Section 1MAC308145-MB E
2 RER620
Application Manual
OPUP Mode - Only Picked Up Phases ........................................ 58
OOAP Mode - One Or All Phases................................................ 58
APAT: (All Poles All the Time) ..................................................... 59
Autorecloser logic.............................................................................. 59
Input function blocks (SDAIGGIOs)................................................... 60
Auto Recloser Block (SDARREC) ..................................................... 62
Output Interface Block (SDAOGGIO)................................................ 62
Loop Control Module .............................................................................. 63
Sectionalizing Recloser ..................................................................... 63
Midpoint Recloser.............................................................................. 63
Tiepoint Recloser .............................................................................. 64
DLCM Function Block........................................................................ 64
Phase Selection ................................................................................ 64
Phase Status Determination.............................................................. 66
Resetting DLCM Function ................................................................. 67
Hot Line Tag Functionality...................................................................... 67
Section 4 Requirements for measurement transformers .................... 71
Current transformers .............................................................................. 71
Current transformer requirements for non-directional
overcurrent protection ....................................................................... 71
Current transformer accuracy class and accuracy limit factor ..... 71
Non-directional overcurrent protection ......................................... 72
Example for non-directional overcurrent protection ..................... 73
Section 5 Relay physical connections ................................................ 75
Inputs...................................................................................................... 75
Phase currents .................................................................................. 75
Ground current .................................................................................. 75
Phase voltages.................................................................................. 75
Auxiliary supply voltage input ............................................................ 75
Binary inputs...................................................................................... 76
Outputs ................................................................................................... 77
Outputs for tripping and controlling ................................................... 77
Outputs for signaling ......................................................................... 77
IRF..................................................................................................... 78
UPD................................................................................................... 79
Section 6 Glossary ............................................................................. 81
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