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Long-term mean value
Minimum and maximum values
Remote measured values for currents
Remote measured values for currents
Operational Event Log Buffer
Capacity
Fault Protocol
Capacity
Fault Recording
Number of stored fault records
Storage time
Sampling rate at f
= 50 Hz
N
Sampling rate at f
= 60 Hz
N
Statistics (serial protection data interface)
Availability of transmission for applications with pro-
tection data interface
Delay time of transmission
Statistics
Number of trip events caused by the device
Number of automatic reclosures
initiated by the device
Total of interrupted currents
Maximum interrupted current
Real Time Clock and Buffer Battery
Resolution for operational events
7SD5 Manual
C53000-G1176-C169-1
dmd; I
dmd; I
dmd; I
dmd;
I
L1
L2
L3
1
Pdmd; Pdmd Forw, Pdmd Rev;
Qdmd; QdmdForw; QdmdRev;
Sdmd
in primary values
I
; I
; I
; I
; I
d; I
d; I
L1
L2
L3
1
L1
L2
L3
U
; U
; U
; U
;
L1-E
L2-E
L3-E
1
U
; U
; U
; 3U
;
L1-L2
L2-L3
L3-L1
0
P Forw; P Rev; Q Forw; Q Rev; S; Pd; Qd; Sd;
cos ϕ Pos; cos ϕ Neg; f
in primary values
I
; I
; I
of remote end in % I
L1
L2
L3
ϕ(I
); ϕ(I
); ϕ(I
) (remote versus local) in °
L1
L2
L3
U
; U
; U
of remote end in % U
L1
L2
L3
ϕ(U
); ϕ(U
); ϕ(U
) (remote versus local) in °
L1
L2
L3
200 records
8 faults with a total of max. 600 messages
Max. 8
Max. 5s for each fault
approx. 15 s in total
1 ms
0.83 ms
Availability in %/min and %/h
Resolution 0.01 ms
Separately for each breaker pole (if single-pole tripping is pos-
sible)
Separate for 1-pole and 3-pole AR;
Separately for 1st AR cycle
and for all further cyles
Pole segregated
Pole segregated
1 ms
4.24 Additional Functions
d; I
d;
1
NOperation
/√3
NOperation
575
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