High-Current Rectifiers & Precision Digital DC Power Systems
Engineered for mission-critical electroplating, surface finishing, EV battery aging, and automated test benches across Bangkok, Chonburi, Rayong, and Chachoengsao industrial hubs.
12V/15V 5000A–6000A 75kW Water-Cooled Digital Rectifier
- Topology: High-Frequency IGBT
- Output Range: 0–15V / 0–6000A
- Cooling Mode: Deionized Closed Loop
- Control Interface: RS485 Modbus / CC CV
12V 4000A 48kW High-Frequency Electroplating Rectifier
- Current Output: 0–4000A Continuous
- Voltage Rating: 0–12V Stepless Adjustable
- Regulation: ≤ 0.5% Constant Voltage/Current
- Application: Zinc, Copper, Nickel Lines
8000A 12V Industrial Water-Cooled Galvanizing Rectifier
- Current Capacity: 8000A Pure DC
- Protection Rating: IP54 Sealed Electronics
- Thermal Structure: Pure Copper Water Blocks
- Duty Cycle: 100% 24/7 Heavy Industrial
800V 50A 20kW Programmable High-Voltage DC Source
- Voltage Output: 400V–800V DC Adjustable
- Power Capacity: 20kW Bench / Rackmount
- Ripple Factor: ≤ 0.2% RMS Ultra-Low Noise
- Certifications: CE, EMC, LVD, RoHS
300kW 20V 15,000A Heavy-Duty Electrolysis DC Power Supply
- Input Grid: 380V/415V AC 3-Phase 50Hz
- Max Current: 15,000A High Power Density
- Busbar: T2 Electrolytic Copper
- Target Sector: Electrochemical Smelting / Cl₂
48V 625A 30kW Polarity Reversing Water Treatment Supply
- Reversing Speed: Programmable Millisecond Switch
- Digital Timer: 4-Stage Dynamic Cycling
- Enclosure: Anti-Acid Fume Coated Chassis
- Application: Electrolytic Descaling & ZLD
930kVA 400Hz Aircraft Ground Power Unit & Static Converter
- Output Voltage: 115V / 200V AC 400Hz Pure Sine
- DC Output: 28.5V DC Engine Start Optional
- Overload Capacity: 300% for 5 Seconds Engine Crank
- Standards: DFS 400, MIL-STD-704F, ISO 6858
0–100kV High-Voltage Capacitor Charging DC Power Unit
- Voltage Span: 0–100,000V DC Precision Linear
- Charging Circuit: Constant-Current Monotonic Ramp
- Interlock Security: Dual Ground Fault & Flashover
- Laboratory Use: Electrospinning, Plasma Physics
Thailand Industrial Corridor Integration & Applications
Strategic deployment of customized digital power architectures tailored to regional industrial corridors, power grids, and rigorous tropical manufacturing conditions across Thailand.
Automotive & EV Supply Chain (EEC Rayong & Chonburi)
Thailand has evolved into the "Detroit of Asia", expanding aggressively into electric vehicle manufacturing across WHA and Amata City industrial parks. Digital power supplies drive high-throughput cathodic electrodeposition (E-Coat) lines for anti-corrosion automotive chassis protection, precision hard-chrome plating of engine cylinders, and high-voltage DC programmable test sources (up to 1,000V) for traction battery pack burn-in and motor inverter dynamometer testing.
Electronics & High-Density PCB Manufacturing
Spanning Ayutthaya, Pathum Thani, and Chachoengsao, the electronics cluster relies on sub-1% ripple digital switch-mode rectifiers for micro-via copper plating, continuous reel-to-reel lead-frame electroplating, and immersion gold/silver deposition. The digital constant-current feedback loop prevents burning on high-density interconnect (HDI) printed circuit boards, ensuring ultra-uniform micron-layer thickness that complies with ISO/TS aerospace and telecom standards.
Marine, Offshore & Aviation Ground Power (MRO)
Supporting maritime logistics around Laem Chabang Deep Sea Port and aviation MRO facilities surrounding U-Tapao International Airport and Suvarnabhumi Airport. Our 400Hz solid-state static frequency converters and dual-output 28.5V DC Ground Power Units (GPUs) provide clean, low-distortion ground electrical power to commercial and military aircraft during maintenance routines, replacing high-emission diesel engine generators with silent, energy-efficient IGBT systems.
Zero-Liquid Discharge (ZLD) & Cooling Tower Descaling
With stringent wastewater discharge regulations in Map Ta Phut petrochemical complex and industrial estates across Samut Prakan, polarity-reversing DC power supplies play a pivotal role. Rapid automatic polarity switching allows electrolytic descaling electrodes to shed mineral deposits without chemical acid washing, extending electrode lifespan, reducing plant maintenance overhead, and ensuring compliance with the Department of Industrial Works (DIW) green standards.
Engineering Resilience for Thailand's Tropical Industrial Climate
Operating industrial electronics in Thailand presents distinctive environmental hurdles that standard catalogue equipment fails to withstand. With average ambient temperatures consistently exceeding 38°C in non-air-conditioned factory floors and relative humidity frequently reaching 90% during the monsoon season, thermal dissipation and moisture protection are primary engineering concerns. Furthermore, industrial plants located within coastal proximity—such as those in Laem Chabang, Map Ta Phut, and Samut Prakan—face severe airborne saline mist and acidic atmospheric contaminants from electroplating tanks.
Fenvix Tropicalization Standard (Applied to All Thai Export Units)
All Fenvix digital power supplies delivered to the Thai market feature three-fold environmental safeguarding: (1) IPC-CC-830 certified thick-film conformal coating applied over all internal digital microcontroller and gate-drive PCBAs; (2) Segregated aerodynamic heat-sink tunnels that isolate sensitive control logic from incoming corrosive factory air; and (3) Closed-loop deionized water cooling with 316L stainless steel manifolds for megawatt installations, eliminating ambient heat transfer entirely into the facility.
In addition to environmental stresses, the electrical grid infrastructure managed by the Provincial Electricity Authority (PEA) and Metropolitan Electricity Authority (MEA) exhibits periodic voltage dips and harmonic distortion in high-density industrial zones. Fenvix integrates oversized DC-link film capacitors, robust transient surge suppressors (TVSS), and dynamic active power factor correction (PFC > 0.95), ensuring that operations remain rock-solid even under ±15% AC line fluctuations.
Thailand 4.0: The Switch-Mode IGBT Paradigm Shift
Evaluating the rapid obsolescence of traditional Silicon Controlled Rectifiers (SCR) in favor of high-frequency digital switch-mode power systems across modern Thai production facilities.
Under the economic transformation framework of Thailand 4.0, manufacturers are incentivized by the Board of Investment (BOI) through corporate tax holidays and machinery duty exemptions to modernize industrial energy efficiency. For decades, electroplating and metal processing plants across Samut Sakhon and Pathum Thani relied on line-frequency thyristor (SCR) rectifiers. While mechanically robust, SCR architectures suffer from inherently poor electrical efficiency (typically 65% to 75%), dismal power factors below 0.70 at partial loads, and excessive ripple rates (5% to 8%) that degrade metal deposition quality and drive up electricity bills.
Modern high-frequency switch-mode power supplies (SMPS) utilizing insulated-gate bipolar transistors (IGBT) operate at switching frequencies between 20kHz and 50kHz. This design reduces internal transformer core mass by over 75%, elevates real-world operational efficiency to 92%–95%, and constrains current ripple below 1% RMS. In precision nickel, hard chrome, and gold plating, low ripple directly translates to denser crystal lattices, eliminating micro-porosity and cutting chemical additive consumption by up to 18%.
| Performance Dimension | Legacy SCR / Thyristor Rectifier | Fenvix High-Frequency IGBT SMPS | Direct Impact on Thai Factory ROI |
|---|---|---|---|
| Electrical Conversion Efficiency | 68% – 76% (Substantial heat dissipation) | 92% – 95% Peak | Reduces factory electricity bills by 15%–22% under PEA tariffs. |
| Output Current Ripple Factor (RMS) | 5.0% – 8.5% (Causes rough crystal deposit) | ≤ 1.0% Across 10%–100% Load | Eliminates micro-cracking in chrome plating; reduces gold salt waste. |
| Input Power Factor (PF) | 0.65 – 0.75 (Varies drastically with voltage) | ≥ 0.94 at Full Range | Avoids MEA/PEA low power factor utility surcharge penalties. |
| Physical Weight & Footprint | Heavy (Often > 1,200 kg for 5000A) | Compact (< 380 kg Modular Frame) | Saves cleanroom footprint; simplifies overhead line mounting. |
| Dynamic Response Time | Slow: 100ms – 300ms | Ultra-Fast: ≤ 5ms | Prevents burning of parts during automated jig insertion in plating baths. |
| Digital Automation Protocol | Analog 0-10V / Manual Dials | RS485 Modbus RTU, Ethernet, PLC | Enables full Industry 4.0 data telemetry for smart factory SCADA. |
Engineering Strength Behind Guangdong Fenvix Technology
A specialized high-power converter manufacturing facility founded in 2013, delivering verifiable electrical performance to procurement teams across Southeast Asia.
-
ISO 9001 & TÜV Rheinland Audited Facility
Direct manufacturer operations certified under ISO 9001 quality management systems. Our factory has undergone rigorous on-site audit verification by TÜV Rheinland, ensuring complete supply chain transparency and traceability from incoming IGBT modules to final export crating.
-
Complete In-House Metal & Copper Busbar Fabrication
Equipped with in-house CNC plate shearing, hydraulic punching, high-precision milling, and tapping machinery. We engineer and process custom heavy-gauge T2 oxygen-free copper busbars and corrosion-proof enclosures on-site, drastically shortening custom lead times to 15–25 business days.
-
Zero MOQ Barrier & 100% Full-Load Burn-In
We welcome 1-unit customized orders for specialized engineering prototypes, line retrofits, and lab benches. Prior to overseas dispatch, every rectifier and converter undergoes a mandatory 4-to-12 hour continuous full-load burn-in test observed via multi-channel digital oscilloscopes.
-
Seamless PLC Integration (Siemens, Mitsubishi, Omron)
Equipped standard with galvanically isolated RS485 Modbus RTU, 0-10V/4-20mA analog interfaces, or optional Profinet/Ethernet. Our firmware communicates natively with standard industrial automation networks ubiquitous in Thai manufacturing environments.
Thailand Sourcing & Engineering FAQ
Authoritative technical, commercial, and regulatory answers addressing the primary considerations of Thai factory procurement and electrical plant engineers.
How do Fenvix digital power supplies accommodate Thailand's local grid voltage and frequency?
What tariff privileges exist when importing power supplies into Thailand under ACFTA (Form E)?
When should a Thai facility select water cooling over forced-air cooling for rectifiers?
Can Fenvix power supplies be interfaced with Japanese and European PLCs used in Thai plants?
How does equipment switching support Board of Investment (BOI) tax incentive compliance?
What international trade terms (Incoterms) and payment methods are supported?
What after-sales service and spare parts warranty are provided to overseas buyers in Thailand?
Request Technical Sizing & Factory Direct Pricing
Consult with our senior power conversion engineering team. Send your input line parameters, DC voltage/current ratings, duty cycle, and communication requirements to receive a customized specification sheet and formal quotation within 24 business hours.