Siemens SIPROTEC 4 - Page 511

Range
Tolerance
1)
0 % to 400 %
5 % class accuracy acc. to IEC 60255-8
Temperature restart inhibit
Θ
L
/Θ
L Trip
in %
Range
Tolerance
1)
0 % to 400 %
5 % class accuracy acc. to IEC 60255-8
Restart threshold
Θ
Restart
/Θ
R Trip
in %
Inhibit time T
Reclose
in min
Currents of sensitive ground fault detection
(total, real, and reactive current)
Ι
Ns
, Ι
Nsreal
; Ι
Nsreactive
in A (kA) primary and in mA secondary
Range
Tolerance
1)
0 mA to 1600 mA
2 % of measured value or 1 mA
Phase angle between zero sequence voltage
and sensitive ground current φ (3V0, Ι
Ns
)
in °
Range
Tolerance
1)
- 180° to + 180°
± 1°
RTD-box See section (Temperature Detection via RTD Boxes)
Synchronization Function 25 See section (Synchronization Function 25)
1)
at nominal frequency
Long-Term Mean Values
Time Window
5, 15, 30 or 60 minutes
Frequency of Updates adjustable
Long-Term Averages
of Currents
of Real Power
of Reactive Power
of Apparent Power
Ι
Admd
; Ι
Bdmd
; Ι
Cdmd
; Ι
1dmd
in A (kA)
P
dmd
in W (kW, MW)
Q
dmd
in VAr (kVAr, MVAr)
S
dmd
in VAr (kVAr, MVAr)
Min./Max. Memory
Storage of Measured Values
with date and time
Reset automatic Time of day adjustable (in minutes, 0 to 1439 min) Time
frame and starting time adjustable (in days, 1 to 365 days,
and ∞)
Manual Reset Using binary input
Using keypad
Via communication
Min/Max Values for Current
Ι
A
; Ι
B
; Ι
C
;
Ι
1
(positive sequence component)
Min/Max Values for Voltages V
A-N
; V
B-N
; V
C-N
;
V
1
(positive sequence component);
V
A-B
; V
B-C
; V
C-A
Min/Max Values for Power S, P; Q, cos φ; frequency
Min/Max Values for Overload Protection Θ/Θ
tRIP
Technical Data
4.27 Additional Functions
SIPROTEC 4, 7SJ62/64, Manual 511
C53000-G1140-C207-8, Edition 08.2016