VAMP 210
Generator protection relay
Operation and configuration
VAMP Ltd
32
Vamp 24h support phone: +358 (0)20 753 3264
VM210.EN004
•
Directional earth-fault protection (I
0
ϕ
>, t> or I
0
ϕ
>, t>;
U
0
>,ChCtrl, Char)
•
Thermal overload protection (k, tau (
τ
), T>ALARM (
Θ
))
The above functions are enabled via the Prot/ENABLED
STAGES_ -menu by selecting "On" in the Enable display, see
chapter 5.5 on page 25. The functions not to be included are
disabled by selecting the "Off" value.
1 Start data
Given within parenthesis are the configuration menus where
the settings are done.
Rated values of the generator and the prime mover:
Generator rated power
(Conf/power scaling)
S
gn
6000
kVA
Generator rated voltage
(Conf/power scaling)
U
gn
6300
V
Prime mover rated power
(Conf/power scaling)
P
m
4800
kVA
Unit transformer included or not:
Unit transformer
(Conf/power scaling)
Trafo No
Machine parameters of the unbalanced load protection:
Maximum permitted continuous unbalanced
current in % of the generator rated current I
gn
(
I2>/SET I2>)
I
2
8
%
Delay function (I
2
>/SET I
2
>) Type
INV
Machine parameters of the thermal overload protection:
Maximum allowed continuous load current in %
of the generator rated current I
gn
(T/SET T>) (k
setting for stage T>)
k (T>)
1,06
Generator heating time constant
(T/set tau)
tau (
τ
)
40 min
Generator thermal alarm level
(T/set ALARM>)
T> (
Θ
)
90 %