Hitachi Relion 670 Series Commissioning Manual page 14

Table of contents
11.11.5 Current reversal and weak-end infeed logic for residual overcurrent protection
ECRWPSCH .................................................................................................................. 184
11.11.5.1
11.11.5.2
11.11.5.3
11.12 Logic..................................................................................................................................186
11.12.1 Tripping logic, common 3-phase output SMPPTRC .......................................................186
11.12.1.1
11.12.1.2
11.12.1.3
11.12.1.4
11.12.1.5
11.12.1.6
11.13 Monitoring..........................................................................................................................189
11.13.1 Gas medium supervision SSIMG.................................................................................... 189
11.13.1.1
11.13.1.2
11.13.1.3
11.13.1.4
11.13.2 Liquid medium supervision SSIML.................................................................................. 191
11.13.2.1
11.13.2.2
11.13.2.3
11.13.2.4
11.13.3 Breaker monitoring SSCBR.............................................................................................192
11.13.3.1
11.13.3.2
11.13.4 Event function EVENT.....................................................................................................194
11.13.5 Limit counter L4UFCNT...................................................................................................194
11.13.5.1
11.13.6 Estimation of transformer insulation life LOLSPTR ........................................................ 194
11.13.6.1
11.13.6.2
11.13.7 Through fault monitoring PTRSTHR .............................................................................. 195
11.13.7.1
11.13.7.2
11.13.8 Function revision history..................................................................................................196
11.13.9 Current harmonic monitoring CHMMHAI.........................................................................197
11.13.9.1
11.13.9.2
11.13.10 Function revision history..................................................................................................198
11.13.11 Voltage harmonic monitoring VHMMHAI.........................................................................198
11.13.11.1
11.13.11.2
8
Testing the current reversal logic............................................................................... 185
Testing the weak-end infeed logic.............................................................................. 185
Completing the test.................................................................................................... 186
Function revision history............................................................................................ 187
3 phase operating mode............................................................................................ 187
1ph/3ph operating mode ........................................................................................... 187
1ph/2ph/3ph operating mode .................................................................................... 188
Circuit breaker lockout............................................................................................... 189
Completing the test.................................................................................................... 189
Function revision history............................................................................................ 190
Testing the gas medium supervision for pressure alarm and pressure lockout
conditions .................................................................................................................. 190
Testing the gas medium supervision for temperature alarm and temperature
lockout conditions ......................................................................................................190
Completing the test.................................................................................................... 191
Function revision history............................................................................................ 191
Testing the liquid medium supervision for level alarm and level lockout conditions...191
Testing the gas medium supervision for temperature alarm and temperature
lockout conditions.......................................................................................................192
Completing the test.................................................................................................... 192
Verifying the settings.................................................................................................. 192
Completing the test.................................................................................................... 193
Completing the test.................................................................................................... 194
Verifying the signals and settings...............................................................................194
Completing the test.................................................................................................... 195
Verifying the signals and settings...............................................................................195
Completing the test.................................................................................................... 196
Verifying the signals and settings...............................................................................197
Completing the test.................................................................................................... 197
Verifying the signals and settings...............................................................................198
Completing the test.................................................................................................... 198
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1MRK 511 403-UEN Rev. L
Bay control REC670
Commissioning manual