12V-15V 5000A-6000A 75kW Water-Cooled High-Frequency Rectifier
- Output Power: 75 kW Heavy-Duty
- Cooling Design: Deionized Water Cooling
- Control Architecture: Digital Microprocessor CV/CC
Industrial Sourcing Directory
Engineered DC Power Supplies & High-Current Rectifiers
High-reliability adjustable DC systems engineered directly by Guangdong Fenvix Technology Co., Ltd. for extreme duty cycles, continuous plating, aerospace verification, and industrial electrolysis.
12V 150A High-Frequency Precision Electroplating Rectifier
- Output Current: 0–150A Continuous
- Applications: PCB Gold / Silver Deposition
- Ripple Factor: ≤ 1% Full Scale Ripple
Factory Customized 8000A 12V Water-Cooled Industrial Rectifier
- Current Rating: 8000A Constant Output
- Corrosion Shield: Sealed NEMA 4X / IP54 Cabinet
- Interface: RS485 Modbus RTU / Profibus
800V 400V 50A 20kW Programmable High-Voltage DC Source
- Voltage Dynamic: 0–800V Fully Adjustable
- Transient Response: < 2ms Step Response
- Target Domain: EV Powertrain / Battery Pack Test
300kW 20V 15000A Ultra-High Current Electrolysis Rectifier
- Max Current: 15,000A Symmetrical Busbar
- Efficiency: > 92% Nominal Load
- Cooling Cycle: Closed-Loop Pure Water Chilling
48V 625A 30kW Programmable Auto-Polarity Reversing Supply
- Reversal Speed: Solid-State H-Bridge Switching
- Process: Electrochemical Scale Dissolution
- Controller: Integrated Multi-Step Profile PLC
0–100kV Ultra-High-Voltage Capacitor Charging DC Source
- Output Precision: 0.1% Full Range Stability
- Safety Systems: Dual Ground Interlock / Arc Suppress
- Use Cases: Pulse Power Physics, Electrospinning
Portable 28.5V DC Aviation Ground Power Unit (GPU)
- Continuous Amp: Up to 600A (2000A Peak Start)
- Standard: Mil-STD-704F / ISO 6858 Compliance
- Chassis: All-Terrain Rugged Towable Frame
13+
Years Continuous R&D
15,000A
Max Output Capability
100kV
High-Voltage Range
100%
Burn-In Load Tested
Future Sourcing Trends for Industrial Adjustable DC Power Supplies
The international market for industrial high-capacity adjustable power supplies is experiencing a paradigm shift driven by high-efficiency manufacturing, electrochemistry modernization, and electrical vehicle battery ecosystem scale-up. Global plant operators and EPC contractors no longer prioritize lowest-unit capital cost over Levelized Cost of Operation (LCOO). The transition from conventional silicon-controlled rectifiers (SCR) toward high-frequency insulated-gate bipolar transistor (IGBT) and silicon carbide (SiC) topologies is reducing thermal dissipation losses by 20% to 35% across multi-megawatt electrolytic refineries and automotive electrodeposition systems.
Concurrently, procurement managers face stringent regional compliance mandates regarding harmonic distortion and grid quality. Traditional 6-pulse or 12-pulse SCR systems inject significant total harmonic distortion (THD) into plant electrical infrastructure, incurring power factor penalties and requiring bulky passive harmonic filters. Modern modular IGBT power sources feature active power factor correction (PFC ≥ 0.95) and high switching frequencies (up to 40kHz), resulting in low-ripple outputs (≤ 1% standard, down to ≤ 0.1% with LC filtering stages) that significantly enhance metal crystal nucleation density in chrome, nickel, and precious metal surface engineering.
SiC & High-Frequency IGBT
Next-generation switching modules deliver higher thermal tolerance, ultra-compact footprint reductions of up to 45%, and system conversion efficiencies exceeding 93% across varied duty cycles.
Deterministic Digital Interfaces
Integration of low-latency fieldbus communications (Profinet, EtherCAT, and Modbus TCP) enabling synchronous current ramps, data logging, and closed-loop process automation.
Closed-Circuit Fluid Thermal Design
Separation of internal electronics from corrosive acidic bath vapors using closed-loop deionized liquid chilling, ensuring high mean time between failures (MTBF > 80,000 hours).
Architecture Benchmarks: SCR Rectification vs. High-Frequency Switched-Mode
When evaluating suppliers in China for heavy direct-current rectification and high-voltage excitation, understanding the underlying circuit topology is critical to long-term operational success. The engineering decision involves balancing initial capital allocation, harmonic compliance, efficiency across fluctuating loads, and resistance to harsh ambient plant atmospheres:
| Performance Dimension | Legacy Thyristor / SCR Control | Fenvix High-Frequency IGBT / PWM | Engineering Operational Impact |
|---|---|---|---|
| Conversion Efficiency | 70% – 82% at partial load | 90% – 94% across 20-100% capacity | Substantial energy bill reduction in 24/7 continuous operations |
| Output Current Ripple | 5% to 15% (Requires massive chokes) | < 1% to 2% RMS Native | Enhanced plating layer uniformity; eliminates micro-porosity |
| Dynamic Slew Rate | Slow (100ms – 300ms response) | Fast (< 2ms step-load response) | Critical for precise EV component burn-in and laboratory simulation |
| Cabinet Physical Volume | Large, heavy footprint (> 1500kg) | Compact modular design (400–600kg) | Optimizes plant floor area; lowers structural crane and transit costs |
| Grid Disturbance (THD-i) | High harmonic injection (THD > 30%) | Low harmonic content (THD < 5% w/ PFC) | Prevents transformer overheating and factory grid compliance penalties |
Guangdong Fenvix Technology: Vertically Integrated Manufacturing
Founded in 2013 in Guangzhou, Guangdong, Guangdong Fenvix Technology Co., Ltd. has established an advanced engineering and manufacturing campus dedicated to custom industrial DC power systems, solid-state 400Hz frequency converters, and high-voltage power electronics. Unlike commercial assembly traders or brokers, Fenvix maintains full internal control over the precision metal fabrication, copper busbar engineering, planar transformer winding, PCB surface mounting, and structural testing phases.
Our 3,000 m² specialized facility houses shearing, automated CNC punching, drilling, milling, and precision tapping machinery. This vertical integration allows our engineering teams to build bespoke liquid-cooled cold plates and high-current pure copper busbar conduits engineered to withstand 15,000A galvanic surges without thermal breakdown. Every unit undergoes multi-point oscilloscope testing, high-potential insulation verification (Hi-Pot), full-amperage resistive load testing, and 72-hour continuous thermal burn-in before release to packaging.
Procurement & Engineering FAQ
What engineering variables must be specified for a bespoke adjustable DC power system?
To ensure accurate sizing of switching devices, magnetic cores, busbars, and protection loops, specify:
- Primary AC Mains: Line voltage, phase configuration, and frequency tolerance (e.g., 380V/480V ± 10%, 50/60Hz).
- DC Dynamic Range: Continuous maximum voltage, maximum operating amperage, and output range limits.
- Regulation Mode: Constant Current (CC), Constant Voltage (CV), or automated programmable transitions.
- Thermal Architecture: Forced air convection with conformal-coated electronics, or sealed closed-loop liquid/water chilling.
- Communications & Control: Standard RS485 (Modbus-RTU), CANopen, 0–10V / 4–20mA analog interfaces, or industrial Ethernet.
- Target Environment: Ambient operating temperatures, presence of acid/alkali vapors, conductive dust, and altitude.
When is liquid water cooling required over forced air cooling?
Forced air cooling is cost-effective and low-maintenance for laboratory units and systems delivering under 3,000A. However, in heavy continuous processes (e.g., hard chrome electroplating, copper foil deposition, water electrolysis, and hydrogen cell stacks) where currents range from 4,000A to 15,000A, water-cooled configurations are essential. Water cooling allows the cabinet to remain completely sealed against airborne corrosive aerosols, protecting IGBT modules, snubbers, and driving boards, which extends service life in electroplating shops.
What are Fenvix's minimum order policies and production lead times?
Fenvix maintains a strict No Minimum Order Quantity (No MOQ) policy. We deliver single-unit specialized prototypes for university laboratories, R&D centers, and custom pilot plants, as well as full-scale OEM batch runs. Lead times for standard customized units are generally 2 to 3 weeks, while high-power systems (e.g., 300kW to 1MW) require 4 to 6 weeks, which includes full-load burn-in validation.
What third-party testing and quality certifications are provided?
Guangdong Fenvix Technology Co., Ltd. operates under an audited ISO 9001 quality management structure. Our systems are manufactured to comply with CE directives, including the Low Voltage Directive (LVD 2014/35/EU) and Electromagnetic Compatibility Directive (EMC 2014/30/EU). Our factory operations, design facilities, and financial credentials have been audited and verified on-site by TÜV Rheinland. Individual unit factory acceptance test (FAT) inspection reports are provided prior to export dispatch.
How does Fenvix handle international commissioning and technical service?
Every custom power supply is shipped with complete English terminal schematics, cable interconnect schedules, and comprehensive operator manuals. Our engineering teams provide remote video commissioning support, PLC configuration backup, and dynamic diagnostics. For heavy industrial installations, on-site commissioning and engineer dispatch can be arranged globally via our factory technical service agreements.
What international trade incoterms and settlement currencies are supported?
We support international trade terms including FOB (Guangzhou / Shenzhen / Hong Kong), CIF, CFR, EXW, FCA, CPT, and door-to-door DDP arrangements with customs clearance. Financial settlement is supported via T/T, Irrevocable Documentary L/C at sight, and commercial transactions in major currencies including USD, EUR, GBP, AUD, CAD, JPY, and CNY.
Have a Non-Standard Power Engineering Requirement?
Consult directly with our power electronics application engineers to review process schematics, electrical line designs, or custom voltage-current envelopes.