ABB RER670 - Section 3 Available Functions; Main Protection Functions

Section 3 Available functions
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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
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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 Railway
RER670
Differential protection
REFPDIF 87N Restricted earth fault protection, low impedance 2-A50
1-B60
1-B70
T1PPDIF 87T Transformer differential protection, two windings 2-A50
Impedance protection
ZCVPSOF Automatic switch onto fault logic, voltage and current based 1-B60
1-B70
ZGTPDIS 21T Underimpedance protection for generators and transformers 2-A50
1-B60
1-B70
ZRWPDIS 21 Distance protection, quadrilateral characteristic 1-B60
ZRCPDIS 21 Catenary distance protection, quadrilateral characteristic 2-B70
1MRK 506 377-UEN C Section 3
Available functions
Railway application RER670 2.2 IEC 21
Commissioning manual