Zero-Sequence Impedance Estimation in Mutually Coupled Transmission Lines Using Fault Record Data

2020 ◽  
Author(s):  
Oveis Asgari Gashteroodkhani ◽  
Mehrdad Majidi ◽  
Mehdi Etezadi-Amoli
Keyword(s):  
Transmission Lines ◽  
Record Data ◽  
Zero Sequence ◽  
Coupled Transmission Lines ◽  
Fault Record

Study on Mixed-Measurement of Zero-Sequence Parameters of Two Parallel Coupled Transmission Lines

2014 ◽  
Vol 530-531 ◽  
pp. 127-130
Author(s):  
Xiao Di Huo ◽  
Zhi Rui Liang
Keyword(s):  
Mathematical Model ◽  
Transmission Lines ◽  
Digital Simulation ◽  
Incremental Method ◽  
Zero Sequence ◽  
Coupled Transmission Lines ◽  
Sequence Parameters

Based on WAMS technology and the demand of real projects, a method of mixed measurement of zero-sequence parameters for two parallel coupled transmission lines is proposed. The principles and specific methods of mixed measurement mainly based on the incremental method are explained in details.The mathematical model is given and a digital simulation of coupled transmission lines with different zero-sequence parameters is conducted to verify the method.

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