ABB REL670 Installation And Commissioning Manual page 91
Line distance protection ied
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Also See for REL670:
- Product manual (150 pages) ,
- Operator's manual (120 pages) ,
- Commissioning manual (284 pages)
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Distance protection
11
X1
10
40% of RLdFw
80% of RLdFw
en05000368.vsd
Figure 26:
Distance protection (ZM) characteristic with test points for phase to phase mea-
surements
Table 15
is used in conjunction with
X
2
1
80%
3
50%
4
12
5
6
7
13
9
8
0.5 x RFPP
figure
26.
Verifying settings by secondary
(Ω /
R
phase)
Chapter 11
injection
83
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