Built with six‑unit N+1 parallel architecture, this hard chrome dedicated rectifier with automatic commutation delivers reliable high‑current DC power for non‑stop large‑scale hard chrome plating workflows.
N+1 Parallel Hard Chrome Dedicated Rectifier targets large‑capacity hard chrome plating workshops that cannot afford unexpected production downtime. Heavy‑duty workpieces such as large press rolls, mine machinery assemblies and thick‑walled hydraulic components require consistent high‑current supply alongside periodic current reversal to gain dense, smooth chrome layers. Traditional single‑unit high‑current rectifiers bring total production halt once internal faults emerge, which creates heavy economic loss for mass‑production lines.
Configured with 6 units N+1 parallel structure and integrated automatic commutation function, this 20000A 15V hard chrome dedicated rectifier adopts distributed power output design. If one single module triggers failure, remaining units keep running to maintain partial output without full‑line shutdown. Operators set forward‑reverse timing cycles directly on the human‑machine interface to match different plating bath formulas and workpiece surface requirements. Meanwhile, real‑time status feedback for every parallel module helps technicians locate abnormal points quickly during round‑the‑clock manufacturing.
This N+1 parallel hard chrome dedicated rectifier applies mature IGBT high‑frequency conversion technology and keeps overall system efficiency above 91%. Different from standalone high‑current rectifier equipment, redundant parallel architecture greatly improves system reliability for continuous‑run plating plants.
Each power unit runs with load‑sharing logic, so overall heat stress spreads across multiple cabinets instead of concentrating on single hardware. In addition, the integrated automatic commutation function removes extra external reversing device, saving workshop installation space and reducing intermediate circuit failure points. Fast‑response adjustment compensates load variation while workpieces go in and out of plating tanks, stabilizing coating quality for every production batch.
Every parallel cabinet undergoes individual aging test before delivery. The whole system maintains low‑ripple DC output under combined 20000A full‑load condition, laying solid power support for standardized large‑volume hard‑chrome treatment.
| 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 | 0‑15V adjustable |
| DC Output Parameters | Output Current Range | 0‑20000A adjustable（6 units N+1 parallel） |
| DC Output Parameters | Rated Output Power | 300kW |
| 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, automatic commutation cycle |
| Control and Automation Functions | Auxiliary Hardware | Touch screen control, ampere‑hour counter, multi‑module fault log |
| Control and Automation Functions | Programming Features | Commutation time setting, output limit lock, historical alarm storage |
| Physical and Communication Parameters | Cooling Method | Water‑cooled for each independent unit |
| Physical and Communication Parameters | Protection Class | IP20 for indoor industrial plating workshop |
| Physical and Communication Parameters | Communication Interface | RS485 Modbus RTU |
| Physical and Communication Parameters | Operating Efficiency | Above 91% |
We can provide
This N+1 parallel hard chrome dedicated rectifier comes with standard factory warranty and achieves long service life under normative working conditions. N+1 redundant parallel function and automatic commutation module belong to standard configuration. Modular cabinet structure supports separate unit inspection and replacement without stopping production lines. Our technical team offers parallel‑system debugging, commutation‑parameter tuning and complete after‑sales service according to your tank volume, workpiece categories and actual production rhythm.
This N+1 parallel hard chrome dedicated rectifier suits large‑scale hard chrome plating, heavy mechanical part restoration and metal surface strengthening projects. It fits production lines for large industrial rollers, heavy hydraulic cylinders, mining equipment components and other oversized workpieces which require periodic reverse current treatment.
It acts as ideal power solution for large metal‑finishing factories pursuing high uptime rate. Beyond mass production tasks, it also supports plating‑bath formula testing and commutation‑process verification, supplying credible power data for craft optimization and quality traceability.
We concentrate on researching and manufacturing high‑reliability parallel rectifier systems for harsh plating‑shop environments. Every single power cabinet passes independent full‑load aging inspection, and the whole parallel system completes combined linkage testing before shipment.
We accept personalized adjustment for parallel quantity, commutation logic and cabinet layout to match diverse workshop site conditions and process requirements. With full‑life‑cycle services including on‑site commissioning guidance, remote fault diagnosis and stable spare‑parts supply, we deliver trustworthy high‑current power solutions for your hard‑chrome plating production lines.
Learn more about related products：60000A 15V water-cooled Hard Chrome Rectifier with Automatic commutation (3 buildings x N+1 parallel operation)
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.
