Table of contents
11.3.5.3
11.3.5.4
11.3.5.5
11.3.5.6
11.3.5.7
11.3.5.8
11.3.5.9
11.4
Impedance protection..............................................................................................................106
11.4.1
11.4.1.1
11.4.1.2
11.4.1.3
11.4.2
11.4.2.1
11.4.2.2
11.4.3
11.4.3.1
11.4.3.2
11.4.4
11.4.5
11.4.5.1
11.4.5.2
11.4.6
11.4.6.1
11.4.6.2
11.4.7
(21) ....................................................................................................................................... 123
11.4.7.1
11.4.7.2
11.4.7.3
11.4.7.4
11.4.7.5
11.4.8
11.4.8.1
11.4.8.2
11.4.8.3
11.4.8.4
11.4.8.5
11.4.8.6
11.4.9
11.4.9.1
11.4.9.2
4
Completing the test.......................................................................................................... 106
Completing the test...........................................................................................................110
Completing the test...........................................................................................................113
Phase-to-phase faults.......................................................................................................114
Phase-to-ground faults .................................................................................................... 114
Completing the test.......................................................................................................... 122
Function revision history...................................................................................................123
Verifying the settings........................................................................................................ 123
Completing the test.......................................................................................................... 127
Function revision history...................................................................................................127
Verifying the settings........................................................................................................ 128
Completing the test.......................................................................................................... 132
Function revision history...................................................................................................132
© 2017 - 2021 Hitachi Power Grids. All rights reserved
1MRK 504 165-UUS Rev. J
Transformer protection RET670
Commissioning manual
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