Section 3 Available functions
The following tables list all the functions available in the IED. Those
functions that are not exposed to the user or do not need to be configured
are not described in this manual.
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 or
function name
ANSI Function description Transformer
RET670 (Customized)
Differential protection
T2WPDIF 87T Transformer differential protection, two winding 1-3
T3WPDIF 87T Transformer differential protection, three winding 1-3
HZPDIF 87 High impedance differential protection, single phase 0-6
REFPDIF 87N Restricted earth fault protection, low impedance 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
0-5
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
Table continues on next page
1MRK 504 165-UUS - Section 3
Available functions
Transformer protection RET670 2.2 ANSI 33
Commissioning manual
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