Overview
The “Fault locator” function is used to determine the distance to the fault location. Quick determination of fault location and the associated rapid troubleshooting increase the availability of the line for the power transmission in the electrical power system. Fault-location determination is based on the determination of the reactance of the short-circuited measuring loops.
For more detailed information on “Fault locator” function, refer to SIPROTEC 5 devices, V8.30 & higher manuals.
To see other supported functions, click here.
Structure/Embedding of the Function
Setting Parameters
Setting parameters for the Instantiation of the Fault Locator in the Line Function Group
| Addr. | Parameter | C | Setting Options | Default Setting |
| Fault locator | ||||
| _:1 | Fault locator:Mode | off on test |
off | |
| _:101 | Fault locator:Start | with operate with going pickup |
with going pickup | |
| _:102 | Fault locator:Parallel-line compensat. | no yes |
yes | |
| _:103 | Fault locator:Load compensation | no yes |
no | |
| _:104 | Fault locator:Substitute for IF | 3I2 3I0 |
3I0 | |
| _:106 | Fault locator:Comp. angle zero seq. | -40.00 ° to 40.00 ° | 0.00 ° | |
| _:107 | Fault locator:Comp. angle neg. seq. | -40.00 ° to 40.00 ° | 0.00 ° | |
Setting parameters for the Instantiation of the Fault Locator in the VI 3-Ph Function Group
| Addr. | Parameter | C | Setting Options | Default Setting |
| Fault locator | ||||
| _:1 | Fault locator:Mode | off on test |
off | |
| _:101 | Fault locator:Start | with operate with going pickup |
with going pickup | |
| _:103 | Fault locator:Load compensation | no yes |
no | |
| _:122 | Fault locator:Substitute for IF | 3I2 3I0 |
3I0 | |
| _:124 | Fault locator:Comp. angle zero seq. | -40.00 ° to 40.00 ° | 0.00 ° | |
| _:125 | Fault locator:Comp. angle neg. seq. | -40.00 ° to 40.00 ° | 0.00 ° | |
| _:113 | Fault locator:X per length unit | 1 A | 0.0005 Ω/km to 9.5000 Ω/km | 0.0525° Ω/km |
| 5 A | 0.0001 Ω/km to 1.9000 Ω/km | 0.0105 Ω/km | ||
| _:114 | Fault locator:Line length | 0.10 km to 1000.00 km | 60.00 km | |
| _:108 | Fault locator:Line angle | 10.00 ° to 89.00 ° | 85.00 ° | |
| _:104 | Fault locator:Kr | -0.33 to 11.00 | 1.00 | |
| _:105 | Fault locator:Kx | -0.33 to 11.00 | 1.00 | |
| _:118 | Fault locator:K0 | 0.000 to 11.000 | 1.000 | |
Logic Diagrams & highlights
Routing Matrix for the Triggering of the Fault Locator via Binary Input
Determining the Measurement Window
Short Circuit of a Phase-to-Phase Loop
Short Circuit of a Phase-to-Ground Loop
Fault Currents and Voltages of a Line Fed on Both Sides (1-Pole Display)
Calculations for Short Circuit of a Phase-to-Ground Loop
Short Circuit of a Phase-to-Phase Loop
Ground Fault on a Double Line
Routing in DIGSI
