Custom Industrial Transformer for AC-to-DC Rectifier Systems and High-Current DC Applications
Voltnex Power manufactures ZSG Series three phase dry type rectifier transformers for industrial AC-to-DC power conversion systems. The transformer is designed to work with rectifier equipment, transforming the incoming AC voltage and electrical configuration to the required level before the rectifier converts the AC power into DC.
ZSG rectifier transformers are widely suited to electroplating, electrolysis, battery charging, DC drives, DC traction, excitation systems, electrochemical processing, metallurgy and industrial DC power supplies. Capacity, voltage, winding configuration, connection group and mechanical construction can be customized according to your equipment and project requirements.
Factory Direct | Custom Design | OEM & ODM | Global Industrial Supply
Designed for Industrial Rectifier Systems
A rectifier transformer must be designed around the complete power-conversion system rather than only the transformer rating. The primary voltage, secondary voltage, current, rectifier type, pulse configuration, impedance, cooling and operating duty all affect the final transformer design.
The ZSG series provides the AC supply required by the rectifier while allowing the transformer and rectifier system to be engineered together.
AC Grid → ZSG Rectifier Transformer → Rectifier → DC Power → Industrial Load
This makes the transformer suitable for applications requiring stable, high-current or specialized DC power, particularly where conventional distribution transformers are not optimized for rectifier loads.
Key Features
Three Phase Dry Type Construction
The ZSG series uses a dry-type construction with air cooling and an oil-free insulation system, making it suitable for many industrial and indoor electrical installations.
Designed for High-Current Applications
The transformer can be engineered for low-voltage, high-current secondary applications commonly found in electroplating, electrolysis, battery charging and DC industrial equipment.
Flexible Voltage & Connection Design
Primary and secondary voltages, rated current, capacity, connection group and phase configuration can be customized to match the connected rectifier.
Copper or Aluminum Windings
Winding conductors can be selected according to current, thermal performance, electrical requirements and customer specifications. Copper is particularly suitable for compact and high-current designs.
Rectifier-Compatible Configuration
Where required, the transformer can be designed for different rectifier configurations, including 6-pulse, 12-pulse and other customized multi-pulse systems, depending on the rectifier architecture.
Custom Industrial Manufacturing
Voltnex Power provides customized rectifier transformer, dry type transformer and industrial power transformer solutions for equipment manufacturers, distributors, system integrators and industrial projects.
Technical Specifications
Final electrical parameters are confirmed according to the customer’s rectifier system, load requirements and approved technical specification.
Materials & Manufacturing
The performance and service reliability of a rectifier transformer depend on the complete combination of its magnetic core, windings, insulation and mechanical structure.
Voltnex Power uses electrical silicon steel for the magnetic core and can provide copper or aluminum winding configurations according to the required current and thermal design. The insulation system is selected according to voltage level, operating temperature and application requirements.
For high-current rectifier applications, particular attention is given to conductor sizing, winding structure, thermal performance, insulation, mechanical strength and connection configuration.
The transformer can be supplied as an open structure or with a protective enclosure depending on the installation environment.
Factory Testing & Quality Control
Every industrial transformer should be checked against its approved electrical and mechanical specification before shipment.
Depending on the project requirements, factory inspection can include:
- Visual and dimensional inspection
- Winding resistance test
- Insulation resistance test
- Dielectric withstand test
- Turns ratio test
- Phase and connection verification
- No-load test
- Load loss and impedance verification
- Temperature and thermal inspection
- Final nameplate and configuration check
For OEM and project orders, Voltnex Power can provide the agreed test reports, technical drawings and product documentation.
Applications
ZSG three phase rectifier transformers are designed for industrial applications where AC power must be supplied to a rectifier system for DC output.
Electroplating
Provides the transformer supply for rectifier systems used in metal plating and surface treatment processes where low-voltage, high-current DC power is required.
Electrolysis & Electrochemical Processing
Suitable for industrial electrolysis and other electrochemical processes requiring dedicated DC power systems.
Battery Charging
Can be integrated into industrial battery charging, battery testing and large DC charging systems according to the required voltage and current.
DC Drives & Traction
Suitable for rectifier-based DC drive systems, industrial motors and specialized DC traction power applications.
Excitation & Industrial DC Power
Can be customized for generator excitation, metallurgy, chemical processing and other industrial equipment requiring specialized DC power.
Custom Rectifier Transformer for Your Project
Rather than offering only fixed standard configurations, Voltnex Power can develop the transformer around your actual electrical system.
For a custom ZSG rectifier transformer, we normally need:
Input Voltage + Frequency + Required DC Voltage + DC Current + Application + Rectifier Type + Pulse Number + Quantity
Additional information such as the electrical drawing, rectifier datasheet, equipment nameplate, installation environment and preferred winding material can help us provide a more accurate design and quotation.
Whether you need a small industrial rectifier transformer or a large high-current transformer, the final kVA rating and construction are determined from the complete system requirements.
Project Example
Custom Transformer for an Industrial DC Power System
An industrial equipment manufacturer required a three-phase dry-type transformer to supply a downstream rectifier for a high-current DC process.
The design was developed around the customer’s:
- Three-phase AC supply
- Required secondary voltage
- DC output current
- Rectifier configuration
- Continuous operating duty
- Dry-type installation requirement
Voltnex Power selected the appropriate core, winding conductor, insulation system, cooling configuration and connection arrangement based on the complete system requirements.
The result was a customized transformer designed specifically for integration with the customer’s rectifier equipment rather than a standard distribution transformer.
Why Choose Voltnex Power?
Voltnex Power is a China-based industrial transformer manufacturer providing factory-direct solutions for international customers.
We support:
Custom Transformer Design
Electrical and mechanical parameters developed according to your project.
OEM & ODM Manufacturing
Suitable for equipment manufacturers and industrial power solution providers.
Factory Quality Control
Electrical, insulation, dimensional and performance testing according to agreed requirements.
Flexible Configuration
Custom capacity, voltage, winding material, connection, enclosure and installation design.
Global Supply
Solutions available for customers, distributors and industrial projects across North America, South America, Europe, Asia, Australia, Africa and the Middle East.
Frequently Asked Questions
What is a three phase rectifier transformer?
A three phase rectifier transformer is a transformer designed to supply AC power to a rectifier system. It transforms the input voltage and electrical configuration before the rectifier converts the AC power into DC.
Does a rectifier transformer convert AC to DC?
The transformer itself does not directly produce DC. It supplies the appropriate AC voltage and configuration to a downstream rectifier, which performs the AC-to-DC conversion.
What is a ZSG rectifier transformer used for?
ZSG transformers are commonly used for electroplating, electrolysis, battery charging, DC drives, DC traction, excitation and industrial DC power supplies.
Can the transformer be customized?
Yes. Voltnex Power can customize capacity, primary and secondary voltage, current, winding material, connection group, pulse configuration, cooling, enclosure and other electrical and mechanical parameters.
Can you manufacture high-current rectifier transformers?
Yes. The transformer can be engineered for high-current secondary applications based on the required AC input, DC output, rectifier configuration and operating duty.
Can you provide a 6-pulse or 12-pulse transformer?
Yes, where required by the rectifier system. Pulse and phase-shifting configurations should be confirmed from the customer’s rectifier design before production.
What winding materials are available?
Copper and aluminum winding configurations can be considered according to the required electrical, thermal and mechanical performance.
What information is required for a quotation?
Please provide the input voltage, frequency, required DC voltage, DC current, application, rectifier type, pulse configuration and quantity. A drawing or equipment datasheet is also helpful.
Get a Custom ZSG Rectifier Transformer
Looking for a three phase dry type rectifier transformer manufacturer for your industrial project?
Send us your transformer requirements or rectifier specifications. Our engineering team can review the application and recommend a suitable ZSG rectifier transformer configuration.
Request a Quote Today
Input Voltage | DC Voltage | DC Current | Frequency | Application | Quantity
Voltnex Power — Custom Industrial Transformer Manufacturer
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