Dry-Type Rectifier Transformer

A dry-type rectifier transformer is used in DC power supply systems such as electrolysis and electroplating. It provides stable output, strong resistance to impact loads, and controllable temperature rise. It supports phase-shifting and multi-winding customization, helping to suppress harmonics, optimize ripple performance, and improve the operational reliability of rectifier systems.

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Scope of application

Non-Ferrous Metallurgy

Electrolytic aluminum and copper production, focusing on short-term overload capability and impact resistance.

Chlor-Alkali Industry

Front-end rectifier power supply systems, emphasizing continuous operation and electrical isolation.

Electrolytic Hydrogen Production

Electrochemical process power systems, with a focus on fluctuation control and operational reliability.

Product Description

1 Rectification Function：The rectifier system converts AC power into stable DC power, ensuring efficient and reliable operation in electrolysis, chemical reactions, and other industrial electrochemical processes. It is a critical core component in industrial DC power supply applications.

2 Electrochemical Industry Applications：It is widely used in non-ferrous metal electrolysis processes such as aluminum, copper, and magnesium production, as well as chlor-alkali chemical manufacturing and water electrolysis. The system meets the strict requirements for high efficiency, stability, and continuous operation across different industrial sectors.

3 Hydrogen Production Applications：By integrating renewable energy sources such as solar and wind power with rectifier systems and water electrolysis technology, high-purity hydrogen and oxygen can be produced efficiently. This solution provides strong technical support for the global hydrogen energy industry and contributes to the transition toward green and low-carbon energy systems.

4 Environmental Protection & Energy Efficiency：The high-efficiency rectifier system significantly reduces energy losses and improves overall system efficiency. It aligns with global sustainability goals, supporting carbon neutrality and the development of clean energy infrastructure.

5 Wide Applicability：This technology is suitable for a wide range of industrial scenarios, particularly in electrochemical, power, and hydrogen energy sectors. It supports large-scale, continuous, and stable production processes, making it a reliable solution for modern industrial energy systems.

Product Features

Safety & Reliability

The transformer adopts a vacuum epoxy resin casting process using non-toxic and flame-retardant materials. It features high mechanical strength, excellent fire resistance, and zero pollution, ensuring safe and reliable operation in demanding industrial environments.

Easy Installation

The unit is delivered as a complete system and can be put into operation directly upon arrival. Its simple and efficient installation process significantly reduces construction time, on-site workload, and overall project complexity.

Low Noise Operation

The noise level is 3–5 dB lower than national standards, effectively reducing environmental noise impact and improving operational comfort, especially in indoor and urban installations.

High Overload Capacity

With Class H insulation (thermal resistance up to 180°C), the transformer is designed for excellent thermal performance. It can withstand overloads of up to 200%, ensuring stable operation under high-load and fluctuating working conditions.

Cost and Space Efficiency

The transformer can be integrated with rectifier systems, eliminating the need for a separate power distribution room. This integrated design helps save installation space and reduces both initial investment and overall project costs.

Harmonic Resistance

Specially designed for rectifier loads, the transformer effectively withstands harmonic distortion and current pulsations, ensuring stable and reliable performance in power electronic and electrochemical applications.

Main Parameters

Rated Capacity	kVA / MVA
Rated Voltage	Primary and secondary voltage levels can be customized based on system design and application requirements.
Overload Capacity	Typically up to 200% of the rated capacity, ensuring stable performance under high-load and short-term overload conditions.
Losses	Includes no-load losses and load losses, optimized for high efficiency and reduced energy consumption.
Operating Temperature Range	-5°C to +40°C

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

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.