Appendix
A.6 Functional Scope
SIPROTEC, 7SD5, Manual
C53000-G1176-C169-5, Release date 02.2011
682
A.6 Functional Scope
Addr. Parameter Setting Options Default Setting Comments
103 Grp Chge OPTION Disabled
Enabled
Disabled Setting Group Change Option
110 Trip mode 3pole only
1-/3pole
3pole only Trip mode
112 DIFF.PROTECTION Enabled
Disabled
Enabled Differential protection
115 Phase Distance Quadrilateral
MHO
Disabled
Quadrilateral Phase Distance
116 Earth Distance Quadrilateral
MHO
Disabled
Quadrilateral Earth Distance
117 Dis. PICKUP Z< (quadrilat.)
I> (overcurr.)
U/I
U/I/Ï•
Disabled
Z< (quadrilat.) Distance protection pickup
program
119 Iph>(Z1) Disabled
Enabled
Disabled Additional Threshold Iph>(Z1)
120 Power Swing Disabled
Enabled
Disabled Power Swing detection
121 Teleprot. Dist. PUTT (Z1B)
PUTT (Pickup)
POTT
Dir.Comp.Pickup
UNBLOCKING
BLOCKING
Rev. Interlock
Pilot wire comp
Disabled
Disabled Teleprotection for Distance prot.
122 DTT Direct Trip Disabled
Enabled
Disabled DTT Direct Transfer Trip
124 HS/SOTF-O/C Disabled
Enabled
Disabled Instantaneous HighSpeed/SOTF
Overcurrent
125 Weak Infeed Disabled
Enabled
Logic no. 2
Disabled Weak Infeed (Trip and/or Echo)
126 Back-Up O/C Disabled
TOC IEC
TOC ANSI
TOC IEC Backup overcurrent
130 Sens. Earth Flt Disabled
Enabled
Disabled Sensitive Earth Flt.(comp/ isol.
starp.)
131 Earth Fault O/C Disabled
TOC IEC
TOC ANSI
TOC Logarithm.
Definite Time
U0 inverse
Sr inverse
Disabled Earth fault overcurrent