7SR21 & 7SR22 - Installation Guide
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7.8
Voltage Transformer Configurations
Relay Voltage
Configuration Setting
Description
Connection
Van, Vbn, Vcn
67 & 67N & 67G
47, 27/59 & 81
Phase – Neutral
Phase – Phase
Calculated
NPS
ZPS
Va, Vb, Vc
67
67N (NPS polarising)
47, 27/59 & 81
Phase – Phase
Calculated
NPS
Vab, Vbc, 3V0
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
Summary of Contents for Argus 7SR21
Page 1: ...Energy Management 7SR21 7SR22 Argus Overcurrent Relay Reyrolle Protection Devices ...
Page 2: ......
Page 4: ...Contents 7SR11 and 7SR12 Page 2 of 2 2018 Siemens Protection Devices Limited ...
Page 185: ...7SR210 Settings Guide Unrestricted 2018 Siemens Protection Devices Limited Page 61 of 61 ...
Page 277: ...7SR220 Settings Guide Unrestricted Page 72 of 107 2013 Siemens Protection Devices Limited ...
Page 382: ...7SR220 Technical Manual Chapter 4 Page 2 of 96 2017 Siemens Protection Devices Limited ...
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