Electrical studies

Sisener engineering services

Connection and access studies, operation and electrical network capacity studies, N and N-1 stationary studies, power flow studies, contingency studies, short-circuit studies, transient stability studies, energy quality studies, protection coordination studies and electromagnetic transients studies (EMT) among others, as well as modelling.

We have extensive experience in electrical calculations related to the design of high voltage electrical substations, power lines and generation plants, as well as in simulation and modeling of electrical power systems, having for this purpose the necessary software tools to carry out all types of studies.

Electrical studies

  • Modeling and simulation of static and dynamic electrical power systems. Available software PSS-E, DiGSILENT.
  • Short-circuit studies.
  • Load flow studies.
  • Reactive energy compensation studies.
  • Complementary simulations related to network code compliance (NTS).
  • Energy quality studies (Flickers, Harmonics, Imbalances in the electrical network).
  • Node capacity studies and network contingency analysis (N-1).
  • Curtailment studies (outages due to overproduction or generation disconnection).
  • Pre-operational and operational systemic studies for connection to distribution and transmission networks.

Facility design

  • Grounding grid calculation. Available software: CDEGS-SES.
  • Aerial grounding/Lightning protection calculation.
  • Insulation coordination studies.
  • Protection coordination studies.
  • Power cable ampacity calculation. Available software: CYMCAP.

    • Multiple duct banks and backfills.
    • Cables buried in trenches, directly buried or under-pipe.
    • Transient thermal analysis.
  • Auxiliary services calculations:

    • Auxiliary services transformer sizing.
    • DC batteries dimensioning.
    • Low voltage conductors dimensioning.
    • Low voltage protection selectivity.

Commissioning

  • Substation commissioning.

    • Functional tests.
    • On-site configuration and testing of protection relays.
  • Analysis of faults or anomalies in substations and troubleshooting.

Checking circuits in the same trench

Checking circuits in the same trench

Substation contact voltages

Ground potential rise

Contact stresses of a plant

Cable modeling

Some references

Work and quality

We are ready to provide high quality solutions with our multidisciplinary team and our comprehensive approach.

Underground earth study ST CARRIÓN 400 kV

Study ST CAPARACENA 400kV

Study ST TERRER 132 kV

Contact

How can we help you?

How can we help you?
Additional information

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Email: info@sisener.com

Phone: (+34) 976 301 351

Zaragoza: Paseo Independencia 16,
Planta 1ª. 50004
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