Caption: TSTYNICE single-phase pole-mounted transformers enabling rural electrification in Colombia’s Andes Mountains and Magdalena Valley distribution networks
Technical Specifications
Equipment: 180 units of 100–250 kVA single-phase pole-mounted oil-immersed transformers (customized for overhead distribution)
Core Parameters: 13.2 kV/240 V voltage conversion, 60 Hz rated frequency, natural convection cooling; pole-mount bracket compatible with 6–9 inch utility poles
Key Features
13.2 kV/240 V low-voltage step-down for residential/commercial rural loads (homes, small farms, village shops)
Compact high-efficiency design (Class 1 efficiency per IEC 60076-11) with 0.3mm grain-oriented silicon steel core, minimizing energy loss in distributed grids
Andean outdoor adaptation: IP55 weatherproof enclosure, anti-corrosion galvanized steel mounting frame, -10℃ to +50℃ operating temperature range (resists mountain dew and solar radiation)
Integrated pole-mount safety features: lockable oil filling port, overhead line terminal shields, and built-in overload protection for remote monitoring
Project Execution
Custom Solutions: Lightweight pole-mount structure (≤200 kg) for easy aerial installation via utility helicopter in remote mountains; pre-assembled terminal blocks to cut on-site wiring time by 40%
Timeline Compliance: Phased delivery aligned with Colombia’s Rural Electrification Program (PER); supports overhead line extensions to 80+ underserved villages in Antioquia and Caldas departments
Operational Results
Metric Achievement:
Electrification coverage for 3,500+ rural households across the Andes foothills
Distribution loss reduction: 22% lower energy waste vs. legacy pole-mounted transformers (1990s models)
Lifecycle assurance: 30+ years design lifespan in outdoor pole-mounted conditions (resists wind, rain, and high-altitude UV exposure)
Certifications & Standards
IEC 60076-1, IEEE C57.12.20 (pole-mounted transformer standard) & Colombian NTC 3000-12 compliant
UV-resistant polyester powder coating (meets ANSI/AWWA D102) and fire-retardant oil per IEC 61099
Delivered with Spanish-language installation guides, factory test reports, and NTC regulatory certification
Client Benefits
Reduces rural electrification costs (no ground foundation required vs. pad-mounted transformers)
Enables fast deployment in mountainous areas with limited road access
Supports Colombia’s 2030 Sustainable Development Goal of 100% rural electrification while lowering grid operational expenses
