Siemens siprotec 7SD5, Руководство пользователя

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