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Rate-of-change frequency protection SAPFRC ........................190
Verifying the settings............................................................ 190
Completing the test.............................................................. 191
Frequency time accumulation protection function FTAQFVR... 191
Verifying the settings............................................................ 191
Completing the test.............................................................. 193
Multipurpose protection.................................................................. 193
General current and voltage protection CVGAPC.....................193
Built-in overcurrent feature (non-directional)........................ 194
Overcurrent feature with current restraint.............................194
Overcurrent feature with voltage restraint............................ 194
Overcurrent feature with directionality..................................195
Over/Undervoltage feature................................................... 196
Completing the test.............................................................. 196
Secondary system supervision.......................................................196
Current circuit supervision CCSSPVC.......................................196
Verifying the settings............................................................ 196
Completing the test.............................................................. 197
Fuse failure supervision FUFSPVC...........................................197
Checking that the binary inputs and outputs operate as
expected ..............................................................................197
Measuring the operate value for the negative sequence
function ................................................................................198
Measuring the operate value for the zero-sequence
function ................................................................................199
Measuring the operate value for the dead line detection
function.................................................................................200
Checking the operation of the du/dt and di/dt based function 200
Completing the test.............................................................. 201
Fuse failure supervision VDSPVC.............................................201
Completing the test.............................................................. 202
Control............................................................................................ 202
Synchrocheck, energizing check, and synchronizing
SESRSYN................................................................................. 202
Testing the synchronizing function....................................... 204
Testing the synchrocheck check.......................................... 205
Testing the energizing check................................................207
Testing the voltage selection................................................209
Completing the test.............................................................. 211
Apparatus control APC..............................................................211
Voltage control (VCTR) TR1ATCC, TR8ATCC, TCMYLTC,
TCLYLTC...................................................................................212
Secondary test..................................................................... 214
Check the activation of the voltage control operation...........214
Table of contents
Generator protection REG670 2.0 IEC 7
Commissioning manual