Section 3 Available functions
3.1 Main protection functions
Table 2: Example of quantities
2 = number of basic instances
0-3 = option quantities
3-A03 = optional function included in packages A03 (refer to ordering details)
IEC 61850 ANSI Function description Line Distance
REL670 (Customized)
REL670 (A21)
REL670 (A31)
REL670 (B31)
REL670 (A32)
REL670 (B32)
Differential protection
HZPDIF 87 1Ph high impedance
differential protection
0-3 3-A02 3-A02 3-A02 3-A02
LDRGFC 11RE
L
Additional security logic
for differential
protection
0-1
Impedance protection
ZMQPDIS,
ZMQAPDIS
21 Distance protection
zone, quadrilateral
characteristic
1-5
5
ZDRDIR 21D Directional impedance
quadrilateral
1-2 1
ZMCAPDIS 21 Additional distance
measuring zone,
quadrilateral
characteristic
1
ZMCPDIS,
ZMCAPDIS
21 Distance measuring
zone, quadrilateral
characteristic for series
compensated lines
1-5
ZDSRDIR 21D Directional impedance
quadrilateral, including
series compensation
1-2
FDPSPDIS 21 Phase selection,
quadrilateral
characteristic with fixed
angle
2
2
ZMHPDIS 21 Fullscheme distance
protection, mho
characteristic
1-5
Table continues on next page
1MRK 506 355-UEN A Section 3
Available functions
Line distance protection REL670 2.1 IEC 29
Commissioning manual