, significantly improving overall energy efficiency.
Low Noise Operation
High-quality silicon steel and optimized magnetic circuit design effectively reduce noise levels, meeting modern environmental requirements for urban and residential areas.
Eco-Friendly & Energy Efficient
Uses non-polluting, recyclable insulating oil. All materials are designed for recyclability. With excellent sealing performance and no leakage risk, the transformer is maintenance-free and environmentally friendly.
High Reliability
The winding and core structure are carefully engineered to provide strong short-circuit resistance. Premium insulation materials and high-temperature transformer oil ensure safe operation and extended service life.
Reinforced winding structure and improved manufacturing processes enable the transformer to withstand short-circuit impacts, ensuring stable and secure operation.
Main Parameters
Voltage Rating
High voltage side 35kV / Low voltage side 0.4kV
Capacity Range
30 kVA – 3150 kVA
Cooling Method
Oil-immersed self-cooling (ONAN)
Vector Group
Dyn11 or Yyn0
Implementation Standard
GB 1094Power transformers
GB/T 6451Technical specifications and requirements for oil-immersed power transformers
GB/T 10228 Technical specifications and requirements for power transformers
IEC 60076Power transformers
IEC 60354Transformer load guide
Technical Advantages
R&D Cloud Platform
An integrated digital platform combining electromagnetic optimization design, parametric modeling, performance analysis, structural optimization, and automatic drawing generation. It enables transformer design resource sharing and efficient data management, including search, modification, and version control.
Simulation Analysis
Comprehensive multi-physics simulation covering fluid flow, thermal field, electric field, leakage magnetic field, transient processes, and short-circuit forces. Each transformer series is optimized through thermal and flow analysis to accurately control winding temperature rise and hotspot distribution, ensuring reliable and stable performance.
Smart Operation & Maintenance Platform
By collecting key data such as temperature, current, voltage, vibration, and grid harmonics, the system enables real-time power quality analysis and fault alarms. It also supports mobile access for remote monitoring and intelligent O&M management.
