Toshiba GR200 Series Instruction Manual page 401

Multi-end fault locator (FL-A and FL-Z)
The function of multi-end fault locator (FL) can determine a fault location on lines with high
reliability; it is useful in case of power system failure. The following two calculations run in
the FL; then the FL selects one of the calculation results to provide a fault location.
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Note: Several IED models do not have fault locator 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,
Appendix: Ordering
see
Table 2.32-1 Comparative table in respective ordering numbers
Fault locator (21FL)
FL-Z
Fault locator (FL)
FL-A
✓: Applicable
FL calculation with data at a local-terminal and remote-terminals
(1)
FL calculation with data at a local-terminal only
(2)
.
feature
NA: Not applicable
- 378 -
6F2S1914 (0.49)
Ordering No. at "G&T"
33 37
✓ ✓
✓ ✓
GRL200 (Soft 033 & 037)