ABB REL670 2.2 IEC - Page 24

Application.................................................................................718
Setting guidelines...................................................................... 719
Local acceleration logic ZCLCPSCH..............................................720
Identification.............................................................................. 720
Application.................................................................................720
Setting guidelines...................................................................... 721
Scheme communication logic for residual overcurrent
protection ECPSCH .......................................................................722
Identification.............................................................................. 722
Application.................................................................................722
Setting guidelines...................................................................... 723
Current reversal and weak-end infeed logic for residual
overcurrent protection ECRWPSCH...............................................723
Identification.............................................................................. 723
Application.................................................................................724
Fault current reversal logic................................................... 724
Weak-end infeed logic..........................................................725
Setting guidelines...................................................................... 725
Current reversal....................................................................725
Weak-end infeed.................................................................. 726
Direct transfer trip logic...................................................................727
Application.................................................................................727
Setting guidelines...................................................................... 728
Low active power and power factor protection LAPPGAPC......728
Identification......................................................................... 729
Application............................................................................729
Setting guidelines................................................................. 729
Compensated over and undervoltage protection COUVGAPC. 730
Identification......................................................................... 730
Application............................................................................730
Setting guidelines................................................................. 732
Sudden change in current variation SCCVPTOC......................733
Identification......................................................................... 733
Application............................................................................733
Setting guidelines................................................................. 734
Carrier receive logic LCCRPTRC.............................................. 734
Identification......................................................................... 734
Application............................................................................734
Setting guidelines................................................................. 735
Negative sequence overvoltage protection LCNSPTOV........... 735
Identification......................................................................... 735
Application............................................................................735
Setting guidelines................................................................. 735
Zero sequence overvoltage protection LCZSPTOV.................. 736
Table of contents
18 Line distance protection REL670 2.2 IEC
Application manual