A travelling wave based fault location scheme for aged power cables

2005 ◽  
Author(s):  
E.M.T. Eldin
Keyword(s):  
Fault Location ◽  
Travelling Wave ◽  
Power Cables

scholarly journals Fault identification in power cables by using travelling wave-based approach

2021 ◽  
Vol 12 (2) ◽  
pp. 855-865
Author(s):  
M.NagaJyothia, Et. al.
Keyword(s):  
Communication Channel ◽  
Fault Location ◽  
Travelling Waves ◽  
Travelling Wave ◽  
Fault Identification ◽  
Power Cable ◽  
Power Cables ◽  
Underground Cables ◽  
Ground Resistance ◽  
Types Of Faults

Thefaults in the underground cables cause to generatetransients which propagate along the power cable as travelling waves. The velocity of the generated travelling wave and the time taken by a wave to reach the source point from the fault location enables us to calculate the fault distance value.In this paper a double endedtravelling wave based approach is used and a communication channel is designed to calculate the fault distance. A circuit-based model is developed in the EMTP-RV software to find out the fault distance from the source end for all types of faults. Further it is proved that the fault distance is unaffected by the change in ground resistance, various types of faults and the fault inception angle in the proposed method

Travelling wave fault location for LCC–MMC–MTDC transmission lines based on frequency-dependent characteristic

2022 ◽  
Vol 138 ◽  
pp. 107863
Author(s):  
Dong Wang ◽  
Hao Liu ◽  
Dian Zhang ◽  
Feng Qiao ◽  
Ximei Liu ◽  
...  
Keyword(s):  
Transmission Lines ◽  
Fault Location ◽  
Travelling Wave ◽  
Frequency Dependent

An Improved Wide Area Travelling Wave Fault Location Algorithm

2012 ◽  
Vol 241-244 ◽  
pp. 373-378
Author(s):  
Yu Chen ◽  
Dong Liu ◽  
Bing Yin Xu
Keyword(s):  
Traveling Wave ◽  
Fault Location ◽  
Travelling Wave ◽  
Wide Area ◽  
The Real ◽  
Counter Example ◽  
Location Algorithm

In order to enhance the reliability of traveling wave fault location (TWFL) systems, an improved wide area traveling wave fault location (WA-TWFL) algorithms is presented in this paper. In the disturbance area that near to the fault position, we can first get the possible fault positions by using the outgoing path data from the substation that first records the initial traveling wave, then use the possible fault position to verify the reasonableness of data recorded. The fault position that has no counter-example in logical is the real fault position. EMTP simulation verifies the validity and applicability of this algorithm.

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