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STC – Box

STC-Box is an insulated transportable medium-voltage (MV) compact substation. It is a modular structure, that can be set up accordingly to customer’s needs and it is divided into several transportable sections and assembled on site. It is a versatile product that can be supplied either completely assembled or in an "assembly kit" format.

Technical Features
  • The body structure (base, uprights, supports, roof) is made of steel sheets with a thickness of 25-30/10mm, Sendzimir SZ275 type, galvanized and coated with epoxy resin, suitable for outdoor installations in hostile environments

  • The box is equipped with vertical angular supports positioned on its four sides and intermediate brackets made in hot-dip galvanized steel sheet with a thickness of 30/10mm

  • External walls consist of one external layer in galvanized steel sheet 15/10mm, Sendzimir SZ275 type, coated with epoxy resin and one internal layer made of polyurethane insulating panels, with a thickness of 40 mm

  • Additional internal equipment: medium voltage (MV) switchgears, low voltage (LV) switchgears, power transformer, inverter, SCADA system, electrical installations, fire-fighting system, weather station, cooling system, auxiliary, UPS, batteries, CCTV

  • High-resistant coating for humid and saltiness

  • Indoor earthing system

  • Customized design of the base and interior spaces, accordingly with the layout of the equipment

  • Installation on slab or on raised supports

  • Lightning protection system

  • Control and services post

  • Lighting system, with internal control switchboard and emergency lighting

Advantages
  • Compact structure

  • Size upon request

  • Customized internal configurations

  • Resistant to elements and hostile environments

  • Simplified maintenance operations thanks to the access to internal equipment and safety systems

  • Transportable by sea and land

  • Plug and Play solution

Applications
  • Oil & gas

  • Railway sector

  • Smart grid

  • Mobile substations

  • Utility on primary and secondary distribution grids

  • Photovoltaic plants

  • Wind power stations

  • Hydroelectric power stations

  • Other electric energy generation plants

Related projects to STC – Box

STC-Box shelters and Medium Voltage ATR switchgears

Naypyidaw (Myanmar)

The project was carried out in the capital of Myanmar and it has allowed the increase in the supply of electricity from diesel power plants.

Mobile Substation 115/37,5/10,5kV 10MVA and Transformer 123kV

Udënisht, Korçë (Albania)

The project has seen the installation of a mobile substation in Udënisht, a well-known touristic area, in Korçë, the sixth most important town in Albania.