CEEG Hydrogen Energy Oil-Immersed Rectifier Transformer

Designed for hydrogen production processes, this high-reliability rectifier transformer supports 24/36/48-pulse configurations (expandable up to 96-pulse). It adopts high-temperature-resistant hybrid insulation and advanced thermal design, enabling stable operation under high overload conditions. Engineered for medium to large-scale hydrogen production systems, it provides a reliable and efficient front-end power supply for rectification units.

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Scope of application

Large-Scale Hydrogen Production

Designed for medium to large electrolysis systems, with strong overload capacity and stable power output.

Renewable Hydrogen Projects

Ideal for wind and solar-based hydrogen production, ensuring reliable long-term continuous operation.

Chemical Industrial Parks

Supports integrated hydrogen production and utilization, with a focus on safety and easy operation & maintenance integration.

Product Description

1 High-Temperature Insulation System: Hybrid insulation combining Class C, B, and A materials ensures reliable insulation performance under high-temperature operating conditions.

2 DuPont Nomex® Insulation: Uses globally recognized DuPont Nomex® material, offering exceptional heat resistance (up to 750°C), flame retardancy, and long-term reliability.

3 7-Level Thermal Control: Comprehensive temperature management covering insulation, oil flow, overload, core, sealing, components, and short-circuit conditions for enhanced operational stability.

4 High Temperature & High Load Capability: Optimized for demanding hydrogen production environments, supporting continuous operation under high temperature and heavy load.

5 Eco-Friendly & Safe: Environmentally friendly materials with no harmful gas emissions and low smoke generation, ensuring safety for people and the environment.

6 Hydrogen-Specific Design: Tailored for hydrogen production systems, effectively solving thermal management challenges and delivering stable, efficient power support.

Product Features

Superior High-Temperature Performance

Built on DuPont Nomex® insulation and 7-level thermal control technology, delivering industry-leading heat resistance for high-load operation.

Maintenance-Free Design

Advanced thermal management and high-quality components ensure synchronized equipment lifespan, enabling up to 30 years of maintenance-free operation.

Leak-Free Assurance

Premium acrylic sealing materials combined with fluorescent inspection and positive/negative pressure leak tests ensure zero leakage during operation.

High Overload Capacity

Compared with conventional transformers, load capacity is increased by approximately 20%, supporting more demanding operating conditions.

Ultra-Low Noise

Operating noise is 3–10 dB lower than national standards, making it ideal for noise-sensitive environments.

Comprehensive Product Range

Covers all types of rectifier transformers for hydrogen production, meeting diverse application requirements.

Main Parameters

Rated Capacity	500kVA - 10,000kVA
Rated Voltage	Primary side 35 kV / 10 kV
Insulation Class	Class C, Class B, Class A
Temperature Rise Limits	Oil temperature ≤ 60K, winding temperature rise ≤ 65K
Cooling Method	OFAF (Forced Oil Circulation Air Cooling) / ONAN (Oil Natural Air Natural)

Implementation Standard

GB/T 1094.1-2013 Power Transformers – Part 1: General Requirements

GB/T 6451-2015 Technical Parameters and Requirements for Three-Phase Oil-Immersed Power Transformers

IEC 60076 系列 International Standards for Power Transformers

GB 2536-2011 Transformer Oil Standards

GB/T 15164-2022 Loading Guide for Oil-Immersed Power Transformers

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.