15V 1500A Power Supply (Anodizing & Surface Finishing Duty)

An industrial anodizing line demands exact electrical output as much as it requires brute force reliability. This 15V 1500A unit is engineered for the precision thresholds of architectural profile finishing, delivering stable DC current for consistent oxide layer growth across every rack load. Whether your operation runs sulfuric acid anodizing or requires tight control over voltage for color matching, this rectifier eliminates the voltage ripple that plagues older SCR designs. The architecture targets the specific load profile of a tank line, where current density must remain unwavering to prevent burning or uneven coating. It functions as the core power source for an entire aluminum anodizing line, replacing legacy units with significantly lower input power consumption.
Part 1 Key Features & Engineering Highlights
* High-Frequency IGBT Topology: Uses advanced switching at 20kHz to achieve superior DC output quality. The reduction in ripple directly improves anodizing quality by minimizing micro-porosity in the oxide layer, a critical factor for clear and color anodized finishes.
* Industrial-Grade Efficiency: Delivers upwards of 90% efficiency at rated load. This translates directly to lower energy bills for the industrial high frequency rectifier factory or facility running continuous shift operations.
* Robust Mechanical Construction: Fabricated from thick stainless steel sheet metal. The cabinet is designed to withstand the corrosive acidic mists common to a plating shop environment. All major components are coated to resist sulfur attack.
* Scalable Modular Design: Internal power modules allow for service without replacing the entire unit. This design philosophy reduces downtime and total cost of ownership, a frequent concern when evaluating a heavy-duty DC power supply price against long-term operational costs.
* Phase Shift Optimized: Control circuitry manages phase shifting to reduce input harmonic distortion, improving power factor at the facility’s main transformer.
Part 2 Technical Specifications Table
| Parameter | Specification |
| — | — |
| Model | FX-AI-15-1500 |
| Input Voltage | 380 VAC ± 10% / 415 VAC (Custom input available) |
| Output Voltage Range | 0 – 15V DC (Continuous Adjustable) |
| Output Current Range | 0 – 1500A DC (Continuous Adjustable) |
| Output Ripple (RMS) | 90% at full load |
| Regulation Accuracy | ± 0.5% (Steady State) |
| Control Interface | Analog 4-20mA / 0-10V, Digital RS485 Modbus RTU |
| Operating Frequency | 50 / 60 Hz |
| Cooling Method | Forced Air + High-Efficiency Heat Sink |
| Ambient Temp | 0°C to +45°C |
| Protection Rating | IP30 (Standard), IP42 (Optional) |
Part 3 Advanced Built-in Protection Systems
This rectifier is configured with multiple redundant protection circuits to safeguard both the equipment and the load. An integrated over-temperature monitor triggers a gradual current reduction well before critical thresholds on the IGBT modules. Electronic over-current protection responds in microseconds to prevent short circuit damage to the output bus bars or tank leads. The system also includes phase loss, input over-voltage, and output under-voltage lockout routines. These safety nets are essential for maintaining production schedules and preventing costly bath solution contamination.
Part 4 Target Industrial Applications
The device is tuned for continuous-duty operation. Primary uses include:
* Sulfuric Acid Anodizing: Provides the precise low ripple necessary for decorative and protective anodizing on architectural profiles.
* Architectural Profile Finishing: Suitable for long extrusions requiring uniform current distribution across complex shapes.
* Hard Anodizing: While this is a 15V unit for standard thicknesses, its stable output supports the initial ramp and constant current density required for thicker oxide layers.
* Electropolishing: Suitable for stainless steel or aluminum brightening where voltage stability is paramount.
Part 5 Customization and Tailored Engineering Services
As a dedicated IGBT rectifier manufacturer, we offer complete parametric customization for this platform. The base unit is a 15V 1500A DC output system, but we can engineer the same chassis for other voltage and current levels.
Factory Capability Range: 1V-1000V, 1A-100,000A. Input is AC, output is DC only.
Available Add-On Modules:
* Process Timer: Automatic cycle termination.
* Multi-Stage Profile Control: Execute complex voltage and current ramps for specialized anodize sequences.
* Ampere-Minute Integrator: Real-time monitoring of total charge transferred to the load, critical for process consistency.
* Automatic Reverse Polarity: Synchronized reversal cycles for duplex nickel plating or periodic current reversal processes.
* Soft-Start: Programmable output ramp to avoid current shock to the load.
* Communication Interfaces: RS485 Modbus RTU, Ethernet/IP, 4-20mA analog control.
* Pulse Functions: Adjustable frequency from 1 to 3000Hz for pulse anodizing or specialized plating applications requiring peak current performance. Our engineering team is ready to build a custom current voltage rectifier for your specific tank line layout.