Project Overview
Project Type: Regional Utility Substation Upgrade
Completion Date: April 2024
Location: Setúbal, Portugal
Client: Local Independent Power Utility
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Technical Solution
TSTYNICE provided 4 sets of 220 kV / 60 kV / 10 kV oil-immersed power transformers to support regional grid expansion and new industrial load centers in the Setúbal district.
Equipment Supplied
▸ 4 × 220 kV / 60 kV / 10 kV Power Transformers
▸ Rated Capacity: 100 MVA each
▸ Model: TSYN-220000/220
▸ Cooling System: ONAF (Oil Natural Air Forced)
Key Features
High-efficiency, low-loss silicon-steel core (IEC 60076 compliant)
Online Dissolved Gas Analysis (DGA) and temperature monitoring
Eco-friendly synthetic ester oil for improved fire and environmental safety
Seismic-resistant tank and anti-corrosion paint for coastal climate
Noise level < 60 dB, suitable for suburban installation
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Project Execution
▸ Turnkey Supply: Design verification, factory testing, delivery, and on-site supervision
▸ Timeline: 5 months from contract to commissioning
▸ Testing: Routine and type tests performed under REN-aligned standards
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Operational Results
System reliability increased by > 99.95 % uptime
Transformer losses reduced by 12 % compared to legacy units
Maintenance intervals extended from 2 years → 5 years
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Client Benefits
Stable and efficient 220 kV power backbone for regional development
Reduced operating cost and improved energy efficiency
Enhanced environmental and noise-control performance
