High-Performance Power Supplies Engineered for Hanoi Industry
From water-cooled plating rectifiers to extreme-stability high-voltage modules, explore 8 flagship power configurations tailored for automated anodizing, electrochemistry, and precision plasma electrolyte processes.
12V/15V 5000A–6000A 75kW Water-Cooled DC Rectifier
- TopologyHigh-Frequency IGBT
- Output12V/15V, 6000A (75kW)
- CoolingDeionized Water/Closed-Loop
- ControlRS485 Modbus / 4-20mA
12V 4000A 48kW High Frequency Rectifier CV/CC
- Efficiency≥90% at Rated Load
- Output0–12V, 0–4000A Continuous
- Ripple≤2% RMS Low Ripple
- ProtectionOVP, OCP, OTP, Phase Loss
Custom 8000A 12V Heavy-Duty Water-Cooled PSU
- ApplicationContinuous Strip & Heavy Plating
- Duty Cycle100% 24/7 Full Rating
- EnclosureAnti-Corrosion Sealed Cabinet
- StandardsCE, LVD, EMC Verified
100A–3000A Anodic Oxidation DC Rectifier
- Voltage12V / 24V / 60V Configurable
- ControlPrecision Soft-Start Ramp
- InterfaceDigital Meter & PLC Remote
- ApplicationTitanium & Al Hard Anodizing
800V 50A 20kW Programmable High Voltage DC Source
- Voltage Range0–400V / 0–800V Adjustable
- ResponseFast Microsecond Arc Suppress
- InterfaceRS485 / CAN / Analog 0–10V
- ComplianceCE, RoHS, LVD Conformity
80kW 1000V–3200V High Precision DC Source
- Power Capacity80kW Continuous Output
- High VoltageUp to 3200V DC Regulated
- Stability≤0.1% Line & Load Regulation
- DesignModular Dual-Stage Topology
48V 625A 30kW Auto Polarity Reversing DC Supply
- SwitchingMillisecond Electronic Reversal
- CycleProgrammable Multi-Period Timer
- CoolingForced Air or Air-Water Hybrid
- ApplicationDescaling & Advanced Polishing
300kW 20V 15,000A Water-Cooled High-Current Rectifier
- CurrentUp to 15,000A Sustained DC
- Input380V/415V/480V 3-Phase AC
- CertificationISO 9001, TÜV Rheinland Audited
- Efficiency~92% with Low Copper Loss
Precision Electrolyte Plasma Polishing in the Greater Hanoi Industrial Belt
Northern Vietnam has evolved into a premier destination for multinational electronics tier-1 suppliers, automotive manufacturing, and biomedical machining. Fenvix power supply architectures empower automated plasma electrolytic polishing (PEP) systems across key industrial parks in Hanoi, Bac Ninh, and Vinh Phuc.
Consumer Electronics Metal Frames & Components
Fabrication clusters around Noi Bai Industrial Zone, Bac Ninh, and Thai Nguyen demand mirror-finish titanium and stainless steel enclosures for smartphones, wearables, and camera bezels. Fenvix high-voltage switching sources deliver the precise micro-arc plasma discharge envelope needed to reach sub-0.02µm Ra roughness without micro-cracking thin structural walls.
Medical Implants & Surgical Orthopedic Tools
Biomedical component workshops situated along the Thang Long Industrial Park corridors utilize plasma electrolyte deburring and polishing for titanium bone plates, spinal screws, and dental fixtures. Our programmable power modules support multi-step voltage ramping profiles, eliminating residual burrs while creating a passivated, biocompatible oxide layer free of chemical entrapment.
Automotive Powertrain & EV Battery Busbars
Precision stamping and high-speed CNC centers in Quang Minh and Dong Anh rely on our high-current and polarity-reversing DC power supplies to polish intricate transmission gears, copper busbars, and EV connectors. The rapid electrolytic discharge clears tooling ridges in under 90 seconds while minimizing dimensional reduction to less than 3µm per face.
Technical Synergies: Why Plasma Electrolytic Polishing Requires Dedicated Power Stage Control
Unlike conventional mechanical wheel buffing or hazardous acid pickling, Plasma Electrolytic Polishing (PEP) operates under an electrochemical plasma regime. The metallic component acts as an anode submerged in an environmentally benign, low-concentration saline electrolyte bath (typically 2% to 6% ammonium sulfate or sulfate salt solutions). When DC voltage exceeds the critical dielectric breakdown threshold (usually 220V to 380V DC depending on alloy chemistry), a stable vapor-gas envelope forms over the workpiece surface.
Within this gas envelope, thousands of micro-discharge arcs vaporize surface micro-protrusions at an atomic level while preserving macroscopic geometry. Sustaining this dynamic plasma envelope demands an industrial DC power source with ultra-fast dynamic response characteristics. Standard SCR or general-purpose switching power supplies often collapse into thermal arc runaways or current runaway states, resulting in localized workpiece burning or pitting defects. Fenvix incorporates high-speed insulated gate bipolar transistors (IGBTs) running at switching frequencies up to 20kHz, coupled with closed-loop digital signal processing (DSP) control algorithms to continuously regulate impedance shifts and maintain a flicker-free plasma sheath.
Macro Dynamics Driving Plasma Finishing Technology in Northern Vietnam
An in-depth whitepaper overview of regulatory pressures, production automation, and environmental imperatives shaping procurement choices among Hanoi manufacturing directors.
1. Stricter Environmental Audits (QCVN Compliance)
Hanoi municipal departments and MONRE have intensified factory discharge oversight regarding aggressive acids (HF, HNO3, and H2SO4) traditionally employed in electropolishing. Plasma polishing power supplies run on salt-based, neutral electrolytes, enabling automated plants to comply with zero-discharge wastewater rules and ESG mandates set by multinational brand clients.
2. Transition from Manual Buffing to Automated Cells
Rising labor rates across the Red River Delta have driven machining contractors toward robotic cells and inline PLC polishing setups. Industrial DC power supplies integrated with RS485 Modbus and Profinet interfaces allow operators to coordinate conveyor speeds, tank immersion timers, and voltage ramping sequences directly from centralized SCADA systems.
3. Ultra-Hard Alloy & Titanium Additive Processing
With additive manufacturing (SLM/DMLS 3D printing) gaining traction among Hanoi aerospace and healthcare tooling subcontractors, mechanical polishing often fails on intricate inner cooling channels and lattice structures. Plasma electrolytic polishing powered by high-voltage DC units clears partially sintered powder particles inside internal cavities without manual line-of-sight.
| Finish Technology | Electrolyte Hazard | Surface Ra Capability | Cycle Time (Avg) | Energy Efficiency | Tooling/Die Wear |
|---|---|---|---|---|---|
| Plasma Electrolyte Polishing (PEP) | Eco-Friendly Neutral Salt (2–6%) | 0.02 – 0.08 µm (Mirror) | 45 – 120 Seconds | High (IGBT ≥90%) | Non-Contact (Zero Wear) |
| Standard Acid Electropolishing | Concentrated Phosphoric/Sulfuric Acid | 0.15 – 0.30 µm | 8 – 20 Minutes | Medium (SCR Rectifier ~75%) | Chemical Cathode Degradation |
| Mechanical Robotic Buffing | Silica/Wax Slurry Residue | 0.10 – 0.25 µm | 3 – 8 Minutes | High Motor Friction Load | High Wheel & Paste Consumption |
| Abrasive Flow Machining (AFM) | Polymer Hydrocarbon Media | 0.10 – 0.20 µm | 5 – 15 Minutes | Hydraulic Power Consuming | High Fixture Wear Under Pressure |
Guangdong Fenvix Factory Capabilities & International Standards
Founded in 2013, Guangdong Fenvix Technology Co., Ltd. designs and manufactures industrial DC power supplies, heavy-duty plating rectifiers, programmable test sources, and aviation ground power units backed by rigorous quality assurance.
ISO 9001 & TÜV Audited
Every subassembly undergoes step-by-step verification, from incoming raw copper inspection to high-voltage dielectric isolation testing, fully validated on site by TÜV Rheinland.
In-House Metal & Busbar Shop
We do not rely on third-party chassis vendors. Plate shearing, CNC punching, milling, drilling, and tapping of heavy oxygen-free copper busbars take place in our factory for superior heat sinking.
100% Full-Load Burn-In
Before packaging, each industrial power supply undergoes rigorous oscilloscope harmonic verification, thermal imaging inspection, and extended burn-in cycling at full ampere/voltage limits.
Seamless Haiphong / Hanoi Logistics
Located in Guangdong, Fenvix offers streamlined cross-border truck logistics (Guangzhou to Hanoi in 3–5 days) or sea freight via Haiphong Port under DAP, DDP, CIF, or FOB terms with zero import hassle.
Frequently Asked Questions for Hanoi Plant Engineers & Buyers
Direct technical answers addressing input voltage stability, cooling system selection in tropical conditions, customs formalities, and warranty execution across Vietnam.
What electrical specifications are required to size a plasma polishing power supply?
How do Fenvix power supplies withstand Northern Vietnam's high humidity and monsoon climate?
When should a factory select water cooling over forced-air cooling for rectifiers?
What trade and shipping terms are available for delivery into Hanoi or Haiphong?
Can Fenvix custom-build power supplies to match existing line PLCs (Siemens, Mitsubishi, Omron)?
What after-sales technical support and warranty coverage are provided in Vietnam?
Ready to Upgrade Your Precision Polishing and Finishing Lines?
Consult with Fenvix power system application engineers today. Receive comprehensive technical drawings, dimensioned footprints, and customized project quotations within 24 hours.
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