Electrodialysis Power Source 60V 800A GAOHUI Industrial High Frequency Rectifier Factory Direct

GAOHUI redefines the standard for electrochemical desalination. This 60V 800A Electrodialysis Power Source is engineered specifically for the punishing demands of ion-exchange membrane systems. It directly addresses the critical failure points of traditional silicon-controlled rectifiers—unstable ripple, electrode corrosion, and thermal drift—by deploying advanced high-frequency IGBT switching technology. This is not a lab-grade supply; it is a heavy-duty DC power supply price engineered for 24/7 continuous operation in brackish water purification plants and industrial brine concentration facilities. Delivering precisely regulated direct current with ripple lower than 2%, it maximizes membrane lifespan while minimizing energy waste per cubic meter of treated water. As a specialized IGBT rectifier manufacturer, we have built this unit to obsessively meet the strict electrical isolation and voltage stability requirements of electrodialysis (ED) and electrodialysis reversal (EDR) processes.
Part 1 Key Features & Engineering Highlights
Precision DC without Harmonics – Our proprietary phase-shifted full-bridge topology eliminates the common 6-pulse rectifier issues. The output ripple is aggressively smoothed to below 2%, directly preventing calcium scaling and polarization on ion-exchange membranes. This feature alone reduces cleaning downtime and chemical consumption.
True Industrial Power Density – This unit delivers a full 48kW of variable DC power from a compact chassis. Unlike low-frequency transformer designs that vibrate and require significant floor space, this high-frequency industrial rectifier operates silently and can be stacked for multi-stage electrodialysis configurations.
Full Regulation Stability – The control loop maintains ±0.5% voltage and ±1% current regulation across a 0-100% load swing. This is critical for the custom current voltage rectifier tuning required when feed water conductivity fluctuates seasonally or with source changes.
Isolated Control Interface – All power and control circuits are galvanically isolated. This ensures zero ground loop interference with PLC systems, water quality sensors, or pH metering equipment commonly integrated into modern electrodialysis skids.
Part 2 Technical Specifications Table
| Parameter | Specification | Condition |
| — | — | — |
| Rated Output Voltage | 0-60 VDC (continuous variable) | Steady state |
| Rated Output Current | 0-800 ADC (continuous variable) | 100% rated load |
| Rated Output Power | 48 kW | 100% duty cycle |
| Input Voltage | AC 380V ±10%, 3-Phase 50/60Hz | 3-Phase 4-Wire |
| Input Power Factor | > 0.92 | Nominal load |
| Rectifier Efficiency | > 90% | Full load (lower than 92% at half load) |
| Voltage Ripple (P-P) | < 2% rated Vout | 100-800A load |
| Current Ripple (RMS) | < 1.5% | Inductive load |
| Load Regulation (Voltage) | ±0.5% | 10-100% load change |
| Line Regulation (Voltage) | ±0.3% | ±10% input change |
| Cooling Method | Forced Air | Dual high-speed fans |
| Ambient Operating Temp | 0°C to +45°C | Derate above 45°C |
| Storage Temperature | -20°C to +60°C | Non-condensing |
| Enclosure Protection | IP20 (Indoor) | Dust and finger-proof |
| RS485 Modbus RTU Interface | Baud: 9600, 19200, 38400, 115200 | Standard option |
| Analog Interface | 0-10V / 4-20mA | Isolated input for V/I setpoint |
Part 3 Advanced Built-in Protection Systems
This rectifier is protected against industrial misuse and unpredictable load conditions. It features a dedicated hardware-based overvoltage protection (OVP) circuit that disconnects the output within milliseconds if the membrane stack back-EMF rises abnormally. Has built-in electronic current limit (constant current source) that prevents thermal runaway. The over-temperature protection (OTP) system actively monitors IGBT junction temperature via NTC thermistors, and the built-in Soft-Start circuit eliminates inrush current during idle-to-load transitions. Short circuit and reverse polarity protection also redundant. All alarms and trips are communicated via dry contact relays and are logged on the digital front panel.
Part 4 Target Industrial Applications
This DC power supply is the absolute core for electrodialysis (ED) and electrodialysis reversal (EDR) systems. It is manufactured for the continuous purification of brackish water, surface water, and industrial wastewater. It is also directly applicable to ion-exchange membrane electro-regeneration, electrodeionization (EDI) stack biasing, and specific electrolysis processes requiring a stable, low-ripple DC source. This unit is suitable for the following standard ED target flows:
– Brackish groundwater desalination for drinking water
– Surface water treatment for boiler-feed makeup
– Industrial process water softening
– Industrial brine concentration for zero liquid discharge (ZLD)
– Electrocoagulation and electro-oxidation pretreatment systems
Part 5 Customization and Tailored Engineering Services
GAOHUI operates as a factory-direct manufacturer with full control over the bill of materials, PCB layout, and firmware. We offer comprehensive customization for any voltage from 1V to 1000V and any current from 1A to 100,000A. AC input can be adapted to specific regional grid standards (208V, 380V, 400V, 415V, 480V, 600V, 690V). Output remains clean DC.
For sophisticated electrodialysis process control, we can integrate additional modular intelligence:
– Process Timer: For timed cycle operation and duty cycle control
– Multi-Stage Profile Control: To pre-program voltage/current ramps for membrane fouling prevention
– Ampere-Minute Integrator: For coulomb-based dosing and electrode conditioning cycles
– Automatic Reverse Polarity (ARP): Master control for EDR systems to flip anode/cathode roles on a scheduled interval, self-cleaning membranes
– Soft-Start: Reaches final setpoint without overshoot to protect sensitive ion-exchange membranes
– Advanced HMI: Color touch-screen interface with data logging to USB or LAN
– External Interface: RS485 Modbus RTU, Ethernet/IP (in development), PROFINET, and 4-20mA analog I/O
– Pulse Functions: 1-3000Hz adjustable square wave or reverse pulse with customizable duty cycle to improve mass transfer in specific membranes
Our engineering team will design a single unit or a complete multi-rectifier control system, all integrated and tested at our factory in China. We ship globally with full installation documentation and technical support.