Siemens Argus 7SR21 Technical Manual page 512
Overcurrent relay
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Also See for Argus 7SR21:
- Manual (71 pages) ,
- Installation manual (22 pages) ,
- Manual (15 pages)
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7SR21 & 7SR22 - Installation Guide
7.8
Voltage Transformer Configurations
Relay Voltage
Configuration Setting
Van, Vbn, Vcn
Va, Vb, Vc
Vab, Vbc, 3V0
Unrestricted Page 36 of 36
Description
67 & 67N & 67G
47, 27/59 & 81
Phase – Neutral
Phase – Phase
Calculated
NPS
ZPS
67
67N (NPS polarising)
47, 27/59 & 81
Phase – Phase
Calculated
NPS
67 & 67N & 67G
47, 59N, 27/59 & 81
Phase – Neutral
Calculated
Phase – Phase
Phase Vca Calculated
NPS
ZPS
Figure 7.8-1 7SR22 VT Connections
Connection
©2018 Siemens Protection Devices Limited
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