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 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 Compact Substation 35/20/10kV

Peshkopi (Dibër) - Albania

Design, construction and supply of a medium-voltage (MV) compact substation in Peshkopi, industrial area of the Albanian city Dibër.

N. 7 COMPACT SUBSTATIONS STC-BOX 24kV 2000A 31.5kA 180MW

Guacara e Tucacos (Venezuela)

The project was carried out in Guacara and Tucacas, tourist cities located in Venezuela. It has seen the implementation of several compact substations, destined to Hyundai generator plants.