Hitachi Relion 670 Series Applications Manual page 356

Section 15
Monitoring
15.13.5 Setting example
Consider a 110 kV, 600A, 16.7 Hz system. The voltage and current signals in the system are shown
in Figure
Table 43:
Name
Rated MVA capacity (SBase)
Rated voltage (UBase)
Rated Current (IBase)
System Frequency
VT ratio
CT ratio
IEC21000000246 V1 EN-US
Figure 172: Current and voltage signals in the considered system
350
172.
System details
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Value
141.4 MVA
100kV
1000 A
16.7 Hz
100 kV/100V
1000/1A
Railway application RER670
1MRK506375-UEN Rev. N
GUID-6DE94D22-8000-4259-B0C4-5F7586A016A9 v1
Application manual