ABB Relion 670 series - Secure FTP Access with TLS;FTPS; Encryption Algorithms for Secure Communication

11.14.14.4 Completing the test.......................................................................................................... 288
11.15 Metering.................................................................................................................................. 288
11.15.1 Pulse-counter logic PCFCNT................................................................................................ 288
11.15.2 Function for energy calculation and demand handling ETPMMTR....................................... 288
11.15.2.1 Verifying the settings........................................................................................................ 288
11.15.2.2 Completing the test.......................................................................................................... 289
11.16 Station communication............................................................................................................ 289
11.16.1 Multiple command and transmit MULTICMDRCV / MULTICMDSND....................................289
11.17 Remote communication...........................................................................................................290
11.17.1 Binary signal transfer.............................................................................................................290
11.18 Basic IED functions................................................................................................................. 291
11.18.1 Parameter setting group handling SETGRPS.......................................................................291
11.18.1.1 Verifying the settings........................................................................................................ 291
11.18.1.2 Completing the test.......................................................................................................... 292
11.19 Exit test mode..........................................................................................................................292
Section 12 Primary injection testing................................................................................293
12.1 Transformer Voltage Control ATCC.........................................................................................293
12.1.1 Load drop compensation function, LDC................................................................................293
12.1.2 Voltage control of Parallel Transformers............................................................................... 294
12.1.3 Minimum Circulating Current (MCC) method........................................................................ 295
12.1.4 Master Follower (MF) method............................................................................................... 296
12.1.5 Completing the test............................................................................................................... 297
Section 13 Checking the directionality............................................................................299
13.1 Overview................................................................................................................................. 299
13.2 Testing the directionality of the distance protection.................................................................299
Section 14 Commissioning and maintenance of the fault clearing system.................301
14.1 Commissioning tests............................................................................................................... 301
14.2 Periodic maintenance tests..................................................................................................... 301
14.2.1 Visual inspection....................................................................................................................302
14.2.2 Maintenance tests................................................................................................................. 302
14.2.2.1 Preparation.......................................................................................................................302
14.2.2.2 Recording.........................................................................................................................302
14.2.2.3 Secondary injection..........................................................................................................303
14.2.2.4 Alarm test......................................................................................................................... 303
14.2.2.5 Self supervision check......................................................................................................303
14.2.2.6 Trip circuit check.............................................................................................................. 303
14.2.2.7 Measurement of service currents.....................................................................................304
14.2.2.8 Restoring..........................................................................................................................304
Section 15 Troubleshooting..............................................................................................305
15.1 Checking the self supervision signals..................................................................................... 305
Table of contents 1MRK 504 165-UUS Rev. J
12 Transformer protection RET670
Commissioning manual
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