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Protective Method for HVDC Transmission Line using Directional Characteristics of Reactive Energy

Author(s):

Pramod Satyanarayan Naik , AMC Engineering college, Bangalore ; R. Selvamathi, AMC Engineering college, Bangalore

Keywords:

Reactive energy, HVDC, Directional protection, Circuit breaker, Relay

Abstract

In recent years the popularity of HVDC system is increasing in power system because of its advantages over AC system for long transmission line. Thus the transmission line protection plays a vital role in the protection of the system. This project proposes transmission line backup protection using reactive energy. The direction of reactive energy in the system are analysed to identify the internal and external fault in the system and these characteristics of reactive energy are used to construct directional protection. And appropriate protection method is applied using relay and circuit breaker combination. The positive sequence voltage analyser will be used to extract the voltage and logical operator combination is used to extract the tripping signal for the relay and also circuit breaker. Bipolar 12-pulse HVDC system is simulated in MATLAB/Simulink software. And simulations for various faults are carried out. This project clearly identifies the internal and external faults in the system.

Other Details

Paper ID: IJSRDV4I50718
Published in: Volume : 4, Issue : 5
Publication Date: 01/08/2016
Page(s): 1365-1370

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