Customization 10kV 27kV 35kV Compact Prefabricated Substation Manufacturer

  • Customization 10kV 27kV 35kV Compact Prefabricated Substation Manufacturer
Key attributes
Brand Vziman
Model NO. Customization 10kV 27kV 35kV Compact Prefabricated Substation Manufacturer
Rated voltage 27kV
Rated frequency 50/60Hz
Rated capacity 1500kVA
Series YB
Product descriptions from the supplier
Description
Compact Prefabricated Substations description
This 10kV State Grid Standard Compact Box Type Substation is a specialized Compact Prefabricated Substations tailored for energy projects with a rated capacity ≤ 630kVA and limited installation space, and it is also a high-adaptability variant of Box Type Prefabricated Substations complying with national power grid norms. Compared with the standard models in the 10kV Box Type Prefabricated Substations series, this Compact Prefabricated Substations optimizes the internal functional configuration with a streamlined design: it eliminates the low-voltage main incoming switch and outgoing line isolation switch, reduces the low-voltage outgoing circuits to 4 paths, limits the number of compensation capacitor banks to ≤ 4 groups, and lowers the reactive power compensation capacity to 15% of the transformer's rated capacity.
The optimized structural design makes its volume reduced by 2.5 times compared with standard Box Type Prefabricated Substations, while retaining the core power distribution and protection functions, which significantly cuts the later operation and maintenance costs of the equipment. All performance indicators of this Compact Prefabricated Substations have passed State Grid standardization acceptance tests and professional performance verification, meeting the strict technical requirements of national power grid construction and application.

Features of Compact Prefabricated Substations

  • Ultra-Small Footprint, Low Civil Cost:This Compact Prefabricated Substations boasts an extremely compact overall structure, covering only 1/3 of the floor area of traditional European-style box transformers and far smaller than standard Box Type Prefabricated Substations, which can be flexibly installed in narrow spaces. It greatly reduces the scale of on-site civil construction, directly cutting down civil engineering costs and adapting to the installation requirements of space-constrained power distribution scenarios.
  • Comprehensive HV Protection, Diverse Power Supply Modes:Equipped with full-range high-voltage protection functions, the Compact Prefabricated Substations effectively resist overvoltage, overcurrent and short-circuit faults, and supports terminal and ring network two mainstream power supply modes, with broad applicability in power grid construction. This advantage is also a core design feature of our standardized Box Type Prefabricated Substations, ensuring stable and safe power supply in different wiring schemes.
  • Classified Functional Compartments, Meets Smart Requirements:The entire Compact Prefabricated Substations is scientifically divided into 6 independent functional compartments, with clear zoning and reasonable layout, which fully meets the functional configuration requirements for intelligent Box Type Prefabricated Substations, and provides a reliable structural foundation for subsequent intelligent upgrade and monitoring module access.
  • Low Noise & Low Radiation, Environmental Friendly Operation:The transformer of the Compact Prefabricated Substations is housed in a fully enclosed cabinet, which effectively isolates noise and electromagnetic radiation, realizing minimal noise and radiation emissions during operation. This design is an optimized upgrade on the basis of standard Box Type Prefabricated Substations, meeting the environmental protection requirements of urban, residential and industrial park power distribution scenarios.
  • High Protection Grade, Adapts to Harsh Environments:With an overall high protection grade, this Compact Prefabricated Substations has excellent dustproof, waterproof and anti-corrosion performance, specially suitable for outdoor locations with heavy salt mist and high dust concentration. It makes up for the deficiency of partial standard Box-Type Prefabricated Substations in harsh environment adaptability, expanding the application range of Box Type Prefabricated Substations.
  • Streamlined Configuration, Low Operation Cost:Based on the actual load demand of small and medium-capacity power distribution scenarios, the Compact Prefabricated Substations adopts a streamlined functional configuration, eliminating redundant components on the premise of ensuring core functions, which not only reduces the equipment volume but also lowers the failure rate of components. It significantly cuts the daily operation, maintenance and component replacement costs, and is more cost-effective than standard Box Type Prefabricated Substations in small-capacity scenarios.
Compact Prefabricated Substations application Conditions
The installation environment must meet the following conditions:
  • Altitude not exceeding 2000 meters; derating operation is required for altitudes above this limit.
  • Ambient temperature range of -40℃~+50℃, capable of withstanding short-term temperature fluctuations within ±5℃.
  • Daily average relative humidity not exceeding 95% (at 25℃), with no condensation inside the equipment.
  • The installation site is free of severe vibration, explosive gases and highly corrosive media, with a ground inclination not exceeding 3°.
  • The power grid frequency is stable at 50Hz/60Hz, with a frequency deviation not exceeding ±1Hz.
  • The fluctuation range of the input voltage on the high-voltage side does not exceed ±5% of the rated voltage, adapting to the voltage fluctuation of the distributed photovoltaic grid-connected system.
  • The installation site must be equipped with a dedicated lightning protection and grounding system, with a grounding resistance ≤ 4Ω.
Box Type Prefabricated Substations application Scenarios
  • Distributed photovoltaic power plants: such as outdoor photovoltaic scenarios including commercial and industrial rooftop PV, agriculture-PV complementary projects, and mountainous PV power plants.
  • Urban power distribution network transformation: suitable for power grid upgrading projects with limited installation space such as old urban residential areas and narrow streets.
  • Industrial park power distribution: providing compact and efficient power supply solutions for small and medium-sized manufacturing enterprises and warehousing parks.
  • Power supply in remote areas: such as power supply guarantee projects in areas with weak power infrastructure such as rural and mountainous areas.
  • Salt mist and dusty environments: such as outdoor power distribution scenarios with high salt mist concentration and large dust volume, such as coastal areas and mine surroundings.
FAQ
Q: Can Compact Prefabricated Substations be customized for new energy grid connection, and do Box Type Prefabricated Substations have this capability?
A:

Absolutely. Our Compact Prefabricated Substations can be customized with new energy grid-connection functions, matching photovoltaic, wind power and other new energy systems, equipped with anti-islanding protection and reactive power adjustment modules. Box Type Prefabricated Substations also support such customization, and both can adapt to the voltage fluctuation characteristics of new energy power generation, realizing seamless grid connection.

Q: What structural differences are there between Compact Prefabricated Substations and Box Type Prefabricated Substations in customized projects?
A:

Customized Compact Prefabricated Substations adopt a highly integrated compartmentalized structure, optimizing internal layout to minimize volume and footprint, suitable for space-constrained scenarios. Box Type Prefabricated Substations (including European/American styles) have a more modular structure, with independent high-voltage, transformer and low-voltage compartments for convenient maintenance. Both can be customized in structure, with the former focusing on compactness and the latter on operational convenience.

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