ABB RER670 - Page 94

resultant resistive reach becomes RFPEStart * (1 +
REOverRLStart).
Phase-to-phase fault - quadrilateral characteristic
GUID-63CD9D94-999D-45F6-AF11-F90836F6B1E1 v1
Test points that are to be considered for measurement accuracy of set reactive reach
are shown in Figure
16 and Table 18.
IEC15000432-1-en.vsdx
R
jX
RLdRLd
RFPPStart
RFPPStart
X1Start
P2
P1
P3
P4
P8
P9
P10
P11
P13
P14
P15
P16
P7
P5
P6
ArgLd
(
)

(
)

P12
IEC15000432 V1 EN-US
Figure 16: Proposed test points for phase-to-phase loop of quadrilateral
characteristic in solidly earthed system
Table 18: Test points for phase-to-phase loop of quadrilateral characteristic
Test point
R X Comment
P1 0 X1Start
P2 ( X1Start /
tan( LineAng ))
X1Start
P3 RFPPStart 0.8 ∗ X1Start
P4 0.8 ∗ RFPPStart 0.8 ∗ RFPPStart ∗
tan( ArgLd )
P5 RLd 0
P6 RFPPStart 0 If OpLoadEnch = Off
Table continues on next page
Section 10 1MRK 506 377-UEN C
Testing functionality by secondary injection
88 Railway application RER670 2.2 IEC
Commissioning manual