Technical Solution for Connecting Switchyard 20/35kV Sastavci to 35kV Distribution Network

Bosnia and Herzegovina
Technical Solution for Connecting Switchyard 20/35kV Sastavci to 35kV Distribution Network

Client: Hydroenergy d.o.o. Gacko (B&H)

Type: Report

Finishing date: March 2023 (August 2023)

Team: Bosko Sijakovic -  Project Manager, M. Stojanovic, S. Markovic - Consultant

Subject of the Report is analyses of connection conditions for group of three small hydro power plants on the river Sutjeska and Jabušnica (in vicinity of Gacko) to the distribution network of MH ERS ZP "Elektro-Hercegovina" a.d. Trebinje over switchyard 20/35kV Sastavci. Three small hydro power plants SJ-2 (2.7MW) and SJ-3 (2.5MW) on river Jabušnici and S-3 (4.4MW) on Sutjeska river, in total 9.6MW of installed power.

The subject analyses fulfilled criteria for planning and exploitation of power system of B&H, in line with requirements for connection of production facilities type B.

Type of services provided:

  • Load flow, power losses, voltage profile and short-circuit analysis
  • Security analyses (n-1)
  • Dynamic stability analyses, fault ride through – FRT.