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VAMP 257
Feeder and motor manager
Technical description
VAMP Ltd
2
VAMP 24h support phone : +358 (0)20 753 3264
VM257.EN002
2.4.4.
Voltage interruptions............................................. 84
2.4.5.
Voltage sags and swells ....................................... 86
2.4.6.
Current transformer supervision........................... 88
2.4.7.
Voltage transformer supervision.......................... 88
2.4.8.
Circuit breaker condition monitoring ................. 89
2.4.9.
Energy pulses.......................................................... 91
2.5.
Control functions ............................................................ 94
2.5.1.
Controllable objects.............................................. 94
2.5.2.
Local/Remote selection ....................................... 98
2.5.3.
Logic functions ....................................................... 98
2.6.
Blocking and output relay functions ........................... 98
2.6.1.
Blocking matrix ....................................................... 99
2.6.2.
Output matrix ......................................................... 99
2.6.3.
Virtual inputs and outputs .................................... 99
2.7.
Disturbance recorder .................................................. 100
2.8.
Self-supervision.............................................................. 102
2.9.
Clock synchronisation ................................................. 102
2.10.
Timers.............................................................................. 103
2.11.
Non-volatile memory ................................................... 104
3.
Applications........................................................................105
3.1.
Substation feeder protection ..................................... 105
3.2.
Industrial feeder protection........................................ 106
3.3.
Parallel line protection ................................................ 106
3.4.
Ring network protection ............................................. 108
3.5.
Trip circuit supervision .................................................. 108
3.5.1.
Internal parallel digital inputs............................. 108
3.5.2.
Trip circuit supervision with one digital input ... 109
3.5.3.
Trip circuit supervision with two digital inputs.. 111
4.
Connections .......................................................................112
4.1.
Rear panel view ........................................................... 112
4.1.1.
Feeder manager VAMP 257 .............................. 112
4.2.
Analogue measurements ........................................... 116
4.3.
Digital inputs.................................................................. 116
4.4.
Auxiliary voltage........................................................... 117
4.5.
Output relays ................................................................ 117
4.6.
Serial communication connection............................ 118
4.6.1.
Pin assignments of communication options.... 120
4.6.2.
Pin assignment of the front communication port
................................................................................ 122
4.6.3.
Protocols................................................................ 122
4.7.
Arc protection (option)............................................... 125
4.8.
DI19/DI20 (option) ........................................................ 126
4.9.
External option modules ............................................. 126
4.9.1.
External LED module VAM 16D.......................... 126
4.9.2.
External input / output module ......................... 126
4.10.
Block diagrams ............................................................. 127
4.10.1.
Feeder manager VAMP 257 .............................. 127