Siemens SIPROTEC 7SJ61, Руководство пользователя, Страница: 361 / 454

Technical Data
4.20 Additional Functions
SIPROTEC, 7SJ61, Manual
C53000-G1140-C210-1, Release date 02.2008 361
4.20 Additional Functions
Operational Measured Values
1)
At nominal frequency
Long-Term Averages
Min / Max Report
Currents
I
A
;
I
B
;
I
C
Positive sequence component I
1
Negative sequence component
I
2
I
N
or 3 I
0
in A (kA) primary and in A secondary or in % I
Nom
Range
Tolerance
1)
10 % to 200 % I
Nom
1 % of measured value or 0.5 %
I
Nom
Temperature Overload Protection
Θ
/
Θ
Trip
in %.
Range
Tolerance
1)
0 % to 400 %
5% class accuracy per IEC 60255-8
Temperature Restart Inhibit
Θ
L
/
Θ
L Trip
in %.
Range
Tolerance
1)
0 % to 400 %
5% class accuracy per IEC 60255-8
Restart Threshold
Θ
Restart
/
Θ
L Trip
in %.
Reclose time T
Reclose
in min
RMS Current Value of Sensitive
Ground Fault Detection
I
Ns
in A (kA) primary and in mA secondary
Range
Tolerance
1)
0 mA to 1600 mA
2 % of measured value or 1 mA
RTD-Box See section „RTD-Boxes for Temperature Detection“
Time Window 5, 15, 30 or 60 minutes
Frequency of Updates Adjustable
Long-Term Averages
I
Admd
;
I
Bdmd
;
I
Cdmd
;
I
1dmd
in A; kA
Report 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
Using communication
Min/Max Values
I
A
;
I
B
;
I
C
;
I
1
(positive sequence component)
Min/Max Values of the Overload Protection
Θ
/
Θ
Trip
Min/Max Values of Averages I
Admd
; I
Bdmd
; I
Cdmd
;
I
1dmd
(positive sequence component);