Toshiba GR200 Series Instruction Manual page 9

Overvoltage protection for phase-to-phase (OVS) ................................................................... 246
Drop-off and pickup setting............................................................................................... 247
2.13.1
Delay for the operation of the OVS element .................................................................... 247
2.13.2
Time characteristic ............................................................................................................ 247
2.13.3
Miscellaneous functions .................................................................................................... 249
2.13.4
Scheme logic ...................................................................................................................... 250
2.13.5
Setting list ......................................................................................................................... 251
2.13.6
Data ID .............................................................................................................................. 252
2.13.7
Earth fault overvoltage protection (OVG) ............................................................................... 253
Drop-off and pickup setting............................................................................................... 254
2.14.1
Delay of the operation of the OVG element ...................................................................... 254
2.14.2
Time characteristic ............................................................................................................ 254
2.14.3
Miscellaneous functions .................................................................................................... 257
2.14.4
Scheme logic ...................................................................................................................... 257
2.14.5
Setting ................................................................................................................................ 259
2.14.6
Data ID .............................................................................................................................. 260
2.14.7
Phase under-voltage protection (UV) ....................................................................................... 261
Drop-off and pick-up characteristic .................................................................................. 262
2.15.1
Time characteristic ............................................................................................................ 262
2.15.2
Miscellaneous functions .................................................................................................... 265
2.15.3
Scheme logic ...................................................................................................................... 265
2.15.4
Setting ................................................................................................................................ 267
2.15.5
Data ID .............................................................................................................................. 268
2.15.6
Phase-to-phase under-voltage protection (UVS) ..................................................................... 269
Drop-off and pick-up characteristic .................................................................................. 270
2.16.1
Time characteristic ............................................................................................................ 270
2.16.2
Miscellaneous functions .................................................................................................... 273
2.16.3
Scheme logic ...................................................................................................................... 273
2.16.4
Setting ................................................................................................................................ 275
2.16.5
Data ID .............................................................................................................................. 276
2.16.6
Frequency protection (FRQ/DFRQ) ......................................................................................... 278
FRQ features and characteristics ..................................................................................... 279
2.17.1
DFRQ features and characteristics .................................................................................. 281
2.17.2
Setting ................................................................................................................................ 283
2.17.3
Data ID .............................................................................................................................. 285
2.17.4
Out of step tripping protection by distance relay (OSTZ) ....................................................... 288
Phenomenon and principle of out-of-step ......................................................................... 289
2.18.1
Function features .............................................................................................................. 290
2.18.2
Operation zones and element characteristics .................................................................. 290
2.18.3
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6F2S1915 (0.46)