The Aluminum Foil Formation Transformer is a specialized regulating rectifier transformer engineered for the demanding power supply requirements of aluminum foil formation (anodizing) and similar electrochemical processes. Developed through proven technical experience, this transformer is purpose-built to provide stable and precisely controlled DC power. Its core design focuses on effectively suppressing high-order harmonics and improving the grid power factor, ensuring efficient operation, process stability, and compliance with modern power quality standards.
Product Features
• Purpose-Built for Formation Processes
Expertly designed to meet the specific voltage regulation, current density, and operational cycle demands of medium and high-voltage aluminum foil anodizing/formation lines, ensuring optimal product quality and process consistency.
• Superior Harmonic Mitigation
Incorporates advanced winding and magnetic circuit designs (such as phase-shifting techniques) to significantly reduce the generation of high-order harmonics, minimizing interference with the grid and other equipment.
• Enhanced Grid Power Factor
Optimized design inherently contributes to a higher system power factor, reducing reactive power demand, lowering electricity costs, and improving overall plant energy efficiency.
• Flexible & Precise Voltage Control
Available with either On-Load (Z) or Off-Circuit Motorized (D) tap changers, allowing for precise manual or automated adjustment of the output voltage to match different stages of the formation process.
• Robust & Reliable Performance
Built with high-quality materials and robust construction to ensure reliable, continuous operation in industrial environments, minimizing downtime in critical production processes.
• Proven Application Expertise
Backed by successful references and extensive experience in supplying power solutions specifically to the aluminum foil and electrolysis industries.
Specifications & Parameters
| Category | Specification / Description |
| Product Model | Z S - [kVA] / [HV Voltage] - [LV Voltage] *Example: ZS-2500/35-1.2* |
| Model Code Breakdown | Z: Rectifier S: Three-Phase (D for Single-Phase) Tap Changer Type: Z for On-Load, D for Off-Circuit Motorized [kVA]: Rated Capacity [HV] / [LV]: High Voltage / Low Voltage (kV) |
| Primary Application | Aluminum Foil Formation (Anodizing), Electrolysis, Electrochemical Processes. |
| Rated Capacity | Customizable, typically ranging from several hundred to tens of thousands of kVA. |
| High Voltage (HV) Side | Customizable: 10kV, 35kV, 66kV, 110kV, etc., as per grid connection. |
| Low Voltage (LV) Side | Customizable low DC-link voltage as required by the rectifier system. |
| Tap Changer | On-Load Tap Changer (OLTC) or Off-Circuit Motorized Tap Changer (OCTC). |
| Phase Configuration | Primarily Three-Phase (S), Single-Phase (D) available. |
| Impedance | Designed to limit short-circuit current and optimize rectifier operation. |
| Cooling Method | ONAN (Oil Natural Air Natural) or ONAF (Oil Natural Air Forced) standard. |
Packaging, Warranty & Certifications Packaging：
The transformer is shipped fully assembled. The main tank is filled with nitrogen or dry air for protection, securely mounted on a heavy-duty skid base. Detachable radiators, bushings, and control cabinets are packed in robust, weather-resistant wooden crates. All packages are clearly marked for handling and identification.
Warranty：
We offer a standard 12-month warranty from the date of successful commissioning or 18 months from the date of shipment, whichever occurs first. The warranty covers defects in materials and workmanship.
Certifications & Testing：
Our quality management system is certified to ISO 9001. The transformer is designed and manufactured in accordance with relevant GB (Chinese National Standards) and IEC standards (e.g., IEC 60076). Each unit undergoes comprehensive routine testing including ratio, resistance, impedance, no-load and load loss measurements, and dielectric tests. Special tests like temperature rise can be performed upon request.
Technical Support：
We provide detailed product manuals, electrical diagrams, and test reports. Our engineering team is available to provide technical support for system integration and commissioning.
