
10163230-216-229-B1
2
© 2007 Schneider Electric. All Rights Reserved.
Use
SFT2841 Setting and Operating
Software
Default Settings
Sepam™ uses default factory settings on the first use. You can return to the default
settings at any time by using the Factory Settings function in the SFT2841 software.
These settings are also used to initialize the SFT2841 software setting files.
Parameter Default Value
Hardware Configuration
Model Integrated UMI
Identification Sepam™ xxx
COM1, COM2 Off
MET148-2 No. 1, 2 Off
MSA141 Off
MES120 No. 1, 2, 3 Off
MCS025 Off
General Characteristics
Frequency 50 Hz
Main/feeder G82, G87, G88, T81, T82, T87 applications: main
S80, S81, S82, S84, M81, M87, M88, B80, B83, C86
applications: feeder
Phase rotation direction a_b_c
Group of settings Group A
Remote protection setting enabled Off
Remote control with select before
operate (SBO)
Off
Integration period 5 min
Active-energy increment 0.1 kWh
Reactive-energy increment 0.1 kVARh
Temperature °C
Sepam™ working language English
Time synchronization mode None
Auxiliary voltage monitoring Off
Protection setting password 0000
Parameter setting password 0000
Cumulative breaking current alarm
threshold
65535 kA²
CT-VT Sensors
Single-line type 1
I - CT rating 5A
I - Number of CTs Ia, Ib, Ic
I – Rated current (In) 630 A
I - Base current (Ib) 630 A
Ir – Residual current None
I'r – Residual current None
I' - CT rating 5A
I' - Number of CTs Ia, Ib, Ic
I' – Rated current (I'n) 630A (except C86: I’n = 5A)
I' - Base current (I'b) 630A
V – Number of VTs Van, Vbn, Vcn
V - Rated primary voltage (Unp) 20 kV
V - Rated secondary voltage (Uns) 100 V
Vr 3V sum
Vnt None
V’ – Number of VTs V’an, V’bn, V’cn (B83)
V’ab (B80)
V’ - Rated primary voltage (V’
LL
p) 20 kV
V’ - Rated secondary voltage (V’
LL
s) 100 V
V’r 3V sum
Particular Characteristics
Transformer present T87, G88, M88: yes
Other applications: no
Rated voltage V
LL
N1 20 kV
Rated voltage V
LL
N2 20 kV
Rated power 30 MVA
Vector shift 0
Rated speed 3000 rpm
Zero speed threshold 5 %
Pulses per rotation 1
Number of capacitor steps 1
Type of connection Wye
Capacitor step ratio 1,1,1,1
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