Instruction manual –AQ F210 Feeder Protection IED
3 (292
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TABLE OF CONTENTS
1
Navigation in main configuration menus ...................................................... 10
FUNCTIONS OF AQ-F210 FEEDER PROTECTION IED ................................................ 38
Current measurement and scaling .............................................................. 39
Frequency tracking and sampling ............................................................... 51
General properties of a protection function ................................................. 54
Non-directional over current I> (50/51) ........................................................ 67
Non-directional earth fault I0> (50N/51N) .................................................... 74
Harmonic over current IH> (50H/51H/68H) ................................................. 88
Circuit breaker failure protection (CBFP) (50BF) ......................................... 96
Restricted earth fault / cable end differential (REF) I0D> (87N) ................. 109
Thermal overload protection for feeders T
> (49F) .................................... 117
Arc protection IArc>/I0Arc> (50Arc/50NArc) .............................................. 136
Object control and monitoring (OBJ) ......................................................... 151
1 (79) ......................................................................... 161
Current transformer supervision (CTS) ..................................................... 201
Circuit breaker wear -monitor (CBW) ........................................................ 222
Total harmonic distortion monitor (THD) ................................................... 228