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Dry type transformer

SG-80KVA three-phase isolation transformer

SG-80KVA three-phase isolation transformer

Capacity 80kVA, primary side voltage 380V AC, secondary side voltage 220V AC, optional coil material (aluminum and copper). Lower heat emissions and lower operating costs make this transformer ideal for a wide range of a wide range of applications.

What is a SG-80KVA three-phase isolation transformer?

3 phase isolation transformers are 3 phase transformers with isolated primary and secondary windings. As a result, the power input will be separated from the power output. It can safeguard sensitive equipment.

The feature of SG-80KVA three-phase isolation transformer

Establishing a new neutral-grounding in the isolation transformer can relieve the common mode interference and other neutrals in the power grid.
The isolation transformer converts the three-wire △ wiring into a four-wire Yo system,
and the shielding further eliminates the high-frequency pulse interference coupled by the transformer and noise.

The features and advantages of SG-80KVA three-phase isolation transformer

1 High isolation

2 Good performance of N-G

3 High common mode interference suppression

4 Convert △ to Y

5 Voltage taps are easy to convert

6 Designed according to user's special performance requirements

The technical index of SG-80KVA three-phase isolation transformer

Basics Model SG-80KVA
Phase 3 phase
Capacity 80 kVA
Weight of Copper Wire Transformer 250Kg
Dimension of Copper Wire Transformer 800*550*800
Technical Parameters Primary Voltage 380V (Optional: 190V/ 208V/ 220V/ 230V/ 240V/ 380V)
Secondary Voltage 220V (Optional: 190V/ 208V/ 220V)
Frequency 50Hz / 60 Hz
Insulation Grade H level
Wiring Mode Dyn11
Voltage Convert Three phase to three phase
Winding Material Aluminium/Copper wire (Optional)
Work Efficiency ≥95%
Insulation Resistance ≥50 MΩ
Electrical Strength 2500V AC/1 min
Noise <35-65dB (1 meter)
Cooling Mode Dry type air cooling
Overload Capacity Allow more than 1.2 times rated load to work for up to 4 hours
Enclosure Protection Grade IP54/IP20
Certificate CE, ISO
Working Environment Temperature ‘-15℃~+45℃
Humidity ≤90%RH, without condensation
Altitude <5000m, non corrosive gas and conductive dust



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