Hitachi Relion 670 Series Commissioning Manual page 124

Section 11
Testing functionality by secondary injection
IEC18000101 V1 EN-US
Figure 37:
Where,
ΔFw =
ΔRv =
RLdInFw =
RLdInRv =
X1OutFw =
X1OutRv =
Table 35:
Test point
P1
P2
P3
P4
P5
Table continues on next page
118
X1OutFw
P14
P28
D
ArgLd
Rv
P27
P13
P12 P26
D
Rv
P10
P24
P23
P9
D
Rv
Proposed test points to measure the outer and inner boundaries of operating
characteristics
RLdOutFw – (kLdRFw *RLdOutFw)
RLdOutRv – (kLdRRv *RLdOutRv)
kLdRFw * RLdOutFw
kLdRFw * RLdOutFw
X1InFw + ΔFw
X1InRv + ΔRv
Testing points to measure the outer boundary
R
0.0
0.8 * R1LIn + R1FInFw +
∆Fw
0.8 * (R1FInFw + ∆Fw)
RLdOutFw
R1FInFw + ∆Fw
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jX
X1InFw
P1
P15
R1FInRv R1FInFw
D
Rv
P17
D
Fw
D
P11 P25 P18 P4
P20
RLdInRv RLdInFw
RLdOutFw
RLdOutRv
P22
P8
D
Rv
X
X1OutFw
0.8 * X1OutFw
0.8 * (R1FInFw + ∆Fw) *
tan (ArgLd)
0.0
0.0
1MRK506371-UUS Rev. M
R1LIn
D
Fw
P2
P16
D
Fw
ArgLd
P3
Fw
P19 P5
R
D
P6
Fw
D
Fw
P21
P7
X1InRv
X1OutRv
IEC18000101-1-en.vsdx
Comment
If OperationLdCh = Off
Line distance protection REL670
Commissioning manual