IEC 61850 or
function name
ANSI Function description Line Distance
REL670 (Customized)
Differential protection
HZPDIF 87 High impedance differential protection, single phase 0-3
LDRGFC 11RE
L
Additional security logic for differential protection 0-1
Impedance protection
ZMQPDIS,
ZMQAPDIS
21 Distance protection zone, quadrilateral characteristic 0-5
ZDRDIR 21D Directional impedance quadrilateral 0-2
ZMCPDIS,
ZMCAPDIS
21 Distance measuring zone, quadrilateral characteristic for series
compensated lines
0-6
ZDSRDIR 21D Directional impedance quadrilateral, including series
compensation
0-2
FDPSPDIS 21 Phase selection, quadrilateral characteristic with fixed angle 0-2
ZMHPDIS 21 Full-scheme distance protection, mho characteristic 0-5
ZMMPDIS,
ZMMAPDIS
21 Full-scheme distance protection, quadrilateral for ground faults 0-5
ZDMRDIR 21D Directional impedance element for mho characteristic 0-2
ZDARDIR Additional distance protection directional function for ground faults 0-2
ZSMGAPC Mho impedance supervision logic 0-1
FMPSPDIS 21 Faulty phase identification with load enchroachment 0-2
ZMRPDIS,
ZMRAPDIS
21 Distance measuring zone, quad characteristic separate Ph-Ph and
Ph-E settings
0-5
FRPSPDIS 21 Phase selection, quadrilateral characteristic with settable angle 0-2
ZMFPDIS 21 High speed distance protection, quad and mho characteristic 0-2
ZMFCPDIS 21 High speed distance protection for series comp. lines, quad and
mho characteristic
0-2
PPLPHIZ Phase preference logic 0-1
PPL2PHIZ Phase preference logic 0-1
ZMRPSB 68 Power swing detection 0-1
PSLPSCH Power swing logic 0-1
PSPPPAM 78 Poleslip/out-of-step protection 0-2
OOSPPAM 78 Out-of-step protection 0-1
ZCVPSOF Automatic switch onto fault logic, voltage and current based 1
1MRK 506 369-UUS - Section 2
Application
Line distance protection REL670 2.2 ANSI 47
Application manual