ZGS11-12 Combined American Prefabricated Substation

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ZGS11-12 Combined American Prefabricated Substation

ZGS11-12 Combined American Prefabricated Substation

The ZGS11-12 Combined American Prefabricated Substation is a compact and integrated power distribution unit that incorporates a transformer, high-voltage switchgear, low-voltage distribution panel, and related electrical equipment into a single, sealed enclosure. 

Product Advantages
Space Efficiency
The compact design integrates multiple functions, significantly reducing installation space compared to traditional substations.It allows installation in areas with limited space, such as urban streets, residential zones, and industrial parks.

Fast Installation
Preassembled at the factory, the substation can be quickly deployed on-site.Minimal civil construction is needed, reducing both time and cost in infrastructure development.

Cost Control
Integrated configuration reduces transportation, construction, and labor costs.Low maintenance requirements contribute to long-term operational savings.

Improved Safety
Enclosure provides full insulation and complete grounding, reducing the risk of electric shock.High-voltage and low-voltage compartments are separated, ensuring operational safety for maintenance personnel.

Stable Performance
Equipped with a sealed transformer and fully enclosed switchgear, it offers stable and reliable electrical performance.Resistant to moisture, dust, and environmental contaminants, supporting continuous operation in harsh conditions.

Product Features
Modular Construction
High-voltage, transformer, and low-voltage sections are arranged logically for ease of access and maintenance.Modular layout supports flexible configuration based on site requirements.

Fully Enclosed and Sealed Design
The transformer is oil-immersed and hermetically sealed, minimizing oil leakage and enhancing safety.Outer shell is made of corrosion-resistant materials, often treated with anti-rust coating for durability.

Dual Protection Mechanism
High-voltage section includes protective devices like load switches, fuses, and surge arresters.Low-voltage side integrates circuit breakers and metering units to ensure coordinated protection.

ZGS/①口/②12/0.4/③ (口)/④口/⑤口/⑥

Prefabricated substation (American style)
Design serial number 
Rated voltage 
High voltage switchgear equipped with main switch category: F-load switch; F·R- load switch+fuse 
Type of operating mechanism for high-voltage switchgear: T-spring operating mechanism; S-manual mechanism 
Rated capacity of transformer (kVA)
Serial number Name Unit parameter
1 Rated voltage KV 10/4(High pressure/low pressure)
2 Maximum operating voltage KV 12(High voltage side)
3 Rated frequency Hz 50
4 Rated capacity KVA 50-1600
5 1 minute power frequency withstand voltage K 35
6 Lightning impulse voltage KV 75
7 Cooling method Oil immersed self cooling
8 High voltage backup fuse breaking current KA 50
9 Interupting current of plug-in fuse KA 25
10 Ambient temperature -35~+40
11 Allowable temperature rise of coil 65
12 No-load voltage regulation ±5%±2x2.5%
13 Noise level Db 50
14 Protection level IP43

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