ABB RER670 - Page 91

IEC15000430-2-en.vsdx
RLd
R
jX
P1
P2
P3
P4
P5
P6
P7
P8
Z1CircleStart
RLd
LineAng
ArgLd
(
)

(
)

IEC15000430 V2 EN-US
Figure 14: Proposed test points for phase-to-phase loop of circular
characteristic in solidly earthed system
Table 16: Test points for phase-to-phase loop of circular characteristic
Test point
R X Comment
P1 Z1CircleStart ∗
cos( LineAng )
Z1CircleStart ∗
sin( LineAng )
P2 0.8 ∗ Z1CircleStart ∗
cos( ArgLd )
0.8 ∗ Z1CircleStart ∗
sin( ArgLd )
P3 RLd 0
P4 - Z1CircleStart ∗
cos( LineAng )
- Z1CircleStart ∗
sin( LineAng )
P5 -0.8 ∗ Z1CircleStart ∗
cos( ArgLd )
-0.8 ∗ Z1CircleStart ∗
sin( ArgLd )
P6 -RLd 0
P7 Z1CircleStart ∗
cos( ArgLd )
- Z1CircleStart ∗
sin( ArgLd )
P8 - Z1CircleStart ∗
cos( ArgLd )
Z1CircleStart ∗
sin( ArgLd )
1MRK 506 377-UEN C Section 10
Testing functionality by secondary injection
Railway application RER670 2.2 IEC 85
Commissioning manual