Hitachi Relion 670 Series Applications Manual page 10

Table of contents
8.2.4 Setting guidelines............................................................................................................147
8.2.4.1
8.2.4.2
8.3 Instantaneous residual overcurrent protection EFRWPIOC..............................................151
8.3.1 Identification.................................................................................................................... 151
8.3.2 Application.......................................................................................................................151
8.3.3 Setting guidelines............................................................................................................151
8.4 Two step residual overcurrent protection EF2PTOC.........................................................153
8.4.1 Function revision history..................................................................................................153
8.4.2 Identification.................................................................................................................... 154
8.4.3 Application.......................................................................................................................154
8.4.4 Setting guidelines............................................................................................................155
8.4.4.1
8.4.4.2
8.4.4.3
8.5 Sensitive directional residual overcurrent and power protection SDEPSDE ....................157
8.5.1 Identification.................................................................................................................... 158
8.5.2 Application ......................................................................................................................158
8.5.3 Setting guidelines............................................................................................................159
8.6 Thermal overload protection, one time constant, Celsius LPTTR..................................... 166
8.6.1 Identification.................................................................................................................... 166
8.6.2 Application.......................................................................................................................166
8.6.3 Setting guideline..............................................................................................................167
8.7 Breaker failure protection CCRWRBRF ........................................................................... 168
8.7.1 Function revision history..................................................................................................169
8.7.2 Identification.................................................................................................................... 169
8.7.3 Application.......................................................................................................................169
8.7.4 Setting guidelines............................................................................................................169
8.8 Overcurrent protection with binary release BRPTOC........................................................174
8.8.1 Function revision history..................................................................................................174
8.8.2 Identification.................................................................................................................... 174
8.8.3 Application.......................................................................................................................174
8.8.4 Setting guidelines............................................................................................................175
8.9 Voltage-restrained time overcurrent protection VRPVOC ................................................ 175
8.9.1 Function revision history..................................................................................................175
8.9.2 Identification.................................................................................................................... 176
8.9.3 Application.......................................................................................................................176
8.9.3.1
8.9.3.2
8.9.4 Features of VRPVOC function........................................................................................ 177
8.9.4.1
8.9.5 Setting guidelines............................................................................................................178
8.9.5.1
8.10 Tank overcurrent protection TPPIOC................................................................................ 179
8.10.1 Function revision history..................................................................................................179
8.10.2 Identification.................................................................................................................... 179
4
Settings for step 1 ..................................................................................................... 149
Settings for step 2...................................................................................................... 150
Settings for each step (x = 1 and 2)........................................................................... 155
Common settings....................................................................................................... 156
nd
2 harmonic restrain................................................................................................. 157
Measured quantities for different railway applications............................................... 176
Base quantities...........................................................................................................176
Undervoltage seal-in.................................................................................................. 177
Explanation of the setting parameters........................................................................178
© 2017 - 2023 Hitachi Energy. All rights reserved
1MRK506375-UEN Rev. N
Railway application RER670
Application manual