The NAMIT voltage transformer is a three-phase three-winding antiresonant unit for 6-10 kV networks with isolated or compensated neutral. The design suppresses ferroresonance — a well-known issue when single NAMI-class transformers are connected in three-phase groups.
Indoor switchgear of industrial and utility substations, mining and metallurgical plants, large data centres. Provides simultaneous power for relay protection, commercial metering, and earth-fault detection.
Built-in ferroresonance protection, hermetic oil-filled tank, climate version U1/UHL3. Reduced harmonics in the secondary signal improve accuracy of digital metering devices.