Siemens SIPROTEC 7SJ62 Manual page 533

Currents of sensitive ground fault de-
tection (total, real, and reactive cur-
rent)
, I ; I
I
Ns Ns real Ns reactive
Phase angle between zero sequence
voltage and sensitive ground current ϕ
(3V0, I )
Ns
RTD-box
Synchronization Function 25
1)
at nominal frequency
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
Fuse Failure Monitor
Operating Modes
SIPROTEC, 7SJ62/64, Manual
C53000-G1140-C207-2, Release date 01.2008
in A (kA) primary and in mA secondary
Range 0 mA to 1600 mA
1)
tolerance 2 % of measured value or 1 mA
in °
Range - 180° to + 180°
± 1°
1)
tolerance
See section (Temperature Detection via RTD Boxes)
See section (Synchronization Function 25)
of Currents
of Real Power
of Reactive Power
of Apparent Power
5, 15, 30 or 60 minutes
adjustable
I ; I ; I ; I in A (kA)
Admd Bdmd Cdmd 1dmd
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
I (positive sequence component);
1
S ; P ; Q
dmd dmd dmd
- in grounded systems
- in resonant-grounded/isolated systems
only for connection of phase-to-ground voltages
Technical Data
4.25 Additional Functions
533