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power transformers


Pad-Mounted Transformer

Designed for safe and reliable underground power distribution, the pad-mounted transformer combines efficient voltage conversion with a compact, tamper-resistant enclosure. Suitable for residential communities, commercial developments, utility networks, and industrial facilities, it provides dependable outdoor operation with convenient ground-level installation and maintenance.

75–3,000 kVA

Rated Capacity

Up to 34.5 kV

Rated Voltage

Oil-Immersed

Type

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technical specifications


category

specification

rated capacity

75–3,000 kVA

rated voltage

2.4–34.5 kV (Primary)

vector group

Dyn1 / YNyn0 (depending on system configuration)

impedance

2.7–5.75% (depending on rating)

cooling method

ONAN

insulation level

HV BIL: 95 / 125 / 150 kV (15 / 25 / 35 kV class)

tap changer

De-Energized Tap Changer (DETC)

frequency

50 Hz / 60 Hz

applicable standards

IEEE C57.12.00 / IEEE C57.12.34 / IEEE C57.12.28 / IEEE C57.12.90

operating conditions


category

specification

ambient temperature

−20°C to +40°C

relative humidity

≤ 95% (non-condensing)

altitude

≤ 1,000 m (standard configuration)

installation environment

Outdoor installation on a level concrete pad with underground cable connections

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