Heavy Industrial & Rectifier Transformer Series
Engineered for demanding tropical operations, high thermal stress tolerance, and low harmonic losses. Fully compliant with BPDB, BREB, and international CE quality directives.
YUCOO Plating Rectifier 220V AC to 12V DC 50A-1000A Electroplating Rectifier
Compact high-current switch-mode electroplating transformer designed for precise DC voltage control in textile finishing, metal plating, and PCB manufacturing plants.
Factory Direct Sales Three Phase Control Electrical Rectifier Transformer
Heavy-duty 3-phase industrial control transformer featuring low-loss CRGO laminated steel cores for continuous motor drives and industrial automation networks.
Oil Immersed High Current 6300kVA Cathodic Protection Rectifier Transformer
High-capacity 6300kVA oil-filled transformer designed for intense electrochemical electrolysis, steel rerolling, and marine cathodic protection units.
380V/220V to 60V-6V Single-Phase Control Rectifier Transformer 2000VA-5KVA
Versatile step-down isolation control transformer optimized for factory automation panels, relay control systems, and precision lab DC power supplies.
CEEG ZQSC(H)B 2000kVA/10kV Epoxy Cast Traction Rectifier Dry-Type Transformer
Class H flame-retardant epoxy cast dry-type transformer engineered for high-density urban infrastructure, metro rail traction, and high-rise commercial substations.
ORIGINAL T6 Electric Power Rectifier Transformer TI16933 for Excitation Systems
Precision excitation rectifier transformer specifically calibrated for power generation plants, synchronous motor excitation, and heavy industrial turbogenerators.
Control 33kV 300kVA-400kVA Hermetically Sealed Voltage Rectifier Transformer
Hermetically sealed outdoor distribution and rectifier transformer built to withstand 33kV grid connections in tropical humid environments without oil degradation.
50kVA to 3000kVA 3-Phase Step-Up Industrial Power & Rectifier Transformer
Customizable high-efficiency step-up rectifier transformer optimized for renewable solar power plants, utility interconnections, and heavy manufacturing facilities.
Tailored Power & Rectifier Solutions for Bangladesh Key Industries
Bangladesh’s rapid economic expansion under the National Power Master Plan requires specialized power transformers built to operate continuously under severe ambient conditions, high humidity, and heavy electrical stress.
Ready-Made Garment (RMG) & Textile Wet Processing
Textile mills in Gazipur, Narayanganj, and Savar require stable DC supply and harmonic-free AC power for dyeing, electroplating, and washing lines. Our CE-certified rectifier transformers mitigate THD (Total Harmonic Distortion), protecting sensitive PLC automated machinery.
Heavy Steel Rerolling & Metallurgical Smelting
Industrial hubs in Chattogram (Chittagong) and Bhabanipur demand rugged high-current oil-immersed furnace transformers capable of taking cyclic thermal shocks, intense short-circuit currents, and continuous peak-load operation during steel billet refining.
Economic Zones (BSMSN) & EPZ Infrastructure
Mirsarai (Bangarabandhu Sheikh Mujib Shilpa Nagar) and Dhaka EPZs require standardized 33kV step-down distribution transformers designed with Class F/H insulation and hermetically sealed tanks to resist coastal atmospheric corrosion and seasonal monsoon moisture.
Grid-Tied Solar Utility Parks (Cox's Bazar & Feni)
Large-scale solar installations require specialized Inverter-Duty Step-Up Transformers with multi-winding configurations designed to handle non-linear inverter outputs, solar voltage fluctuation, and seamless grid synchronization under BPDB guidelines.
Navigating Power Infrastructure Development & Compliance in Bangladesh
Shift from 11kV to 33kV Grid Distribution
Under the Bangladesh Power Development Board (BPDB) and Bangladesh Rural Electrification Board (BREB) power network expansion strategy, major industrial consumers are required to step down directly from 33kV utility lines. Importing factory-tested, low-loss 33kV transformers ensures seamless substation approval, reduced line losses, and lower monthly tariff penalties.
RMG Safety Audits & Flame-Retardant Dry Types
Following international buyer compliance standards (RSC/Accord successor frameworks), enclosed multistory RMG manufacturing units in Dhaka and Chittagong are increasingly mandating Cast Resin Dry-Type Transformers (CEEG ZQSC Series). These units eliminate oil-spill fire hazards, self-extinguish during overloads, and meet strict F1/E2 fire safety certifications.
Tropicalization & Harmonic Loss Suppression
High ambient temperatures (exceeding 45°C) combined with 90%+ relative humidity present severe risks of thermal breakdown and insulation degradation in Bangladesh. Our factories employ vacuum pressure impregnated (VPI) windings, high flash-point mineral oil/synthetic ester liquids, and specialized core cooling ducts to maintain rated kVA without de-rating.
11kV & 33kV Loss Benchmarks & Efficiency Classes
Compare core parameters optimized for low operational expenditure and compliance with international IEC 60076-1 / IS 1180 energy efficiency levels.
| Rated Capacity (kVA) | Voltage Class (kV) | Cooling Type | Impedance Voltage (%) | No-Load Loss (W) | Full-Load Loss at 75°C (W) | Target Industries in Bangladesh |
|---|---|---|---|---|---|---|
| 250 kVA | 11 / 0.415 kV | ONAN / Dry-Type | 4.50% | < 380 W | < 2,700 W | Light Garments, Commercial Buildings |
| 500 kVA | 11 / 0.415 kV | ONAN / Dry-Type | 4.50% | < 650 W | < 4,100 W | Textile Accessories, Food Processing |
| 1000 kVA | 11 / 33 kV Class | ONAN / ONAF | 5.00% | < 1,150 W | < 7,000 W | Spinning Mills, ETP Plants, Pharmaceuticals |
| 2000 kVA | 33 / 11 / 0.415 kV | ONAN / Cast Resin | 6.25% | < 2,000 W | < 14,100 W | Metro Infrastructure, Heavy Dyeing Units |
| 6300 kVA | 33 kV Primary | ONAF Forced Air | 7.00% - 8.00% | < 5,200 W | < 38,000 W | Steel Rerolling Mills, Solar Power Plants |
Why Bangladeshi Industrial Buyers Partner With Us
With over 17 years of specialized manufacturing experience, our state-of-the-art facility integrates advanced CRGO core processing, automated coil winding, and full-spectrum routine/type testing.
Full CE & ISO 9001:2015 Certification
Every unit manufactured carries valid CE marking under the EU Low Voltage Directive (LVD) and Electromagnetic Compatibility Directive (EMC). Our quality assurance system guarantees zero-defect dispatch with complete factory acceptance test (FAT) reports provided prior to shipping.
High-Grade Prime CRGO & Electrolytic Copper
We strictly utilize prime, high-permeability Cold Rolled Grain Oriented (CRGO) silicon steel laminations (sourced from Nippon Steel / Baosteel) cut on automated CNC step-lap lines. Windings feature 99.99% pure oxygen-free electrolytic copper for minimal copper loss and superior short-circuit strength.
Seamless Freight Logistics to Chattogram Port
We provide comprehensive export support tailored to Bangladesh procurement practices—including assistance with Bangladesh Bank Letter of Credit (L/C) compliance, PSI (Pre-Shipment Inspection) coordination, sea-freight packing to Chattogram Port, and air-freight options to HSIA Dhaka.
Frequently Asked Questions for Bangladesh Transformer Imports
Q1: Are your transformers fully compliant with BPDB, BREB, and DESCO grid code specifications in Bangladesh?
Yes. Our design engineering team customizes vector groups (e.g., Dyn11, Ynd11), voltage tapping ranges (On-Load Tap Changer / Off-Circuit Tap Changer ±5% to ±10%), and impulse withstand voltages to strictly align with BPDB, BREB, DESCO, and DPDC technical regulations. Every unit undergoes short-circuit and temperature rise design verification.
Q2: How do your rectifier transformers handle the high harmonics produced by electroplating and motor drives in RMG factories?
Our electroplating and heavy industrial rectifier transformers are engineered with enhanced K-factor ratings (K-13, K-20) and specialized magnetic shielding between primary and secondary windings. We utilize multi-pulse phase-shifting topologies (6-pulse, 12-pulse, 18-pulse, and 24-pulse systems) to cancel out 5th, 7th, and 11th harmonic frequencies, preventing core overheating and power line distortion.
Q3: Should we select Oil-Immersed or Epoxy Cast Resin Dry-Type Transformers for our factory unit in Dhaka?
For indoor substations located inside multi-story RMG, commercial, or pharmaceutical buildings, Cast Resin Dry-Type Transformers (CEEG ZQSC Series) are strongly recommended due to strict fire safety codes (Class F1 fire behavior, zero oil risk). For outdoor substations, heavy steel mills, or ground-level sub-stations with high dust/salinity, Hermetically Sealed Oil-Immersed Transformers provide superior cooling efficiency and economic value.
Q4: How does your factory ensure transformer longevity under Bangladesh's humid tropical weather?
All metal enclosures and transformer tanks undergo shot-blasting followed by zinc-rich epoxy anti-corrosion primer and polyurethane finish paint, rated for marine C4/C5 environments (essential for Chattogram and Khulna coastal belts). Transformers feature high-density de-aerated insulating oil or vacuum-cast epoxy resins to prevent moisture absorption and insulation breakdown.
Q5: What documentation is provided to support Letter of Credit (L/C) opening through Bangladesh commercial banks?
We provide full documentation required by Bangladesh Bank L/C regulations, including Proforma Invoice with HS Code classification (HS 8504.21 / 8504.22 / 8504.31), Certificate of Origin (CO), CE Certification, Factory Routine Test Certificates (Routine Test as per IEC 60076), ISO Quality Certificates, and detailed Packing Lists. Pre-shipment inspection (PSI) by SGS/Bureau Veritas is fully supported upon buyer request.
Q6: What warranty and post-sales technical support do you provide in Bangladesh?
We offer a standard 18-month to 36-month factory warranty on all industrial transformer series. Our engineering team provides remote installation supervision, commissioning guidance, and online diagnostic support. Key spare parts (gaskets, bushings, OLTC controllers, temperature indicators) are supplied alongside main shipments for seamless long-term operation.
Request a Custom Technical Quote & Transformer Design
Planning a new industrial substation, electroplating facility, or upgrading your 33kV distribution network in Bangladesh? Contact our senior application engineering team today for factory-direct pricing, detailed CAD dimensions, and technical datasheets.