ABB REL670 - Page 10

Metering.............................................................................................51
Overview.......................................................................................
51
Pulse counter logic PCGGIO........................................................52
Function for energy calculation and demand handling
ETPMMTR ...................................................................................52
Setting group N.......................................................................................52
Overview............................................................................................52
Differential protection.........................................................................52
Overview.......................................................................................52
High impedance differential protection HZPDIF (87X).................52
Impedance protection........................................................................53
Overview.......................................................................................53
Full-scheme distance protection, mho characteristic
ZMHPDIS (21)..............................................................................53
Distance protection zones, quadrilateral characteristics
ZMQPDIS, ZMQAPDIS (21).........................................................53
Distance protection zones, quadrilateral characteristics for
series compensated lines ZMCPDIS, ZMCAPDIS (21)................53
Fullscheme distance protection, quadrilateral for earth faults
ZMMPDIS, ZMMAPDIS (21).........................................................54
Faulty phase identification with load enchroachment
FMPSPDIS (21)............................................................................54
Phase selection, quadrilateral characteristic with fixed angle
FDPSPDIS (21)............................................................................54
Phase preference logic PPLPHIZ ................................................54
Directional impedance quadrilateral ZDRDIR (21D).....................54
Directional impedance element for mho characteristics
ZDMRDIR (21D)...........................................................................55
Directional impedance quadrilateral, including series
compensation ZDSRDIR (21D)....................................................55
Additional distance protection directional function for ground
faults ZDARDIR ...........................................................................55
Mho impedance supervision logic ZSMGAPC..............................55
Automatic switch onto fault logic, voltage and current based
ZCVPSOF.....................................................................................55
Pole slip protection PSPPPAM (78).............................................55
Power swing detection ZMRPSB (78)..........................................56
Power swing logic ZMRPSL ........................................................56
Current protection..............................................................................56
Overview.......................................................................................56
Breaker failure protection CCRBRF (50BF).................................56
Table of contents
4
Operator's manual