Underground distribution • Residential developments • Commercial sites • Industrial parks
Pad-Mounted Transformers for Trinidad and Tobago, with primary-voltage options of 12 / 33 kV and secondary configurations of 230/400 V for distribution, industrial and electrical-infrastructure applications.
Rated capacity: 1P 15–250 kVA / 3P 10–1600 kVA · Primary voltage: 12 / 33 kV · Secondary voltage: 230/400 V
01 Technical data
Rated capacity: 1P 15–250 kVA / 3P 10–1600 kVA · Primary voltage: 12 / 33 kV · Secondary voltage: 230/400 V
02 Application engineering
Pad-mounted transformers for underground and compact surface distribution in Trinidad and Tobago (12 / 33 kV), combining protected MV/LV compartments with ground-level installation for residential, commercial and industrial developments including projects in oil & gas, industrial parks and ports and logistics.
Transformation at ground level in underground MV cable networks (12 / 33 kV), with protected compartments instead of a substation building. Suits cities and new developments where overhead lines are restricted and cable terminations must be enclosed.
Distribution within industrial estates, logistics sites and private MV networks (oil & gas, industrial parks and ports and logistics), using loop, radial or terminal feed. Pad-mounted units can be added in stages as plots are occupied, without building a separate substation for each load.
Supply to housing estates, apartment clusters and urban districts (230/400 V). A closed, lockable enclosure at ground level fits landscaped areas, and the radial or loop feed arrangement can follow the planned cable network.
03 Define your configuration
Select the main project parameters.
Single-phase
three-phase
04 Construction and options
05 Applicable standards and requirements
06 Manufacturing process
Downloads & support
HKXR POWER Technical Selection Guide
Guide for initial technical selection of distribution, power, dry-type, pole-mounted and pad-mounted transformers.07 Decision support
For Trinidad and Tobago, choose Pad-Mounted Transformers when the main duties are Underground distribution and Residential developments; compare Pole-Mounted Transformers when Overhead distribution and Utility distribution feeders better match the site. Final selection depends on the installation environment, network topology, fire or oil-containment requirements, rating and project specification.
Key choices include radial / loop / terminal feed, MV cable connectors and switching and fusing. Select them according to the load profile, connection arrangement, installation environment, protection philosophy and utility/EPC specification; items shown as options or project engineering are not automatic standard equipment.
Confirm ambient temperature, altitude, humidity, dust or corrosion exposure, indoor/outdoor location, ventilation, access and maintenance clearances. For applications such as Underground distribution, Residential developments and Commercial complexes, cooling, enclosure or insulation and protection should be reviewed during engineering rather than assuming one environmental class for the whole country.
Use T&TEC technical requirements as the starting technical reference. Requirements from Trinidad and Tobago Electricity Commission (T&TEC) / Regulated Industries Commission (RIC) should also be confirmed. Final losses, temperature rise, impedance, taps, accessories, tests and documentation must be checked against the applicable project specification; this page does not imply automatic approval by any authority.
Confirm the applicable routine tests, general arrangement drawings, electrical datasheet, accessory list and inspection/test documents before manufacturing. Type or special tests, witnessing and additional reports should be specified when the project requires them. For Pad-Mounted Transformers, also confirm site-specific environmental and installation engineering.
Provide at least Rated capacity, Primary voltage, Secondary voltage, Phases, the selected radial / loop / terminal feed / MV cable connectors options, installation conditions and the applicable project or utility specification. If available, attach the SLD, datasheet or tender specification so the configuration can be reviewed before quotation.
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