Caption: TSTYNICE high-capacity transformers powering the Grand Inga hydro complex and transmission link
Technical Specifications
Equipment: Multiple units of 1000 MVA three-phase oil-immersed transformers (custom ratings)
Key Features:
* 220 kV/33 kV conversion for onward transmission from the dam site
* Ultra low-loss core design for large-scale output (40–70 GW planned for Grand Inga)
* Robust tropical adaptation: high-humidity insulation, reinforced structure for remote site logistics
* Integrated digital monitoring: oil-temperature sensors, partial-discharge systems for long-haul reliability
Project Execution
Dedicated Team: Cross-continental engineering alliance between TSTYNICE, DRC utility and global EPC partners
Custom Solutions: Modular transformer design fabricated for remote river-site delivery; built-in HV switchgear and control instrumentation to expedite grid connection
Timeline Compliance: Designed for phased delivery in line with dam commissioning schedule; supports export transmission corridors to Southern Africa
Operational Results
Metric Achievement:
Grid readiness for increased capacity at the Grand Inga site: target >40 GW generation capacity
Transmission loss reduction: low-loss transformer design improving system efficiency
Lifecycle assurance: Designed for 30+ years in challenging environment
Certifications & Standards
* IEC 60076 & IEEE C57 series compliant
* CE & international marine-climate protection coatings
* Delivered with factory test reports and traceable quality documentation
Client Benefits
* Supports mega-scale hydropower export and national electrification
* Lowers total cost of ownership through superior efficiency and durability
* Prepares power infrastructure for future expansions in the DRC and regional export markets
