ABB Relion 670 Series REL670 Commissioning Manual page 115

Line distance protection 2.1 iec
Table of Contents

Advertisement

1MRK 506 355-UEN A
Line distance protection REL670 2.1 IEC
Commissioning manual
Testing functionality by secondary injection
Test point
Reach
Set value
3
X
0.8 x X1
R
0.8 x R1
4
X
0.5 x X1
R
0.5 x R1
5
X
0.85 x RFPP x tan (ArgLd)
R
0.85 x RFPP
6
X
RLdFw x tan (ArgLd)
R
RLdFw
7
X
0
R
RLdFw
8
X
–0.2143 x RFPP/2
R
0.8 x RFPP/2
9
X
–0.4 x RLdFw x tan(ArgDir=20°)
R
0.4 x RLdFw
10
X
0.5 x X1
R
–0.23 x X1
11
X
0.8 x X1
R
–0.37 x X1
12
X
0.5 x X1
R
0.5 x R1
13
X
0
R
0.5 x RFPP
Table
27
is used in conjunction with figure 24.
Comments
set
+ RFPP/2
set
set
+ RFPP/2
set
ArgLd = angle for the maximal load
transfer
Exact: 0.8 x RFPP/2 (ArgDir=20°)
Exact –0.5 x R1
set
tan(ArgNegRes=30°)
set
Exact –0.5 x R1
set
tan(ArgNegRes=30°)
set
set
set
Section 10
x
set
x
set
109

Advertisement

Table of Contents
loading

Table of Contents