VAMP 210
Generator protection relay
Technical description
VAMP Ltd
54
Vamp 24h support phone: +358 (0)20 753 3264
VM210.EN004
Inaccuracy:
- Starting
±3% of set value or ±0.5% of rated value
- Operating time
±1% or ±150 ms
*) This is the instantaneous time i.e. the minimum total operational time including the fault
detection time and operation time of the trip contacts.
Reverse power stages P< and P<< (32)
Setting range:
-0.5 – -20-0% x P
m
, for P<
-1 – 20% x P
m
, for P<<
Definite time function:
- Operating time
0.3 – 300.0 s (step 0.1 s)
Start time
<300 ms
Reset time
<300 ms
Reset ratio
1.05
Inaccuracy:
- Starting
±3% of set value or ±0.5% of rated value
- Operating time
±1% or ±150 ms
5.3.5.
Frequency protection stages
Overfrequency stages f> and f>> (81H)
Setting range
46 – 70 Hz
Definite time function:
- Operating time
0.10 – 300.00 s (step 0.02 s)*
Undervoltage interlocking
2 - 100% x U
gn
(Common for both stages)
Start time
<80 ms
Reset time
<60 ms
Reset ratio
0.998
Inaccuracy:
- Starting
±20 mHz
- Operating time
±1% or ±30 ms
*) This is the instantaneous time i.e. the minimum total operational time including the fault
detection time and operation time of the trip contacts.
Underfrequency stages f> and f>> (81L)
Setting range
40 – 64 Hz
Definite time function:
- Operating time
0.10 – 300.00 s (step 0.02 s)*
Undervoltage interlocking
2 - 100% x U
gn
(Common for both stages)
Start time
<80 ms
Reset time
<60 ms
Reset ratio
1.002
Inaccuracy:
- Starting
±20 mHz
- Operating time
±1% or ±30 ms
*) This is the instantaneous time i.e. the minimum total operational time including the fault
detection time and operation time of the trip contacts.
5.3.6.
Circuit breaker failure protection stage
Circuit breaker failure protection CBFP (50BF)
Relay to be supervised
T1 or T2
Definite time function:
- Operating time
0.1 – 10.0 s (step 0.1 s)*
Inaccuracy:
