ABB RER670 Applications Manual page 8
Relion 670 series, railway application
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Also See for RER670:
- Commissioning manual (216 pages) ,
- Installation manual (112 pages) ,
- Communication protocol manual (48 pages)
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2
inputs for most commonly used CT connections....................48
CT set to the IED....................................................................50
Example how to connect single-phase CT to the IED............ 53
Setting of voltage channels......................................................... 55
Example................................................................................. 55
for most commonly used VT connections.............................. 55
connected VT to the IED........................................................ 56
Configuration example 1 ....................................................... 60
Configuration example 2........................................................ 61
Configuration example 3........................................................ 62
Section 5 Local HMI....................................................................... 65
Display..............................................................................................66
LEDs.................................................................................................68
Keypad............................................................................................. 69
Local HMI functionality..................................................................... 71
Protection and alarm indication................................................... 71
Parameter management .............................................................72
Front communication................................................................... 73
Section 6 Differential protection..................................................... 75
Low impedance restricted earth fault protection REFPDIF ............. 75
Identification................................................................................ 75
Application................................................................................... 75
Transformer winding, solidly earthed..................................... 76
CT earthing direction.............................................................. 77
Railway specific applications for REFPDIF function...............77
Setting guidelines........................................................................ 77
Setting and configuration........................................................77
Settings.................................................................................. 78
T1PPDIF...........................................................................................78
Identification................................................................................ 78
Application................................................................................... 78
Setting guidelines........................................................................ 79
Restrained and unrestrained differential protection................79
Elimination of zero sequence currents................................... 82
Railway application RER670 2.2 IEC
Application manual
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