VAMP Ltd
Overcurrent and earth-fault relay
Technical Description
VAMP 130
VM130.EN003
Vamp 24h support phone : +358 (0)40 573 6316
41
5.3.3.
Second harmonic function
2. Harmonic stage / Inrush (68)
Settings:
- Setting range 2.Harmonic
10 – 100 %
- Operating time
0.05* – 300.00 s (step 0.01 s)
*)
This is the instantaneous time i.e. the minimum total operational time including the fault
detection time and operation time of the trip contacts.
5.4.
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
