Technical Data
4.25 Additional Functions
SIPROTEC, 7SJ62/64, Manual
C53000-G1140-C207-2, Release date 01.2008
535
Energy Counter
1)
At nominal frequency
Statistics
Motor Statistics
Operating Hours Counter
Circuit Breaker Maintenance
Trip Circuit Monitoring
Meter Values for Energy
Wp, Wq (real and reactive energy)
in kWh (MWh or GWh) and in kVARh (MVARh or GVARh)
Range
Tolerance
1)
28 bit or 0 to 2 68 435 455 decimal for IEC 60870-5-103 (VDEW protocol)
31 bit or 0 to 2 147 483 647 decimal for other protocols (other than VDEW)
≤ 2 % for I > 0.1 I
Nom
, V > 0.1 V
Nom
and
|cosϕ | ≥ 0.707
Saved Number of Trips Up to 9 digits
Number of Automatic Reclosing Commands
(segregated according to 1st and ≥ 2nd cycle)
Up to 9 digits
Accumulated Interrupted Current (segregated according to pole) Up to 4 digits
Total number of motor startups 0 to 9999 Resolution1
Total operating time 0 to 99999 h Resolution1 h
Total down-time 0 to 99999 h Resolution1 h
Ratio operating time / down-time 0 to 100 % Resolution 0.1 %
Active energy and reactive energy (see Operational Measured Values)
Motor start-up data:
- Start-up time
- Start-up current (primary)
- Start-up voltage (primary)
of the last 5 start-ups
0.30 s to 9999.99 s
0 A to 1000 kA
0 V to 100 kV
Resolution 10 ms ...
Resolution1 A
Resolution1 V
Display Range Up to 7 digits
Criterion Overshoot of an adjustable current threshold (element 50-1, BkrClosed I MIN)
Calculation methods on true r.m.s value basis: ΣI, ΣI
x
, 2P;
on instantaneous value basis: I
2
t
Acquisition/conditioning of measured values phase-selective
Evaluation one threshold per subfunction
Number of saved statistic values up to 13 digits
With one or two binary inputs.
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