Electrocoagulation – 30V 2000A Industrial-Grade High Frequency DC Rectifier

Precision-engineered for the extreme demands of continuous electrocoagulation wastewater treatment, this 30V 2000A industrial high frequency rectifier factory unit transforms raw DC power delivery into a controlled chemical process. It directly solves the brutal operating realities of heavy metal precipitation and complex effluent flocculation by delivering a stable, ripple-free current that maximizes floc formation while minimizing electrode passivation. This heavy-duty DC power supply price reflects its commercial-grade build—designed for 24/7 uptime in corrosive environments, not lab bench testing. As a trusted IGBT rectifier manufacturer, we have integrated advanced switching topology to ensure a power factor above 0.92, reducing operational costs and harmonics on the main line. If your project demands a custom current voltage rectifier with specific wave shaping or control interfaces, this platform is built for deep integration into automated water treatment skids.
Part 1 Key Features & Engineering Highlights
Advanced IGBT Inverter Technology
Utilizing the latest generation IGBT modules, the switching frequency is optimized to reduce transformer size and core losses. The result is a unit with an efficiency rating exceeding 90% at full load, drastically cutting energy waste during high-current electrocoagulation cycles. This clean DC output eliminates the harmonic distortion common in older thyristor designs, directly improving electrode lifespan.
Automatic Polarity Reversal System
Electrode fouling is the primary enemy of uptime. This rectifier features a fully programmable polarity reversal timer. The operator can set the forward and reverse time durations (from 1 second to 99 minutes) to automatically strip scale buildup from the plates. This feature is critical for maintaining consistent flocculation performance without manual cleaning downtime.
Dual-Mode Regulation CV/CC
The unit operates with automatic crossover between Constant Voltage and Constant Current modes. In the primary CC mode, the 2000A output is maintained with a regulation accuracy of ±0.5% against load variations typical in heavily contaminated wastewater. This ensures the electrochemical oxidation and reduction reactions proceed at the exact prescribed rate, regardless of water conductivity changes.
Ruggedized Air or Liquid Cooling Architecture
Built from the ground up for the high humidity and chemical vapor atmosphere of water treatment plants. The power stage is coated with a conformal layer to prevent corrosion. The forced-air cooling system includes oversized fans with dust filters, while the optional liquid-cooled chassis offers sealed operation for explosive or spray-filled environments.
Part 2 Technical Specifications Table
| Parameter | Specification |
| — | — |
| Model | EC-3020 (Electrocoagulation Series) |
| Input Voltage | 3 Phase AC 380V ± 10% / 50-60Hz (Customizable) |
| Output Voltage | 0 – 30V DC (Continuously Adjustable) |
| Output Current | 0 – 2000A DC (Continuously Adjustable) |
| Output Mode | Constant Current / Constant Voltage (Automatic Crossover) |
| Regulation Accuracy | ± 0.5% |
| Ripple Ratio | Less than 3% (RMS) |
| Efficiency | Greater than 90% at Rated Load |
| Polarity Reversal | Automatic Programmable Timer (1s – 99min) |
| Cooling Method | Forced Air Cooling (Liquid Cooling Optional) |
| Display | Digital Touchscreen (V, A, AH, Timer) |
| Protection | Overheating, Overcurrent, Short Circuit, Phase Loss |
| Communication | RS485 Modbus RTU (Ethernet TCP/IP Optional) |
| Operating Temp | -10°C to +45°C |
| IP Rating | IP42 (Electronics Enclosure) |
Part 3 Advanced Built-in Protection Systems
Total Silicon Isolation Circuitry
Protects both the load and the operator. The DC output is fully isolated from the AC mains, eliminating ground loops that can interfere with sensitive PH and ORP sensor readings in the treatment tank.
Real-Time Thermal Management
Multiple thermocouples monitor the IGBT heatsink, transformer core, and internal ambient air. If temperatures exceed safe thresholds, the controller triggers a staged response: first accelerating the cooling fans to maximum, then reducing output current linearly, and finally performing a controlled shutdown before component damage occurs.
Arc Flash and Load Disconnect Protection
A dedicated DC-rated circuit breaker on the output ensures safe disconnection under load. The software also includes a zero-output soft-start function that ramps the voltage from 0V to the setpoint over a configurable period (1-30 seconds), preventing catastrophic inrush currents when the electrodes initially contact the solution.
Part 4 Target Industrial Applications
Electrocoagulation EC Water Treatment
The primary design target. This rectifier provides the exact amperage density required for destabilizing colloidal particles, oils, and heavy metals in industrial effluent streams. The polarity reversal function is specifically calibrated to prevent fouling of iron or aluminum anodes, maintaining consistent hydrogen bubble generation for flotation.
Heavy Metal Precipitation
Operates at lower voltages but high current to drive the reduction of dissolved metals (e.g., Chrome VI to Chrome III) and subsequent precipitation of metal hydroxides. The high stability of the DC output ensures that the reaction boundary layer at the cathode is maintained precisely.
Industrial Wastewater Flocculation
Solid separation efficiency is directly correlated to current density. The 0-2000A range allows operators to fine-tune the micro-flocculation phase, creating compact, dewaterable sludge without over-dosing electrical power.
Part 5 Customization and Tailored Engineering Services
This platform is built inside a factory that specializes in non-standard power solutions. We offer a full custom current voltage rectifier engineering service for 1V-1000V, 1A-100,000A. Input is AC single or three-phase; output is pure DC.
Control & Automation Interfaces
Process Timer: Built-in timing relay for batch cycle control.
Multi-Stage Profile Control: Store up to 10 separate process curves (current vs. time) for complex treatment sequences.
Ampere-Minute Integrator: Totalized charge counter for precise chemical dosing prediction and electrode life monitoring.
Automatic Reverse Polarity: Frequency adjustable from 0.0001Hz to 0.5Hz.
Soft-Start: Configurable ramp-up to eliminate hydraulic shock.
Communication: Standard RS485 Modbus RTU. Optional Ethernet TCP/IP gateway and 4-20mA analog control for direct PLC integration.
Pulse Functions: Adjustable from 1Hz to 3000Hz. This high-frequency pulse mode can reduce the Nernst diffusion layer thickness, significantly increasing mass transfer and reducing energy consumption for specific reactions.
All units are load-tested against a simulated electrolytic load bank prior to shipment. Contact our engineering team with your specific electrode configuration and water chemistry parameters for a matched power solution.