ABB RET670 - Page 11

Verifying the settings.................................................................. 143
Testing the power swing detection function ZMRPSB (68)........ 144
Testing the tR1 timer.................................................................. 144
Testing the block input, interaction between FDPSPDIS (21)
or FRPSPDIS (21) and ZMRPSB (78)........................................145
Completing the test.....................................................................145
Power swing logic PSLPSCH.......................................................... 145
Testing the carrier send and trip signals.....................................146
Testing the influence of the residual overcurrent protection.......146
Checking the underreaching zone..............................................147
Completing the test.....................................................................148
Pole slip protection PSPPPAM (78)................................................ 148
Verifying the settings.................................................................. 148
Completing the test.....................................................................150
Out-of-step protection OOSPPAM...................................................150
Verifying the settings.................................................................. 151
Test of point RE (R
FwdR
, X
FwdX
)................................................. 156
Test of the boundary between zone 1 and zone 2, which is
defined by the parameter
ReachZ1 ............................................ 161
Test of the point SE (R
RvsR
, X
RvsX
).............................................165
Automatic switch onto fault logic ZCVPSOF................................... 170
Activating ZCVPSOF externally..................................................170
Initiating ZCVPSOF automatically and setting mode to
impedance.................................................................................. 171
Initiating ZCVPSOF automatically and setting mode to VILevel 171
Completing the test.....................................................................171
Phase preference logic PPLPHIZ ...................................................172
Completing the test.....................................................................173
Under impedance protection for Generator ZGVPDIS.................... 173
Verifying the settings.................................................................. 173
Completing the test.....................................................................176
Current protection................................................................................. 177
Instantaneous phase overcurrent protection 3-phase output
PHPIOC (50)....................................................................................177
Measuring the trip limit of set values.......................................... 177
Completing the test.....................................................................178
Directional phase overcurrent protection, four steps OC4PTOC
(51_67).............................................................................................178
Verifying the settings.................................................................. 178
Completing the test.....................................................................180
Table of contents
Transformer protection RET670 2.2 ANSI 5
Commissioning manual