Two step undervoltage protection U2RWPTUV........................ 120
Verifying the settings............................................................ 120
Completing the test.............................................................. 121
Two step overvoltage protection O2RWPTOV.......................... 121
Verifying the settings............................................................ 121
Completing the test.............................................................. 122
Two step residual overvoltage protection ROV2PTOV ............ 122
Verifying the settings............................................................ 122
Completing the test.............................................................. 123
Frequency protection......................................................................123
Underfrequency protection SAPTUF ........................................ 123
Verifying the settings............................................................ 123
Completing the test.............................................................. 124
Secondary system supervision.......................................................124
Current circuit supervision CCSSPVC.......................................124
Verifying the settings............................................................ 124
Completing the test.............................................................. 124
Fuse failure supervision FRWSPVC..........................................125
Checking that the binary inputs and outputs operate as
expected...............................................................................125
Measuring the operate value for the dead line detection
function.................................................................................125
Checking the operation of the du/dt and di/dt based
function.................................................................................126
Completing the test.............................................................. 126
Voltage based delta supervision DELVSPVC........................... 126
Verifying the signals and settings.........................................126
Completing the test.............................................................. 127
Current based delta supervision DELISPVC............................. 128
Verifying the signals and settings.........................................128
Completing the test.............................................................. 128
Delta supervision of real input DELSPVC................................. 129
Verifying the signals and settings.........................................129
Completing the test.............................................................. 129
Control............................................................................................ 129
Synchrocheck, energizing check, and synchronizing
SESRSYN................................................................................. 129
Testing the synchronizing function....................................... 130
Testing the synchrocheck functionality.................................131
Testing the energizing check................................................134
Completing the test.............................................................. 135
Autoreclosing for railway system SMBRREC............................ 135
Preparation of the verification ..............................................137
Switching the auto recloser to
On
and
Off
............................138
Table of contents
Railway application RER670 2.2 IEC 5
Commissioning manual