VAMP 130 - Circuit-Breaker Failure Protection Via the Output Relay T2

VAMP Ltd Overcurrent and earth-fault relay
Technical Description
VAMP 130
VM130.EN003 Vamp 24h support phone : +358 (0)40 573 6316
27
3.4. Circuit-breaker failure protection via
the output relay T2
2
19
12
1
20
11
3
17
4
16
5
14
6
13
9
7
12
8
8
11
7
9
10
10
X1
X1
X2
IL3
1A
5A
I 0
VAMP 130
T1
T2
A1
A2
A3
IF
Protection function
3I>>>
L>
3I >
3I >>
~
IL1
1A/5 A
IL2
1A/5 A
1A/5 A
CBFP
DR
Measurement
functions
Phase currents,
residual current,
ILmax
Disturbance
Recorder
kuvax4
2
19
12
1
20
11
3
17
4
16
5
14
6
13
9
7
12
8
8
11
7
9
10
10
X1
X1
X2
IL3
1A
5A
I 0
VAMP 130
T1
T2
A1
A2
A3
IF
Protection function
3I>>>
L>
3I >
3I >>
~
IL1
1A/5 A
IL2
1A/5 A
1A/5 A
CBFP
DR
Measurement
functions
Phase currents,
residual current,
ILmax
Disturbance
Recorder
Figure 3.4-1 When the circuit-breaker failure protection is used it is
configured to control the output relay T2, which usually controls the
following upstreams circuit breaker.