Toshiba GR200 Series Instruction Manual page 8

Reset Ratio ......................................................................................................................... 201
2.7.4
Miscellaneous functions .................................................................................................... 201
2.7.5
Scheme logic ...................................................................................................................... 202
2.7.6
Setting ................................................................................................................................ 204
2.7.7
Data ID .............................................................................................................................. 209
2.7.8
Thermal overload function (THM) ............................................................................................ 211
Thermal state determination ............................................................................................ 212
2.8.1
Thermal characteristic ...................................................................................................... 213
2.8.2
Scheme logic ...................................................................................................................... 214
2.8.3
Setting ................................................................................................................................ 215
2.8.4
Data ID .............................................................................................................................. 216
2.8.5
Broken conductor protection (BCD) ......................................................................................... 217
Equivalent circuit for a one-phase series fault ................................................................ 218
2.9.1
Characteristic and setting ................................................................................................. 220
2.9.2
Miscellaneous functions .................................................................................................... 220
2.9.3
Scheme logic ...................................................................................................................... 221
2.9.4
Setting ................................................................................................................................ 221
2.9.5
Data ID .............................................................................................................................. 222
2.9.6
Circuit breaker fail protection (CBF) ....................................................................................... 223
CBF operation and its elements ....................................................................................... 224
2.10.1
Re-trip feature ................................................................................................................... 224
2.10.2
Backup feature .................................................................................................................. 225
2.10.3
Scheme logic ...................................................................................................................... 227
2.10.4
Operation timing ............................................................................................................... 229
2.10.5
Setting ................................................................................................................................ 230
2.10.6
Data ID .............................................................................................................................. 231
2.10.7
Stub protection with overcurrent relay (STUB-OC) ............................................................... 233
Stub-OC characteristic ...................................................................................................... 234
2.11.1
Scheme logic ...................................................................................................................... 234
2.11.2
Setting ................................................................................................................................ 236
2.11.3
Data ID .............................................................................................................................. 237
2.11.4
Overvoltage protection for phase-to-neutral (OV) ................................................................... 238
Drop-off and pickup characteristic ................................................................................... 239
2.12.1
Delay for the operation of the OV element ....................................................................... 239
2.12.2
Time characteristic ............................................................................................................ 239
2.12.3
Miscellaneous functions .................................................................................................... 242
2.12.4
Scheme logic ...................................................................................................................... 242
2.12.5
Setting list ......................................................................................................................... 244
2.12.6
Data ID .............................................................................................................................. 245
2.12.7
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6F2S1915 (0.46)