IEC15000433-2-en.vsd
RLd
jX
P1
P2
P3
P4
P5
P6
P7
P8
ArgLd
( )
LineAng
R ( )
IEC15000433 V2 EN-US
Figure 17:
Proposed test points for phase-to-earth loop of circular
characteristic in compensated/high impedance earthed systems
Table 19:
Test points for phase-to-earth loop of circular characteristic for compensated/high
impedance earthed systems
Test point
R
X
Comment
P1
Z1CircleStart /2 ∗
cos(
LineAng)
Z1CircleStart /2 ∗
sin(
LineAng)
P2
0.8 ∗
Z1CircleStart /2 ∗
cos(
ArgLd)
0.8 ∗
Z1CircleStart /2 ∗
sin(
ArgLd)
If 2I0 <
I0MinOp
P3
RLd /2
0
If 2I0 <
I0MinOp
P4
-
Z1CircleStart /2 ∗
cos(
LineAng)
-
Z1CircleStart /2 ∗
sin(
LineAng)
P5
-0.8 ∗
Z1CircleStart /2
∗ cos(
ArgLd)
-0.8 ∗
Z1CircleStart /2
∗ sin(
ArgLd)
If 2I0 <
I0MinOp
P6
-
RLd /2
0
If 2I0 <
I0MinOp
P7
Z1CircleStart /2 ∗
cos(
ArgLd)
-
Z1CircleStart /2 ∗
sin(
ArgLd)
P8
-
Z1CircleStart /2 ∗
cos(
ArgLd)
Z1CircleStart /2 ∗
sin(
ArgLd)
Section 10
1MRK 506 377-UEN C
Testing functionality by secondary injection
90
Railway application RER670 2.2 IEC
Commissioning manual
Summary of Contents for RELION RER670
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