• Frequency protection
– Underfrequency protection (PTUF,81)
– Overfrequency protection (PTOF,81)
– Rate-of-change frequency protection(PFRC,81)
• Multipurpose protection
– General current and voltage protection(GAPC)
• Secondary system supervision
– Current circuit supervision (RDIF)
– Fuse failure supervision (RFUF)
• Control
– Synchrocheck and energizing check(RSYN,25)
– Autorecloser (RREC,79)
– Apparatus control for single bay, max 8 app.(1CB) incl. Interlocking (APC8)
– Apparatus control for single bay, max 15 app.(2CBs) incl. Interlocking (APC15)
– Apparatus control for up to 6 bays, max 30app. (6CBs) incl. Interlocking (APC30)
• Logic
– Tripping logic (PTRC, 94)
– Trip matrix logic
– Configurable logic blocks
– Fixed signal function block
• Monitoring
– Measurements (MMXU)
– Supervision of mA input signals (MVGGIO)
– Event counter (GGIO)
– Event function
– Disturbance report (RBDR)
– Fault locator (RFLO)
Leave a comment
Your email address will not be published. Required fields are marked *