VAMP Ltd
Feeder and motor manager
Technical description
VAMP 257
VM257.EN002
VAMP 24h support phone : +358 (0)20 753 3264
3
4.11.
Block diagrams of option modules ........................... 128
4.11.1.
Optional arc protection ..................................... 128
4.11.2.
Optional DI19/DI20 .............................................. 128
4.12.
Connection examples................................................. 129
4.12.1.
Feeder manager VAMP 257 .............................. 129
4.12.2.
Feeder manager VAMP 257 in a double busbar
application ........................................................... 132
4.12.3.
Feeder manager VAMP 257 as a motor
protection manager ........................................... 133
5.
Technical data ...................................................................134
5.1.
Connections.................................................................. 134
5.1.1.
Measuring circuitry .............................................. 134
5.1.2.
Auxiliary voltage .................................................. 134
5.1.3.
Digital inputs ......................................................... 135
5.1.4.
Trip contacts ......................................................... 135
5.1.5.
Alarm contacts .................................................... 135
5.1.6.
Local serial communication port ...................... 135
5.1.7.
Remote control connection .............................. 136
5.1.8.
Arc protection interface (option) ..................... 136
5.2.
Tests and environmental conditions.......................... 136
5.2.1.
Disturbance tests ................................................. 136
5.2.2.
Test voltages......................................................... 137
5.2.3.
Mechanical tests ................................................. 137
5.2.4.
Environmental conditions................................... 137
5.2.5.
Casing.................................................................... 137
5.2.6.
Package................................................................ 137
5.3.
Protection stages ......................................................... 138
5.3.1.
Non-directional current protection................... 138
5.3.2.
Directional current protection........................... 141
5.3.3.
Frequent start protection.................................... 142
5.3.4.
Auto-reclose function ......................................... 142
5.3.5.
Voltage protection.............................................. 143
5.3.6.
Frequency protection ......................................... 144
5.3.7.
Second harmonic function ................................ 144
5.3.8.
Rate of change of frequency df/dt protection
(81R)....................................................................... 144
5.3.9.
Synchrocheck function....................................... 145
5.3.10.
Circuit-breaker failure protection ..................... 145
5.3.11.
Arc fault protection stages (option)................. 145
5.3.12.
Disturbance recorder (DR) ................................. 146
6.
Construction .......................................................................147
6.1.
Dimensional drawing................................................... 147
6.2.
Panel mounting ............................................................ 148
6.3.
Semi-flush mounting..................................................... 148
7.
Order information...............................................................149
7.1.
Ordering codes of VAMP feeder managers ........... 150