![background image](http://html1.mh-extra.com/html/vamp/210/210_operation-and-configuration-instructions_3324090035.webp)
VAMP Ltd
Generator protection relay
Technical description
VAMP 210
VM210.EN004
Vamp 24h support phone: +358 (0)20 753 3264
1
Table of Content
1.
Introduction ............................................................................3
1.1.
Application ..........................................................................3
1.2.
Main features.......................................................................3
2.
Functions .................................................................................5
2.1.
Principles of the numerical protection technique.........5
2.2.
Protection relay functions..................................................7
2.2.1.
Overcurrent protection (50/51) ..............................7
2.2.2.
Voltage restrained and voltage controlled
overcurrent function (51V) ................................... 14
2.2.3.
Unbalance protection (46) .................................. 16
2.2.4.
Directional earth-fault protection (67N)............. 18
2.2.5.
Earth fault protection (50N/51N) ......................... 19
2.2.6.
Residual voltage protection (59N)...................... 21
2.2.7.
Overvoltage protection (59)................................ 22
2.2.8.
Undervoltage protection (27/60) ........................ 23
2.2.9.
Overload protection (49) ..................................... 24
2.2.10.
Underexcitation protection (40) .......................... 25
2.2.11.
Reverse power protection (32R).......................... 27
2.2.12.
Overfrequency protection (81H)......................... 28
2.2.13.
Underfrequency protection (81L)........................ 29
2.2.14.
Circuit-breaker failure protection (50BF)............ 30
2.2.15.
Arc fault protection (option) ArcI> (51 L>), ArcI
0
>
(51N L>), ArcI
02
> (51N L>)...................................... 31
2.3.
Measurement functions of the relay............................. 32
2.4.
Output relay and blocking functions............................ 33
2.4.1.
Output relay matrix................................................ 34
2.4.2.
Blocking matrix ....................................................... 34
2.5.
Communication ............................................................... 34
2.5.1.
PC port..................................................................... 34
2.5.2.
Remote control connection ................................ 34
2.6.
Disturbance recorder ...................................................... 35
2.7.
Self-supervision.................................................................. 36
3.
Applications..........................................................................37
3.1.
Directly connected generator....................................... 38
3.2.
Directly connected generator with unearthed
generator neutral ............................................................ 39
3.3.
Generator-transformer unit............................................. 40
3.4.
Trip circuit supervision ...................................................... 41
4.
Connections .........................................................................43
4.1.
Digital inputs...................................................................... 43
4.2.
Auxiliary voltage............................................................... 44
4.3.
Output relays .................................................................... 44
4.4.
Serial communication connection ............................... 44
4.5.
Arc Protection................................................................... 44
4.6.
Block diagram .................................................................. 45