Text
Explanation
Delay(n)
Operating time for Zone (n).
X(BACK)
Pick-up line reactance for the reverse zone:
X = 0 Zone disabled.
R(BACK)
Pick-up line resistance for the reverse zone.
RR(BACK)
Resistive reach for phase faults in the reverse zone.
RRE(BACK)
Resistive reach for ground faults in the reverse zone.
18000002--1-en.vsdx
R
7°
14°
X(n)
R(n)
RR(n)
RRE(n)
- X(n)/8
- RR(n)/2
- RRE(n)/2
27°
27°
X
IEC19000404 V1 EN-US
Figure 3:
Distance measurement settings
1MRK 505 406-UEN B
Section 5
Bay protection functions
Bay protection functions REB500
33
Technical manual
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