Computer Science & Electrical

Computer Science & Electrical

Transmission Line Protection By Using Surge Arresters

Pages: 6  ,  Volume: 33  ,  Issue: 2 , July   2019
Received: 05 Aug 2019  ,  Published: 09 August 2019
Views: 73  ,  Download: 39


# Author Name
1 Moe Moe San
2 Naung Cho Wynn




Lightning strikes to overhead transmission lines cause travelling waves which propagate along the overhead line and enter substations where they cause over voltages which can pose a risk to any items of equipment connected, such as cables or transformers. With the use of metal-oxide arresters, these overvoltage are reduced to values which, taking into account an adequate safety margin, are below the electric strength of the electrical devices applied. In this paper we emphasize the impact of protection technique used Surge arresters from overvoltage develop across the system. 

All the simulating work is done in MATLAB/Simulink in which we develop different graphical relationship between current, voltage waveforms with respect to time. All this simulation is carried out with  arrester to evaluate transmission line arrester impact on surge develops across the system and to improve the overall performance of the system.

Keywords; Surge arrestors, high voltage, power system, metal-oxide arresters, Simulation, Transmission lines, substation


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  • References


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