T&D World Magazine

Indoor Transformers for Operating Meters, Relays and Control Devices

GE Digital Energy has announced a new family of ITI Indoor Medium Voltage Instrument Transformers that includes voltage and current instrument transformers in the 7.2kV, 12kV, 17.5kV, 24kV and 36kV classes. These new instrument transformers, suitable for operating meters, instruments, relays, and control devices, complement GE Digital Energy’s existing IEEE ITI Indoor and Outdoor Low and Medium Voltage Instrument Transformers.

With the introduction of GE Digital Energy’s ITI Indoor IEC MV family, utilities and OEMs in Latin America, Europe, the Middle East, Africa, and Asia, can now get their transformers from one source, and be assured that the transformers have been designed, manufactured, and tested in accordance with IEC standards. The new ITI Indoor IEC MV Instrument Transformers, available in custom designs, are compact in size and designed to use a minimal amount of space in medium voltage switchgear.

The GE Digital Energy ITI Indoor IEC MV transformers are manufactured and tested using state-of-the-art technology, helping to ensure high availability, reliability, consistency, and shorter manufacturing lead times. The transformers are constructed of epoxy and polyurethane resins. Epoxy resin transformers are manufactured using automated pressure gelation (APG) technology. Computer controlled resin mixing and casting processes result in shorter manufacturing lead times and proven product consistency. Polyurethane resins are poured under vacuum to maintain the highest insulation integrity.

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