Customizable 6kV 10kV 35kV European Style Box Type prefabricate Substation

  • Customizable 6kV 10kV 35kV European Style Box Type prefabricate Substation
Key attributes
Brand Vziman
Model NO. Customizable 6kV 10kV 35kV European Style Box Type prefabricate Substation
Rated voltage 35kV
Rated frequency 50/60Hz
Rated capacity 2000kVA
Series YB
Product descriptions from the supplier
Description
Box Type Prefabricated Substation description：
The Box Type Prefabricated Substation (also called combined substation) is more flexible and convenient than traditional civil substations, widely applied in urban network transformation scenarios such as high-rise buildings, residential quarters, industrial parks, commercial centers, airports, station terminals, schools and industrial and mining enterprises. As a versatile power distribution equipment, the Box Type Prefabricated Substation consists of three core parts: high-voltage switchgear, transformer and low-voltage switchgear, with general layouts divided into combined type and integrated type (commonly known as European-style transformer).
The compact Prefabricated Substation adopts a combined layout in an "eye" or "pin" shape, with separate compartments for each functional part; the integrated layout takes the transformer as the main body, integrating high-voltage load switches and fuses into the transformer box to form a unified integrated structure. Both layouts highlight the advantages of the Box Type Prefabricated Substation, balancing space utilization and operational safety, and fully meeting the power distribution needs of diverse urban and industrial scenarios.
Compact Prefabricated Substation Feature：
  • Full-Scenario Customization：The Box Type Prefabricated Substation supports on-demand adjustment of voltage levels (6kV/10kV/35kV, etc.), capacity and cabinet layout, perfectly matching the power distribution requirements of different scenarios. The compact Prefabricated Substation can be further optimized for space-limited sites, with customized structural design to maximize spatial efficiency without compromising performance.
  • European-Style Integrated Design：Adopting European-standard compact integrated/combined layout, the compact Prefabricated Substation features a small footprint and quick on-site installation, adhering to strict European norms for safety and space utilization. This design makes the Box Type Prefabricated Substation an ideal choice for urban areas with limited installation space and urgent project schedules.
  • Strong Environmental Adaptability：The Box Type Prefabricated Substation is suitable for an ambient temperature range of -25℃~+40℃ and altitudes ≤4000m, and can adapt to scenarios with dust or mild corrosion (special working conditions support customization). The compact Prefabricated Substation retains the same environmental adaptability, ensuring stable operation in diverse climatic and geographical conditions.
  • Modular Structural Design：The high-voltage, transformer and low-voltage units of the Box Type Prefabricated Substation are independently modularized, facilitating later operation & maintenance, capacity expansion and component replacement. The modular design of the compact Prefabricated Substation also simplifies on-site disassembly and assembly, reducing maintenance workload and downtime.
  • High-Reliability Configuration：Equipped with current-limiting fuses, lightning strike and power frequency withstand voltage protection, the compact Prefabricated Substation has a short-circuit breaking capacity of 31.5kA, ensuring strong operational stability. This reliable configuration is consistent in the Box Type Prefabricated Substation, providing all-round protection for power distribution systems.

Compact Prefabricated Substation performance parameter：

  Project Unit Parameter
High voltage unit Rated frequency Hz 50
Rated voltage kV 6 10 35
Maximum operating voltage kV 6.9 11.5 40.5
Rated current A 400, 630, 1250
Transfer current A 1200-3150
Power frequency withstand voltage (to ground and interphase/isolating fracture) kV 42/48
Lightning impulse withstand voltage (to ground and interphase/isolating fracture) kV 75/85
Rated short-circuit breaking current (current limiting fuse) kA 31.5
 Transformer unit Rated voltage kV 6, 10, 35
Rated capacity kVA 30-2000
Tapping range % ±2×2.5%, ±5%
Connection group - Yyn0, Dyn11
Impedance voltage % 4, 4.5, 6, 8
 Low voltage unit Rated voltage V 220, 380, 690, 800
Rated current of main circuit A 50-4000
Housing Branch current A 5-800
Protection grade (conventional products) - High voltage chamber IP33; transformer room IP23; Low voltage chamber IP33
Noise level dB ≤ 50

Compact Prefabricated Substation Environmental conditions：

  • Altitude: The Box Type Prefabricated Substation is suitable for installation at altitudes not exceeding 4000m, with stable performance even in high-altitude plateau areas.
  • Ambient Temperature: The compact Prefabricated Substation operates reliably in a temperature range of -25℃~+40℃, adapting to seasonal temperature changes in most regions.
  • Relative Humidity: For the Box Type Prefabricated Substation, the daily average relative humidity shall not exceed 95%, and the monthly average shall not exceed 90%, avoiding moisture-induced electrical faults.
  • Installation Site: The compact Prefabricated Substation shall be installed in sites free of fire, explosion hazards, conductive dust, chemical corrosive gases and severe vibration. Customized solutions are available through negotiation with our company for scenarios exceeding these conditions.
Documentation Resource Library
Vziman Transformer Substation selection catalog
Restricted.
Vziman Transformer Substation selection catalog
Catalogue
English
Consulting
Consulting
FAQ
Q: What voltage grades does this Box Type Prefabricated Substation support, and how flexible is its customization?
A:

This Box Type Prefabricated Substation supports 6kV, 10kV and 35kV core voltage grades, with full-scenario customizable options including capacity, cabinet layout and functional configuration. The compact Prefabricated Substation variant can be further optimized for space-limited sites, adjusting internal module layout to maximize spatial efficiency while matching the voltage and load demands of different projects, fully adapting to urban, industrial and commercial power distribution scenarios.
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