Voltage Transformer Configurations - Siemens 7SR12 Argus Manual

5.10 Voltage Transformer Configurations

Relay Voltage
Configuration Setting
Van, Vbn, Vcn
Va, Vb, Vc
Vab, Vbc, 3Vo
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Description
67 & 67N & 67G
47, 59N, 27/59 & 81
Phase – Neutral
Phase – Phase
Calculated
NPS
ZPS
67 & 67N & 67G
47,27/59 & 81
Phase – Neutral
Phase – Phase
Calculated
NPS
No ZPS available
67 & 67N & 67G
47, 59N, 27/59 & 81
Phase – Neutral
Calculated
Phase – Phase
Phase Vca
Calculated
NPS
ZPS
Connection
Va
Vb
Vc
A B C
Va
Vb
Vc
A B C
A B C
7SR11 & 7SR12 Installation Guide
B17
B19
B21
B23
B25
B27
B17
B19
B21
B23
B25
B27
Va
B17
B19
Vb
B21
Vc
B23
Da
B25
Dn
B27
Chapter 5 Page 27 of 32