Key Features & Engineering Highlights
– Designed specifically for plasma electropolishing and electrolytic surface treatment, this industrial high frequency rectifier factory unit delivers precise 300V DC output at up to 3000A, ensuring consistent mirror-finish results on complex metal geometries.
– Utilizes advanced IGBT switching technology with microsecond-level fault response time, providing superior regulation and ripple control compared to traditional SCR-based heavy-duty DC power supply price alternatives.
– As a trusted IGBT rectifier manufacturer, we integrate high-frequency transformer isolation for enhanced safety and efficiency, reducing energy loss by up to 15% over conventional designs.
– Features a custom current voltage rectifier architecture that supports rapid load changes inherent in plasma polishing processes, maintaining stable arc characteristics for uniform surface removal.
– Compact rack-mount design minimizes floor space while delivering full-rated power, ideal for production lines requiring multiple units in parallel for large-scale electropolishing tanks.
Technical Specifications Table
| Model Number | GH-PEP-300V3000A |
| Input Voltage | AC 380V ±10% / 50-60Hz (3-phase) |
| Output Voltage | 0-300V DC (continuously adjustable) |
| Output Current | 0-3000A DC (continuously adjustable) |
| Output Ripple | < 1% RMS at full load |
| Efficiency | > 92% at rated output |
| Control Method | IGBT PWM with constant voltage/constant current modes |
| Cooling | Forced air with redundant fans |
| Protection Class | IP20 (indoor use) |
| Operating Temperature | 0°C to 45°C |
| Dimensions (W x D x H) | 600mm x 800mm x 1200mm |
| Weight | Approximately 450 kg |
Advanced Built-in Protection Systems
Our GAOHUI rectifier incorporates a comprehensive protection suite engineered for demanding plasma electropolishing environments. Overcurrent protection triggers within microseconds to prevent arc flash damage. Overvoltage clamping safeguards sensitive workpiece surfaces. Thermal monitoring with automatic derating prevents overheating during extended high-current cycles. Short-circuit proof design ensures uninterrupted production. Input phase loss and under-voltage detection maintain system integrity. All protection parameters are user-configurable via the front panel or remote interface, providing absolute control over process safety.
Target Industrial Applications
– Plasma electropolishing of stainless steel, titanium, and aluminum components for medical implants and surgical instruments
– Electrolytic surface treatment for semiconductor chamber parts requiring ultra-smooth finishes
– Precision deburring and passivation of automotive fuel system components
– Surface smoothing of aerospace turbine blades and landing gear parts
– High-gloss finishing of food processing equipment and pharmaceutical vessels
– Custom current voltage rectifier for specialized electrowinning and hard anodizing processes
Customization and Tailored Engineering Services
As a dedicated IGBT rectifier manufacturer, GAOHUI offers full customization across 1V-1000V and 1A-100,000A ranges, with AC input and DC output only. We engineer bespoke functional modules to match your exact process requirements: Digital Process Timer for automated cycle control, Multi-Stage Programmable Profile Control for complex voltage/current ramps, Ampere-Minute Integrator for precise charge tracking, Automatic Reverse Polarity for periodic cleaning cycles, and Soft-Start Ramp-Up to prevent thermal shock. Control options include Local/Remote via Push-Button or HMI Touch Screen. Standard interfaces include RS485 Modbus RTU, Ethernet TCP/IP, and 4-20mA analog control. For pulse applications, we offer Pulse Functions with 1-100% duty cycle and 1-3000Hz frequency adjustable, ideal for advanced plasma polishing techniques. Each unit is factory-tested under full load and backed by comprehensive documentation.
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