Featured Model
Precision Rectification Fleet
High-Current Pulse & DC Power Supplies for North Macedonia
Manufactured under strict ISO 9001 quality supervision, these factory-direct power supplies are configured to standard European industrial voltages (380V/400V 50Hz) and tested under full continuous load for heavy industrial electrodeposition.
CE Certified
12V 150A Precision High-Frequency Plating Rectifier
Heavy Industry
12V 4000A 48kW Heavy-Duty Switch-Mode Rectifier
Anti-Corrosion
8000A 12V High-Output Water-Cooled Plating Rectifier
Anodizing
100A–3000A Programmable Anodizing DC Power Supply
Alloy Special
150V 50A Titanium & Aerospace Anodizing Rectifier
Pulse / Reversing
48V 625A Auto Polarity-Reversing Pulse Power Supply
Megawatt Class
300kW 20V 15000A Water-Cooled Electrolysis Rectifier
Local Ecosystem Analysis
Optimizing Pulse Electrodeposition for the North Macedonian Industrial Fabric
North Macedonia's transition into a primary tier-1 and tier-2 automotive component export hub across the Western Balkans demands modern surface protection technologies. Pulse electroplating rectifiers replace obsolete silicon controlled rectifiers (SCR) to meet strict European Union corrosion resistance benchmarks.
TIRZ Automotive Clusters (Skopje & Bunardzik)
Technological Industrial Development Zones (TIRZ) house multinational manufacturers delivering electronic wiring harnesses, catalytic converters, and precision machined stampings for German and Central European automotive OEMs. Periodic reverse pulse power supplies drastically improve throw power in deep blind micro-vias and tight mechanical recesses, eliminating uneven edge buildup in high-density components.
Ohrid & Bitola Precision Metalworking
The industrial corridor spanning Bitola, Ohrid, and Prilep focuses heavily on metal forming, heavy agricultural machinery, industrial fittings, and specialized die manufacturing. Our water-cooled pulse rectifiers provide continuous cathodic polarization while minimizing hydrogen embrittlement in high-tensile fasteners, hardened gear profiles, and hydraulic valves undergoing heavy hard-chromium plating.
Alloy Extrusion & Surface Passivation
Regional architectural aluminium extrusion and zinc galvanizing plants demand tight energy efficiency due to Western Balkan grid tariffs. Fenvix high-frequency IGBT units operate at a power factor exceeding 0.95, slashing reactive power charges and optimizing chemical bath consumption through consistent, ultra-low ripple voltage delivery.
Engineering Whitepaper
Comparative Performance Matrix: Forward/Reverse Pulse vs. Traditional SCR Rectification
A quantified metallurgical and electrical comparison showing why Macedonian electroplating lines are replacing legacy thyristor systems with programmable pulse power supplies.
| Performance Parameter | Legacy Thyristor / SCR Rectifier | High-Frequency DC IGBT System | Fenvix Dual-Pulse & Periodic Reverse System |
|---|---|---|---|
| Current Density Limit | Low (Burn risks at edges: 2-4 A/dm²) | Moderate (Stable CC mode: 4-6 A/dm²) | Very High (Up to 15-25 A/dm² Peak) |
| Microstructure & Grain Size | Coarse, columnar crystal growth | Fine crystalline morphology | Ultra-dense equiaxed nanograins (< 50nm) |
| Hydrogen Embrittlement Risk | High (Continuous proton reduction) | Moderate (Linear potential gradient) | Minimized (Hydrogen desorbs during t-off/reverse cycle) |
| Precious Metal Bath Efficiency | Standard over-consumption (15-25% waste) | Improved distribution uniformity | Saves 18-35% in Gold (Au), Silver (Ag), and Nickel (Ni) |
| Grid Electrical Efficiency | 68% - 76% (High phase distortion) | 88% - 91% (High-frequency conversion) | 90% - 93% (Cos φ ≥ 0.95 low harmonic distortion) |
| Throwing Power in Blind Holes | Poor (Substantial dog-bone effect) | Standard European tolerance | Near 1:1 plating ratio in deep high-aspect trenches |
The Electrochemistry of Pulse Duty Cycles
In standard DC electroplating, a continuous cathodic diffusion layer builds rapidly at the substrate boundary. This depleted zone starves metal ion concentrations, forcing operational amperages down to prevent burning, pitting, and dendritic growth.
Fenvix pulse electroplating power supplies introduce programmable pulse-on ($T_{on}$) and pulse-off ($T_{off}$) microsecond intervals. During $T_{on}$, an intense capacitive burst deposits metal ions under high overpotential, instigating massive crystal nucleation. During $T_{off}$, current drops to zero or reverses into an anodic pulse, replenishing the local ion concentration while selectively dissolving microscopic nodules and discharging trapped molecular hydrogen gas.
- Frequency Adjustability: 10Hz up to 50kHz precision tuning for electroforming and reel-to-reel plating.
- Periodic Reverse Switching: Ultra-fast IGBT bridge swaps polarity without mechanical contact wear.
- Automated Passivation Resistance: Prevents passive oxide film barrier formation during functional chrome and zinc-nickel runs.
Enterprise Reliability & Authority
Guangdong Fenvix Technology: Industrial Engineering Since 2013
Operating from our 3,000m² specialized power equipment manufacturing facility in Guangdong, China, Fenvix supplies demanding metallurgical, chemical, and aviation enterprises across five continents. Verified on-site by TÜV Rheinland.
Full In-House Fabrication & Engineering Control
Unlike export traders or assembly assemblers who outsource sheet metal and magnetic winding, Fenvix maintains complete vertical control over heavy mechanical fabrication, CNC busbar milling, CNC drilling, transformer winding, and cabinet coating.
Every single power unit earmarked for North Macedonia and the European customs corridor undergoes mandatory 100% full-current burn-in testing under real resistive dummy loads, followed by detailed digital oscilloscope validation for pulse rise time, peak ripple, and thermal balance.
13+
Years Power R&D
3,000m²
Production Floor
15,000A
Max Amperage Capacity
0 MOQ
Custom Prototype Support
ISO 9001:2015 Audited
Documented traceability from incoming cold-rolled silicon sheets and Infineon IGBT modules to finished seaworthy crate sealing.
Digital Smart Integration
Native RS485 Modbus, Profibus, CANopen, and isolated 0-10V/4-20mA analog interfaces allow seamless SCADA and PLC synchronization.
European Trade Terms
Flexible DDP (Delivered Duty Paid), CIF Thessaloniki/Durrës, FOB, and EXW agreements, transacting conveniently in EUR and USD.
Direct Engineering Support
Direct communication with certified power electronic engineers for custom waveform profiling and tank busbar dimensioning.
Procurement Clarity
Frequently Asked Questions by Industrial Buyers in North Macedonia
Addressing engineering specifications, logistical routes, grid compliance, and operational best practices for electroplating equipment procurement.
How do Fenvix power supplies comply with the electrical power grid in North Macedonia?
Our systems destined for North Macedonia and the broader European market are engineered for 380V–400V 3-phase AC ±10% at 50Hz, fully compliant with EN 60204-1 and EN 61000 standards. Our power cabinets integrate robust internal Surge Protective Devices (SPD) and Line Phase-Loss monitoring relays to safeguard delicate IGBT modules against grid sags or industrial voltage fluctuations.
Which logistics corridors are utilized for fast machinery transit into North Macedonia?
For ocean freight shipments from our factory in Guangzhou/Shenzhen, containers regularly route through the Port of Thessaloniki (Greece) or Port of Durrës (Albania), reaching customs terminals in Skopje, Kumanovo, or Bitola via bonded road transport within 28–35 days. For critical maintenance or prototype runs, express air cargo directly serves Skopje International Airport (SKP).
When is liquid water cooling recommended over forced air cooling in local surface finishing shops?
For plating lines operating above 3000A, or located in enclosed spaces with high acidic/alkaline chemical vapors (hydrochloric acid, sulfuric acid, chromic acid), fully sealed water-cooled rectifiers (IP54/IP55) are strictly advised. Water cooling eliminates external corrosive ambient airflow through sensitive electronics, preventing board degradation and drastically extending service life in 24/7 continuous galvanizing operations.
Can pulse parameters and forward/reverse cycles be saved as multi-recipe programs?
Yes. Our programmable models feature digital touchscreens (HMI) capable of storing up to 20 custom multi-segment plating recipes. Operators can automate current density ramps, forward pulse width ($T_{on}$), reverse pulse duration ($T_{rev}$), and duty cycle ratios without manual potentiometer adjustments.
What certifications and customs documentation accompany equipment shipments?
Shipments include formal Certificates of Origin (CO), Factory Test Inspection Reports, Electrical Schematics, CE Declarations of Conformity (covering LVD and EMC directives), and comprehensive Operation & Maintenance Manuals in English. All structural timber packing complies with ISPM-15 heat-treated phytosanitary standards.
How does Fenvix manage after-sales technical support and component replacements overseas?
We deliver direct remote commissioning guidance, live video diagnostic support, and maintain modular power architecture across our units. Because our high-power rectifiers utilize standard plug-in IGBT control boards and modular bridges, in the unlikely event of component failure, modules can be swapped on-site within 20 minutes without rewiring the transformer or cabinet.
Upgrade Your Surface Finishing Efficiency Today
Send your electrolyte tank dimensions, desired peak current, voltage range, and waveform requirements. Our application engineering team will provide a tailored technical proposal within 24 business hours.