Hitachi Relion 670 Series Commissioning Manual page 14

Table of contents
11.8.2.3
11.8.2.4
11.8.2.5
11.8.2.6
11.9 Secondary system supervision................................................................................................195
11.9.1 Current circuit supervision CCSSPVC (87) .......................................................................... 195
11.9.1.1
11.9.1.2
11.9.2 Fuse failure supervision FUFSPVC.......................................................................................196
11.9.2.1
11.9.2.2
11.9.2.3
11.9.2.4
11.9.2.5
11.9.2.6
11.9.3 Fuse failure supervision ....................................................................................................... 199
11.9.3.1
11.9.4 Voltage based delta supervision DELVSPVC........................................................................200
11.9.4.1
11.9.4.2
11.9.5 Current based delta supervision DELISPVC(7I)................................................................... 201
11.9.5.1
11.9.5.2
11.9.6 Delta supervision of real input DELSPVC............................................................................. 202
11.9.6.1
11.9.6.2
11.10 Control.....................................................................................................................................203
11.10.1 Synchrocheck, energizing check, and synchronizing SESRSYN (25).................................. 203
11.10.1.1
11.10.1.2
11.10.1.3
11.10.1.4
11.10.1.5
11.10.2 Autorecloser for 1/2/3-phase operation SMBRREC (79).......................................................210
11.10.2.1
11.10.2.2
11.10.2.3
11.10.2.4
11.10.2.5
11.10.3 Apparatus control APC..........................................................................................................215
11.10.3.1
11.10.4 Single command, 16 inputs SINGLECMD.............................................................................216
11.10.5 Interlocking............................................................................................................................ 216
8
Overcurrent feature with voltage restraint........................................................................ 194
Overcurrent feature with directionality..............................................................................195
Over/Undervoltage feature............................................................................................... 195
Completing the test.......................................................................................................... 195
Verifying the settings........................................................................................................ 196
Completing the test.......................................................................................................... 196
Checking that the binary inputs and outputs trip as expected .........................................196
Measuring the trip value for the negative sequence function .......................................... 197
Measuring the trip value for the zero-sequence function ................................................ 198
Measuring the trip value for the dead line detection function........................................... 198
Checking the operation of the dv/dt and di/dt based function ......................................... 199
Completing the test.......................................................................................................... 199
Completing the test.......................................................................................................... 200
Verifying the signals and settings..................................................................................... 200
Completing the test.......................................................................................................... 201
Verifying the signals and settings..................................................................................... 201
Completing the test.......................................................................................................... 202
Verifying the signals and settings..................................................................................... 202
Completing the test.......................................................................................................... 203
Testing the synchronizing function................................................................................... 205
Testing the synchrocheck functionality............................................................................. 205
Testing the energizing check............................................................................................ 207
Testing the voltage selection............................................................................................ 208
Completing the test.......................................................................................................... 210
Preparation of the verification ..........................................................................................212
Switching the auto recloser to On and Off Enabled and Disabled .................................. 213
Verifying the auto recloser ...............................................................................................213
Checking the auto reclosing conditions............................................................................214
Completing the test.......................................................................................................... 215
Function revision history...................................................................................................215
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1MRK506371-UUS Rev. M
Line distance protection REL670
Commissioning manual