Key Product Features
Application
Its widely used in equipment insulated with oil fluid, typical for transformers, switchgears and capacitors applications
Specification and standards
UTEC Range of Bushings are available to meet the requirement of CENELEC EN 50180.
Routine Electrical Test
AC Power frequency withstand test including partial discharge test is measured at extinction with voltage and pd level recorded.
X Ray
Each unit has tested to check for voids, internal cracks and or foreign material.
Routine Mechanical test
All units undergo Visual inspection and dimensional check according to EN50180.
Technical Data
General Specification
Installation Type
Top / wall mounted based on Application
Standard Applicable
CENELEC EN 50180 /IEC 60137
Power Rating
Up to 36 kV
No. of phase
1
Rated Current
630 Amp
Rated Frequency
50/60 Hz
Insulation Material
Epoxy Class H
Dry Power frequency withstand voltage test.
77 kVrms
Partial Discharge Test
@1.5Um/1.732=31.2 kV< 10pC / @1.05Um/1.732=22 kV) < 5pC
Cantilever loads withstand test
1.5kN tension
Dry (±) lightning impulse withstand voltage test
±200kVp
Temperature rise test
The temperature rise limits and thermal short time current withstand limits according to IEC 60137: 2017 Clause 8.9
Verification of thermal short time current withstand limits
The ability of the bushings to withstand thermal short time current according to cl. 8.9.2 of IEC 60137:2017 verified.
Product Traceability
All units are marked with unique serial number allowing full traceability
