GAOHUI 15V 1500A Anodizing Rectifier (Heavy Duty DC Power Supply)

Executive Summary
Engineered for the precision demands of architectural profile finishing and entire aluminum anodizing lines, this 15V 1500A anodizing rectifier delivers exacting DC power density with ultra-low ripple. Sourced directly from a certified industrial high frequency rectifier factory, it provides a consistent oxide layer growth essential for sulfuric acid anodizing, eliminating hot spots and uneven film thickness common with outdated SCR technology. This unit serves as a direct drop-in replacement or original equipment for chrome galvanic zinc plating rectifier systems.
Part 1 Key Features & Engineering Highlights
High-Frequency IGBT Inverter Switching: Utilizes latest generation IGBT modules operating above 20kHz for a pure DC output with ripple under 3%. This ensures consistent oxide layer density on every rack load. As a leading IGBT rectifier manufacturer, GAOHUI guarantees near-unity power factor (>0.95) and greater than 90% efficiency, directly reducing your facility’s long-term heavy-duty DC power supply price per amp.
Rugged Air-Cooled or Liquid-Cooled Chassis: Built for continuous 24/7 industrial service. The main bus bars are nickel-plated copper, reducing impedance and power loss. Over-sized heat sinks and intelligent fan controllers maintain optimal thermal performance even when running at full ambient temperature.
Application-Optimized Voltage Window: Specifically set to the 15V ideal sweet spot for standard sulfuric acid anodizing and chromic acid bright dipping. This voltage range prevents “burning” of the part surface (commonly seen when pushing to 30V for semi-hard coatings) while maintaining aggressive oxide growth rates of 0.5-1.0 mil per 30 minutes.
Part 2 Technical Specifications Table
| Parameter | Specification | Notes |
| :— | :— | :— |
| AC Input | 3-Phase, 380V / 480V ±10% / 50-60Hz | Variable transformers for other voltages available |
| DC Output | 0-15 Volts / 0-1500 Amps | Continuous rating at 100% duty cycle |
| Regulation Mode | Constant Current (CC) / Constant Voltage (CV) | Automatic crossover |
| Ripple | ≤ 3% rms at rated load | <1% rms available on request |
| Efficiency | ≥ 90% at full load | |
| Protection Class | IP21 | IP54 for harsh environments available |
| Operating Temp | -10°C to +50°C | |
| Control Interface | 0-10V or 4-20mA analog, RS485 Modbus RTU | Standard |
Part 3 Advanced Built-in Protection Systems
This system integrates a three-tier protection architecture. The primary electronics are shielded by surge suppression against line transients. Real-time IGBT junction temperature monitoring triggers derating before threshold violation. Output stage employs a high-speed fusing system and reverse polarity protection to prevent catastrophic failure of tank connections. Verification reports accompanying each unit confirm performance against the custom current voltage rectifier configuration ordered.
Part 4 Target Industrial Applications
Designed specifically for the anodizing sector, this rectifier excels in:
Standard Sulfuric Acid Anodizing (Type II): Ideal for decorative and corrosion-resistant coatings on architectural framing, cookware, and electronics enclosures.
Hard Coat Anodizing (Type III) Applications: While primarily a 15V unit, it can effectively ramp to support seal cycles and lower voltage dwell steps.
Electropolishing & Etching: Provides the stable low voltage required for electropolishing of stainless steel and aluminum alloys before final anodize.
Chrome Galvanic Plating: Suitable as a DC source for chromium plating processes where precise current density is mandatory.
Part 5 Customization and Tailored Engineering Services
GAOHUI provides a complete factory-package for any industrial finishing line. Our engineering team can reconfigure any parameter of this 15V 1500A chassis:
Voltage & Current Range: Hard-coded from 1V to 1000V DC and 1A to 100,000A DC. Input is standard 3-phase AC; output is pure DC only.
Control Modules: Integrate Process Timer for automatic cycle shutdown, Multi-Stage Profile Control for ramp/soak sequences (e.g., 10 min ramp to 15V, hold for 30 min, drop to 5V), and an Ampere-Minute Integrator for precise film thickness calculation.
Advanced Interfaces: Automatic Reverse Polarity for cleaning cycles, Soft-Start for controlled loading, and full Pulse Functions adjustable from 1-3000 Hz (Square wave or DC Pulsed) for specialized coating density.
Remote Communication: Standard RS485 Modbus RTU, Ethernet (TCP/IP), or dedicated 4-20mA analog inputs for seamless integration with your PLC or SCADA system.
Contact GAOHUI directly for a detailed quotation and factory test data on your specific heavy-duty DC power supply price configuration. We are a proven industrial high frequency rectifier factory with a global track record in delivering IGBT rectifier manufacturer solutions that lower your total cost of ownership. Request a custom current voltage rectifier today.