12V-15V 5000A-6000A 75kW Water-Cooled DC Rectifier
- Topology IGBT High-Frequency SMPS
- Output 0–15V Continuous / 6000A
- Cooling Deionized Closed Water Loop
- Control RS485 Modbus / PLC 4-20mA
Engineered for high current stability, harsh ambient immunity, and digital automated line integration in heavy electrochemistry, marine, and advanced manufacturing operations.
Navigating the complex interplay of geothermal mineralization, marine salinity, and cold-climate operations on high-power power electronics conversion systems.
The volcanic and geothermal backdrop surrounding the Capital Region and the Reykjanes corridor introduces elevated traces of airborne Hydrogen Sulfide (H₂S) and sulfur dioxide. In standard forced-air cooled power cabinets, reactive sulfur particulates trigger rapid atmospheric creep corrosion on silver junctions, exposed copper traces, and open solder joints. Fenvix supplies Hafnarfjörður facilities with conformal-coated PCB assemblies (IPC-CC-830C compliant), isolated hermetic electronics bays, and segregated heat sinks. For heavy-duty rectification, our IP54/IP55 water-cooled topologies isolate sensitive IGBT modules from corrosive ambient air entirely.
Hafnarfjörður Port serves as a critical maritime terminal for North Atlantic commercial fishing trawlers, cargo vessels, and offshore engineering vessels. While the Icelandic national grid operates at a stable 50Hz, modern vessel electrical architectures adhere largely to 60Hz (440V/480V) marine distribution grids. Fenvix solid-state static frequency converters utilize dual-conversion IGBT pulse-width modulation (PWM) stages to provide galvanic isolation, instantaneous phase synchronization, and pure sinusoidal output, allowing docked vessels to eliminate auxiliary diesel engine idling and integrate into cold-ironing green harbor initiatives.
The district heating infrastructure and specialized industrial laundries and processing plants across southwestern Iceland face continuous silica and calcium-carbonate mineral crystallization within heat exchangers and thermal loops. Our programmable polarity-reversing DC power supplies automate electrochemical scale removal without aggressive acid washes. By delivering sub-second, software-controlled polarity switching at high currents, scale build-up is systematically stripped from titanium and MMO electrode arrays while safeguarding anode substrate lifespans.
Ground handling operations at nearby Reykjavík and Keflavík domestic and regional hubs demand zero cold-soak failure rates. Sub-zero coastal gales produce condensation cycling inside unheated hangars and apron maintenance sheds. Fenvix 28.5V DC and 400Hz Aircraft Ground Power Units are built with integrated cabinet de-humidification strips, internal thermostatic pre-heaters, and low-temperature rated electrolytic capacitors certified for full-load cold starts down to -40°C.
With access to 100% renewable hydro and geothermal electricity, Icelandic ventures are heavily expanding green hydrogen pilot projects and advanced non-ferrous surface anodizing. These applications demand continuous duty (100% duty cycle) current rectifiers that minimize phase harmonic distortion back into the local Landsnet/Veitur distribution grid. Our active power factor correction (PFC) and 12-pulse or multi-pulse IGBT switching designs ensure THDi < 5%, maintaining grid compliance while maximizing electrochemical yield.
Hafnarfjörður's seaside industrial docks and repair yards operate in an environment dense with sodium chloride marine aerosol. Fenvix provides specialized structural fabrication using marine-grade powder-coated 2.0mm steel cabinets or grade 316 stainless steel enclosures. Electrical busbars are CNC-milled from solid 99.99% pure T2 electrolytic copper, then heavily tin- or nickel-plated to prevent galvanic oxidation across all mechanical contact surfaces.
A technical assessment for procurement managers and chief electrical engineers evaluating capital replacement cycles and energy efficiency gains.
| Performance Vector | Legacy SCR / Thyristor Rectifier | Fenvix High-Frequency IGBT System | Impact on Icelandic Facilities |
|---|---|---|---|
| Conversion Efficiency | 70% – 78% Typical | 89% – 93% Optimized | Reduces continuous electrical power draw across multi-megawatt electrolysis lines. |
| Ripple Factor (RMS) | 5% to 8% (requires massive filter choke) | < 1% to 2% Raw Output | Yields denser electroplated grains, smoother anodic oxidation layers, higher hydrogen purity. |
| Dynamic Response Speed | 100ms – 300ms Phase Angle Adjust | < 5ms High-Speed PWM Control | Eliminates micro-arcing and component burnout during rapid load-step transitions. |
| Chassis Volume & Weight | Bulky, heavy oil-immersed or massive iron core | 60% Smaller Footprint, 70% Lighter | Drastically lowers international ocean/air freight costs directly into Reykjavík port. |
| Grid Power Factor (cos φ) | 0.65 – 0.75 (degrades at low output) | ≥ 0.95 across 20%–100% Load Range | Prevents reactive energy penalty charges levied by utility distribution networks. |
| Cooling Integration | Forced Air (sucks in ambient sea salt / sulfur) | Sealed Deionized Liquid-to-Water Circuit | Isolates power components from H₂S gas and marine air, multiplying equipment MTBF. |
Eliminate middleman markups and specification mismatches. Guangdong Fenvix Technology Co., Ltd. controls the complete engineering and production cycle in-house.
Unlike assembly shops that outsource chassis manufacturing, Fenvix maintains dedicated plate shearing, CNC punching, milling, drilling, and tapping machinery. We fabricate our own heavy-gauge cabinet enclosures, internal structural mounting racks, and high-amperage pure copper busbars. This vertical integration guarantees dimensional accuracy, thermal heat-sink cohesion, and tight delivery schedules.
Every single power supply unit manufactured for export undergoes comprehensive testing prior to crating. Our quality protocol includes insulation resistance verification, high-potential withstand testing (Hi-Pot), full-load thermal equilibrium runs inside continuous burn-in bays, and digital oscilloscope waveform analysis to document output ripple and transient response under realistic step-loads.
We provide full-spectrum export compliance for Nordic buyers, including FOB, CFR, CIF, and door-to-door DDP arrangements directly to your site in Hafnarfjörður or the Greater Reykjavík area. Power units are sealed in vapor-barrier poly-wrap with industrial desiccant and secured within ISPM-15 compliant export fumigated wooden crates engineered for transatlantic ocean container handling.





Clear, direct answers regarding grid compatibility, harsh environment hardening, minimum orders, and international warranty terms.