ABB REC650 - Page 9

Local HMI................................................................................................77
Display...............................................................................................77
LEDs..................................................................................................79
Keypad.............................................................................................. 80
Local HMI functionality...................................................................... 82
Protection and alarm indication.................................................... 82
Parameter management ..............................................................83
Front communication.................................................................... 83
Single-line diagram.......................................................................84
Section 6 Current protection................................................................87
Instantaneous phase overcurrent protection 3-phase output
PHPIOC (50)...........................................................................................87
Identification...................................................................................... 87
Application......................................................................................... 87
Setting guidelines.............................................................................. 88
Meshed network without parallel line............................................88
Meshed network with parallel line.................................................90
Four step phase overcurrent protection 3-phase output OC4PTOC
(51/67).................................................................................................... 92
Identification...................................................................................... 92
Application......................................................................................... 92
Setting guidelines.............................................................................. 93
Settings for steps 1 to 4 ...............................................................94
2nd harmonic restrain...................................................................96
Instantaneous residual overcurrent protection EFPIOC (50N)............. 102
Identification.................................................................................... 102
Application....................................................................................... 102
Setting guidelines............................................................................ 102
Four step residual overcurrent protection, zero, negative sequence
direction EF4PTOC (51N/67N)............................................................. 106
Identification.................................................................................... 106
Application....................................................................................... 106
Setting guidelines............................................................................ 108
Settings for steps 1 and 4 ..........................................................109
Common settings for all steps.................................................... 110
2nd harmonic restrain.................................................................112
Line application example1.......................................................... 112
Sensitive directional residual overcurrent and power protection
SDEPSDE (67N)...................................................................................118
Identification.................................................................................... 118
Table of contents
3
Application manual