Electrical and electronic engineering

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Selection and specification of generators and associated equipment

  • Dimensioning and preparation of technical specifications for the acquisition, supply, assembly, testing and commissioning of generators and associated equipment
  • Review of manufacturer designs and supervision of factory tests
  • Integration and coordination with civil and other equipment designs.

Substations, transformers and cables

  • Designs and specification of conventional and GIS-type substations
  • Selection of high and medium voltage equipment; control, measurement, protection, telecommunications and auxiliary services.
  • Preparation of technical specifications for the supply, assembly, testing and commissioning of equipment
  • Preparation of plans with the distribution of equipment, control sequences, single-line and substation protections
  • Substation Automation System (SAS) design in accordance with IEC 61850 or using proprietary protocols
  • Substation control design
  • Design of the communication system between the substations and with the EMS (digital PLC, OPGW, Radio, satellite link)
  • Design of shielding systems and grounding meshes

Design and specification of transmission and distribution lines

  • Route selection and topographic survey
  • Mechanical calculation, selection or design of various components such as hardware chains, insulators, guard cables and family of structures
  • Calculations of electric and magnetic field intensities, radio interference and audible noise
  • Preparation of technical specifications for the purchase of materials and construction of the line and of design drawings for construction and assembly, supervision

Control, protection and telecommunications design and specification

  • Control and instrumentation system designs for generation equipment and industrial processes
  • Local data network (LAN) design at different levels of control
  • Review of manufacturers' designs and assistance with factory and on-site tests for the commissioning of control systems, protections and media
  • Design of fiber optic networks (aerial, underground, combined)
  • Design of telephone and local area network (LAN) systems, CCTV, access control, perimeter detection and fire detection
  • Designs in accordance with the Technical Regulations for Internal Telecommunication Networks (RITEL)

Design and specification of electrical and electronic systems in road tunnels and roads

  • Design of medium voltage, low voltage and energy management networks and substations
  • Design of grounding, lighting and ventilation systems
  • Design of the electrical and control system of pumping equipment
  • Intelligent transport systems (ITS) inside tunnels
  • Supervisory Control and Data Acquisition System (SCADA)
  • Traffic Control, Closed Circuit Television (CCTV), Automatic Incident Detection (DAI), Variable Messaging Panels (PMV), Fire Detection and Emergency Telephone System (SOS)
  • Tunnel Operation Control Center (CCO)