Siemens siprotec 7SA6 User Manual

Technical Data
10-38 7SA6 Manual
C53000-G1176-C133-1
10.19 Supplementary Functions
Measured Value
Processing
Operational measured values of currents I
L1
; I
L2
; I
L3
; 3I
0
; I
1
; I
2
; I
Y
; I
P
in A primary and secondary and in % I
N
– Tolerance 0.5 % of measured value or 0.5 % of I
N
Operational measured values of voltages U
L1–E
; U
L2–E
; U
L3–E
; U
X
in kV primary and V second. and % U
N
/√3
– Tolerance 0.5 % of measured value or 0.5 % of U
N
Operational measured values of voltages 3U
0
in kV primary and
V secondary and % U
N
· √3
– Tolerance 0.5 % of measured value or 0.5 % of U
N
Operational measured values of voltages U
L1–L2
; U
L2–L3
; U
L3–L1
; U
1
; U
2
; U
x
in kV primary and V secondary and % U
N
– Tolerance 0.5 % of measured value or 0.5 % of U
N
Operational measured values of
impedances R
L1–E
; R
L2–E
; R
L3–E
; R
L1–L2
; R
L2–L3
;
R
L3–L1
; X
L1–E
; X
L2–E
; X
L3–E
; X
L1–L2
;
X
L2–L3
; X
L3–L1
in Ω primary and secondary
Operational measured values of power S; P; Q (apparent, active and
reactive power)
in MVA; MW; Mvar primary and % S
N
(operational nominal power) = √3
· U
N
· I
N
– Tolerance 1 % of measured value or 1 MVA/MW/Mvar
Operational measured values
of power factor cos ϕ
– Tolerance 0.02
Operational measured value
of frequency f
in Hz and % f
N
– Range 96 % to 104 % of f
N
– Tolerance 10 mHz or 0.2 %
Thermal measured values Θ
L1
/Θ
TRIP
; Θ
L2
/Θ
TRIP
; Θ
L3
/Θ
TRIP
; Θ/Θ
TRIP
related to tripping temperature rise
Operational measured values
of synchro check U
line
; U
sync
; U
diff
in kV primary
f
line
; f
sync
; f
diff
in Hz;
ϕ
diff
in °
Measured values of earth fault I
Ea
; I
Er
(active and reactive component
detection in non-earthed systems of earth fault current (residual current)
in A primary and mA secondary

Siemens siprotec 7SA6 Specifications

General

Brand	Siemens
Model	siprotec 7SA6
Category	Relays
Language	English