Oil insulated high-voltage instrument transformer
max. 5 000 A, 72.5 - 300 kV | IVOKT, TMC
Trench Group
IVOKT and TMC Features:
. Voltage ratings from 72,5 kV to 300 kV
. Only one foundation required by combining CT and VT
in one housing
. Highly refined and processed oil/paper insulation
system
. Excellent insulation stress control using a proprietary
finely graded bushing system
. Meets all IEC and IEEE/ANSI metering and protection
classes
. Rated primary currents up to 5000 A
. Low reactance bar-type primary permits high short
circuits currents
. Stable accuracy over a long period of time
. Perfect transient performance
. Essentially unaffected by stray external magnetic fields
. Excellent seismic performance due to optimized
designs of the porcelain and flanges
. Suitable for line discharging
. Exclusive use of corrosion resistant material (aluminum
tank and head)








