VAMP 210
Generator protection relay
Operation and configuration
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34
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VM210.EN004
Underexcitation stage Q<:
SET Q
Q@P0% Q@P80%
t<
-30% -30% 2.00
s
Underfrequency stage f< (81):
SET f<
f< t<
Ublock
49.0 Hz
2.00 s
35%
Overfrequency stage f> (81):
SET f>
f> t>
56 Hz
3 s
Directional earth-fault stage I0
ϕ
>:
SET IoDir>
I0
ϕ
>
t>
0.10pu 2
s
SET2 IoDir>
chCtrl Char U
0
>
Cos Cos 10%
Thermal protection T>:
SET T>
k (T>)
tau (
τ
)
T>ALARM
(
Θ
)
1,06 40
min 90%
Default settings of the event masks of the protection:
_ event mask
S_On S_Off T_on T_Off
Enabl Disabl Enabl Disabl
3 Blocking matrix
The required blockings are made in the Prot menu, see chapter
5.5 on page 25.
Typical blockings:
The U< and I> functions block the f< function, a DI signal
from the MCB of the potential transformers blocks the U<
and f< functions.
4 Configuration of output relays
The required groupings of the output relays and output signals
are configured in the DO menu, see chapter 5.4 on page 25.