Transformateur de puissance haute tension 220 kV - Transformateur principal pour les sous-stations et les réseaux de transport d'électricité

Fabriqué par Yawei Transformer, this 220 kV high voltage power transformer is designed for utility substations and transmission systems. With engineering capability up to 500 kV and power ratings reaching 1200 MVA, it delivers reliable, customized main transformer solutions compliant with IEC, ANSI, and IEEE standards for large-scale energy projects worldwide.

Tension nominale : 220 kV (engineering capability up to 500 kV)
Puissance nominale : 100–1200 MVA, designed for utility-scale substations and transmission systems
Type de transformateur : Oil-immersed, three-phase main power transformer
Configuration de l'enroulement : Conception à double ou à triple enroulement disponible
Options du groupe vectoriel : Delta – Grounded Wye (standard) / Wye – Wye / Delta – Delta / Wye – Delta
Régulation de la tension :
Off-circuit tap changer (unexcited voltage regulation)
On-load tap changer (OLTC) for continuous voltage control under load
Méthode de refroidissement : ONAN / ONAF / OFAF / OFWF, optimized for long-term outdoor operation
Système d'isolation : High-performance oil-immersed insulation using mineral oil or alternative insulating fluids
Normes applicables : IEC / ANSI / IEEE
Installation et application : Outdoor, weatherproof design for utility substations, high-voltage transmission networks, and large-scale energy projects