Siemens 7SR12 Argus - Voltage Transformer Configurations

7SR11 & 7SR12 Installation Guide
©2017 Siemens Protection Devices Limited Chapter 5 Page 27 of 32
5.10 Voltage Transformer Configurations
Relay Voltage
Configuration Setting
Description
Connection
Van, Vbn, Vcn
67 & 67N & 67G
47, 59N, 27/59 & 81
Phase – Neutral
Phase – Phase
Calculated
NPS
ZPS
A B C
B
17
B19
B
21
B23
B25
B
27
Va
Vb
Vc
Va, Vb, Vc
67 & 67N & 67G
47,27/59 & 81
Phase – Neutral
Phase – Phase
Calculated
NPS
No ZPS available
A B C
B17
B19
B21
B23
B25
B27
Va
Vb
Vc
Vab, Vbc, 3Vo
67 & 67N & 67G
47, 59N, 27/59 & 81
Phase – Neutral
Calculated
Phase – Phase
Phase Vca
Calculated
NPS
ZPS
A B C
B17
B19
B21
B23
B25
B27
Va
Vb
Vc
Dn
Da