ABB REG650 Technical Manual page 10

Table of contents
4
Functionality....................................................................................133
Function block.................................................................................134
Signals.............................................................................................134
Settings............................................................................................135
Operation principle..........................................................................136
Full scheme measurement.........................................................136
Impedance characteristic............................................................136
Basic operation characteristics...................................................137
Theory of operation....................................................................139
Technical data.................................................................................140
Loss of excitation LEXPDIS (40)..........................................................141
Identification....................................................................................141
Functionality....................................................................................141
Function block.................................................................................141
Signals.............................................................................................142
Settings............................................................................................142
Monitored data.................................................................................143
Operation principle..........................................................................143
Technical data.................................................................................147
Out-of-step protection OOSPPAM (78)................................................147
Identification....................................................................................147
Functionality....................................................................................148
Function block.................................................................................148
Signals.............................................................................................148
OOSPPAM InputSignals.............................................................148
OOSPPAM OutputSignals..........................................................149
Settings............................................................................................149
OOSPPAM Settings...................................................................149
Monitored data.................................................................................151
Operation principle..........................................................................151
Lens characteristic......................................................................154
Detecting an out-of-step condition..............................................156
Maximum slip frequency.............................................................157
Taking care of the circuit breaker safety.....................................158
Design........................................................................................160
Technical data.................................................................................161
Load encroachment LEPDIS ...............................................................161
Identification....................................................................................161
Functionality....................................................................................162
Function block.................................................................................162
Technical Manual