Testing the measuring zone
GUID-26F9D4F9-8210-4D84-B511-208754DB9E9C v1
1. Set OpZx to On, DirModeZx to Forward, LEModeZx to On and LCModeZx to
Off.
Assume that output LDCND is available before performing testing of
measuring zone for accuracy. Where, x indicates the measuring zone under
testing.
2. Set ArgNegRes and ArgDir settings.
3. Set XFWZx, LineAng, ArgLd, RFFwZx and RFRvZx settings accordingly. Also,
ensure that RLd value is lower than the RFFwZx set value.
The test points that are to be considered for measurement accuracy of set
reactance reach are shown in Figure
21 and Table 23.
R
jX
RFFwZxRFwRFRvZx
XFw
RFFwZxRFRvZx
RLd
80%
P1
P2
P3
P4
P5 P6
P7
P8
P9
ArgLd
ArgDir
ArgNegRes
()
(
)
IEC17000094-1-en.vsd
IEC17000094 V1 EN-US
Figure 21: Proposed test points to measure the boundary of a measuring
zone
Where:
XFw = XFwZx
RFw = XFwZx / tan(
LineAng
)
Section 10 1MRK 506 377-UEN C
Testing functionality by secondary injection
100 Railway application RER670 2.2 IEC
Commissioning manual
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