Heavy Plating
12V 15V 5000A 6000A 75KW Water-Cooled Plating Rectifier
- Output: 12V/15V | Up to 6000A
- Cooling: Closed-Loop Liquid
- Topology: Full-Bridge IGBT PWM
- Interface: RS485 / Modbus-RTU
Export Portfolio for Niš Region
High-Efficiency Switching Power Supplies & Heavy Rectifiers
Built to handle continuous duty cycles, stringent EMC standards, and challenging industrial environments across electroplating, electronics assembly, and aerospace maintenance lines.
Surface Finishing
12V 4000A 48kW High-Frequency Electroplating Rectifier
- Efficiency: ≥ 90% at Rated Load
- Control Modes: Constant Voltage / CC
- Ripple Factor: < 2% Full Range
- Standard: CE LVD & EMC Listed
Galvanizing
8000A 12V Industrial Water-Cooled Galvanizing Rectifier
- Design: IP54 Sealed Electronics
- Thermal: Corrosion-Resistant Copper
- Protection: Over-Temp / Short-Circuit
- Supply: 380V/400V 3-Phase 50Hz
Anodizing
100A–3000A Anodic Oxidation DC Power Supply
- Output Range: 12V / 24V / Custom
- Operation: Multi-Step Voltage Ramp
- Display: Touch Screen / Digital
- MOQ: 1 Unit (OEM Flexible)
EV Testing
800V 50A 20kW Programmable DC Power Supply for EV
- Voltage Span: 0–800V Continuous
- Accuracy: 0.1% Full Scale
- Applications: OBC / Battery Pack Test
- Remote: RS232 / RS485 / CANbus
Pulse Reversing
48V 625A 30kW Polarity Reversing Switching Unit
- Duty: Electrolytic Descaling
- Switching: Millisecond Polarity Flip
- Control: Integrated Cyclical Timer
- Safety: Galvanic Isolation 3000V
Aviation GSE
28.5V DC Aviation Ground Power Unit (GPU)
- Current Peaks: Up to 2000A Overload
- Mobility: Towable / Portable Chassis
- Application: MRO / Avionics Diagnostics
- Standard: ISO 6858 / MIL-STD Compliant
Frequency Static
40–500kVA Solid-State Static Frequency Converter
- Frequency: 50Hz/60Hz to 400Hz Output
- Voltage: 115V / 200V AC Balanced
- THD: < 2.5% Linear Loads
- Advantage: Zero Rotary Wear / Silent
Local Ecosystem & Market Dynamics
Industrial Power Supply Architecture in the Niš Ecosystem
A strategic analysis of power conversion demands across Southern Serbia's legacy industrial base and emerging high-tech engineering clusters.
The Electronics Renaissance and Automotive Tier Integration in Niš
The city of Niš occupies a unique historical and technological position in Southeast Europe. As the former hub of the legendary EI Niš (Elektronska Industrija Niš), the region maintains an embedded engineering culture, skilled mechatronics talent, and top-tier academic training from the Faculty of Electronic Engineering at the University of Niš. Today, Niš is revitalized as a primary corridor for automotive electronic components, electromechanical subcontracting, wire harness production, and automated testing.
Suppliers operating within the Niš Free Trade Zone and adjacent commercial parks demand highly regulated switching power supplies. The transition from legacy transformer-thyristor topologies to high-frequency IGBT-based switching supplies has reduced energy footprints across local surface preparation shops by up to 28%. In automotive plating lines, tight current ripple suppression (<2%) directly dictates coating uniformity, wear resistance, and long-term corrosion prevention for OEM components bound for the German, Austrian, and Italian vehicle supply chains.
Corrosion Prevention & Plating
Local industrial coating, zinc passivating, and anodizing lines require continuous duty 12V–24V DC supplies capable of resisting acid mists and high ambient factory temperatures without thermal throttling.
EV Component & Electronics Testing
Niš's fast-growing electronics contract manufacturing sector leverages high-voltage programmable switching sources (up to 800V/2000V) for endurance burn-in tests, motor controllers, and DC fast-charging sub-assemblies.
Aviation & Defense Facilities
With Constantine the Great Airport (INI) expanding freight and maintenance infrastructure, reliable solid-state 400Hz frequency converters and 28.5V DC ground support rectifiers replace high-maintenance rotary motor generators.
Engineering Insight
Emerging Technical Requirements in Southern Serbian Industry
Evaluating the architectural transition toward energy efficiency, SCADA integration, and harsh-condition survivability.
Power Efficiency Standards (EU Horizon & Carbon Neutrality)
Industrial electricity tariffs across Eastern and Southern Europe have triggered a structural reassessment of power factor and conversion efficiency. Traditional thyristor/SCR power systems often exhibit poor power factors (0.65–0.75) under partial loads, resulting in significant reactive power charges. Modern high-frequency switching rectifiers engineered with active or optimized diode-rectification stages deliver power factors exceeding 0.94 and overall conversion efficiencies of 90–93%. For continuous 24/7 galvanizing lines operating in Niš, this shift directly reduces baseline carbon penalties and operational kilowatt-hour expenses.
SCADA Integration & Real-Time Data Logging
In accordance with Industry 4.0 guidelines embraced by European Tier-1 automotive subcontractors, stand-alone manual power supplies are rapidly being phased out. Production managers in Niš specify industrial power converters equipped with optically isolated RS485 (Modbus-RTU) or Ethernet communication buses. Real-time logging of bath voltage, micro-arc discharge current, cumulative ampere-hours, and fault alarms enables closed-loop process automation and audit traceability for critical military, automotive, and medical hardware manufacturing.
| Topological Parameter | Legacy SCR / Thyristor Rectifier | Fenvix High-Frequency IGBT Switching Supply | Operational Value for Niš Buyers |
|---|---|---|---|
| Conversion Efficiency | 68% – 76% (Typical) | 89% – 93% (Consistently high) | 15–20% Power Bill Reduction |
| Output Ripple (CC/CV) | 5% to 8% RMS at Partial Load | < 1% to 2% Low Noise | Finer crystalline grain in electrodeposits |
| Response Time (Transient) | 100ms – 300ms Dynamic Lag | < 5ms Rapid IGBT Modulation | Prevents burning/pitting on rapid load steps |
| Physical Footprint & Mass | Large, heavy transformer core | 60% lighter, modular compact cabinet | Low transport costs, agile workshop integration |
| Cooling Configurations | Natural air / bulky external radiator | Sealed Forced-Air or Closed Water-Cooled | Zero acid vapor ingress into internal electronics |
Enterprise Credentials
Guangdong Fenvix Technology: Industrial Manufacturing Prowess
Operating from our ISO 9001:2015 certified facility in Guangdong since 2013, we bridge direct-from-factory customization with worldwide compliance.
In-House Sheet Metal & Busbars
Unlike trading houses, we machine our own copper busbars and cabinets on internal shearing, punching, and milling machines, ensuring zero structural vulnerabilities and exact tolerances.
Full Power Load & Burn-In Testing
Every single power unit undergoes 100% full-capacity resistive load bank testing, high-voltage insulation dielectric checks, and thermal imaging calibration prior to sea or air dispatch.
Flexible MOQ & Custom Engineering
We welcome 1-set prototype orders for specialized R&D or custom replacement retrofits. Dedicated engineers configure specific voltages (up to 100kV) or currents (up to 15,000A).
Integrated Production Floor
Quality Inspected Cabinets
Live Load Calibration
Harmonic & Ripple Inspection
13+
Years Engineering Expertise
3,000 m²
Modern Production Facility
50+
Audited Quality Suppliers
100%
Pre-Shipment Burn-In Tested
ISO 9001:2015 Management System
TÜV Rheinland Verified Factory
CE (LVD & EMC) Certified Units
RoHS Hazardous Material Compliant
Procurement Knowledge Base
Frequently Asked Questions by Industrial Buyers in Niš
Addressing international shipping, electrical network parameters, customs protocols, and technical longevity.
How do your switching supplies interface with Serbia's standard 400V 50Hz grid?
All our three-phase export units are natively calibrated for European 380V/400V/415V AC at 50Hz (tolerating fluctuations of ±15%). They integrate built-in soft-start circuitry to minimize inrush current spikes and avoid tripping upstream medium-voltage substation breakers common in Niš industrial zones.
What are the trade, customs, and delivery terms available for shipments to Niš?
We handle complete international logistics including FOB (major China ports), CIF/CIP (Bar, Montenegro or Thessaloniki, Greece, then overland trucking to Niš), as well as direct DDP (Delivered Duty Paid) to your factory doors in Niš, handling export documentation, EUR.1 processing assistance, and customs manifests.
Why should our workshop in Niš consider water cooling over forced-air cooling?
In galvanizing, hard anodizing, or electro-winning installations where corrosive chemicals (sulfuric acid, hydrochloric fumes) circulate in the ambient air, forced-air cooling fans pull these vapors across critical PCBs and power semiconductors. A closed-loop water-cooled chassis allows the cabinet to be sealed to an IP54/IP55 rating, drastically extending component lifetime in harsh chemical atmospheres.
Can Fenvix accommodate custom retrofit projects for older EI Niš machines?
Yes. Our in-house R&D engineering team regularly constructs drop-in replacements for obsolete Soviet or European-era thyristor rectifiers. We match your original footprint, busbar orientation, and control cabling while upgrading your operations to digital precision and remote programmable interfaces.
What remote technical support and spares availability do you offer?
We provide exhaustive English-language schematics, diagnostic firmware support, and live engineer-to-engineer video commissioning. Our systems utilize globally reputable modular components (such as Semikron, Infineon, and Mitsubishi IGBT blocks) which guarantees that routine wear items or replacement modules can be serviced locally or express air-freighted within 72 hours.
What is the standard warranty period and testing certification?
All equipment carries a comprehensive 12 to 24-month factory warranty. Prior to packing, units undergo a continuous 4 to 24-hour burn-in trial under rated load conditions. Individual test records, CE compliance certificates, and oscilloscope waveform validation sheets are included in the export documentation pack.
Need Custom Power Conversion for Your Niš Facility?
Submit your electrical specifications—input voltage, output current range, ripple limits, and control bus requirements. Our senior power electronics engineers will calculate sizing, thermal performance, and provide a competitive direct factory quote within 24 hours.