75kW Heavy-Duty
12V 15V 5000A 6000A 75KW Water Cooled Rectifier
- TopologyHigh-Frequency IGBT
- RegulationCV / CC Digital Auto
- CoolingDeionized Water-Cooled
- Efficiency≥ 90% at full load
Engineered Systems
Precision High Voltage & High Power Rectifier Solutions
Direct factory configurations certified under ISO 9001 and verified by TÜV Rheinland for advanced industrial, electrochemical, and testing regimes.
Up to 100kV
0-100kV Capacitor Charging & Test DC Source
- Output Range0–100kV / 10–50mA
- Repeatability≤ 0.1% Full Scale
- ProtectionArc, Flashover, Quench
- ControlsRS485 / Optical Fiber
3200V Precision
80kW 1000V–3200V High Precision HV DC Supply
- Power Rating80kW Continuous
- Ripple RMS≤ 0.2% Rated Voltage
- InterfaceModbus-RTU / Analog
- CertificationCE, EMC, LVD
4000V Industrial
16kW 0–4000V Adjustable Regulated DC Source
- Voltage Span0 to 4,000V Infinitely Adj.
- Stability≤ 0.05% per hour
- Thermal MgmtForced Ducted Air Cooling
- Response≤ 5ms Transient Recovery
Descaling & Marine
48V 625A 30kW Auto-Polarity Reversing Supply
- Reversal CycleProgrammed 1s–999h
- ProtectionIP54 Moisture Sealed
- ApplicationsWater Treatment Descale
- Control TypeIntegrated Digital PLC
Aviation & Marine
Portable 28.5V DC Heavy-Duty Auxiliary Source
- Output Ratings28.5V DC, up to 600A Peak
- RuggednessShock-Proof Mobile Chassis
- Input Line3-Phase 380V/440V Auto
- Overload300% for 2.0 Seconds
800V Industrial
800V 50A 20kW Programmable Dynamic Source
- Voltage Rating0–800V Seamless Shift
- Dynamic Step≤ 2ms from 10% to 90%
- Isolation3.0kV AC Primary-Ground
- CommunicationCANbus / RS485 Dual
Megawatt Tier
300kW 20V 15,000A Water-Cooled Rectifier
- Current Output0–15,000A Continuous
- Phase InputThree-Phase 380V/480V
- Internal BusesPure T2 Copper Nickel-Plated
- EnclosureSealed NEMA 4X / IP65 Equiv.
Technical Whitepaper
High Voltage Power Topologies in Coastal Caribbean Environments
Engineering considerations for solid-state conversion, galvanic protection, and resilient power electronics serving the Gouyave territory and the Windward Caribbean archipelago.
Marine Commercial Infrastructure & Fisheries Cold-Chain
Gouyave, recognized as the primary artisanal and commercial longline fishing capital of Grenada, depends extensively on continuous-duty processing, blast-freezing operations, and maritime hull maintenance. In high-humidity coastal zones, utility voltage fluctuations are common due to localized line impedence and lightning-induced surges along the island's coastal grid. Operating delicate commercial electronics under these parameters requires industrial-grade galvanic isolation and precision voltage clamping.
Our custom OEM switch-mode DC architectures integrate low-pass output harmonic filters and zero-voltage soft-switching (ZVS) resonant topologies. These configurations prevent high-frequency transients from transferring back into utility feeders or disrupting precision shipboard telemetry, navigational sonar, and shore-power monitoring interfaces installed across Gouyave Bay.
Agro-Processing & Nutmeg Oil Extraction
As the epicentre of Grenada's historical nutmeg processing, the local agro-industrial base increasingly utilizes modern processing stages, including advanced electro-separation, supercritical fluid thermal stabilization, and electrostatic particulate scrubbing. High voltage DC fields ranging from 10kV to 40kV are critical for atmospheric particulate capture, essential oil fraction distillation, and clean biomass drying routines.
Fenvix supplies fully programmable, current-limiting high voltage sources that run closed-loop PID control loops. By dynamically sensing micro-arcs during particulate loading in humid spice-refining atmospheres, our power supplies extinguish discharges within sub-microsecond timescales without dropping system regulation or halting the extraction throughput.
Coastal Desalination & Reverse-Polarity Electrochlorination
Freshwater generation in coastal parishes requires advanced electrochemical treatment. Traditional chlorination is steadily replaced by on-site electrochlorination systems that transform ambient seawater into sodium hypochlorite without chemical transports. These cells demand high-amperage, continuous DC supplies capable of rapid automated polarity reversal to shed magnesium and calcium scale on mixed-metal oxide (MMO) coated titanium anodes.
Our auto-polarity reversing supplies feature microsecond H-bridge IGBT networks designed with integrated timing profiles. By reversing DC polarity across electrolysis cells under programmed durations, scaling is continuously shed, reducing acid-washing cycles, mitigating cell erosion, and maintaining potable output standards with zero chemical consumables.
Regional Technological Trends: Grid Modernization & Corrosion Mitigation
The maritime industrial landscape along the western coast of Grenada is experiencing structural electrification. Driven by national sustainability goals and extreme fuel costs, local engineers are shifting away from inefficient thyristor/SCR power stages to high-frequency IGBT and Silicon Carbide (SiC) semiconductor platforms. The high thermal resistance and switching efficiencies of SiC enable significant reductions in equipment cabinet dimensions, saving critical footprint in shore-side facilities.
Furthermore, marine airborne saline mist presents aggressive corrosive degradation to exposed electronic buswork. Modern procurement specifications strictly demand internal compartmentalization: electronics assemblies are isolated within IP54 to IP66 sealed chambers, while high-amperage current carrying pathways utilize heavy-gauge, nickel- or tin-plated T2 pure copper busbars. Dual-circuit closed-loop liquid-to-air cooling systems are rapidly superseding direct ambient air cooling, completely eliminating the ingress of airborne salt particles into sensitive high-voltage transistor decks.
Technical Sizing Matrix for Marine & Industrial DC Deployments
Design parameters engineered to match tropical coastal service conditions.
| Functional Application | Nominal Output Topology | Key Environmental Protection | Recommended Control Protocol | Applicable Fenvix System |
|---|---|---|---|---|
| Cathodic Protection & Anti-Fouling | 12V – 24V DC / 100A – 1,500A Continuous | Conformal coated PCBs, sealed NEMA 4X housing | Isolated 4–20mA current loop / Modbus | High Frequency Marine Rectifier Series |
| Seawater Electrochlorination | 24V – 48V DC / 500A – 5,000A Polarity Invert | Closed-loop water-to-water heat exchanger | Automated reverse-polarity digital timer | Auto-Polarity Reversing DC Series |
| Electrostatic Essential Oil Scrubbing | 20kV – 80kV DC / 10mA – 100mA Low Ripple | Arc-quench sensing within ≤ 10 microseconds | Fiber-optic decoupled RS485 Interface | High Voltage Precision Adjustable Supply |
| Vessel DC Shore Power & Cold Ironing | 28.5V DC (Aux) or 400V–800V DC (Propulsion) | Marine-grade structural enclosure with shock mounts | Dual CANbus redundant channel telemetry | Heavy-Duty Aircraft & Marine GPU Series |
| Capacitor Discharge Testing (R&D) | 1kV – 100kV DC / Pulse Repetition Configurable | Instant-discharge safety grounding interlock | Programmable arbitrary waveform interface | Capacitor Charging High Voltage Source |
Manufacturer Provenance
13+ Years of Power Electronics Excellence
Guangdong Fenvix Technology Co., Ltd. operates a vertically integrated 3,000m² manufacturing facility in Guangzhou, China, delivering fully verified custom power architectures.
2013
Established Heritage
Over a decade designing high-power rectifiers, high voltage sources, and aerospace frequency converters.
3,000m²
Self-Owned Factory Floor
Integrated metal fabrication, automated busbar bending, modular assembly, and high-voltage burn-in testing bays.
ISO 9001
Certified Quality Control
TÜV Rheinland verified on-site facility adhering to stringent incoming inspection, burn-in, and final calibration.
0 MOQ
Flexible OEM/ODM Delivery
Direct factory customization from single prototype units for pilot projects to series batch deliveries.
Procurement Directives
Frequently Asked Questions for Caribbean Buyers
Key technical, logistic, and warranty details for importing industrial power supplies into Grenada and the wider Caribbean.
Can Fenvix power systems adapt to Grenada's utility voltage (230V single-phase / 400V 50Hz 3-phase)?
Yes. All Fenvix industrial DC supplies and high-voltage converters are custom engineered with universal or region-specific input transformers. We build units to accept 400V 3-phase 50Hz natively, as well as wide input tolerances (±15%) to absorb voltage surges or dips typical of remote feeder networks, ensuring continuous steady-state output without tripping on input faults.
How do you protect high-voltage electronics from tropical marine salt-spray and humidity?
For units operating in coastal areas like Gouyave, we employ a multi-layered protection regimen. Circuit boards receive multiple coats of moisture-curing polyurethane conformal varnish. Power electronics assemblies are housed in IP54 or NEMA 4X stainless steel or powder-coated galvannealed steel cabinets. For extreme environments, we offer closed-loop liquid-cooled or water-cooled units, which isolate the internal electronics entirely from ambient air.
What international quality standards and safety certifications apply to your shipments?
Guangdong Fenvix Technology operates an ISO 9001 certified Quality Management System. Our manufacturing plant has undergone comprehensive on-site audit verification by TÜV Rheinland. Selected series are fully compliant with European Conformity standards, including the Low Voltage Directive (LVD 2014/35/EU), Electromagnetic Compatibility Directive (EMC 2014/30/EU), and RoHS environmental standards. Comprehensive test reports are supplied with each shipment.
What are the logistics, shipping terms, and transit options available for the Caribbean?
We provide standard international Incoterms including FOB Guangzhou/Shenzhen, CFR, CIF St. George's (Grenada), and door-to-door DDP arrangements via maritime container freight or express air cargo (DHL/FedEx/air freight) for urgent replacement modules. Heavy cabinets are packed in reinforced, fumigated plywood export crates engineered to resist maritime moisture, tilt, and shock during ocean transit.
Does Fenvix enforce a Minimum Order Quantity (MOQ) on specialized custom units?
No. We maintain an MOQ of 1 Unit/Set across our entire custom product portfolio. Whether you require a single high-voltage benchtop unit for an R&D laboratory or multiple 10,000A water-cooled rectifiers for an industrial processing site, our engineering team handles custom schematics, busbar layout, and testing with equal rigor.
What after-sales support and spare parts provisioning do you offer overseas buyers?
Every system is shipped with a comprehensive engineering documentation package, including circuit schematics, wiring interconnect diagrams, and recommended spare parts lists. We provide remote commissioning support via video conference and direct technician-to-engineer communication channels. Modular architecture ensures that driver boards, control modules, and IGBT stacks can be quickly serviced or swapped in the field using standard tools.
Need a Customized Power Architecture for Your Facility?
Consult directly with our senior power electronics engineers. We analyze your incoming utility specs, load dynamics, cooling limits, and control interface requirements to provide an optimized factory-direct proposal within 24 hours.