750 kva ~ 2500 kva 3 Phase Pad-mounted Transformer

A 750 kva ~ 2500 kva 3 phase pad-mounted transformer is a complete set of substation and distribution equipment that combines a combined transformer, a load switch and a protective fuse device for the high-voltage power receiving part, and the metering and switching of the low-voltage power distribution part.

The pad-mounted transformer has the characteristics of small size, low investment, convenient operation, fast installation, and simple maintenance.

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2500 kVA Pad Mounted Transformer Features

1. Sub-box combination: high-voltage ring main unit and transformer sub-box, high-voltage ring main unit is composed of high-performance load switches with SF6 as insulation and arc extinguishing medium, which will not produce transformer oil when the load switches are opened and closed Any impact.

2. High safety: The high-voltage load switch has three positions of closing-opening-grounding, and has a reliable mechanical interlock. Only when the switch is in the grounding position can the fuse compartment be opened to replace the fuse.

3. Improve power supply stability: Since each load switch is independent, its operation will not affect other switches, and there will be no short-term power outage due to the switching of the power supply.

4. Reliable power supply: The high-breaking current-limiting fuse can reliably protect the transformer, and when a phase fuse is blown, the striker equipped with the striker will push the load switch tripping mechanism to open the load switch and avoid phase loss operation.

5. The ring network cabinet can be operated electrically to achieve remote control and meet automation requirements.

6. The ring network cabinet is equipped with a live display device, which can intuitively display whether the equipment is live or not. The device can also be used for phase verification and electrical inspection.

7. Go deep into the load center: reduce the power supply radius, save cable investment, and improve the quality of power supply.

Use Environment of 3 phase pad-mounted transformer

1. Altitude: no more than 2000 meters

2. Ambient temperature +40°C~-45°C

3. Relative humidity: the daily average does not exceed 95%, and the monthly average does not exceed 90%.

4. Seismic intensity: impermanent and severe vibration and shock;

5. Installation environment: outdoor, installed in a fire-free house

750 kva ~ 2500 kva 3 phase pad-mounted transformer specifications

NameUnitHigh-voltageTransformerLow-voltage
Rated voltagekv1210/0.40.4
Rated currentA63072/1800 
Rated frequencyHZ5050 
Rated CapacitykVA 50~1250 
Lightning impulse withstand voltagekV7575 
Shell protection level  Fully enclosed 
Noise leveldB ≤55lp23
pad-mounted transformer diagrammm1825 X 1400 X 2020 ~ 3945 X 1560 X2020
3000 kva pad mounted transformers
3000 kva pad mounted transformers

Neatly arranged wiring

The internal wiring is neatly arranged, low loss, strong heat dissipation performance, long service life, and can be used in different environments;

Good protection performance, not afraid of bad weather. The electrical connection is fully sealed structure, without daily maintenance and repair.

Flame-retardant shell

The shell has good insulation, airtightness and excellent heat resistance;

The internal wiring is neatly arranged, low loss, strong heat dissipation performance, long service life, and can be used in different environments;

Especially suitable for ring network power supply operation, it is an ideal power distribution equipment in urban power distribution networks such as urban network construction and transformation, residential quarters, etc.

Low noise, low loss, short circuit resistance and super overload capacity.

pad-mounted transformer diagram
pad-mounted transformer diagram

Service life is more than 20 years

Use automated equipment to ensure product size accuracy. Provide up to two years of maintenance services to provide you with high-quality after-sales service.

The flexible electrical scheme, multiple combination schemes.