Supplementary Functions - Siemens siprotec 7SA522 User Manual

Technical Data
Trip Circuit Super-
vision

10.17 Supplementary Functions

Measured Value
Processing
Fault Event Data
Log
Fault Recording
10-28
– FFM U<max
– FFM I
delta
1
) Secondary values based on I
Operation
Alarm delay
Operational measured values of currents I
– Tolerance
Operational measured values of voltages U
– Tolerance
Operational measured values of voltages U
– Tolerance
Operational measured values of power
– Tolerance
Operational measured values of power
factor
– Tolerance
Operational measured values
of frequency
– Range
– Tolerance
Storage of the messages of the last 8 faults
Number of stored fault records
Total storage period
(start with pick-up or trip)
all U
Ph-E
AND at the same time
all I < (I
Ph
AND
all I > 40 mA
Ph
2 V to 100 V
0.05·A to 1.00·A
= 1 A; for I = 5 A they must be multiplied with 5.
N N
with 1 binary input or with 2 binary inputs
1 s to 30 s
; I ; I
L1 L2
in A primary and secondary and in % I
≤ 1 % of I
≤ 1 % of measured value for I > I
; U
L1–E
in kV primary and V second. and % U
≤ 1 % of U
≤ 1 % of measured value for U > U
; U
L1–L2
in kV primary and V secondary and % U
≤ 1 % of U
≤ 1 % of measured value for U > U
P; Q (active; reactive power)
in MW and Mvar primary and % S
(operational nominal power)
= √3 · U
≤ 2 % of S
cos ϕ
0.01
in Hz and % f
96 % to 104 % of f
10 mHz or 0.2 %
with a total of max. 200 individual messages
max. 8
max. 15 s
< FFM U<max
> (Dist.))
Ph
(steps 1 V)
1)
(steps 0.01·A)
(steps 1 s)
; I
L3 4
for I ≤ I
N
; U ; U
L2–E L3–E X
for U ≤ U
N
; U
L2–L3 L3–L1
for U ≤ U
N
· I
N N
N
N
N
7SA522 Manual
C53000-G1176-C119-2
N
N
N
/√3
N
N
N
N
N
N
N