Arteche UTP is a Power Voltage Transformer series up to 362 kV and 333 kVA. They use an oil paper insulation and a metallic oil level compensating system.
Arteche UTP series allows different options:
Terminal for main insulation monitoring (tangent delta measurement)
Inner temperature monitoring sensor.
Over-pressure relief valve with connection capability to SCADA system
Additional secondaries for measuring and/or protection.