VAMP 150 User Manual

VAMP Ltd
Motor protection relay
Technical Description
VAMP 150
VM150.EN005 Vamp 24h support phone : +358 (0)20 753 3264
45
5.3.3. Frequent start protection
Frequent start protection stage N> (66)
Setting range: 1 – 20
Interval: 0.0 – 100.0 min (step 0.1 min = 6 s)
Accuracy
- time ±0.1% or ±500 ms
5.3.4. Arc protection (option)
The operation of the arc protection depends on the setting value of the ArcI>
current limit. The current limit cannot be set, unless the relay is provided
with the optional arc protection card.
Arc protection stage ArcI> (51L>)
Current setting range 0.5 – 10.0 pu (step 0.1 pu)
Operating time
Arc sensor channel selection
~ 15 ms
S1, S2, BI, S1/S2, S1/BI, S2/BI, S1/S2/BI
The operation of the earth-fault arc protection depends on the setting value
of the ArcIo> earth-fault limit. The earth-fault limit cannot be set, unless
the relay is provided with the optional arc protection card.
Arc protection stage Arc I
0
> (51NL>)
Current setting range 0.05 – 10.0 pu (step 0.1 pu)
Operating time
Arc sensor channel selection
~ 15 ms
S1, S2, BI, S1/S2, S1/BI, S2/BI, S1/S2/BI
5.4. Disturbance Recorder (DR)
The operation of Disturbance recorder depends on the following settings.
The recording time and number of records depend on the time setting and
number of selected channels.
Disturbance recorder (DR)
Mode of recording: Saturated / Overflow
Sample rate:
- waveform recording
- trend curve recording
16/cycle, 8/cycle
10, 20, 200 ms
1, 5, 10, 15, 30 s
1 min
Recording time (one record) 0.1 s – 12 000 min
(must be shorter than MAX time)
Pre trigger rate 0 – 100%
Number of selected channels 0 – 12

VAMP 150 Specifications

General

Brand	VAMP
Model	150
Category	Relays
Language	English