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ISO 9001 Certified Manufacturer Exporting to 4 Continents

High Voltage Power Supply Supplier & Exporters in Prague

Precision Heavy-Duty DC Topologies, Programmable High-Voltage Direct Current Platforms, and High-Frequency Rectifiers Engineered for Central Bohemia's Industrial, Automotive, and Scientific Vanguard

Export Portfolio

Standard & Custom High Voltage DC Power Topologies

Engineered to satisfy stringent CE, EMC, and Low Voltage Directives, our high-voltage switching supplies, electroplating rectifiers, and solid-state aviation convertors power mission-critical infrastructure across Central and Eastern Europe.

Featured 12V 15V 5000A 6000A 75KW Water Cooled High Frequency Electroplating Rectifier

12V/15V 5000A-6000A 75kW Water-Cooled DC Rectifier

  • TopologyHigh Frequency IGBT
  • ControlCV / CC Digital Display
  • CoolingDeionized / Chilled Water
  • ComplianceISO 9001 / CE Verified
Up to 800V DC 800V 400V 50A 20kW High Voltage Adjustable DC Power Supply

800V 50A 20kW Programmable HV DC Test Source

  • Output Range0–800V DC / 0–50A
  • Regulation< 0.1% Line & Load
  • InterfaceRS485 Modbus / Analog
  • TargetEV Traction & Battery R&D
3200V / 80kW High Precision 80kW 1000V 2000V 3200V HV DC Power Supply

80kW 1000V–3200V High Precision HV DC Source

  • Voltage RatingStep-less up to 3200V DC
  • EfficiencyTypical ≥ 91%
  • CoolingForced Internal Air Tunnel
  • Use CasePulse Modulators / Capacitor
100kV Ultra HV 0-100KV High Voltage Capacitor Charging and Discharging Power Supply

0–100kV High Voltage Capacitor Charging Supply

  • Output Potential0 to 100,000V DC
  • StabilityHigh Repetition Rate Stability
  • ProtectionFast Arc Quench & Crowbar
  • Use CasePlasma Physics / Accelerators
120kW Programmable High Voltage Test Power Supply 90KW 100KW 120KW 2000V

90–120kW 2000V Industrial Burn-in System

  • AdjustabilityDigital Rotary / Programmable
  • Input Line380V/400V AC 3-Phase 50Hz
  • Control ModesConstant Current / Voltage
  • ApplicationSemiconductor Stress Testing
E-Coat Specialist Electrophoresis Paint Power Supply 5000W High Voltage DC Rectifier

High-Precision Electrophoresis Coating Supply

  • Ramp ControlMulti-stage Soft Ramp Profile
  • Ripple Filtering≤ 1% Peak-to-Peak Ultra-Low
  • Output ProtectionInstantaneous Short-Circuit
  • ProcessCathodic / Anodic E-Coat
400Hz Aviation 930kVA 3 Phase Aircraft Ground Power Unit 400Hz

930kVA Static 400Hz Aviation Ground Power

  • FrequencySolid-State 400Hz Conversion
  • Output Potential115V / 200V 3-Phase AC
  • Overload Capability300% for Intermittent Start
  • ApplicationAirport Apron & MRO Hangars
Solid State Solid State Static Frequency Converter 400Hz

40–500kVA Clean-Sine Static Frequency Converter

  • Conversion Mode50Hz ↔ 60Hz & 400Hz
  • THD Distortion< 2.5% Pure Sine Wave
  • Internal ModuleIGBT Inverter + Isolation
  • DeploymentExport Bench / Defense Avionics
Whitepaper Insights

Localized Engineering Deployment in Prague & the Central Bohemian Basin

Navigating the convergence of heavy automotive precision, national laboratory research, and the green electrification corridor surrounding the Czech capital.

Prague serves not only as the political and financial heartbeat of the Czech Republic but also as the administrative, research, and logistics nerve center of the Central Bohemian region (Středočeský kraj)—one of Europe’s densest industrial manufacturing heartlands. As modern industrial plants across Prague’s industrial peripheral districts (such as Vysočany, Hostivař, and Horní Počernice) and adjacent clusters (Mladá Boleslav, Kladno, and Kolín) accelerate their shift toward Industry 4.0, the requirement for robust, highly stabilized High Voltage Direct Current (HVDC) power supplies and specialized rectifiers has transitioned from a generic procurement commodity to a strategic competitive asset.

High voltage power supply architectures in this metropolitan ecosystem encounter rigorous operational demands. Modern facilities require continuous-duty cycling under tough grid harmonics, precise millivolt-level ripple parameters for electro-deposition, and uncompromising thermal resilience. As heavy industries electrify processes previously driven by fossil combustion, our specialized IGBT-based switched-mode power supplies provide the precise operational control, galvanic barrier isolation, and efficiency ceilings necessary to meet Czech National Standard ČSN EN specifications and EU eco-design directives.

Automotive Component Manufacturing

The Prague–Mladá Boleslav supply corridor houses world-class Tier-1 and Tier-2 automotive component manufacturers. In electrophoretic deposition (KTL/E-coat), anodic surface hardening for structural cast aluminum, and high-voltage insulation breakdown test beds for EV lithium battery packs (800V architectures), our power topologies eliminate process micro-arcing and deliver low-ripple output that guarantees uniform film deposition and zero batch rejections.

Advanced Physical Sciences & Optics

Central Bohemia stands as a premier European hub for cutting-edge laser and physics research, anchored by international beamline facilities such as ELI Beamlines and HiLASE in Dolní Břežany, alongside institutes of the Czech Academy of Sciences. Our pulsed capacitor charging systems (reaching 100kV) provide rapid repetitive charging profiles, sub-picosecond trigger timing synchronization, and low electromagnetic emission profiles essential for precision optics and vacuum chambers.

Aero-Defense & Hangar Modernization

With Prague Airport (Václav Havel Airport Prague) expanding its cargo handling, paired with specialized aerospace centers in Vodochody and Kbely, ground support equipment (GSE) requires flawless conversion. Our 400Hz solid-state static converters and 28.5V DC aircraft ground power units directly substitute obsolete, carbon-intensive rotary diesel motor-generators, guaranteeing clean sine waves for sophisticated onboard avionics calibration.

Ecosystem Evolution

Macro Trends Transforming High Voltage Demands in the Czech Republic

Strategic technological vectors driving technical specifications and equipment selection across the Bohemian industrial landscape through 2030.

The Czech manufacturing sector is undergoing an aggressive green transition driven by the EU Net Zero Industry Act and surging domestic energy tariffs across Central Europe. Industrial engineering managers in Prague are systematically phasing out aging Silicon Controlled Rectifier (SCR) or thyristor-based power systems. The archaic SCR units, while historically robust, carry significant operational liabilities: low electrical conversion efficiencies (often below 75%), catastrophic power factors (0.65–0.78), and enormous physical footprints that burden valuable shop-floor real estate. In response, modern procurement managers are standardizing on Modular High-Frequency Switch Mode Power Supplies (SMPS) utilizing Silicon Carbide (SiC) and Insulated Gate Bipolar Transistors (IGBT), pushing thermal conversion efficiencies beyond 90–94%.

Simultaneously, the regional surge in industrial automation demands complete digital fieldbus convergence. Power cabinets operating across Prague’s manufacturing centers are rarely stand-alone units today; they interface directly with central SCADA, Profinet, Modbus TCP/IP, or CANopen industrial networks. Precision telemetry reporting real-time kilowatt consumption, dynamic ripple analysis, internal capacitor core temperatures, and localized thermal sensor readings are now mandatory prerequisites for baseline predictive maintenance strategies.

Industrial Vector Typical Voltage / Output Range Prague Engineering Benchmark Requirements Recommended Topology
Cathodic E-Coat / Electrophoresis 0–400V to 800V DC | 20A–300A Ultra-smooth programmable soft-start voltage ramp; ripple factor ≤ 1% to prevent bath pinholes Switching High Voltage DC Rectifier
Surface Anodizing & Galvanizing 12V–150V DC | 500A–15,000A Water-cooled hermetically isolated enclosure; continuous 24/7 CC/CV transition modes Water-Cooled High Current IGBT Cabinet
EV Traction Inverter & Battery Test 400V–1,500V DC | 10kW–250kW Bi-directional source/sink ready; sub-millisecond dynamic response; low line-noise emission Programmable Switching DC Power System
Pulsed Plasma & High Energy Physics 10kV–100kV DC | 100W–50kW Constant-current capacitor bank charging; full flashover, crowbar, and short-circuit recovery Ultra-HV Capacitor Charging Modulator
Civil & Defense Aviation MRO 28.5V DC / 115V AC 400Hz | Up to 930kVA Solid-state static inversion; low acoustic profile; engine cranking high surge peak handling Static Solid-State Frequency Converter
Manufacturing Strength

Guangdong Engineering Precision Direct to Prague Importers

Operating an advanced 3,000 m² ISO 9001-certified manufacturing campus in Guangdong, China, Guangdong Fenvix Technology Co., Ltd. has spent over 13 years engineering non-standard, custom industrial power supplies and high-current rectifiers. We do not act as an export trading broker; we are the direct source manufacturer who engineers, fabricates sheet metal, winds high-frequency transformers, writes embedded DSP control firmware, and conducts stringent 100% full-load burn-in testing under one roof.

Czech and European procurement directors bypass intermediary markups, securing fully customized configurations—including non-standard 400V 50Hz, 380V, or specialized DC output curves—with verified compliance with CE, Low Voltage Directive (LVD 2014/35/EU), and Electromagnetic Compatibility Directive (EMC 2014/30/EU). Every unit sent to the European Union undergoes exhaustive insulation resistance checks, high-potential (Hi-Pot) dielectric testing, and oscilloscope waveform validation.

13+ Years Field Experience
3,000m² Production Floor
100% Full Load Burn-In Test
0 MOQ Prototypes to Batches
Fenvix ISO 9001 Industrial Power Supply Manufacturing Facility
TÜV Verified On-Site Inspected Factory • ISO 9001
Procurement FAQs

Frequently Asked Questions by Czech Engineering & Sourcing Teams

Comprehensive technical and commercial answers addressing importation, grid integration, CE certifications, and field deployment across the Czech Republic.

How do Fenvix high voltage power supplies integrate with the Czech 400V 50Hz electrical grid?
Our systems engineered for export to Prague and the European market are natively matched to the standard European three-phase four-wire distribution infrastructure (400V AC nominal line-to-line, 230V line-to-neutral, 50 Hz). Internal soft-start circuits mitigate inrush current spikes to prevent nuisance tripping of building circuit breakers. The equipment design incorporates comprehensive phase-loss detection, over-voltage/under-voltage protection, and transient surge suppression conformant to EN 61000-6-2/4 standards.
What specific CE documentation and test reports are supplied for Czech customs clearance?
Every shipment delivered to Prague is accompanied by a formal Declaration of Conformity (DoC) proving compliance with the Low Voltage Directive (LVD 2014/35/EU) and Electromagnetic Compatibility Directive (EMC 2014/30/EU). In addition, our manufacturing operations are managed under ISO 9001:2015 quality frameworks verified on site by TÜV Rheinland. Full model-specific type-test inspection reports—including high-voltage dielectric isolation, protective earth continuity, and temperature rise curves—are provided in English prior to dispatch.
How should Czech surface finishers choose between closed-loop water cooling and air cooling?
For typical electronic testing environments, air cooling using internal fan tunnels is sufficient. However, for industrial plating facilities across Central Bohemia handling heavy acidic, alkaline, or chromic mists (e.g., hard chrome, nickel, or galvanizing baths), we strongly recommend our fully sealed water-cooled rectifiers. Water cooling eliminates external corrosive ambient airflow through sensitive power electronics, completely isolating IGBT modules within an IP54-rated enclosure. It allows thermal dissipation via local closed-loop heat exchangers, maintaining equipment lifespan in tough plating plant atmospheres.
What Incoterms and international logistics pathways are used for delivery to Prague?
We regularly handle shipments via air cargo directly to Prague Václav Havel Airport (PRG) for urgent prototypes and R&D projects (typical transit: 5–8 days). For larger industrial production units, sea freight is routed via European gateway container terminals (Hamburg, Koper, or Rotterdam) with direct bonded rail/truck transport into Prague container freight stations (typical transit: 28–35 days). Supported commercial terms include DDP (Delivered Duty Paid directly to your facility, with all customs and VAT settled), CIF, FOB, and DAP.
Does Fenvix offer pilot prototype customization without demanding massive batch commitments?
Yes. True to our engineering philosophy, we maintain a flexible No Minimum Order Quantity (0 MOQ) policy. We actively support research institutes, universities, and pilot engineering lines in Prague developing bespoke apparatus. Our engineering division works directly from your functional requirements—customizing output voltage ramp rates, unique busbar geometries, pulse programming sequences, or dedicated PLC fieldbus addresses—for single prototype builds.
How is post-sales technical support and component servicing handled in Central Europe?
All equipment is built using a modular sub-assembly architecture: power stages, driver circuits, and microprocessor logic boards are isolated and easily swappable in the field. We provide comprehensive schematic sets, diagnostic procedures, and fast-dispatch critical spare parts via express international couriers (DHL/FedEx). Video engineering sessions directly connect your technical staff with our senior power electronics designers to ensure rapid commissioning and zero production downtime.
Global Standards

Internationally Certified Industrial Authority

Exporting heavy-duty power solutions engineered for zero failure rates across demanding worldwide applications.

ISO 9001:2015

Certified operational quality management system covering design, sourcing, and assembly.

TÜV Rheinland

Factory operations, production capacity, and manufacturing capabilities verified on site.

CE • LVD • EMC

Conformity engineering adhering strictly to European Union electrical safety and interference regulations.

Turnkey Export Packing

Seaworthy, anti-vibration, vacuum-sealed barrier packaging ensuring zero moisture damage in transit.

CE Marking Mark of European Conformity
RoHS Directive Compliant Component Testing
Low Voltage Directive Verified
Electromagnetic Compatibility EMC Certified
TÜV Rheinland Supplier Verification

Consult with a High Voltage System Specialist for Your Prague Project

Whether configuring a 15,000A water-cooled galvanizing rectifier, a 100kV capacitor charging pulse generator, or a custom 400Hz frequency converter for hangar avionics, our engineering desk delivers full circuit schematics, dimensional CAD layouts, and verified export quotations within 24 hours.