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ISO 9001 Certified Manufacturer Exporting to 4 Continents
ISO 9001:2015 & TÜV Rheinland Verified Factory

High Voltage Adjustable DC Power Supply Manufacturer Serving Houston

Precision Solid-State Switching Architectures, Programmable Laboratory Systems, and Industrial DC Rectifiers Tailored for Greater Houston’s Energy, Aerospace, and Petrochemical Sectors.

Engineered High-Voltage & High-Current Systems

Heavy-duty, precision programmable DC architectures built to withstand demanding utility grids, research environments, and Gulf Coast industrial installations.

Up to 75kW
12V 15V 5000A 6000A 75KW Water Cooled High Frequency Electroplating Rectifier

Water-Cooled High-Frequency DC Rectifier

  • Voltage / Current12V–15V / Up to 6000A
  • Output Power75 kW Continuous
  • Cooling ModeClosed-Loop Liquid Cooled
  • Operational ModeCV / CC Auto-Crossover
R&D Test
800V 400V 50A 20KW High Voltage Adjustable DC Power Supply

800V/50A Adjustable High Voltage Source

  • Voltage Range0–800V Continuous Adj.
  • Current Output0–50A Fast Transient
  • Total Rating20 kW Active Stage
  • InterfaceRS485 / Modbus / 0-10V
Pulsed / HV
0-100KV High Voltage Capacitor Charging DC Power Supply

100kV Ultra-HV Capacitor Charging Supply

  • Voltage Potential0–100,000V DC Precision
  • RegulationConstant Current Ramp
  • ProtectionArc, Quench & Crowbar Safe
  • ApplicationsPhysics Lab & Plasma R&D
Industrial Heavy
80KW 1000V 2000V 3200V HV DC Power Supply

80kW 3200V High-Precision DC System

  • Voltage Selection1000V / 2000V / 3200V
  • Thermal ControlForced Air / Water Exchange
  • Digital ControlsMicroprocessor Digital Bus
  • TopologyHigh-Efficiency IGBT Bridge
Water Treatment
48V 625A 30KW Programmable Auto Polarity Reversing DC Power Supply

Auto-Polarity Reversing Descaling Supply

  • Output48V / 625A Continuous
  • Cycle ControlProgrammable H-Bridge Flip
  • Timing UnitsSub-second to Multi-hour Cycle
  • CoolingIsolated Airflow Channel
Electrochemistry
300kW Three-Phase AC DC High Current Electrolysis Rectifier

300kW 15,000A Heavy-Duty Electrolyzer

  • Output Spec20V / Up to 15,000A
  • Three-Phase Input380V/480V ±10% 50/60Hz
  • BusbarsOxygen-Free Solid Copper
  • Thermal RatingContinuous 100% Full Load
Aviation Support
Portable 28.5V AC-DC Aircraft Ground Power Unit

Portable 28.5V Aircraft Ground Power (GPU)

  • Regulated DC28.5V DC Engine Start
  • Surge PeakUp to 2000A Cranking Current
  • ChassisTowable All-Weather Enclosure
  • StandardMil-STD-704F Compliant Ripple
Aviation Solid-State
930kVA 3 Phase 400Hz Solid State Frequency Converter

930kVA 400Hz Solid-State Converter

  • Input / Output60Hz Grid to 400Hz Avionics
  • Voltage Delivery115V / 200V 3-Phase AC
  • THD Output< 2% Linear Harmonic Distortion
  • Overload Span300% Dynamic Transient Rating

Serving the Houston Industrial Corridor: Specialized Engineering Applications

Houston’s industrial ecosystem—spanning the Energy Corridor, Houston Ship Channel, NASA Clear Lake, and the Texas Medical Center—demands custom, non-standard DC power engineering capable of continuous operation under humid, corrosive Gulf Coast operating conditions.

Downhole Tool & Subsea Wellhead Simulation

Oilfield services operating along Beltway 8 and North Houston test logging-while-drilling (LWD) and measurement-while-drilling (MWD) electronics under high-pressure, high-temperature (HPHT) regimes. Fenvix supplies programmable high-voltage DC power supplies running from 300V to 3,200V with sub-millisecond current limiting. These units simulate micro-pulsing telemetry arrays, ensuring telemetry strings do not experience catastrophic thermal runaways during multi-day simulated test burns.

Houston Ship Channel Pipe Cladding & Hard Chrome

Corrosion-mitigation facilities coating OCTG casing, risers, and chemical subsea manifolds require robust low-voltage, ultra-high-current rectification. Fenvix water-cooled rectifiers (delivering 12V–24V up to 15,000A) maintain total current ripple below 2% RMS across wide input swings. Liquid cooling completely isolates sensitive IGBT power blocks from airborne chloride, sulfide vapor, and ambient humidity native to the Gulf Coast atmosphere.

Electrolytic Hydrogen & Carbon Capture Testing

With massive public and private capital infusing the Texas Gulf Coast Hydrogen Hub, pilot electrolyzer and carbon sequestration installations require dependable high-power DC test equipment. Fenvix builds high-power variable rectifiers matching proton exchange membrane (PEM) and solid oxide electrolyzer cell (SOEC) curves, integrating high-speed polarity reversing and continuous data acquisition via standard industrial fieldbus interfaces.

Aerospace Avionics & Spaceflight Hardware Validation

Supporting contractors centered around the NASA Johnson Space Center, Ellington Field, and private aerospace launch corridors, Fenvix manufactures static 400Hz frequency converters and 28.5V DC aircraft ground support units. Engineered to Mil-STD-704F regulations, these systems isolate mission-critical flight avionics, actuation gimbals, and satellite battery modules with tight THD (<2%) and transient-suppressed DC delivery.

Commercial EV Powertrain & Fleet Charging Stress-Testing

As commercial fleet electrification accelerates throughout Southeast Texas logistics corridors, battery system integrators and power electronics test benches demand dynamic programmable DC loads and power supplies. Fenvix units offer bipolar capabilities, seamless CV/CC crossover, and programmable voltage ramp slopes up to 2,000V DC to stress-test high-voltage traction inverters, DC fast chargers, and commercial battery storage packs.

Industrial Water Descaling & Produced-Water Remediation

Handling saltwater disposal and produced-water treatment systems requires constant descaling through electrochemical precipitation. Fenvix programmable auto-polarity reversing power supplies feature user-configurable 4-segment reversing cycle timers and ruggedized enclosures. These systems mitigate scale deposition on titanium MMO electrodes without requiring mechanical disassembly or hazardous acid washes.

Technical Architecture Comparison for Specifying Engineers

A reference architecture matrix outlining electrical thresholds, cooling requirements, and conversion topologies for high-voltage DC installations across the Houston territory.

Process Application Typical Voltage / Current Switching Topology Cooling Architecture Gulf Coast Field Reliability Factors
Deepwell Tool Qualification 0–1,000V to 3,200V / 10–60A High-Freq IGBT Switchmode PWM Forced Air / Air-to-Water Fast transient recovery, arc suppression crowbar, low noise ripple (<0.1% RMS).
Offshore OCTG Electroplating 6–24V / 2,000–15,000A Full-Bridge Soft-Switching Rectifier Closed-Loop Deionized Water Full conformal coating of logic boards; sealed heat exchanger isolates salt fog.
Capacitor Discharge Testing Up to 100kV / 10mA–500mA Resonant Cockcroft-Walton / Pulse Mod Oil-Immersed / Dry HV Stack Instantaneous back-EMF protection, fail-safe discharge resistor grounding.
Produced-Water Descaling 24–48V / 200–1,200A H-Bridge Reversing IGBT Inverter Forced Air (Conformal Coated) Sub-second polarity reversal without line dropouts; programmable cycling.
Avionics GSE & Hangar Flightline 28.5V DC / 115V AC 400Hz Pure Sine Solid-State Inverter Heavy-Duty External Air Mil-STD-704F compliance, 300% peak cranking surge capacity, low THD (<2%).

Regional Industrial Trends: The Electrification of Greater Houston

Houston is evolving beyond its traditional legacy as the world’s hydrocarbon capital into a multifaceted energy transition hub. This shift introduces complex power conditioning, high-voltage DC conversion, and localized electrical engineering challenges.

1. The Transition to Megawatt-Scale Solid-State Power Electronics

Industrial operations in Pasadena, Baytown, and Freeport are progressively phasing out older Silicon Controlled Rectifier (SCR) equipment. Heavy, oil-filled transformer stacks suffer from sluggish dynamic response times, low power factors (frequently dropping below 0.75 without heavy capacitor banks), and excessive harmonic distortion fed back onto the local ERCOT transmission grid. High-frequency IGBT switchmode power supplies operate at power factors greater than 0.95, slashing industrial utility penalties while shrinking floor footprint by up to 60%. For facilities facing strict footprint limits inside plant control rooms, this power density represents a marked technical upgrade.

2. Extreme Environmental Resiliency Along the Gulf Coast

Houston’s subtropical coastal climate presents distinct operational hazards: prolonged ambient temperatures exceeding 100°F (38°C), high relative humidity, and atmospheric chloride exposure blowing off Galveston Bay. Air-cooled power supplies that draw unfiltered ambient air across exposed high-voltage traces frequently suffer from insulation breakdown, particulate tracking, and premature board failure. The industrial market is aggressively adopting closed-loop water-cooled power supplies. By isolating the internal switching topology within a sealed cabinet and heat-exchanging thermal loads through treated industrial chilled water, plant managers eliminate corrosion risks and extend mean time between failures (MTBF).

3. Microgrid Integration and Distributed DC Topologies

With severe weather events placing unpredictable stress on regional transmission infrastructure, Houston’s critical petrochemical, pipeline pumping, and cryogenic processing facilities are actively implementing private microgrids. These architectures combine on-site combined heat and power (CHP), utility-scale battery energy storage systems (BESS), and dedicated backup generation. As microgrids lean heavily toward internal DC bus architectures, high-voltage adjustable DC-to-DC converters and high-capacity bidirectional rectifiers serve as the core backbone for matching generation voltage to continuous industrial loads without incurring multiple inversion losses.

Factory Direct Manufacturing: Guangdong Fenvix Technology

Founded in 2013, Guangdong Fenvix Technology Co., Ltd. operates a 3,000m² purpose-built power electronics manufacturing plant. We do not act as an export trading broker; we are the primary design engineering and equipment fabrication facility.

In-House Metal & Busbar Fabrication

Unlike assemblers who outsource sheet metal and copper bending, Fenvix controls every step in-house: automated plate shearing, high-tonnage punching, precision milling, drilling, and high-conductivity copper busbar machining. This internal manufacturing workflow guarantees structural integrity, optimal internal clearances for high-voltage isolation, and rapid delivery of non-standard cabinet footprints.

Full OEM / ODM & No MOQ Threshold

We believe advanced engineering should not be gated behind arbitrary mass-market minimums. Fenvix provides complete prototype engineering, custom circuit topology design, and single-unit (MOQ: 1 Set) manufacturing for pilot tests, university laboratories, and custom industrial skids. Complete private labeling and custom enclosure finishes are standard options.

TÜV Rheinland Verified & ISO 9001 Certified

Our quality management infrastructure is certified under ISO 9001 standards, and our manufacturing facilities undergo independent on-site operational audits by TÜV Rheinland. Key product lines hold CE, RoHS, LVD, and EMC conformity certifications. Every system undergoes extensive full-load burn-in and oscilloscope verification prior to crate crating and export dispatch.

13+ Years of Power Engineering
3,000m² Integrated Production Workshop
50+ Qualified Component Vendors
100% Full Load Burn-In Inspected

Procurement & Technical Engineering FAQ

Practical questions frequently raised by Houston-based electrical project managers, operations engineers, and overseas industrial buyers.

Can Fenvix power supplies be configured for US standard industrial inputs (480V 3-Phase 60Hz)?
Yes. Every unit manufactured for export to North America is engineered around standard industrial grid parameters. We routinely configure power supplies for 480VAC 3-Phase 60Hz, 208VAC 3-Phase 60Hz, or standard 120V/240V single-phase lines. Our magnetic stages, inductors, and filter capacitors are rated specifically for 60Hz operation to avoid overheating or line saturation.
How do you protect high-voltage cabinets from the humid, corrosive Gulf Coast atmosphere?
For Houston facilities located along the Ship Channel, Galveston Bay, or humid coastal plains, we recommend closed-loop liquid-cooled (water-cooled) architectures. These units feature sealed NEMA/IP enclosures where internal heat is conducted through liquid cold plates, preventing airborne moisture, hydrogen sulfide, and marine salt air from contacting sensitive high-voltage traces. For forced-air units, all internal PCB surfaces receive triple conformal coatings, and critical electrical hardware is isolated in sealed internal compartments.
What parameters are needed to engineer a custom high-voltage DC power supply?
To provide an accurate technical schematic and commercial quote, our engineering team needs: input voltage/phase/frequency; maximum output voltage and current ranges; control mode requirements (Constant Voltage, Constant Current, or auto-crossover); allowable output voltage/current ripple percentages; operational duty cycle (intermittent vs. continuous 24/7 full-load); preferred cooling methodology; required communication buses (RS485 Modbus, Profibus, Ethernet, or analog 0-5V/0-10V); and any site-specific enclosure or safety interlock parameters.
What international trade terms (Incoterms) and logistics options are available for Houston delivery?
We regularly handle DDP (Delivered Duty Paid) shipping directly to your project site or corporate warehouse throughout Houston, Harris County, and neighboring Texas industrial hubs. Under DDP terms, Fenvix manages ocean freight, customs brokerage, tariffs, import duties, and final flatbed or liftgate trucking. Alternatively, we support FOB, CIF (Port of Houston), FCA, and expedited international air freight for rapid laboratory or prototyping timelines.
How does Fenvix support overseas commissioning, technical support, and warranty claims?
All systems are shipped with detailed electrical schematics, point-to-point wiring diagrams, and comprehensive operating manuals. Our engineering division provides pre-commissioning walkthroughs and commissioning technical support via real-time video conferencing. Furthermore, independent third-party audits have confirmed our capability to dispatch on-site technical support for large-scale industrial installations. We maintain modular spare-part inventories (control cards, IGBT driver boards, and SCR modules) ready for rapid air dispatch to minimize field downtime.
Can your power supplies interface with modern SCADA and PLC control networks?
Yes. Our programmable models incorporate standard industrial automation connectivity, including RS485 (supporting standard Modbus-RTU), RS232, optional CAN bus, and isolated analog control interfaces (0–5V, 0–10V, or 4–20mA current loops). Digital registers expose full parameter telemetry, including real-time voltage/current readouts, alarm status codes (overvoltage, overcurrent, overtemperature, phase-loss), and external enable/inhibit contacts for integration with emergency stop safety circuits.

Consult With Our Power Electronics Engineering Team

Whether designing a pilot high-voltage testing skid in the Energy Corridor or expanding an electrochemical plating facility near the Port of Houston, Fenvix delivers custom, factory-direct DC power systems built to your precise load specifications.

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Guangdong Fenvix Technology Co., Ltd. · ISO 9001 Certified · Direct Factory Sales · Typical Technical Quotations Delivered Within 24 Hours