Siemens siprotec SJ62 User Manual page 515

4 Technical Data
Min / Max Report
Fuse Failure Monitor
Local Measured Values Monitoring
513
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
Setting range of displacement voltage 3V0
above which voltage failure is detected
Setting range of ground current above
which voltage failure is assumed
Operation of the fuse failure monitor
Current Asymmetry
Voltage Asymmetry
Current Sum
Current Phase Sequence
Voltage Phase Sequence
Limit Value Monitoring
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
10 - 100 V
0.1 - 1 A
Depending on the settings and the MLFB, the
FFM operates with the measured or the calculat-
ed values V and I .
N N
I /I > balance factor, for I > I
max min
V /V > balance factor, for V > V
max min
| i + i + i + k · i | > limit value, with 1 %
A B C I N
Clockwise (ABC) / counter-clockwise (ACB)
Clockwise (ABC) / counter-clockwise (ACB)
> limit value I >
I
A Admd
> limit value I >
I
B Bdmd
> limit value I >
I
C Cdmd
I > limit value I >
1 1dmd
I < limit value I <
L L
cos ϕ < lower limit value |cos ϕ |<
P > limit value of real power |P
Q > limit value of reactive power | Q
S > limit value of apparent power S
Pressure < lower limit value Press<
Temperature > limit value Temp>
SIPROTEC 4, 7SJ62/63/64 Handbuch
C53000-G1140-C147-A, Edition 07.2015
balance limit
lim
| >
dmd
| >
dmd
>
dmd