Part 1: Key Features & Engineering Highlights
– The GAOHUI 30V 5000A DC power supply is engineered specifically for alkaline water electrolysis and PEM electrolyzer stack applications, providing the precise, stable current required for high-efficiency green hydrogen production.
– As a leading IGBT rectifier manufacturer, we integrate advanced high-frequency switching technology to achieve superior energy conversion efficiency above 92%, reducing operational costs for your industrial high frequency rectifier factory.
– This heavy-duty DC power supply price offers exceptional value through its modular design, enabling seamless scalability from 1A to 100,000A and 1V to 1000V, making it a versatile custom current voltage rectifier for evolving hydrogen projects.
– The rectifier features a robust 18-pulse transformer and IGBT inverter stage, minimizing harmonic distortion and ensuring compliance with IEEE 519 standards, critical for sensitive electrolysis environments.
– All units undergo rigorous 72-hour burn-in testing at full load, ensuring reliability for continuous 24/7 hydrogen production operations.
Part 2: Technical Specifications Table
| Model | GAOHUI-HER-3050 |
| Input Voltage | 380V AC ±10%, 3-Phase, 50/60Hz (Custom input available) |
| Output Voltage | 0-30V DC (Continuously Adjustable) |
| Output Current | 0-5000A DC (Continuously Adjustable) |
| Output Power | 150kW |
| Ripple | Less than 1% RMS at full load |
| Efficiency | Greater than 92% at full load |
| Cooling Method | Forced Air Cooling (Water Cooling optional) |
| Display | 7-inch HMI Touch Screen with Real-Time Monitoring |
| Communication | RS485 Modbus RTU, Ethernet, 4-20mA Analog Interface |
| Protection Class | IP21 (IP54 optional for harsh environments) |
| Dimensions (W x D x H) | 1200mm x 800mm x 1800mm |
| Weight | Approximately 850 kg |
Part 3: Advanced Built-in Protection Systems
The GAOHUI 30V 5000A rectifier is equipped with a comprehensive suite of protection systems to safeguard both the power supply and the electrolyzer stack. These include instantaneous overcurrent protection (OCP), overvoltage protection (OVP), under-voltage lockout, and overtemperature shutdown with automatic fan speed control. An electronic short-circuit protection system limits output current to safe levels without tripping breakers, ensuring uninterrupted hydrogen production. Additionally, the unit features phase loss detection, input surge suppression, and a ground fault monitoring circuit that provides immediate alerts via the HMI and remote communication interfaces. All protection thresholds are user-configurable through the intuitive touch screen, allowing fine-tuning for specific PEM or alkaline electrolysis conditions.
Part 4: Target Industrial Applications
This power supply is optimized for green hydrogen production via water electrolysis, supporting both alkaline and PEM electrolyzer technologies. It is also ideal for related electrochemical processes such as electrowinning of metals, hard anodizing of aluminum components, electroforming for precision manufacturing, and precious metal plating in the jewelry and electronics industries. The rectifier’s low ripple and precise control make it suitable for laboratory-scale electrolysis research and pilot plants, as well as large-scale industrial hydrogen farms.
Part 5: Customization and Tailored Engineering Services
As a dedicated custom current voltage rectifier factory, GAOHUI offers full engineering flexibility for the 30V 5000A platform. Output can be tailored from 1V to 1000V and 1A to 100,000A, with input options including 208V, 480V, 600V, or 690V AC three-phase. Optional functional modules include a Digital Process Timer for batch control, a Multi-Stage Programmable Profile Control for complex electrolysis sequences, an Ampere-Minute Integrator for total charge tracking, and Automatic Reverse Polarity for periodic electrode cleaning. The Soft-Start Ramp-Up function prevents inrush current damage to the electrolyzer stack. Local/Remote Control is available via push-button panel or 7-inch HMI Touch Screen. Communication interfaces include RS485 Modbus RTU, Ethernet, and 4-20mA analog outputs. For specialized applications, Pulse Functions are available with adjustable duty cycle from 1% to 100% and frequency from 1Hz to 3000Hz, enhancing gas evolution efficiency. All customizations are designed and manufactured in-house to ensure rapid delivery and rigorous quality control.





Reviews
There are no reviews yet.