12V–15V 5000A–6000A 75kW Water-Cooled DC Rectifier
- Rated Output: 12V–15V / 5000A–6000A
- Cooling Media: Closed-loop Demineralized Water
- Regulation Mode: CC / CV Independent Control
- Communication: RS485 / Modbus RTU Standard
High-efficiency, digital switch-mode rectifiers rigorously configured for 230V/400V grid stability, low-ripple electropolishing, passivating baths, and heavy electroplating.
Why switching frequency, ripple factor, and instantaneous current response determine whether your metal workpiece achieves optical mirror brightness or catastrophic surface pitting.
Electrochemical polishing relies on selective anodic dissolution within a concentrated viscous electrolyte layer. Modern high-frequency IGBT rectifiers supply an ultra-steady direct current that ensures the electrical resistance across microscopic crests (peaks) remains lower than within troughs, enabling preferentially high dissolution rates on asperities to achieve mirror roughness down to Ra < 0.1 µm.
Legacy Silicon Controlled Rectifiers (SCR) exhibit pronounced voltage ripple at low firing angles. When electropolishing stainless steel, titanium, or hastelloy in the Oslo area, high RMS ripple disrupts the precarious ionic boundary film, transforming controlled anodic leveling into pitting corrosion, orange-peel haze, and intergranular cracking. Fenvix IGBT power supplies guarantee ≤ 2% ripple across 10%–100% load.
During automated hoist transfer or variable-area rack dipping, sudden bath surface fluctuations trigger violent current surges. Fenvix PWM DSP control circuits execute corrective output tracking within 2 to 5 milliseconds. This prevents runaway burning on sharp edges, thread roots, and delicate surgical tips while safeguarding IGBT modules against catastrophic overcurrent breakdowns.
From maritime engineering installations along the Oslofjord to advanced defense and medtech workshops in Kongsberg and Horten, our power units fulfill Norway’s strictest mechanical tolerances.
In the Norwegian North Sea, marine hardware must withstand corrosive saline immersion under tremendous hydrostatic pressures. Electropolishing offshore valves, hydraulic actuators, and subsea Christmas tree components using our 5,000A–15,000A heavy-duty rectifiers completely strips trapped embedded iron contaminants, optimizing chromium-to-iron surface ratios beyond 2:1 in full accordance with NORSOK M-650 and ISO 15156 standards.
As Norway rapidly builds out green hydrogen hubs in the Viken and Vestfold industrial zones, titanium and 316L stainless steel bipolar plates demand flawless electropolishing. Irregular surface finishes introduce localized electrical contact resistance and accelerate membrane degradation. Fenvix constant-current micro-finishing units generate the uniform current fields needed to smooth intricate micro-channel geometries without altering dimensional tolerances.
Serving pharmaceutical facilities in the greater Oslo cluster and commercial aquaculture processing systems along Norway’s coast, our rectifiers deliver high-gloss electropolishing for stainless steel agitators, sterile tanks, and piping networks. Eliminating microscopic crevices starves bacterial biofilm colonizers, ensuring smooth, ASME BPE-compliant hygienic cleanability (CIP/SIP) with verifiable validation documents.
From the iconic modern architectural installations on the Oslo waterfront (Barcode, Aker Brygge, Munch Museum) to demanding structural facades exposed to harsh coastal winters and de-icing road salts, our high-output reverse-pulse rectifiers deliver durable electrolytic passivation and mirror finishes that stop atmospheric tea-staining and cosmetic weathering dead in its tracks.
Solving unique electrical network architecture challenges across Oslo industrial plants while slashing kilowatt-hour consumption under Norway's strict net-zero frameworks.
Unlike standard continental Europe (TN 400V), approximately 70% of Norway’s legacy electrical grid utilizes an isolated ground IT 230V 3-phase delta topology. Fenvix builds custom input isolation systems, optimized EMC filter stages, and phase configuration options so your power supplies operate seamlessly without nuisance earth-leakage tripping on Norwegian factory mains.
With Norwegian manufacturing plants subjected to rigorous Corporate Sustainability Reporting Directives (CSRD) and green operational audits, replacing bulky 6-pulse or 12-pulse thyristor rectifiers is mandatory. Fenvix switch-mode rectifiers deliver electrical conversion efficiency above 90%–94% and a power factor >0.95, eliminating inductive surcharges on your municipal Oslo power bill.
Norwegian production floors are among the most automated worldwide. Fenvix rectifiers feature embedded RS485 (Modbus RTU), optional Profinet, Modbus TCP, and 0–10V analog interfaces. Factory automation engineers can directly plot bath voltage curves, monitor liquid cooling temperature sensors, and command amp-minute bath replenishment remotely from the central Oslo plant DCS.
| Performance Parameter | Legacy Thyristor (SCR) Rectifier | Fenvix High-Frequency IGBT Rectifier | Operational Impact for Oslo Workshops |
|---|---|---|---|
| Electrical Efficiency | 65% – 75% at variable firing angles | 90% – 94% continuous efficiency | Saves 15-25% Annual kWh |
| Ripple Factor (Full Span) | 5% to over 15% RMS at low voltage | ≤ 1% to 2% RMS stable ripple | Eliminates orange-peel & surface hazing |
| Physical Footprint & Weight | Extremely heavy, bulky 50Hz iron core | 1/3 the volume, 1/4 the structural mass | Freed floor space in premium urban facilities |
| Power Factor (cos φ) | Degrades to 0.50 – 0.70 at reduced loads | ≥ 0.95 high power factor across load range | Zero reactive power penalties from Hafslund/Elvia |
| Response Speed | 100ms – 250ms line-frequency response | ≤ 2ms – 5ms switch-mode PWM tracking | Flawless current density on complex parts |
| Cooling Flexibility | Large fan banks or raw tap water dumping | Closed-loop water chillers or low-noise air | Integrates into closed heat-recovery systems |
Direct manufacturer integrity. Since 2013, our Guangzhou facility has engineered heavy-duty power supplies, rectifiers, and converters with zero compromise on raw materials, assembly standards, or pre-shipment burn-in verification.
Unlike trading assemblers, Fenvix controls every mechanical facet in-house: laser cutting, CNC punching, milling, and heavy copper busbar silver-plating for superior conductivity and rugged protection against aggressive acid vapors.
Before any unit leaves our workshop, it is mounted to industrial load banks and continuous full-ampere soak-tested for up to 72 continuous hours. Oscilloscopes, thermal cameras, and insulation meters verify absolute electrical integrity.
We provide seamless shipping to Norway: air cargo to Oslo Airport (OSL - Gardermoen) for time-critical expansions or consolidated sea container delivery directly to the Port of Oslo (Sjursøya) under DDP, CIF, or CIP terms.





Authoritative technical guidance compiled by our lead electrical engineers addressing local voltage requirements, environmental mandates, and logistics to Oslo.
Consult directly with our senior power systems application engineers. Share your tank dimensions, electrolyte chemistry, required current density, and factory input grid parameters to receive a detailed engineering proposal and transparent factory-direct quotation within 24 hours.