Voltage transformer OTEF

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Oil-Insulated Voltage Transformers (VT) up to 420 kV GE manufactures a complete range of high voltage oil-filled voltage transformers (VTs). The OTEF is a tank-type potential transformer with post insulator. Thousands voltage transformers are in service worldwide, in all types of climates and under the most severe conditions. Customer Benefits •Extensive field experience •Operational security •Maintenance free •Protection against bursting •Easy installation – no special tools required •Leak proof design and rugged construction for long service life •Mineral oil-filled - no PCB •Insulation paper applied mechanically which guarantees a homogeneous, high-density paper insulation •Seismic design (for 420 kV networks, lower gravity center than competitors) Characteristics •In short-circuit: up to 80 kA1” (Isc dyn: 200 - kA peak) •Secondary cores: up to 8 •Oil expansion by stainless-steel bellows •Oil level indicator •Compliance with IEC and IEEE or equivalent standards •DC current transformers available