Hitachi Relion 670 Series Commissioning Manual page 109
Line distance protection
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Also See for Relion 670 Series:
- Applications manual (438 pages) ,
- Commissioning manual (242 pages) ,
- Product manual (192 pages)
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1MRK506371-UUS Rev. M
Test point
11
12
13
Table 28:
Test point
1
2
3
4
5
6
7
8
9
10
11
12
13
11.4.5.1
Measuring the operating limit of set values
Procedure:
Line distance protection REL670
Commissioning manual
Reach
Set value
X
0.8 x X1
set
R
–0.37 x X1
set
X
0.5 x X1
set
R
0.5 x R1
set
X
0
R
0.5 x RFPP
Test points for phase-to-earth L3-G (Ohm/Loop)
Reach
Value
X
(2 x X1
+X0
set
set
R
0
X
(2 x X1
+ X0
set
R
2 x R1
+ R0
set
X
0.8 x (2 x X1
set
R
0.8 x (2 x R1
set
X
0.5 x (2 x X1
set
R
0.5 x (2 x R1
set
X
0.85 x RFPG
set
R
0.85 x RFPG
X
RLdFwdset x tan(LdAngleSet)
R
RLdFwd
set
X
0
R
RLdFwd
set
X
–02143 x RLdFwd
R
0.8 x RLdFwd
X
–0.8 x RLdFwd
R
0.8 x RLdFwd
X
0.17 x (2 x X1
R
-0.36 x (2 x X1
X
0.27 x (2 x X1
R
–0.57 x (2 x X1
X
0.5 x (2 x X1
set
R
0.5 x (2 x R1
set
X
0
R
RFPG
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Comments
Exact –0.5 x R1
Only used when OperationLdCmp setting is 0 (Disabled)
Comments
)/3
)/3
set
)/3
set
+ X0
)/3
set
+ R0
)/3 +RFPG
set
set
+ R0
)/3
set
+R0
)/3 + RFPG
set
set
x tan(LdAngleset)
LdAngle = angle for the maximal load transfer.
Exact: 0.8 x RFPG x tan (ArgDir)
set
set
x tan(ArgDir)
set
set
+ X0
)
Exact: 0.5 x (2 x X1
set
set
+ X0
)
Exact: 0.5 x (2X1
set
set
+X0
)
Exact: 0.8 x (2 x X1
set
set
+ X0
)
Exact: 0.8 x (2X1set + X0set)/(3 x tan(AngNegDir 90))
set
set
+ X0
)/3
set
+ R0
)/3
set
Testing functionality by secondary injection
x tan(ArgNegRes-90)
set
X0
)/3
set
set
+ X0
)/(3 x tan(AgNegDir90)
set
set
+ X0
)/3
set
set
GUID-02EE80DB-CE52-49F0-99C4-14FD84766009 v3
Section 11
103
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