Output: 0-750V DC / 0-5A Adjustable
Power: 3.75kW Maximum
Technology: Single-Pulse Micro-Arc Oxidation (PEO)
Best For: Ceramic Coating R&D, Lightweight Alloy Surface Treatment, Aerospace & Biomedical Materials
The 5A 750V single-pulse rectifier delivers specialized high-voltage energy pulses for Plasma Electrolytic Oxidation research. Specifically, this micro-arc oxidation power supply enables precise control over PEO processes. Consequently, researchers can develop advanced ceramic coatings with tailored properties. Furthermore, it supports applications on aluminum, magnesium, and titanium alloys.
| Parameter | Specification |
|---|---|
| Input Power | 3-Phase 380VAC, 50/60Hz |
| DC Output | 0-750V / 0-5A |
| Pulse Mode | Single-Pulse Operation |
| Pulse Frequency | 10-1000 Hz Adjustable |
| Duty Cycle | 5-50% (Optimized for PEO) |
| Rise Time | < 50 µs |
| Control Interface | Digital Touchscreen HMI |
| Process Recipes | 20+ Programmable Presets |
| Data Logging | V, I, t Data Recording & Export |
| Cooling | Air Cooling |
| Protections | Arc Detection, OVP, OCP, OTP, Ground Fault |
| Single Pulse | ||||||
| No. | Model | Forward Current (A) | Forward Voltage (V) | Input Voltage (V) | Cooling Method | W×L×H (mm) |
| 1 | 5A750V | 5 | 750 | 220 | Air-cooled | 290×520×190 |
| 2 | 10A750V | 10 | 750 | 380 | Air-cooled | 510×560×230 |
| 3 | 20A750V | 20 | 750 | 380 | Air-cooled | 560×760×320 |
| 4 | 30A750V | 30 | 750 | 380 | Air-cooled | 560×760×320 |
| 5 | 50A750V | 50 | 750 | 380 | Air-cooled | 520×580×930 |
| 6 | 100A750V | 100 | 750 | 380 | Air-cooled | 580×650×1650 |
| 7 | 200A750V | 200 | 750 | 380 | Water-cooled | 850×1130×1630 |
| 8 | 300A750V | 300 | 750 | 380 | Water-cooled | 800×1270×1700 |
| 9 | 500A750V | 500 | 750 | 380 | Water-cooled | 800×1270×1900 |
| Dual Pulse | ||||||||
| No. | Model | Forward Current (A) | Forward Voltage (V) | Reverse Current (A) | Reverse Voltage (V) | Input Voltage (V) | Cooling Method | Dimensions (mm) |
| 1 | 10A750V | 10 | 750 | 3 | 300 | 380 | Air-cooled | 510×560×230 |
| 2 | 30A750V | 30 | 750 | 10 | 300 | 380 | Air-cooled | 560×760×320 |
| 3 | 50A750V | 50 | 750 | 15 | 300 | 380 | Air-cooled | 520×580×930 |
| 4 | 100A750V | 100 | 750 | 30 | 300 | 380 | Air-cooled | 580×650×1650 |
| 5 | 200A750V | 200 | 750 | 50 | 300 | 380 | Water-cooled | 850×1130×1630 |
| 6 | 300A750V | 300 | 750 | 100 | 300 | 380 | Water-cooled | 800×1270×1700 |
| 7 | 500A750V | 500 | 750 | 150 | 300 | 380 | Water-cooled | 800×1270×1900 |
Power（KW） = Output Voltage（V） × Output Current（A）
The product comes with a one-year warranty and boasts a service life of over 10 years. It supports both Constant Current and Constant Voltage modes, and it also includes a programmable ramp-up function for current or voltage settings. For time-sensitive applications, you can use the timed operation mode. Moreover, the multi-segment function allows you to vary constant current or voltage levels over time. The device further offers an RS485 communication interface, automatic polarity reversal, and a minute-level timing function. If you need customization, please contact us for further details.
Over all, GAOHUI provides complete single-pulse and dual-pulse models with air-cooled and water-cooled options. Accordingly, these units fit different production scales and process requirements.
Shows the peak voltage of the current pulse, a key parameter affecting coating strength.
Displays the average current over the working cycle to monitor reaction stability.
Set total time: Total process duration.
Total running time: Elapsed working time.
Cumulative ampere-minutes: Total current-time value for coating thickness control.
Multi-station ID for managing different workpiece processes.
Indicates disconnection from remote/host system, local control mode.
Constant current mode, the most common for micro-arc oxidation.
Press to immediately terminate the oxidation process.
Process stage: Current running step in multi-step program.
Ramp-up time: Time for voltage/current to rise to set value, avoiding impact.
Peak voltage limit: Maximum pulse voltage to prevent breakdown.
Frequency (Hz): Pulse working frequency, affects coating density.
Current stage: Current process segment number.
Hold time: Duration of current segment.
Average current setting: Target average current value.
Pulse "on" time percentage in one cycle, affects heat input and coating structure.
Button to start or stop the process.
Toggle between CV and CC control modes.
Pause or resume the ongoing process.
Access multi-step program editor for complex recipes.
Choose between single segment or multi-segment process.
Shows currently loaded/running process recipe.
Opens system configuration menu.
Manufacturer/support contact information.
View historical voltage/current trend graphs.
Visualizes real-time/historical voltage/current curve.
Displays the peak current value of the pulse.
Displays the average voltage over the working cycle.
Shows system date and time.
Shows the peak value of the positive pulse voltage.
Displays the average current of the positive pulse over the working cycle.
Shows the average voltage of the positive pulse over the working cycle.
Displays the peak value of the positive pulse current.
Shows the current running process number.
Sets the time for voltage/current to rise slowly from zero to the set value.
Shows the current running segment number in multi-stage processes.
Sets the duration for the current process segment.
Manufacturer/support contact information.
Shows the average voltage of the negative pulse over the working cycle.
Displays the peak value of the negative pulse current.
Shows the peak value of the negative pulse voltage.
Displays the average current of the negative pulse over the working cycle.
Sets the maximum allowed positive pulse voltage to prevent workpiece breakdown.
Sets the target average current value for the positive pulse.
Set total time: Total process duration.
Total running time: Elapsed working time.
Cumulative ampere-minutes: Total current-time value for coating thickness control.
Opens the system configuration menu.
Accesses the multi-step program editor to create complex recipes.
Selects between running a single segment or a multi-segment process.
Displays the currently loaded or running process recipe.
Temporarily pauses or resumes the ongoing process.
Toggles between constant voltage and constant current control modes.
Multi-station ID for managing different workpiece processes.
Indicates disconnection from the remote/host system, local control mode.
Current operating mode: constant current control.
Press to immediately terminate the oxidation process.
Positive: Pulse frequency, duty cycle, number of pulses.
Negative: Pulse frequency, duty cycle, number of pulses.
Main button to start or stop the entire process.
This rectifier drives innovation in advanced surface engineering. These applications include, for example:
In Aerospace Material Development, researchers use it to create thermal barrier and corrosion-resistant coatings on lightweight alloys. Specifically, the single-pulse approach allows controlled growth of thick, adherent ceramic layers. Therefore, it suits extreme environment applications.
For Biomedical Implant Research, this rectifier forms bioactive ceramic surfaces on titanium substrates. Specifically, precise pulse control enables optimization of coating porosity. Additionally, it optimizes composition for enhanced osseointegration. Thus, it supports medical device innovation.
In Automotive & Electronics Applications, it develops PEO coatings for improved wear resistance and thermal management. Furthermore, the process enhances durability and functionality of critical components. Consequently, it enables advanced lightweight designs.
For Fundamental PEO Studies, scientists utilize this single-pulse rectifier to investigate plasma discharge mechanisms. Additionally, they explore coating formation kinetics. Therefore, it serves as an essential tool for advancing micro-arc oxidation science.
Ultimately, this 5A 750V rectifier represents a specialized research tool. Specifically, it provides the controlled high-voltage energy necessary to explore next-generation ceramic coatings. Thus, it enables innovation through advanced PEO technology.
High-Voltage Precision: Firstly, the unit delivers 750V pulses with <50 µs rise time. Therefore, this single-pulse rectifier enables stable plasma discharge initiation. Additionally, it ensures consistent ceramic layer formation.
Flexible Process Control: Secondly, adjustable frequency and duty cycle allow parameter optimization. Specifically, researchers can tailor coating properties for specific applications. Thus, this single-pulse rectifier delivers exceptional versatility.
Comprehensive Protection: Moreover, intelligent arc detection prevents coating defects. Additionally, multiple safety features protect both equipment and users. Therefore, this single-pulse rectifier ensures safe laboratory operation.
Research-Ready Design: Finally, the touchscreen HMI simplifies operation. Furthermore, recipe management supports reproducible experiments. Thus, this single-pulse rectifier is ideal for systematic PEO research.
A: Products with the same nominal specifications often serve different industries, and they may carry different detailed parameter requirements. These differences directly affect production costs and technical solutions, so final prices will vary accordingly. For this reason, we recommend you contact us directly to receive a precise and tailored quotation.
A: We assign specialized consultants to support each industry sector. If you need further information, simply reach out to us. After we confirm your request, we will immediately send you the full technical datasheets and product images you need.
A: We focus on custom non-standard industrial power supplies, so we can fully adjust output current and voltage to match your exact needs. The products shown on our website only represent part of our actual range, as we do not list every model online. If you cannot find your desired specifications, please contact us directly. We will work with you to confirm your exact requirements, or we can guide you to select the most suitable parameters based on your industry standards. We will provide complete technical specifications and dimension drawings so you can fully understand the product.
