The energy monitoring system established in 2012 was supplemented by 28 ABB MV relays based in 6 locations and 6 ABB 520 series RTUs installed for hardware signals from the site. The load shedding system was built with ABB PLC.

System Architecture

ABB RTU 520 ve ABB AC500 PM573 500 I/O

Scada data point : 3000

• Communication with ABB Relays by IEC 61850 Communication protocol.
• Communication with RTUs by IEC 104 protocol..
• Reading, recording and reporting energy values on relays.
• Busbar coloring on a single line diagram.
• Dynamic Scada page showing the status of communication between devices in the system.
• Infrastructure of fiber ring communication between locations and Scada.