Toshiba GR200 Series Instruction Manual page 114

Distance protection (ZS/ZG)
The distance protection function can provide the user the zone information of the fault
occurrence using relay elements. The user can determine the boundaries of respective zones
using reactance-reaches.
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Note: Several IED models do not have ZS/ZG features. To determine whether the features
are implemented in the IED or not, locate the IED ordering number; and check the order
number at "G&T position" referring to the comparison table below. For more information, see
Appendix: Ordering
Table 2.10-1 Comparative table in respective ordering numbers
Distance protection(for phase fault) with 6 zones
Power swing block
ZS
Switch on to fault protection
Distance protection(for earth fault) with 6 zones
Power swing block
ZG
Switch on to fault protection
✓: Applicable
.
feature
NA: Not applicable
- 91 -
6F2S1914 (0.49)
Ordering No. at "G&T"
33 37
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
GRL200 (Soft 033 & 037)