ABB RER670 - Page 96

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