ABB REC670 Applications Manual page 9

Bay control REC670 2.2 IEC
Application manual
PMU Report Function Blocks Connection Rules in
PCM600 Application Configuration Tool (ACT)....................112
Setting guidelines...................................................................... 118
Section 7 Differential protection................................................... 123
High impedance differential protection, single phase HZPDIF ...... 123
Identification.............................................................................. 123
Application................................................................................. 123
The basics of the high impedance principle......................... 125
Connection examples for high impedance differential
protection...................................................................................131
Connections for three-phase high impedance differential
protection..............................................................................131
Connections for 1Ph High impedance differential
protection HZPDIF................................................................132
Setting guidelines...................................................................... 133
Configuration........................................................................ 133
Settings of protection function.............................................. 133
T-feeder protection............................................................... 134
Tertiary reactor protection.................................................... 137
Alarm level operation............................................................140
Section 8 Current protection.........................................................141
Instantaneous phase overcurrent protection PHPIOC .................. 141
Identification.............................................................................. 141
Application................................................................................. 141
Setting guidelines...................................................................... 142
Meshed network without parallel line................................... 142
Meshed network with parallel line........................................ 144
Directional phase overcurrent protection, four steps OC4PTOC....146
Identification.............................................................................. 146
Application................................................................................. 146
Setting guidelines...................................................................... 147
Settings for each step...........................................................149
Setting example....................................................................152
Instantaneous residual overcurrent protection EFPIOC ................ 157
Identification.............................................................................. 157
Application................................................................................. 157
Setting guidelines...................................................................... 157
Directional residual overcurrent protection, four steps EF4PTOC .160
Identification.............................................................................. 160
Application................................................................................. 160
Setting guidelines...................................................................... 162
Common settings for all steps.............................................. 163
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