Key Features & Engineering Highlights
– This industrial high frequency rectifier factory delivers a robust 75kW output at 750V and 100A, engineered specifically for demanding micro-arc oxidation MAO processes on aluminum, magnesium, and titanium alloys.
– As a heavy-duty DC power supply price leader, our unit offers precise voltage control from 0V-800V and current options from 5A up to 500A, ensuring flexibility across various ceramic coating thickness requirements.
– The IGBT rectifier manufacturer utilizes advanced Germany technology cooling system to maintain stable thermal performance under continuous pulse loads, critical for plasma electrolytic oxidation PEO applications.
– Custom current voltage rectifier design allows seamless integration with fixed cathode and anode current densities, automatically adjusting voltage during MAO formation for consistent waveform quality.
– Built for magnesium alloy ceramic coating and titanium bio-compatible oxide processes, this unit delivers exceptional waveform consistency and stable output for large metal parts.
Technical Specifications Table
| Output Voltage Range | 0V-800V (Nominal 750V) |
| Maximum Output Current | 100A (Optional: 5A, 10A, 30A, 50A, 200A, 300A, 400A, 500A) |
| Power Rating | 75kW (50-500 kVA custom options available) |
| Input Type | AC Input / DC Output Only |
| Pulse Duty Cycle | 1-100% adjustable |
| Pulse Frequency Range | 1-3000Hz adjustable |
| Control Interfaces | RS485 Modbus RTU, Ethernet, 4-20mA |
| Custom Voltage Range | 1V-1000V |
| Custom Current Range | 1A-100,000A |
Advanced Built-in Protection Systems
Our micro arc oxidation machine integrates comprehensive protection against overvoltage, overcurrent, overtemperature, and short circuit conditions. The advanced Germany technology cooling system ensures reliable operation during high-power pulse sequences. All protection thresholds are user-configurable via the HMI touch screen or remote control interfaces, providing real-time monitoring and automatic shutdown to safeguard both the power supply and the workpiece.
Target Industrial Applications
– Micro-arc oxidation MAO for aluminum alloy, magnesium alloy, and titanium alloy ceramic coating
– Plasma electrolytic oxidation PEO for wear-resistant and corrosion-resistant surface finishes
– Magnesium alloy ceramic coating for automotive and aerospace components
– Titanium bio-compatible oxide for medical implants and surgical instruments
– Hard anodizing for high-voltage electrical insulation
– Electrowinning and precious metal plating where precise pulse control is required
Customization and Tailored Engineering Services
GAOHUI offers full custom capability for voltage from 1V to 1000V and current from 1A to 100,000A, all with AC input and DC output only. We engineer custom functional modules including Digital Process Timer, Multi-Stage Programmable Profile Control, Ampere-Minute Integrator, Automatic Reverse Polarity, and Soft-Start Ramp-Up. Local/Remote Control is available via Push-Button or HMI Touch Screen. Interfaces include RS485 Modbus RTU, Ethernet, and 4-20mA. Pulse Functions offer 1-100% duty cycle and 1-3000Hz frequency adjustment. Our factory can scale power supply ranges from 50 to 500 kVA, with custom electrolyte tanks from 500 to 20,000 liters for automated production lines.
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