Chrome Plating Power Source 18V 2000A GAOHUI Hard Chrome Rectifier for Electroplating High Frequency IGBT

Executive Summary
This GAOHUI 18V 2000A Chrome Plating Power Source represents a convergence of high-frequency IGBT switching technology and industrial-grade reliability, purpose-built for demanding hard chrome plating operations. Unlike traditional SCR-based rectifiers that introduce harmful voltage spikes and ripple, this unit delivers a pristine three-phase waveform free of distortion, ensuring superior deposit quality and bath stability. As an experienced industrial high frequency rectifier factory, GAOHUI engineers each unit for continuous duty cycles, aggressive current density profiles, and the corrosive environments inherent to chrome plating lines. Whether you are running decorative finishes on automotive parts or thick-build hard chrome on hydraulic cylinders, this power supply delivers the precision and current capacity required to achieve repeatable, spec-grade results.
Part 1 Key Features & Engineering Highlights
High Frequency IGBT Topology with Enhanced Efficiency
The switch-mode design reduces transformer weight by over 60% compared to conventional units while increasing AC-to-DC conversion efficiency beyond 92%. This directly lowers operational energy costs and heat dissipation within the plant. The advanced IGBT modules allow for instantaneous output response, critical for eliminating current spikes that can crack or burn chrome deposits.
True 0-18V and 0-2000A Continuous Adjustment
Independent, stepless control over both voltage and current enables fine-tuned amperage control for intricate part geometries and varying surface areas. The linear regulation loop maintains set-point accuracy within ±0.5% across the entire load range, ensuring each rack achieves the same layer thickness.
Ripple-Free DC Output Suitable for Hard Chrome
A multi-stage LC filtering network retains residual ripple at less than 1% RMS at rated load. This clean DC signal prevents nodulation, treeing, and rough deposits on polished surfaces, directly translating to reduced buffing and rework costs.
Part 2 Technical Specifications Table
| Parameter | Specification |
| — | — |
| Model Number | GAOHUI-HC-1820 |
| AC Input Voltage | 3-Phase 380V ±10% / 50-60Hz |
| DC Output Voltage | 0-18V continuously adjustable |
| DC Output Current | 0-2000A continuously adjustable |
| Output Ripple | 92% at full load |
| Control Mode | Constant Current / Constant Voltage (CV/CC) with automatic crossover |
| Cooling Method | Forced air cooling with corrosion-resistant fan coating |
| Protection Rating | IP54 (electronic bay), IP21 (transformer bay) |
| Operating Temperature | -10°C to +50°C |
| Dimensions (W x D x H) | 800mm x 600mm x 1200mm |
| Net Weight | 180 kg |
Part 3 Advanced Built-in Protection Systems
Industrial manufacturing environments demand resilience. This rectifier integrates solid-state overcurrent protection with a 1-microsecond trip response, preventing catastrophic damage to the machine or your workpieces in the event of a shorted rack or dropped electrode. The overvoltage clamp protects sensitive electronic loads, while the reverse polarity alarm prevents connection errors that could damage expensive plating jigs. The digital thermostat monitors internal junction temperatures and initiates a soft shutdown before reaching thermal stress limits. For full transparency on heavy-duty DC power supply price vs. lifecycle value, these protection features reduce mean-time-between-failures by over 40% relative to unprotected units.
Part 4 Target Industrial Applications
Engineered specifically for the electrochemical demands of chrome plating, this power source excels in:
– Decorative Chrome Plating: Achieving bright, blue-white deposits on automotive trim, bathroom fixtures, and motorcycle parts with consistent 1-3 micron layers.
– High-Speed Chrome Plating: Supporting current densities up to 8 A/dm² for rapid build-up on tools, dies, and molds.
– Hard Chrome / Industrial Chrome Plating: Depositing thick layers (up to 500 microns) on hydraulic rods, printing cylinders, and aerospace components without hydrogen embrittlement cracking.
– Electroforming of Chrome: For specialized micro-component manufacturing requiring ultra-low ripple and precise coulomb control.
Part 5 Customization and Tailored Engineering Services
GAOHUI operates as a dedicated IGBT rectifier manufacturer with a complete in-house engineering facility. We recognize that no two plating lines are identical. Our customization program allows you to configure a custom current voltage rectifier specifically matched to your chemistry and part geometry.
Available factory-integrated modules include:
– Output Voltage Range: 1V to 1000V (any fixed or variable window)
– Output Current Range: 1A to 100,000A (parallel operation ready)
– Input: 3-phase AC global voltages (208V, 400V, 480V, 600V, 690V)
– Output Type: Pure DC only; no phase-control AC bleed.
– Process Timer: Digital countdown with audible alarm and auto-shutdown.
– Multi-Stage Profile Control: Up to 16 programmable steps (ramp up, dwell, ramp down) for complex decorative and hard chrome schedules.
– Ampere-Minute Integrator: Real-time total charge calculation with remote data logging.
– Automatic Reverse Polarity (Periodic Reverse): Adjustable forward/reverse cycle for enhanced leveling in decorative chrome.
– Soft-Start Ramp: Controlled current rise to prevent thermal shock on cold parts.
– Communication Interfaces: RS485 Modbus RTU, Ethernet/IP, or 4-20mA analog control for PLC integration.
– Pulse Functions: Square wave pulse output from 1Hz to 3000Hz, adjustable duty cycle, ideal for pulse chrome plating which improves deposit density and reduces internal stress.
All units carry a comprehensive two-year warranty and are supported by GAOHUI’s global technical service network. Contact our engineering team for a complete design proposal tailored to your amp-hour requirements and facility layout.