75kW Plating
12V/15V 5000A–6000A 75kW Water-Cooled Plating Rectifier
- Input: 380VAC 3-Phase 50Hz
- Output: 12V/15V | Up to 6000A
- Cooling: Sealed Water Cooling
- Regulation: CV / CC Auto Switch
High-Current & High-Voltage Topologies
Precision Industrial Power Conversion Systems for Medan Enterprises
Engineered with high-reliability IGBT switches, low ripple current profiles (<1%), and modular water or forced-air cooling. Fully certified to CE, RoHS, and manufactured under ISO 9001 quality supervision in Guangdong, China.
48kW IGBT
12V 4000A 48kW High-Frequency Electroplating Rectifier
- Efficiency: ≥ 90% SMPS
- Control: RS485 Modbus / 4-20mA
- Ripple: < 2% RMS
- Protection: Overheat, Short Circuit
Heavy Zinc Line
8000A 12V Water-Cooled Galvanizing Rectifier
- Current: 8000A Continuous Duty
- Enclosure: IP54 Corrosive Mist Proof
- Applications: Hard Chrome, Galvanizing
- Interface: Touchscreen Digital HMI
Anodizing
100A–3000A 12V/24V Anodic Oxidation Rectifier
- Voltage: 0–24V DC Stepless Adj.
- Ramping: Integrated Multi-Step Timer
- Application: Aluminum Hard Coating
- Certification: CE, LVD, EMC
Descaling & Effluent
48V 625A 30kW Polarity-Reversing DC Power Supply
- Cycle: Programmable Reverse Time
- Purpose: Electrolytic Descaling
- Network: Modbus-RTU for SCADA
- Protection: Phase Loss, Surge Arrest
EV & High Voltage
800V/400V 50A 20kW High-Voltage Adjustable DC Supply
- Range: 0–800V DC / 0–50A
- Response: < 5ms Transient Recovery
- Application: BMS, Inverter, EV Testing
- Accuracy: ≤ 0.2% Display Precision
Aviation / GPU
Portable 28.5V DC Aircraft Ground Power Unit (GPU)
- Current: 100A–600A Peak Overload
- Standard: MIL-STD-704F / ISO 6858
- Chassis: Heavy-Duty All-Terrain Wheels
- Output: Active Voltage Drop Comp.
Static Conversion
40kVA–500kVA Solid-State Static Frequency Converter
- Topology: IGBT Double Conversion
- Output: 115V / 200V AC @ 400Hz
- THD: < 2.5% Linear Load
- Usage: Hangar Avionics, Marine Labs
Regional Integration
Precision Power Applications Across Medan & North Sumatra
From the heavy chemical and port facilities in Belawan to the sprawling processing complexes of KIM (Kawasan Industri Medan), operating industrial electrical machinery in North Sumatra requires high resilience to thermal load, grid unbalance, and corrosive tropical humidity.
KIM Surface Finishing & Galvanizing Lines
Kawasan Industri Medan (KIM I through KIM IV) hosts prominent automotive component suppliers, structural steel hot-dip fabricators, and electro-galvanizing plants. These operations depend on ultra-low-ripple (<2%) constant current (CC) rectifiers. Our 12V 4000A to 8000A IGBT-based rectifiers maintain continuous duty cycles in high-temperature environments, eliminating plating pitting and optimizing zinc deposition density on threaded rods and stamped metal parts.
KIM Industrial Estates CompatiblePalm Oil & Oleochemical Effluent Treatment
North Sumatra represents the epicentre of Indonesia’s palm oil (CPO) refining corridor. Effluent treatment plants and oleochemical processing facilities across Medan, Belawan, and Sei Mangkei use electrochemical descaling and electrocoagulation to break emulsified fats. Our programmable 48V 625A auto-polarity-reversing DC power sources periodically switch electrode bias, effectively shedding calcium and silicate scale from titanium sub-plates without chemical downtime.
Automated Electrocoagulation CycleBelawan Port Maritime MRO & Cathodic Systems
Belawan Port is the premier maritime gateway of Western Indonesia. Shipyards, dry docks, and marine repair workshops along the Belawan Channel require high-capacity DC rectifiers for impressed current cathodic protection (ICCP) testing, sacrificial anode quality assurance, and onboard electrical overhaul. Our water-cooled and conformal-coated DC power supply units resist saline mist, sulfide gas attack, and humid maritime oxidation.
Marine-Grade Tropicalized CoatingKualanamu (KNO) Aviation GSE & Hangar Testing
Commercial hangars and defense squadrons based at Kualanamu International Airport and nearby radar installations demand clean, transient-free ground auxiliary power. Fenvix solid-state static frequency converters convert PLN 50Hz grid utility directly into low-distortion 400Hz 115V AC and 28.5V DC for avionics calibration, starter motor spooling, and environmental control system validation, outperforming noisy diesel GPUs.
MIL-STD-704F ComplianceSemiconductor & Electronic Component Burn-In
Emerging microelectronic, harness manufacturing, and automated assembly plants in North Sumatra depend on programmable high-voltage test racks (0–800V DC) to conduct aging, breakdown testing, and capacitor dielectric stress cycles. Real-time millisecond-level overcurrent trip cutoffs safeguard high-value DUTs (Devices Under Test) against catastrophic thermal runaway.
<5ms Fault Isolation ResponseDistributed Industrial Electrolysis & Green H2 Pilots
With regional green transition projects expanding across North Sumatra’s hydrothermal and biomass sectors, DC electrolysis rectifiers are essential for hydrogen cell development and chlor-alkali brine processing. Our heavy-duty 20V 15,000A liquid-cooled rectifiers operate with ≥91% line-to-bath efficiency, minimizing operational megawatt expenditure.
High-Efficiency Chlor-Alkali Output
Technical Comparative Whitepaper
Engineering Paradigm Shift: High-Frequency IGBT vs. Legacy Thyristor (SCR) in Tropical Climates
Plant managers and lead electrical engineers across Medan are actively deprecating legacy oil-immersed or air-cooled thyristor (SCR) power systems in favor of high-frequency Switch Mode Power Supplies (SMPS).
In tropical maritime zones such as North Sumatra, ambient temperatures frequently exceed 34°C with relative humidity averaging between 80% and 95%. Under these parameters, traditional silicon-controlled rectifiers (SCR) suffer severe efficiency loss, extensive harmonic injection back into the factory's private distribution transformers, and rapid core deterioration. Switch-mode high-frequency DC systems utilizing advanced Insulated Gate Bipolar Transistors (IGBT) running at 20kHz–50kHz offer critical operational advantages:
| Performance Parameter | Legacy Silicon-Controlled (SCR) Units | Fenvix High-Frequency IGBT SMPS | Operational Impact in Medan Facilities |
|---|---|---|---|
| Conversion Efficiency | 68% – 75% at rated load | 90% – 93% continuous | Drastic reduction in monthly PLN electricity bill across continuous 24/7 finishing lines. |
| Current Ripple Factor (RMS) | > 5% to 10% without massive inductors | ≤ 1% to 2% precision output | Prevents micro-voids in precious metal plating and anodizing; improves coating adhesion. |
| Physical Footprint & Weight | Heavy, cumbersome copper transformers; 800+ kg | Compact modular cabinets; 70% lighter | Easier floor transport in congested workshops; minimizes mezzanine structural loading. |
| PLN Grid Power Factor (Φ) | 0.65 – 0.78 (requires heavy PFC capacitors) | ≥ 0.94 to 0.98 across load spectrum | Eliminates kVAR penalty surcharges levied by PT PLN (Persero) Wilayah Sumatera Utara. |
| Dynamic Response Time | Slow mechanical response (200ms – 500ms) | Sub-millisecond transient response (< 5ms) | Protects delicate bath workpieces against surge burns during line loading and unloading. |
| Environmental Sealing | Vulnerable open copper bus lamination | Polyurethane Conformal Coated PCB + Water Cooling | Prevents short circuits caused by saline sea breeze from Belawan and airborne sulfur fumes. |
To ensure absolute equipment longevity in Medan's demanding industrial climate, Fenvix incorporates specialized tropicalization engineering across every bespoke chassis:
Three-Proofing Varnishing
All sensitive driver cards, FPGA microcontrollers, and gate logic circuits undergo automated triple-layer conformal dipping (MIL-I-46058C compliant) to guard against fungal growth, condensation tracking, and acidic vapor attack.
De-ionized Water Cooling Loops
For installations adjacent to high-fume pickling tanks or chemical reactors, our de-ionized liquid-cooling configurations transfer thermal loads directly to plant cooling water, completely isolating the power stage from corrosive workshop air.
Wide PLN Voltage Tolerance
Designed specifically for Southeast Asian power grids subject to regional brownouts or switching surges, our switchboards comfortably support an input voltage tolerance of 380VAC ± 15% (323V to 437V) at 50Hz.
Direct Manufacturer Sourcing
Guangdong Fenvix Technology Co., Ltd.
Founded in 2013 in Guangzhou, Guangdong, China, Fenvix is a specialist manufacturer of high-current DC rectifiers, programmable high-voltage switching sources, and solid-state frequency converters. Over 13 years of non-standard engineering allows us to solve bespoke power challenges where generic catalogue units fail.
- In-House Metal & Busbar Fabrication: Laser cutting, CNC punching, milling, and precision copper welding ensure rigid cabinet stability and rapid OEM turnarounds.
- Rigorous Full-Load Burn-In: Every single unit undergoes a mandatory 24-hour resistive load soak and oscilloscope harmonic verification prior to export crate packing.
- No Minimum Order Quantity (MOQ: 1 Set): We support engineering trials, single-cell pilot projects, and laboratory prototypes with full customization capability.
- Verified Factory Compliance: ISO 9001:2015 quality management system, verified on-site by TÜV Rheinland, accompanied by CE, RoHS, LVD, and EMC documentation.
Procurement & Engineering Consultation
Frequently Asked Questions by Medan Buyers & Plant Engineers
Clear, direct answers regarding logistical routes into North Sumatra, grid compatibility, warranty policies, and custom engineering adaptations.
How does Fenvix ensure electrical compatibility with PT PLN’s 3-phase grid in Medan?
Medan’s industrial electrical supply typically runs on nominal 380V/400V 3-phase AC at 50Hz. However, facilities in outlying sectors of Deli Serdang or heavy loads in KIM often experience voltage sags down to 340V or line surges above 420V. Fenvix units integrate an ultra-wide AC input range of 380VAC ± 15% (optionally ± 20%), backed by high-grade film smoothing capacitors and integrated Phase-Lock-Loop (PLL) circuitry to ensure consistent, stable DC output regardless of mains fluctuation.
What are the freight routes and lead times for delivery to Belawan Port, Medan?
Cargo departs from Nansha or Shenzhen Port in Guangdong, China. Ocean freight transit to Port of Belawan (IDBLW) typically takes 8 to 14 days. We provide sea-worthy vacuum-sealed wooden crating with internal desiccant bags to prevent moisture infiltration during the equatorial transit. We accommodate Incoterms including FOB, CIF Belawan, CFR, or DDP (Delivered Duty Paid with customs clearance arranged by our local forwarding agents).
Can Fenvix rectifiers interface with our existing plant SCADA or Siemens/Omron PLCs?
Yes. All our industrial DC power supplies and frequency converters support standard industrial fieldbus communication. Standard units include RS485 using Modbus-RTU protocol. We also provide analog 0–10V or 4–20mA isolated control interfaces for direct I/O PLC wiring. Optional CANbus, Profinet, or Ethernet/IP cards are easily integrated upon specification.
When should our Medan facility choose water-cooled over air-cooled rectifiers?
In Medan, forced-air cooling is cost-effective for clean environments like testing benches, electronics burn-in, and moderate currents below 1500A. However, for continuous electroplating, hot dip galvanizing, chlor-alkali brine processing, or palm oil wastewater electrocoagulation where airborne acids, salts, or excessive ambient heat (above 35°C) are present, water cooling is strongly recommended. Water cooling keeps the cabinet completely sealed (IP54/IP55), shielding the semiconductors from ambient corrosive gases.
What documentation is supplied for Indonesian customs clearance and local regulatory compliance?
Shipments to Indonesia are provided with Certificate of Origin (Form E for ASEAN-China Free Trade Area tariff reduction), ISO 9001 factory inspection certificates, CE Declaration of Conformity, Commercial Invoice, Packing List, and certified Bill of Lading. Test reports for LVD and EMC directives are included to facilitate seamless clearance at Bea Cukai Belawan.
What is your warranty coverage and after-sales support protocol for buyers in Indonesia?
Fenvix provides a comprehensive 12 to 24-month factory warranty on all industrial systems. In the event of a component issue, our engineering team conducts immediate remote diagnostic sessions via video call within 24 hours. Because our hardware is engineered with modular sub-racks (power module drawers, plug-and-play driver boards), spare parts can be dispatched via DHL/FedEx air freight to Medan within 3 to 5 business days, minimizing production downtime.
System Specification Blueprint
How to Size Your DC Rectifier for Electroplating & Chemical Cells
A reference calculation guide for plant supervisors in Medan to accurately calculate electrical ampacity before submitting an RFQ.
Step 1: Determine Total Active Surface Area
Compute the total immersed surface area of all workpieces loaded per plating jig or barrel basket (dm² or ft²). For barrel lines, factor in the internal load displacement factor (typically 0.3 to 0.4 effective exposure).
Step 2: Calculate Required Current (Amps)
Multiply active area by the chemical supplier's recommended current density ($A/dm^2$). Formula: Total Current (A) = Total Area (dm²) × Current Density (A/dm²). Add a 20% operating safety headroom for peak line spikes.
Step 3: Calculate Bath Voltage & Busbar Drop
Total voltage equals cell decomposition voltage + electrolyte ohmic drop + busbar resistive losses across anode/cathode runs: V_total = V_cell + (I × R_bath) + (I × R_busbar). Ensure standard overhead (e.g., 12V or 15V rating).