Reconstruction of medium voltage transformer station 35/10 kV Dugi Otok

KONČAR ELECTRONICS AND INFORMATICS Ltd. for production and services completed reconstruction of medium voltage transformer station for Croatian DSO (Distribution System Operator). It is TS 35/10 kV Dugi Otok, located on central part of Dugi Otok island. 

Reconstruction of medium voltage transformer station 35/10 kV Dugi Otok

Due the increase of station capacity and expanding with additional 4MVA transformer, new bays are added and equipped with protection and control terminals (relays). In addition all other protection devices are upgraded and changed.
All new devices are KONČAR protection relays of KONPRO series: RFX633 and RFD633. KONČAR ELECTRONICS AND INFORMATICS Ltd. for production and services also provided new AC power supply system. Communication between relays is done using IEC 61850 protocol.
After installation, all equipment is successfully tested together with remote control from DSO dispatching centre in Zadar.