Water Cooled
75kW Water-Cooled Electroplating Rectifier
- Output: 12V-15V / 5000A-6000A
- Cooling: Closed-Loop Water Cooling
- Display: Digital CC / CV Controller
Precision Adjustable High Voltage & High-Current Solutions
Custom-engineered power conversion architectures built to meet rigorous industrial protocols across the Gwangju Metropolitan Area and the Honam Industrial Corridor.
EV & Battery
800V 50A 20kW High Voltage Test Supply
- Voltage: Adjustable 400V–800V DC
- Current: 0–50A Fast Transient
- Compliance: CE, LVD, EMC, RoHS
Ultra High V
80kW 3200V High Voltage Adjustable Unit
- Voltage: 1000V / 2000V / 3200V
- Topology: IGBT Soft-Switching Resonance
- Application: Capacitor Burn-in / Aging
Pulsed / HV
100kV Capacitor Charging HV DC Source
- Output: 0–100kV Controllable
- Current: 10mA Constant Charging
- Safeguards: Instant Flashover Protection
Heavy Current
12V 4000A 48kW Anodizing & Plating Rectifier
- Regulation: 0–12V Stepless Adjustable
- Efficiency: ≥ 90% at Rated Full Load
- Interface: RS-485 Modbus / 4-20mA
Descaling
48V 625A Auto-Polarity Reversing Supply
- Power: 30kW Continuous Load
- Cycle: 4-Segment Automated Reversal
- Application: Electrochemical Descaling
Programmable
5kW Benchtop Programmable DC Source
- Accuracy: ≤ 0.1% Full-Scale Precision
- Dynamic: Ultra-Low Voltage Ripple (≤0.5%)
- Control: Programmable Ramps & Dwell
Lab Testing
16kW 4000V Adjustable DC Power Supply
- Range: 0–4000V Multi-Range Current
- Input: 3-Phase 380V/440V 50/60Hz
- Protection: Over-Voltage / Arc Detection
Engineering Resilience: Supplying Gwangju's High-Tech Eco-System
The metropolitan economy of Gwangju, South Korea, is recognized across East Asia as a nexus of next-generation mobility, photonics, and advanced lithium battery storage systems. Anchored by the Gwangju Bitgreen National Industrial Complex and the specialized Gwangju R&D Special Zone (Innopolis), this territory imposes strict technical mandates upon precision DC power sources. Power supplies are not simple energy convertors; they serve as critical test bench infrastructures for wide-bandgap silicon carbide (SiC) semiconductors, battery pack end-of-line (EOL) stress diagnostics, and advanced surface finishing on automotive structural lightweight alloys.
As an OEM/ODM manufacturing factory with over 13 years of specialized power electronics expertise, Guangdong Fenvix Technology Co., Ltd. produces adjustable high-voltage and high-current direct-current power supplies that match the Korean three-phase standard (typically 380V or 440V AC at 60Hz). By combining high-frequency IGBT soft-switching topologies with ultra-dense planar magnetic architectures, Fenvix equipment delivers an efficiency factor exceeding 90%, ultra-low ripple voltage (≤0.5% RMS), and sub-millisecond dynamic transient response times required by R&D institutes in the Honam region.
EV Powertrain & Battery Testing
Supporting Gwangju Global Motors (GGM) and local Tier-1 EV supply chains with 400V to 1000V DC programmable testing units. Essential for high-voltage DC-bus simulation, onboard charger validation, and rapid short-circuit overload thermal dissipation analysis.
Optoelectronics & Photonic Aging
Gwangju's Photonic Convergence Cluster demands pristine low-noise power. Our programmable high-voltage racks offer 3.2kV to 30kV regulated DC output with low harmonic distortion for precision laser diodes, optical fiber coating, and high-energy electrospinning processes.
Electroplating & Anodic Oxidation
Addressing continuous duty electrochemical requirements in regional metal finishing facilities. Featuring water-cooled modular enclosures resistant to ambient acid mist, continuous CC/CV transitions, and programmable polarity reversal for scale removal.
Engineering Matrix: Fenvix Adjustable DC Power Series
Precision power architecture selection depends on duty profile, thermal management access, voltage threshold, and automated supervisory communication protocol. Below is an engineering overview for system designers and procurement engineers serving operations across Gwangju and South Jeolla Province:
| Application Vector | Nominal Output Matrix | Primary Topologies | Cooling Mode | Interface / Remote Protocol |
|---|---|---|---|---|
| Battery Pack & EV Aging | 0–1,000V DC / 0–200A | IGBT PWM Soft-Switching Resonance | Forced Air / Water | Isolated RS485 / Modbus-RTU / CAN |
| Electroplating & Hard Chrome | 6–24V DC / 500–15,000A | High-Frequency Bridge Rectification | Deionized Water Closed Loop | Analog 0–10V, 4–20mA, Touch HMI |
| Capacitor Charging & Pulse Lab | 1,000V–100,000V DC / ≤50mA | Series Resonant Multiplier Stack | Oil Insulated / Clean Air | Dry Contact Interlock & Fiber Optic |
| Electrophoretic E-Coat | 0–800V DC / 10–100A | Constant Voltage Ramp Regulation | Air Cooled Sealed Duct | PLC Integration Terminal Block |
| Industrial Descaling System | 24–48V DC / 200–2,000A | H-Bridge Electronic Auto-Reversal | Forced Air Cooling | Programmable Cycle Timer + RS485 |
Why South Korean Industrial Consignees Partner with Fenvix
For cross-border engineering teams sourcing heavy power apparatus, procurement risk encompasses downtime vulnerability, inadequate EMI/EMC compliance, and slow response to customization. Fenvix bridges these challenges through an internal manufacturing ecosystem operating since 2013 in Guangdong, fully validated by international bodies.
In-House Sheet Metal & Busbars
Unlike assemblers reliant on subcontracted chassis, our facility shears, punches, mills, and taps thick-gauge copper busbars and corrosion-treated steel cabinets on dedicated CNC equipment, ensuring superior thermal transfer.
TÜV Rheinland On-Site Verified
Our workshop, production capacities, and ISO 9001 quality management infrastructure have been thoroughly assessed by TÜV Rheinland, providing certified authenticity for strict procurement audits.
100% Load-Burn-In Validation
Every industrial unit undergoes strict electrical burn-in, oscilloscope harmonic waveform verification, and dielectric isolation tests before export packaging in shock-resistant seaworthy timber crates.
Main Production Floor
Digital Waveform & Ripple Inspection
Completed Heavy Power Cabinets
Technology Trends Shaping the Gwangju Power Supply Market
As the Gwangju Metropolitan City continues rolling out the "AI Convergence Complex Project" and deepens investments in clean mobility, factory engineers are rethinking their baseline auxiliary power equipment. The convergence of smart factories and eco-friendly manufacturing dictates three pronounced evolutionary trajectories:
1. Transition from Thyristor (SCR) to High-Frequency IGBT Architectures: Traditional silicon-controlled rectifiers generate heavy electrical line interference and suffer low efficiency when run below maximum ratings. Korean plant operators are steadily modernizing legacy lines with high-frequency IGBT units, yielding up to 25% lower utility consumption and a physical footprint reduction exceeding 50%.
2. Microsecond Fault Protection for Wide-Bandgap Semiconductor Testing: Next-generation SiC and GaN power device R&D at the Gwangju Institute of Science and Technology (GIST) requires power supplies capable of extinguishing high-voltage arcs in microseconds. Fenvix integrates proprietary micro-controller arc-detection algorithms that shut down output pulses faster than standard thermal relays, protecting costly test chips from catastrophic destruction.
3. Harsh-Environment Corrosion Defense in Plating Shops: Gwangju's automotive suppliers encounter aggressive acid vapor in hard anodizing and chrome plating facilities. Air-cooled rectifiers draw these caustic vapors directly across sensitive control logic. Fenvix sealed water-cooled configurations isolate internal switching components into an IP54 sealed enclosure, transferring heat via internal deionized water-cooling plates to external heat exchangers.
Frequently Asked Questions by Gwangju & South Korean Buyers
Can Fenvix power supplies match South Korea's 380V/440V 60Hz grid input?
Yes. While standard export equipment is frequently manufactured for 50Hz, all Fenvix units engineered for Korean industrial sites are configured for 3-phase 380V (±10%) or 440V (±10%) AC input at 60Hz. Transformers, input filter capacitors, and phase-lock loops are custom-wound and tuned to guarantee zero line instability and full rated output current.
What is your minimum order quantity (MOQ) for custom voltage architectures?
We operate with zero Minimum Order Quantity (MOQ: 1 unit). We support R&D labs, corporate testing facilities, and pilot plant installations requiring specialized one-off prototypes (such as 0–100kV capacitor chargers or 15,000A plating rectifiers) with the exact same engineering rigor applied to containerized OEM runs.
How is after-sales technical support managed for buyers in South Korea?
We provide direct engineer-to-engineer technical consultation through real-time video sessions, full English-language CAD schematics, step-by-step commissioning guides, and plug-and-play modular board replacements. If required, on-site technical support can be arranged via third-party engineering agreements.
What trade terms and freight transit times apply to shipments bound for Gwangju?
We support standard international terms including CIF Busan / Gwangju, FOB Guangzhou/Shenzhen, EXW, and DDP direct to your facility gate. Standard sea-freight transit from our Guangdong port to Busan Port typically requires only 3 to 5 sailing days, enabling prompt customs dispatch and logistics movement into Gwangju.
Can the units interface with existing local PLCs (LS Electric, Mitsubishi, Siemens)?
Yes. Every programmable DC unit and industrial rectifier can be equipped with galvanic-isolated RS485 Modbus-RTU, Profibus, CAN, or standard 0–10V / 4–20mA analog interfaces. This facilitates direct integration into LS Electric or Mitsubishi PLCs for automated SCADA supervision, data logging, and emergency circuit tripping.
Design Your Custom DC Power Solution Today
Whether your application requires a single prototype high-voltage capacitor charging unit or an automated multi-bay 15,000A electroplating system, our senior application engineers deliver comprehensive circuit designs and quotations within 24 business hours.
Inquire Now