ABB RET670 - Page 10

Connection examples for high impedance differential
protection....................................................................................141
Setting guidelines.......................................................................144
Setting parameters.....................................................................159
Impedance protection ..........................................................................159
Distance measuring zones, quadrilateral characteristic
ZMQPDIS (21), ZMQAPDIS (21), ZDRDIR (21D)...........................159
Identification...............................................................................159
Application..................................................................................159
Setting guidelines.......................................................................177
Setting parameters.....................................................................187
Distance measuring zone, quadrilateral characteristic for series
compensated lines ZMCPDIS (21), ZMCAPDIS (21), ZDSRDIR
(21D)................................................................................................189
Application..................................................................................189
Setting guidelines.......................................................................235
Setting parameters.....................................................................248
Phase selection, quadrilateral characteristic with fixed angle
FDPSPDIS (21)...............................................................................251
Identification...............................................................................251
Application..................................................................................252
Setting guidelines.......................................................................252
Setting parameters.....................................................................259
Full-scheme distance measuring, Mho characteristic ZMHPDIS
(21)..................................................................................................260
Application..................................................................................260
Setting guidelines.......................................................................274
Setting parameters.....................................................................281
Full-scheme distance protection, quadrilateral for earth faults
ZMMPDIS (21), ZMMAPDIS (21)....................................................283
Application..................................................................................283
Setting guidelines.......................................................................298
Setting parameters.....................................................................305
Additional distance protection directional function for earth
faults ZDARDIR...............................................................................306
Application..................................................................................306
Setting guidelines.......................................................................306
Setting parameters.....................................................................309
Mho impedance supervision logic ZSMGAPC.................................309
Application..................................................................................309
Setting guidelines.......................................................................310
Table of contents
4
Application manual