Water Cooled
12V-15V 5000A-6000A 75KW Water Cooled High Frequency Plating Rectifier
- Output:12V/15V, 5000A-6000A
- Cooling:Closed-loop Deionized Water
- Control:CV/CC Digital Display + RS485
Heavy-Duty Power Conversion Engineering
Industrial-Grade DC Precision Built for Rigorous Environments
In demanding industrial manufacturing environments, power stability and electrical efficiency dictate production output and operating margins. As an experienced designer and export-oriented manufacturer headquartered in Guangdong, China, Guangdong Fenvix Technology Co., Ltd. builds high-capacity DC power systems configured for diverse international applications, including emerging heavy-industry sectors, manufacturing plants, and chemical processing facilities serving North Korea. Whether modernizing aging legacy thyristor rectifiers or commissioning continuous automated electroplating lines, our comprehensive product portfolio delivers switch-mode high-frequency energy conversion designed to withstand wide voltage variations, extreme thermal loads, and corrosive atmospheric dust.
13+
Years of Power R&D
3,000 m²
Production Floor
Up to 15,000A
Output Capacity
0 MOQ
Custom Pilot & OEM Batch
Precision Product Recommendations
Top-Ranked Programmable DC Power Supplies & Rectifiers
Explore factory-direct rectifiers and high-voltage programmable systems designed for continuous operation, rugged reliability, and full analog/digital control.
Heavy Duty
12V 4000A 48kW High-Frequency Switch Mode Plating Rectifier
- Power:48 kW High Efficiency
- Topology:IGBT Switch Mode >90%
- Application:Zinc, Nickel, Barrel Lines
High Current
8000A 12V Water-Cooled Galvanizing & Chrome Rectifier
- Current:8000A Continuous Run
- Protection:Over-temp, Short, Phase loss
- Sealing:Anti-corrosion Sealed Enclosure
Anodizing
100A–3000A Digital Anodic Oxidation Adjustable DC Source
- Voltage:12V / 24V / 60V Adjustable
- Function:Multi-step Ramp & Timer
- Suitability:Aluminum Profile Anodizing
Electrolysis
300kW 20V 15000A Water-Cooled Electrolysis DC Rectifier
- Capacity:300 kW / 15,000A
- Operation:24/7 Heavy Chemical Duty
- Efficiency:Synchronous Rectification
Polarity Reversing
48V 625A 30kW Auto Polarity-Reversing DC Power Supply
- Feature:Automated Polarity Switch
- Cycle:0–9999s Precision Timing
- Application:Water Descaling & Treatment
HV Programmable
800V 50A 20kW High-Voltage Programmable Test Source
- Voltage Span:0–800V Continuous Setting
- Ripple:Ultra-low ≤0.2% RMS
- Interface:RS485 Modbus / 0-10V Analog
Solid State AC
40kVA–500kVA Solid-State Static Frequency Converter
- Input/Output:50Hz/60Hz to 400Hz or 60Hz
- Rating:40kVA to 500kVA Modular
- Deployment:Export Testing, Hangars, Marine
Regional Industrial Implementation
Localized Engineering Application Scenarios Serving North Korea
Analyzing specific manufacturing infrastructure, mineral extraction, and metallurgical operations requiring high-performance programmable DC switching power.
Non-Ferrous Smelting & Hydrometallurgy
Mining and refining complexes—including zinc, copper, and rare-metal refining operations across Hamgyong and Pyongan regions—require uninterrupted high-current DC power for electrolytic cell refining. Fenvix heavy-duty rectifiers provide stable 15–30V outputs with amperage scaling beyond 10,000A, maintaining stable current density despite grid harmonic disturbances.
Industrial Surface Treatment & Hard Galvanizing
Heavy machinery builders and automotive manufacturing workshops require dense, corrosion-resistant anti-wear coatings. Our programmable rectifiers supply constant-current (CC) and pulse-reverse waveforms that eliminate hydrogen embrittlement during hard-chrome plating, zinc-nickel deposition, and anti-acid tank passivations.
Aluminum Architectural & Hard Anodizing
Civil infrastructure renewal in Pyongyang and municipal reconstruction demand large volumes of structural aluminum profiles. Fenvix anodic oxidation power supplies deliver programmable soft-start voltage ramps up to 150V, mitigating thermal shock and ensuring uniform oxide layer formation across dense extrusion batches.
Chlor-Alkali & Chemical Synthesis
Chemical synthesis plants producing chlorine, caustic soda, and agricultural fertilizers rely heavily on continuous electrochemical membrane cells. Fenvix supplies water-cooled, hermetically enclosed 300kW rectification cabinets that isolate sensitive electronics from ambient hydrochloric fumes and corrosive moisture.
Circulating Water Scale Prevention & Desalination
Industrial steam generation, steel mills, and coastal chemical plants face severe heat-exchanger scaling. Our automated polarity-reversing DC power units dynamically alternate electrode polarities (0–9999s) to break down calcium carbonate scales without requiring expensive chemical descalers.
Electrical Equipment Burn-in & Quality Validation
Research centers and electronics manufacturers utilize Fenvix 0–800V programmable high-voltage DC supplies for testing insulation, traction motor windings, capacitor charging arrays, and power electronics under simulated input voltage sags and surge spikes.
Modernization & Efficiency Trajectory
Localized Industrial Development Trends Influencing Sourcing
Industrial equipment procurement across regional Northeast Asian factories is undergoing a structural transition from inefficient, maintenance-heavy equipment toward high-frequency switch-mode power architecture.
Phase-out of Legacy SCR Rectifiers
Traditional silicon-controlled rectifiers (SCR) suffer from low power factors (0.65–0.75), large footprints, and high electrical losses. Modernized factories are retrofitting installations with IGBT switch-mode power supplies, achieving operating efficiencies exceeding 90% and power factors up to 0.95, directly reducing power grid loading.
Grid Fluctuations & Wide-Input Tolerance
Regional transmission lines frequently experience voltage sags of ±15% to ±20%. Fenvix designs custom input filtering stages and wide-range PWM switching controllers that sustain continuous current output without tripping over-voltage or under-voltage protection during transient spikes.
Demand for Embedded Modbus & Digital Integration
Factory managers are implementing localized SCADA and PLC control networks. Our programmable units feature RS485 communication protocols, analog 0–10V/4–20mA interfaces, and precise real-time telemetry, enabling centralized multi-tank supervision from a single operator control console.
Engineering Selection Matrix
Process Sizing & Model Selection Guide
Select recommended output parameters and cooling methods based on target electrochemical and metallurgical operations.
| Target Process | Typical Voltage Range | Current Range | Cooling Mechanism | Recommended Topology |
|---|---|---|---|---|
| Precious Metal Plating (Au, Ag, Cu) | 0 – 12V DC | 100A – 500A | Forced Air Cooling | High Frequency IGBT (Switch Mode) |
| Continuous Zinc / Nickel Plating | 0 – 15V / 18V DC | 3,000A – 8,000A | Water-Cooled / Sealed Air | Multi-Module Parallel High Current |
| Hard Chrome Plating Lines | 0 – 15V / 24V DC | 5,000A – 15,000A | Deionized Water Cooled | Ultra-low Ripple (≤2%) CC/CV |
| Aluminum Architectural Anodizing | 0 – 24V / 60V DC | 500A – 5,000A | Forced Air / Water | Step-Voltage Programmable Ramp |
| Titanium Alloy Hard Anodizing | 0 – 150V DC | 50A – 300A | Forced Air Cooling | High Voltage Constant Current (CC) |
| Electrochemical Descaling (Water) | 0 – 48V DC | 200A – 1,000A | Forced Air (Anti-corrosion) | Automated H-Bridge Polarity Reversal |
| Industrial Smelting & Chlor-Alkali | 0 – 20V / 36V DC | 5,000A – 15,000A+ | Industrial Closed Water Circuit | Heavy Duty Industrial Rectifier Cabinet |
| High Voltage Research & Test Benches | 0 – 800V / 3,200V DC | 10A – 100A | Forced Air / Oil Insulation | Digital Programmable Laboratory Source |
Note: Non-standard 220V, 380V, 415V, and 440V 3-phase inputs are custom built to client site specifications. Contact our engineering team for power calculation sheets.
Direct Manufacturing Authority
Why International Industrial Buyers Choose Fenvix
Verified manufacturing capabilities in Guangdong, China backed by direct engineering support, independent audits, and rigorous quality testing.
Complete In-House Fabrication
Unlike trading companies, Fenvix maintains complete mechanical and electrical fabrication workshops in Guangzhou. From sheet-metal shearing, punching, and milling to copper busbar bending and transformer winding, we control structural durability and lead-time without subcontracting bottlenecks.
100% Load-Testing & Burn-In
Every DC power unit and high-current rectifier undergoes full-load testing on our high-power resistive and inductive test benches. Oscilloscope ripple analysis, thermal imaging, and high-voltage insulation dielectric tests ensure trouble-free commissioning at the destination site.
TÜV Rheinland Verified Facility
Our manufacturing operations are ISO 9001 certified and have been inspected on-site by TÜV Rheinland. Selected series hold formal CE, RoHS, LVD, and EMC conformities, validating electromagnetic stability and mechanical safety under continuous factory duty.
Flexible MOQ: Prototypes to Batches
We eliminate high order hurdles for industrial engineering teams. We support single-unit custom orders (MOQ = 1) for specialized chemical pilot plants and municipal testing, as well as full-container volume production for OEM equipment integrators.
Rugged Environmental Isolation
Corrosive plating fumes, high ambient heat, and chemical humidity rapidly degrade standard commercial equipment. We utilize vacuum pressure impregnated (VPI) copper transformers, conformal-coated control PCBs, and sealed IP54/IP55 water-cooled enclosures designed for hostile environments.
Multilateral Trade & Cross-Border Logistics
With extensive export experience, we handle complex international commercial delivery terms including FOB, CIF, EXW, and cross-border transport channels. Multiple currency options (CNY, USD, EUR) and secure T/T or L/C payment settlement options are fully supported.
Procurement & Engineering FAQ
Frequently Asked Questions by Industrial Sourcing Teams
Key technical and commercial considerations for purchasing programmable DC power supplies and heavy rectifiers from China.
What technical specifications are required to receive an accurate custom rectifier quotation?
To ensure appropriate sizing of the power stage and thermal cooling, please provide: (1) AC input voltage, phase, and frequency (e.g., 380V ±15%, 3-phase, 50Hz); (2) Rated output DC voltage and continuous current (e.g., 15V / 5000A); (3) Control operating mode (Constant Current CC, Constant Voltage CV, or automated crossover); (4) Maximum permissible output ripple factor; (5) Cooling preference (forced air-cooling or closed-loop deionized water cooling); (6) Control interface requirements (e.g., local digital touch panel, 0–10V analog, or RS485 Modbus); and (7) Operating environment specifics (such as acid fumes or ambient temperatures up to 45°C).
How do high-frequency IGBT switch-mode rectifiers compare with traditional thyristor (SCR) rectifiers?
High-frequency switch-mode rectifiers (operating at 20kHz–50kHz) offer massive operational advantages over legacy SCR units: (1) Overall efficiency increases from ~70% to >90%, substantially reducing monthly electricity expenses; (2) Cabinet footprint and total equipment weight are reduced by 60–70%, lowering shipping costs and easing floor-space constraints; (3) Output ripple is significantly lower (≤1–2% compared to 5–8% on SCRs), resulting in smoother plating grain and superior coating adhesion; and (4) Dynamic response time is sub-millisecond, protecting against short-circuit work-piece burnouts.
When is water cooling recommended over forced air cooling in heavy industrial applications?
Water cooling is strongly recommended when: (1) Output currents exceed 3000A to 5000A, where air heatsinks become excessively bulky; (2) The facility operates 24/7 in hot, unconditioned ambient air (>35°C); and (3) The surrounding air contains corrosive acidic or alkaline fumes (such as electroplating tanks, hydrochloric pickling, or chlor-alkali synthesis). Water-cooled units are completely sealed, isolating the internal IGBT modules, diodes, and control boards from atmospheric contaminants.
What measures ensure equipment durability against regional power grid instability?
To safeguard our equipment against voltage surges, sags, and phase imbalance common in developing industrial grids, Fenvix incorporates heavy-duty metal oxide varistors (MOVs) at the AC input, galvanic isolation transformers, input phase-loss protection, fast-acting electronic circuit breakers, and broad-tolerance PWM regulation that maintains stable DC output across AC variations of ±15% or wider.
Can Fenvix accommodate single-unit prototype or replacement orders?
Yes. We enforce no minimum order quantity (MOQ = 1 set). We routinely engineer individual custom power supplies for pilot production lines, scientific research applications, and replacement of discontinued Russian or domestic legacy units, while maintaining scalable production capacity for large industrial expansion projects.
What trade terms and cross-border delivery arrangements are supported?
We provide full flexibility in international commercial terms, supporting EXW, FOB (Guangzhou, Shenzhen, Ningbo, or Dandong borders), CFR, and CIF. We can deliver goods to designated international freight forwarders, railway transshipment hubs, or coastal ports, packaged in compliant seaworthy fumigated wooden cases with comprehensive bilingual technical manuals, schematics, and factory acceptance test reports.