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ZGS11-12 Series
Outdoor Prefabricated Transformer Substation

ZGS11-12 Series Outdoor Prefabricated Transformer Substation


ZGS11-12 series American Outdoor Prefabricated Transformer Substation has the advantages of small size, easy installation and maintenance, low noise, low loss, anti-theft, full protection, and strong overload capacity. The ZGS11-12 series can be used as power transformation, metering, compensation control and protection device in the 10kV ring main power supply, dual power supply or terminal power supply system , and is widely used in the residential area, green belts, parks, stations, construction sites, airports and other places. The ZGS11-12 series meet the following standards: GB17467 "High-voltage/low-voltage Prefabricated Substation", DL/T537 "High-voltage/low-voltage Prefabricated Cubicle Substation Selection Guide".

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Basic Parameters

Rated voltage (kV): 10/4 (High-voltage/Low-voltage)

Maximum working voltage (kV): 12 (High-voltage side)

Rated frequency (Hz): 50

Rated capacity (kVA): 50~1600

Power frequency withstand voltage (1min) (kV): 35

Rated lightning impulse withstand voltage (peak) (kV): 75

Cooling method: Oil-immersed natural cooling

No-load voltage regulation: ±5%Ue; ±2×2.5%Ue

Noise level (db): 50

Ingress Protection Ratings of Cabinet: IP43

Application Environment

Ambient temperature: -35℃~+40℃

Altitude: ≤1000m

Relative humidity: daily average ≤95%, monthly average ≤90%

Installation site: no fire, no explosion hazard, no chemically corrosive gas, well ventilation, and the inclination of the ground is not more than 3°

* If you need to customize according to your special needs, please contact us.

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