Hitachi RET670 Commissioning Manual page 134

Section 11
Testing functionality by secondary injection
Table 34:
Test point
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
P14
Table 35:
Test point
P15
P16
P17
P18
P19
P20
P21
P22
P23
P24
P25
P26
P27
P28
128
Testing points to measure the outer boundary
R
0.0
0.8 * R1LIn + R1FInFw +
∆Fw
0.8 * (R1FInFw + ∆Fw)
RLdOutFw
R1FInFw + ∆Fw
0.8 * (R1FInFw + ∆Fw)
R1FInFw + ∆Fw
0.0
-(0.8 * R1LIn + R1FInRv
+ ∆Rv)
-0.8 * (R1FInRv + ∆Rv)
-RLdOutRv
-R1FInRv + ∆Rv
-0.8 * (R1FInRv + ∆Rv)
-(R1FInRv + ∆Rv)
Testing points to measure the inner boundary
R
0.0
0.8 * R1LIn + R1FInFw
0.8 * R1FInFw
RLdInFw
R1FInFw
0.8 * R1FInFw
R1FInFw
0.0
-0.8 * R1LIn + R1FInRv
-0.8 * R1FInRv
-RLdInRv
-R1FInRv
-0.8 * R1FInRv
-R1FInRv
© 2017 - 2022 Hitachi Energy. All rights reserved
X Comment
X1OutFw
0.8 * X1OutFw
0.8 * (R1FInFw + ∆Fw) *
tan (ArgLd)
0.0
0.0
-0.8 * (R1FInFw + ∆Fw) *
tan (ArgLd)
-0.8 * X1OutRv
-X1OutRv
-0.8 * X1OutRv
-0.8 * (R1FInRv + ∆Rv) *
tan (ArgLd)
0.0
0.0
0.8 * (R1FInRv + ∆Rv) *
tan (ArgLd)
0.8 * X1OutFw
X Comment
X1InFw
0.8 * X1InFw
(0.8 * R1FInFw + ∆Fw) *
tan (ArgLd)
0.0
0.0
-(0.8 * R1FInFw + ∆Fw) *
tan (ArgLd)
-0.8 * X1InRv
-X1InRv
-0.8 * X1InRv
-(0.8 * -R1FInRv + ∆Rv) *
tan (ArgLd)
0.0
0.0
(0.8 * -R1FInRv + ∆Rv) *
tan (ArgLd)
0.8 * X1InFw
Transformer protection RET670
1MRK 504 165-UEN Rev. K
If OperationLdCh = Off
If OperationLdCh = Off
If OperationLdCh = Off
If OperationLdCh = Off
Commissioning manual