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Remote measured values for currents
Remote measured values for voltages
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
Resolution for fault events
Buffer battery
7SA522 Manual
C53000-G1176-C155-3
1)
At nominal frequency
I
, I
, I
of remote end
L1
L2
L3
ϕ(I
); ϕ(I
); ϕ(I
) (remote versus local) in °
L1
L2
L3
U
; U
; U
of remote end
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;
separate for 1st AR cycle
and for all further cyles
Pole segregated
Pole segregated
1 ms
1 ms
Type: 3 V/1 Ah, Type CR 1/2 AA
self-discharging time approx. 10 years
4.22 Auxiliary Functions
485
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