Hitachi Relion 670 Series Commissioning Manual page 17

1MRK506371-UUS Rev. M
11.13.9.2
11.13.9.3
11.13.10 Fault locator LMBRFLO.........................................................................................................246
11.13.10.1
11.13.10.2
11.13.10.3
11.13.10.4
11.14 Metering.................................................................................................................................. 248
11.14.1 Pulse-counter logic PCFCNT................................................................................................ 248
11.14.2 Function for energy calculation and demand handling ETPMMTR....................................... 248
11.14.2.1
11.14.2.2
11.15 Station communication............................................................................................................ 249
11.15.1 Multiple command and transmit MULTICMDRCV / MULTICMDSND....................................249
11.16 Remote communication...........................................................................................................250
11.16.1 Binary signal transfer.............................................................................................................250
11.17 Basic IED functions................................................................................................................. 251
11.17.1 Parameter setting group handling SETGRPS....................................................................... 251
11.17.1.1
11.17.1.2
11.18 Exit test mode..........................................................................................................................252
Section 12 Checking the directionality............................................................................253
12.1 Overview................................................................................................................................. 253
12.2 Testing the directionality of the distance protection.................................................................253
Section 13 Commissioning and maintenance of the fault clearing system................. 255
13.1 Commissioning tests............................................................................................................... 255
13.2 Periodic maintenance tests..................................................................................................... 255
13.2.1 Visual inspection....................................................................................................................256
13.2.2 Maintenance tests................................................................................................................. 256
13.2.2.1
13.2.2.2
13.2.2.3
13.2.2.4
13.2.2.5
13.2.2.6
13.2.2.7
13.2.2.8
Section 14 Troubleshooting..............................................................................................259
14.1 Checking the self supervision signals..................................................................................... 259
14.1.1 Checking the self supervision function.................................................................................. 259
14.1.1.1
Line distance protection REL670
Commissioning manual
Verifying the settings........................................................................................................ 245
Completing the test.......................................................................................................... 246
Function revision history...................................................................................................246
Verifying the signals and settings..................................................................................... 246
Measuring the operate limit.............................................................................................. 247
Completing the test.......................................................................................................... 248
Verifying the settings........................................................................................................ 248
Completing the test.......................................................................................................... 249
Verifying the settings........................................................................................................ 251
Completing the test.......................................................................................................... 252
Preparation.......................................................................................................................256
Recording......................................................................................................................... 256
Secondary injection.......................................................................................................... 256
Alarm test......................................................................................................................... 257
Self supervision check......................................................................................................257
Trip circuit check.............................................................................................................. 257
Measurement of service currents..................................................................................... 257
Restoring.......................................................................................................................... 258
Determine the cause of an internal failure........................................................................259
© 2017 - 2023 Hitachi Energy. All rights reserved
Table of contents
11