As a professional transformer rectifier manufacturer, we supply high‑performance oil immersed rectifier transformer for electrolysis, non‑ferrous metal smelting, green hydrogen production and chlor‑alkali industry. High overload, low noise, reliable, comply with GB/T & IEC standards. Contact the leading rectifier transformer manufacturer for quotation.
This oil immersed rectifier transformer adopts heavy‑duty carbon steel welded tank with light‑grey industrial anti‑corrosion paint finish. Equipped with radiator fin groups for effective heat dissipation, oil level indicator, pressure‑relief valve and temperature measuring components mounted on the top cover. Standard lifting lugs are reserved for hoisting and transportation. High‑grade transformer mineral oil serves as insulation & cooling medium. Core is made of high‑quality silicon steel sheet; winding uses high‑conductivity copper material. Multiple tap‑change terminals allow flexible voltage tuning.
Overall robust mechanical structure adapts to harsh continuous‑running industrial environment. Multiple kVA ratings from small‑size to large‑capacity are available to satisfy diversified electrochemical project demands.
Product Features
- Designed for rectification process, converts AC grid power into stable DC power for industrial electrolysis system
Specifications & Parameters
Reference model XZS‑800/10 (sample unit on photo)
| Category | Specification / Description |
| Rated Capacity | 800 kVA |
| Rated Voltage |
10000 V / 400 V |
| Rated Current | 46.2 A / 1155 A |
| Phase | 50 Hz |
| Frequency | Three-phase |
| Vector Group | Dy11 |
| Cooling Method | ONAN (Oil Natural Air Natural) |
| Insulation Level | LI75 AC35/AC5 |
| Tap‑changer positions | 5 tap positions for voltage adjustment (10500V‑9500V) |
| Weight | Total weight:2850 kg; Tank & Oil weight: 610 kg; Core‑coil weight:1530 kg |
| Application | Indoor‑type for electrolysis, metal smelting, hydrogen‑making plant |
| Customizable capacity, voltage, vector group upon client project requirements | |
As an experienced rectifier transformer manufacturer, we own complete in‑house production workflow from core‑winding, tank welding to final testing. Without intermediate traders, we deliver competitive factory‑direct pricing for oil immersed rectifier transformer. Comparing with overseas brands, we maintain equivalent performance while shortening production lead‑time. We provide full‑set technical support for electrochemical, copper recycling and green‑hydrogen projects.
Both standard models and fully‑customized solutions are offered to match different project budgets.
Packaging, Warranty & Certifications Packaging：
Main unit packed in seaworthy fumigated wooden case or steel frame for ocean export shipment.
Accessories & documents packed inside separate waterproof carton.
Secure fastenings to avoid vibration damage during long‑sea transportation.
Warranty：
12‑month warranty after equipment commissioning or 18‑months from B/L date, whichever comes first. Lifelong technical consultation and spare‑parts support are available.
Certifications & Testing：
Compliant with GB/T 18494 series national standards. Can provide test reports, inspection documents. OEM & custom design service is supported for global clients.
Use Scenarios
Metal Melting and Smelting Power Supply in Foundry Operations
In foundry environments specializing in metal melting and smelting with medium frequency induction furnaces, the transformer rectifier unit furnishes stable and reliable DC power essential for maintaining uniform furnace temperatures and precise metal quality control. Operating within highly variable load conditions, the unit’s overload capability ensures uninterrupted furnace operation during surge demands. Its multi-pulse design mitigates harmonic distortion, protecting sensitive electrical equipment and supporting compliance with electrical grid codes. Compact installation near load centers further reduces electrical losses and simplifies plant layout integration, aligning with reliable practices for efficiency and system robustness sought by industrial operators utilizing rectifier transformers.
Power Quality Optimization in Metallurgical Plants
Metallurgical plants require robust and durable rectifier transformers to supply medium frequency power while minimizing interference with plant-wide electrical systems. This high voltage rectifier transformer is specifically engineered to deliver low harmonic emissions and improved power factor through precise voltage regulation and multi-pulse technology. It facilitates stable integration with medium frequency inverters and advanced furnace controls, enhancing workflow reliability. Its superior cooling and insulation enable continuous operation in high-temperature and moisture-prone environments common in metallurgy. By ensuring consistent power delivery and compliance with industrial standards, this transformer rectifier is instrumental in optimizing production efficiency and reducing unplanned outages.
Our rectifier transformer supports overload capacities exceeding 160% of rated power, uses advanced multi-pulse designs to reduce harmonics, and employs flame-retardant, moisture-proof materials with superior cooling for stable, long-term operation even in demanding industrial conditions.
Can you assist with installation and integration of your transformer rectifier units?
Yes, we provide technical guidance for installing the compact transformer rectifier unit close to the load center. This minimizes voltage drop and cable loss, improving system efficiency and lowering installation costs, ensuring seamless integration with your medium frequency inverters.
What delivery timelines and warranty coverage do you offer?
Delivery typically takes 2 to 3 months depending on order specifics. We offer an 18-month warranty from shipment covering manufacturing defects, excluding damages from improper use. Our team is ready to support you with after-sales service and technical advice.
