Water Cooled
12V 15V 5000A 6000A 75KW Water-Cooled DC Power Supply
- TopologyHigh Frequency IGBT
- CoolingClosed-Loop Liquid
- RegulationCV / CC Digital Mode
- CertificationCE, LVD, EMC
Engineered Power Solutions for Heavy Industry & Offshore Projects
From rugged high-current galvanizing equipment to airfield frequency converters, explore our certified power conversions deployed across Baltic ports and European testing hubs.
CE Certified
12V 150A High-Frequency Plating & Surface Rectifier
- ApplicationPCB, Gold & Silver
- Ripple Factor< 1% Low Ripple
- Duty CycleContinuous 24/7 Duty
- CertificationCE, RoHS Compliant
48kW Output
12V 4000A 48kW Heavy-Duty Galvanizing Source
- Output Power0–12V / 0–4000A
- AutomationRS485 Modbus-RTU
- EfficiencyTypical ~90% at Full Load
- ProtectionOverload, Thermal, Short
8000A Water-Cooled
8000A 12V Industrial Water-Cooled Galvanizing Rectifier
- Operating Curr.Up to 8000A Sustained
- Heat DissipationInternal Water Channels
- AtmosphereCorrosion-Resistant Cab
- StandardISO 9001 / CE Mark
High Voltage Test
800V 50A 20kW Programmable EV & Test DC Source
- Voltage Range0–400V / 0–800V Adj.
- Response Time< 5ms Step Response
- Control ModesCV, CC, CP Configurable
- InterfaceAnalog 0–10V, RS485
Auto Polarity
48V 625A 30kW Polarity-Reversing Descaling Supply
- FunctionTimed Polarity Inversion
- ElectrolysisWater Treatment & Scale
- Digital Timers4-Segment User Cycle
- CE DirectiveEMC EN 61000-6-4
Aviation Ground
Portable 28.5V DC Aircraft Ground Power Unit (GPU)
- Output DC28.5V Stable Bus
- Peak StartingUp to 2000A Surge
- PortabilityTowable All-Weather Cart
- StandardsISO 6858 / MIL-STD-704
Solid State
40–500kVA 400Hz Static Solid-State Frequency Converter
- Frequency50Hz/60Hz to 400Hz
- Efficiency> 92% Solid State IGBT
- WaveformPure Sine Wave (THD < 2%)
- ApplicationAvionics & Naval Shore
Strategic Power Infrastructure Alignment for Liepāja SEZ & Maritime Corridors
The historical ice-free port city of Liepāja, anchored by the rapid economic evolution of the Liepāja Special Economic Zone (Liepājas SEZ), has emerged as one of the Baltic region's key multimodal industrial, fabrication, and clean-tech manufacturing corridors. Transitioning from traditional heavy metal processing to advanced engineering, green hydrogen production initiatives, offshore wind staging, and sophisticated marine dry-dock repair requires uncompromising, CE-certified DC and AC power conversion systems.
Power conversion systems operating within coastal Kurzeme face rigorous ambient constraints: high airborne salinity, severe thermal fluctuations between Baltic winters and summer production peaks, and harmonic voltage distortions common to coastal grid connections. Guangdong Fenvix Technology Co., Ltd. fills this technical gap by manufacturing customized, heavy-duty switch-mode power supplies (SMPS) and industrial rectifiers designed to thrive in demanding maritime and manufacturing environments.
By delivering high-frequency IGBT topologies that offer up to 92% electrical efficiency compared to legacy, oil-cooled, or thyristor/SCR power stages, Fenvix equips Liepāja engineering plants with substantial operational cost reductions, strict European Low Voltage Directive (LVD 2014/35/EU) compliance, and compliance with the Electromagnetic Compatibility Directive (EMC 2014/30/EU).
Harsh Marine Atmosphere Protection
Cabinets designed with conformal three-proof PCB coatings (anti-salt spray, anti-humidity, and anti-fungus), tropicalized wiring, and IP54 sealed enclosures tailored for dockside installations along the Baltic Sea coast.
High Electrical Efficiency (>90%)
Replacing bulky 50Hz line-frequency transformer rectifiers with advanced IGBT switching modules cuts active electrical waste, lowering cooling overhead and reducing total carbon footprint for energy-intensive metallurgy.
Zero Downtime 24/7 Redundancy
Modular N+1 parallel architecture allows critical metal surface treatment and dockside operations to continue without interruption even during scheduled module servicing or component maintenance.
Industrial Use-Cases & Applied Field Configurations
Comprehensive engineering analysis of how specialized DC rectifiers and frequency converters solve localized operational challenges across Kurzeme's production centers.
1. Ship Repair, Port Machinery & Marine Anti-Corrosion (ICCP)
Operating inside the ice-free waters of the Port of Liepāja, local shipyards, drydocks, and specialized marine maintenance companies require robust direct current sources for Impressed Current Cathodic Protection (ICCP) testing, structural marine hull weld stress relief, and electrochemical metal finishing. Our custom 12V to 60V, up to 15,000A DC rectifiers provide exact current density regulation, preventing excessive hydrogen embrittlement while ensuring maximum protective throw along immersed steel surfaces.
2. Advanced Metal Fabrication, Anodizing & E-Coating in the SEZ
The Liepāja Special Economic Zone is home to an expanding cluster of high-precision metal processing enterprises producing mechanical assemblies, agricultural machinery, and automotive parts for Scandinavian and Western European export. These processes demand pulse-width modulated (PWM) and continuous constant-current/constant-voltage (CC/CV) power supplies. Fenvix supplies digital switch-mode rectifiers offering ripple coefficients below 1%, ensuring micro-uniform deposition layers during zinc, hard chrome, and titanium anodizing processes.
3. Green Hydrogen Electrolysis & Power-to-X Projects
With massive offshore wind investments underway across the Kurzeme coastal shelf, Liepāja is strategically positioning itself as a hub for green hydrogen and e-fuels. Hydrogen generation via alkaline and proton exchange membrane (PEM) electrolyzers depends heavily on high-amperage, ultralow-ripple DC power stages. Our liquid-cooled 15,000A electrolysis power supplies operate continuously at maximum efficiency, minimizing power quality harmonics that degrade catalyst surfaces.
4. Liepāja International Airport (LPX) & Regional Aerospace Testing
As aviation training facilities and regional maintenance hubs expand at Liepāja Airport, ground crews and MRO hangars require ultra-clean ground power units (GPUs) and solid-state 400Hz frequency converters. Fenvix units convert utility 400V 50Hz grid electricity into stabilized 28.5V DC for avionics checks and turboprop engine starting, as well as 115V/200V 400Hz 3-phase AC power meeting MIL-STD-704F and ISO 6858 standards without the noise, pollution, or maintenance of diesel motor-generators.
13+
Years Engineering Expertise
3,000m²
In-House Manufacturing Facility
15,000A
Maximum Current Output
100%
Full Load Burn-In Tested
Engineering Selection Matrix for Baltic Procurements
Compare process topologies, thermal management options, and electrical specifications to accurately size your incoming power conversion infrastructure.
| Industrial Process | Typical Voltage / Current | Cooling Mechanism | Automation Protocol | Recommended Fenvix Topology |
|---|---|---|---|---|
| Continuous Zinc / Nickel Plating | 0–12V / 1,000A–8,000A | Closed-Loop Deionized Water | RS485 Modbus / 4–20mA Analog | High-Frequency IGBT Switch-Mode Rectifier |
| Structural Marine Hard Anodizing | 0–100V / 500A–3,000A | Forced Air or Liquid Cooled | Multi-Step Programmable Ramps | Thyristor-Hybrid or High-Voltage IGBT |
| Cathodic E-Coating (Electrophoresis) | 0–400V / 20A–100A | High-Volume Forced Air | PLC Interlock / Digital Interface | Precision High-Voltage DC Source |
| Electrolytic Water Descaling | 24–48V / 200A–1,000A | Forced Air with Dust Filtration | Automated Polarity Reversal Timer | Polarity-Reversing DC Power Supply |
| Aviation Line Maintenance (LPX) | 28.5V DC / 100A–600A | Internal Heat-Pipe Forced Air | Over/Under Voltage Trip Sensing | Solid-State Aviation GPU (Towable / Stationary) |
| High-Voltage Capacitor R&D | 1,000V–100,000V DC / <10A | Oil-Insulated / Sealed Chassis | Fiber-Optic Isolated Digital Bus | Resonant HV Capacitor Charging Unit |
Need a Tailored Electrical Spec for Your Liepāja Plant?
Our senior electrical design team provides custom schematic integration, CAD drawings, and thermal dissipation calculations within 24 business hours.
In-House Manufacturing Depth: From Sheet Metal to Load Bank Validation
Unlike trading intermediaries, Fenvix directly executes CNC punching, high-purity copper busbar bending, modular electronic assembly, and exhaustive oscilloscope verification.
Established in 2013 in Guangdong, China, Guangdong Fenvix Technology Co., Ltd. has developed into a specialist manufacturer of custom heavy-current and high-voltage DC power platforms. Operating across an advanced 3,000m² factory floor equipped with high-precision plate shearing, milling, drilling, and automated tapping equipment, our physical ownership of the metalworking and cabinet fabrication lines allows us to rapidly engineer specialized enclosures resistant to airborne pollutants, acids, and maritime humidity.
Every single power supply manufactured for our export markets undergoes multi-tier quality checks. Copper conductors are CNC-machined and silver-plated or nickel-plated to prevent oxidation under continuous full-load operating conditions. Before crating in export-grade, moisture-sealed fumigated wooden packaging, every power supply is connected to our automated resistive-inductive load banks for 24 to 72 hours of uninterrupted full-load burn-in testing, verifying thermal equilibrium, waveform stability, and safety tripping mechanisms.
Main Production Workshop
Finished Rectifier Cabinets
Precision Module Assembly
Electrical Commissioning
CNC Metal Shearing Line
Copper Busbar Milling
Precision Cabinet Drilling
Oscilloscope Waveform Testing
Certified European Compliance & Verified Supply Chain Safety
Our quality management systems and high-power engineering standards are independently verified by global inspection authorities, guaranteeing smooth customs entry into Latvia.
ISO 9001:2015
Strict quality assurance protocols govern every phase of procurement, component batch testing, and final assembly.
CE Directives (LVD & EMC)
Fully compliant with EN 61010-1 electrical safety and EN 61000-6 industrial electromagnetic noise threshold requirements.
TÜV Rheinland Inspected
Factory facilities, technical headcount, and testing equipment have been confirmed by third-party on-site audits.
Baltic Delivery Terms
Full support for DDP, CIF Port of Liepāja, Riga, or Klaipeda, as well as EXW and FCA terms with complete customs paperwork.
Procurement & Technical Questions for Latvian Buyers
Essential guidance addressing grid standards, shipping logistics, customs documentation, and maintenance across Latvia and the wider Baltic region.
Are Fenvix power supplies directly compatible with the Latvian three-phase electrical grid?
Yes. Our standard export units are fully rated for European low-voltage network norms (400V AC ±10%, 3-phase, 50Hz, 3P+N+PE). We also supply units with active PFC (Power Factor Correction) keeping system power factors above 0.95 and total harmonic distortion (THDi) within Sadales tīkls grid-connection criteria. Custom input voltages (such as 440V 60Hz for marine vessels or 690V for wind platforms) are easily manufactured on request.
What is the typical shipping timeline and transit route to Liepāja?
Depending on configuration, production lead time for custom units from 5kW to 100kW is typically 15 to 25 business days. Heavy ocean freight is routed via direct container liners to the Port of Liepāja or through the deepwater feeder hubs at Klaipėda and Riga, with sea transit taking approximately 32 to 38 days. For rapid prototype verification or urgent line replacements, air cargo via Riga International Airport (RIX) delivers in 5 to 7 days.
Does Fenvix enforce a Minimum Order Quantity (MOQ) for custom units?
No. We do not enforce an MOQ. We welcome single-unit orders (1 Set / 1 Unit) for pilot projects, custom laboratory test stands, academic installations, or one-off retrofit lines, as well as high-volume batch runs for European original equipment manufacturers (OEMs).
When is water cooling recommended over forced air cooling in Liepāja factories?
Forced air cooling is economical and straightforward for bench power supplies up to 10kW or in clean, climate-controlled testing laboratories. However, for installations exceeding 20kW, continuous 24/7 galvanizing lines, or production halls exposed to acidic plating mists and coastal salt fog, closed-loop water cooling is strongly advised. Water-cooled rectifiers operate inside fully sealed NEMA 4X / IP54+ cabinets, eliminating corrosive air exchange and drastically increasing internal component lifespans.
What trade terms and currency settlements are supported for Latvia?
We routinely operate under Incoterms 2020: FOB (Chinese Port), CIF (Port of Liepāja / Port of Riga), CFR, CIP, and DDP (Delivered Duty Paid directly to your facility in the Liepāja SEZ, handling import clearance, EU customs duties, and documentation). Payments are accepted in EUR, USD, and other major currencies via standard wire transfer (T/T), Letter of Credit (L/C), or secure corporate trade payment channels.
How is remote commissioning and technical support handled post-delivery?
Each power system is accompanied by detailed electrical schematics, terminal block wiring diagrams, communication register mapping manuals (RS485 Modbus-RTU / TCP), and factory bench test reports. Our bilingual application engineering team conducts video-based commissioning sessions, remote diagnostic assistance, and provides spare-part modular swap-kits to ensure seamless, long-term operations.