Siemens SIPROTEC 7SK80 Manual page 391

Motor protection
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Range
Tolerance
Temperature
Restart inhibit
Θ
L
L Trip
Range
Tolerance
Restart threshold
Θ
Restart
L Trip
Inhibit time T
Phase angle between zero sequence voltage
and sensitive ground current ϕ (3V0, INs)
Range
Tolerance
RTD box
1)
at nominal frequency
2)
Display of cos ϕ above I/I
Long-Term Averages
Time Window
Frequency of Updates
Long-Term Averages
Min / Max Report
Storage of Measured Values
Reset automatic
Manual Reset
Min/Max Values for Current
Min/Max Values for Voltages
Min/Max Values for Power
Min/Max Values for Overload Protection
Min/Max Values for Mean Values
SIPROTEC, 7SK80, Manual
E50417-G1140-C344-A4, Release date 08.2010
1)
1)
Reclose
1)
and V/V
Nom
of Currents
of Real Power
of Reactive Power
of Apparent Power
0 mA to 1600 mA
or 0 A to 8 A for I
Nom
3 % of measured value or 1 mA
in %.
0 % to 400 %
5% class accuracy per IEC 60255-8
in %.
in min
in °
- 180° to + 180°
± 1°
See section (Temperature Detection via RTD Boxes)
greater than 10%
Nom
5, 15, 30 or 60 minutes
adjustable
I
; I
; I
; I
Admd
Bdmd
Cdmd
P
in W (kW, MW)
dmd
Q
in VAr (kVAr, MVAr)
dmd
S
in VAr (kVAr, MVAr)
dmd
with date and time
Time of day adjustable (in minutes, 0 to 1439 min) Time frame
and starting time adjustable (in days, 1 to 365 days, and ∞)
Using binary input
Using keypad
Via communication
I
; I
; I
;
A
B
C
I
(positive sequence component)
1
V
; V
; V
;
A-N
B-N
C-N
V
(Positive Sequence Component);
1
V
; V
; V
A-B
B-C
C-A
S, P; Q, cos ϕ; frequency
Θ/Θ
Trip
I
; I
; I
;
Admd
Bdmd
Cdmd
(positive sequence component);
I
1
S
; P
; Q
dmd
dmd
dmd
4.20 Additional Functions
= 5 A
in A (kA)
1dmd
Technical Data
391

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