Designed for continuous pilot‑batch micro‑arc oxidation tasks, this water‑cooled high‑power MAO rectifier supplies robust pulse power to treat larger‑size aluminium, titanium and magnesium alloy components under sustained operating loads.
Water‑Cooled High‑Power MAO Rectifier fulfils the power demands of micro‑arc oxidation projects that run extended pilot‑batch cycles with larger‑dimension work‑pieces. In fact, bench‑top air‑cooled rectifiers often hit thermal limits when handling high‑current continuous duty; hence, labs and pilot workshops cannot sustain long‑time processing for medium‑scale alloy parts. Even so, this water‑cooled construction efficiently dissipates heat under heavy load, so users maintain stable output throughout lengthy test and production runs.
Rated for 100A 750V working specification, this water‑cooled high‑power MAO rectifier adopts heavy‑duty reinforced IGBT pulse conversion architecture optimised for continuous high‑power MAO workflows. Operators adjust pulse frequency and duty cycle via local control panel to match diverse alloy substrates and target coating performance requirements. After technicians complete power wiring and cooling‑water pipeline installation, researchers and workshop operators carry out non‑stop pilot‑batch processing. Meanwhile, upgraded arc‑suppression system plus multi‑layer safety protection responds rapidly to violent spark surges, and this protective mechanism safeguards alloy work‑pieces and internal high‑power circuit assemblies during long‑duration operating cycles.
This water‑cooled high‑power MAO rectifier adopts heavy‑load IGBT pulse conversion hardware, and operational efficiency stays above 88% under sustained pilot‑batch load. Unlike air‑cooled limited‑duty models, its water‑cooled structure removes thermal bottlenecks, so the unit keeps stable performance even during hours‑long continuous MAO processing.
Fast‑response closed‑loop feedback offsets subtle electrolyte property shifts as dense ceramic coatings build up on alloy surfaces. As a result, larger‑size test work‑pieces reduce burn‑related defects, and R&D and pilot teams obtain repeatable data for process scaling. Moreover, onboard memory stores multiple groups of pulse‑process presets, and operators can load validated parameter profiles instantly instead of manual re‑configuration for every new batch.
Optimised for heavy‑duty pilot‑scale MAO environments, internal power circuits strictly control output ripple across the full adjustment range. Accordingly, it delivers stable high‑power pulse energy to generate uniform, wear‑resistant ceramic protective layers for aluminium, titanium and magnesium alloy components.
| Parameter Category | Specific Item | Specification |
|---|---|---|
| Input Parameters | AC Input Power Supply | Three‑phase AC 380V, ±10% tolerance, 50‑60Hz |
| DC Output Parameters | Output Voltage Range | 0‑750V adjustable |
| DC Output Parameters | Output Current Range | 0‑100A adjustable |
| DC Output Parameters | Rated Total Output Power | 75kW |
| DC Output Parameters | Voltage Regulation Accuracy | ≤1% |
| DC Output Parameters | Current Regulation Accuracy | ≤1% |
| DC Output Parameters | Ripple Factor | ≤1% |
| Control and Automation Functions | Operating Modes | Constant Current, Constant Voltage, pulse mode |
| Control and Automation Functions | Pulse Settings | Frequency 100‑3000Hz, duty cycle 5‑100% stepless adjustable |
| Control and Automation Functions | Auxiliary Hardware | Local control panel, multi‑group recipe storage, experimental‑data log recorder |
| Control and Automation Functions | Programming Features | Parameter recall, output limit lock, historical alarm storage |
| Physical and Communication Parameters | Cooling Method | Water‑cooled |
| Physical and Communication Parameters | Protection Class | IP20 for indoor pilot‑workshop and laboratory environment |
| Physical and Communication Parameters | Communication Interface | RS485 Modbus RTU |
| Physical and Communication Parameters | Operating Efficiency | Above 88% |
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.
This water‑cooled high‑power MAO rectifier suits enterprise pilot‑test workshops, advanced material‑science institutes and heavy‑duty micro‑arc oxidation research projects. For instance, it performs micro‑arc oxidation treatment for large‑size titanium, magnesium and aluminium alloy parts, to test coating hardness, anti‑corrosion and anti‑wear performance under continuous processing conditions.
In addition, it serves as high‑power pilot‑grade pulse power hardware for teams transferring MAO formulas from lab coupons towards real‑size component trials. Apart from specimen processing, it supports high‑power pulse‑parameter comparison testing and process‑scalability assessment, providing valid experimental records for project iteration and technical documentation.
We specialise in manufacturing water‑cooled high‑power pulse rectifier hardware built for continuous‑duty pilot‑scale MAO processing scenarios. Most importantly, every finished unit completes high‑power pulse waveform calibration and full‑load ageing testing before shipment, ensuring stable 100A 750V performance through long‑time continuous working cycles.
Furthermore, we provide customisable adjustments for pulse‑parameter boundaries, control‑panel layout and communication protocols to satisfy diverse pilot‑workshop and laboratory requirements. Backed by remote technical guidance and stable spare‑parts supply, we deliver dependable rectifier solutions for your large‑specimen lightweight‑alloy surface‑modification projects.
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.
