S Series 35kV Power Transformer | CEEG Transformer

Certification

CNAS

ISO

KEMA

TUV

CEEG S Series 35kV Power Transformer

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.

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CEEG S Series 35kV Power Transformer - High Efficiency Oil-Immersed Transformer for Utility Substations

CEEG S Series 35kV Power Transformer - High Efficiency Oil-Immersed Transformer for Utility Substations

CEEG S Series 35kV Power Transformer - High Efficiency Oil-Immersed Transformer for Utility Substations

CEEG S Series 35kV Power Transformer - High Efficiency Oil-Immersed Transformer for Utility Substations

CEEG S Series 35kV Power Transformer - High Efficiency Oil-Immersed Transformer for Utility Substations

CEEG S Series 35kV Power Transformer - High Efficiency Oil-Immersed Transformer for Utility Substations

Scope of application

Urban & Rural Power Distribution

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.

Urban & Rural Power Distribution

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.

Industrial Parks

Energy Centers

Ideal for integrated energy stations in industrial parks and commercial zones, focusing on high efficiency, simplified operation, and improved maintenance convenience.

Energy Centers

Product Description

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.

CEEG S Series 35kV Power Transformer

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.

CEEG S Series 35kV Power Transformer

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.

CEEG S Series 35kV Power Transformer

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.

CEEG S Series 35kV Power Transformer

Product Features

Low-Loss Design

Advanced Material & Structure Efficiency: Adopts a new core material and optimized winding structure to reduce no-load losses by over 20% and load losses by more than 10% compared with conventional transformers.
Significant Energy Savings: Substantially improves overall energy efficiency to optimize operational performance.

Low Noise Operation

Acoustic Optimization: Utilizes high-quality silicon steel and an optimized magnetic circuit design to effectively reduce noise levels.
Modern Environmental Compliance: Meets stringent modern environmental requirements, making it perfectly suited for urban and residential areas.

High Reliability

Engineered Short-Circuit Resistance: Features a carefully designed winding and core structure engineered to provide strong short-circuit resistance.
Safe & Extended Service Life: Incorporates premium insulation materials and high-temperature transformer oil to ensure safe operation and an extended service life.

Eco-Friendly & Energy Efficient

Eco-Friendly & Recyclable Composition: Uses non-polluting, recyclable insulating oil, with all structural materials fully designed for recyclability.
Leak-Proof & Maintenance-Free: Features excellent sealing performance to eliminate leakage risks, delivering a completely maintenance-free and environmentally friendly operation.

Leak-Proof Sealing Design

Enhanced Leak Protection: Features an optimized tank sealing structure that provides superior anti-leakage performance.
Reliable Outdoor Operation: Engineered to ensure dependable, long-term operation in outdoor environments.

Strong Short-Circuit Withstand Capability

Robust Short-Circuit Resistance: Features a reinforced winding structure and improved manufacturing processes that enable the transformer to withstand short-circuit impacts.
Stable & Secure Operation: Engineered to ensure highly dependable, stable, and secure operation under demanding conditions.

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

Implementation Standard

GB 1094 Power transformers

GB/T 6451 Technical specifications and requirements for oil-immersed power transformers

GB/T 10228 Technical specifications and requirements for power transformers

IEC 60076 Power transformers

IEC 60354 Transformer load guide

Technical Advantages

R&D Cloud Platform

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

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

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.

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