ABB RET670 - Page 10

Overview................................................................................55
Pulse counter logic PCGGIO..................................................55
Function for energy calculation and demand handling
ETPMMTR .............................................................................55
Setting group N.................................................................................56
Overview......................................................................................56
Differential protection...................................................................56
Overview................................................................................56
Transformer differential protection, two winding
T2WPDIF ...............................................................................56
Transformer differential protection, three winding
T3WPDIF ...............................................................................56
Restricted earth fault protection REFPDIF ............................56
High impedance differential protection HZPDIF ....................57
Impedance protection..................................................................57
Overview................................................................................57
Full-scheme distance protection, mho characteristic
ZMHPDIS ..............................................................................57
Distance protection zones, quadrilateral characteristics
ZMQPDIS, ZMQAPDIS..........................................................57
Distance protection zones, quadrilateral characteristics
for series compensated lines ZMCPDIS, ZMCAPDIS............58
Distance protection zone, quadrilateral characteristic,
separate settings ZMRPDIS, ZMRAPDIS..............................58
Fullscheme distance protection, quadrilateral for earth
faults ZMMPDIS, ZMMAPDIS ...............................................58
Faulty phase identification with load enchroachment
FMPSPDIS ............................................................................58
Phase selection, quadrilateral characteristic with fixed
angle FDPSPDIS....................................................................59
Phase selection, quadrilateral characteristic with
settable angle FRPSPDIS......................................................59
Phase preference logic PPLPHIZ ..........................................59
Directional impedance quadrilateral ZDRDIR .......................59
Directional impedance element for mho characteristics
ZDMRDIR ..............................................................................59
Directional impedance quadrilateral, including series
compensation ZDSRDIR .......................................................59
Additional distance protection directional function for
earth faults ZDARDIR ............................................................60
Mho impedance supervision logic ZSMGAPC.......................60
Pole slip protection PSPPPAM ..............................................60
Power swing detection ZMRPSB ..........................................60
Power swing logic ZMRPSL ..................................................60
Current protection........................................................................60
Table of contents
4
Operator's manual