HVDC over HVAC power transmission system: Fault current analysis and effect comparison

Author

Rahman, Md Mamunur ; Rabbi, Md Fazle ; Islam, Md. Kamrul ; Mahafugur Rahman, F.M.

Author_Institution

Dept. of Electr. & Electron. Eng., Chittagong Univ. of Eng. & Technol. (CUET), Chittagong, Bangladesh

fYear

2014

fDate

10-12 April 2014

Firstpage

1

Lastpage

6

Abstract

`Fault current´ is the flow of abnormal current through an improper path due to electric faults which causes enormous damages. In HVAC transmission system, Fault current due to electric faults is too large which affects the overall power system including-Receiving & Sending end bus, Transmission system, Load and even also the Power Generation Unit. HVDC transmission system dramatically reduces these effects, as the fault current due to electric faults is much lower, and only affects the individual faulty section of the overall transmission system. In favor of HVDC system, this paper presents a `fault current´ (due to asymmetric faults) analysis and comparisons between HVAC and HVDC transmission system. MATLAB (Simulink) simulation software is used to simulate both HVAC & HVDC power transmission system topologies. From the comparison of the simulation output-lower fault current, less fault effect, better performance & higher reliability is demonstrated for HVDC transmission system.

Keywords

HVDC power transmission; electric power generation; fault currents; power transmission faults; power transmission reliability; HVAC power transmission system; HVDC power transmission system; MATLAB; Simulink; asymmetric faults; electric faults; fault current analysis; power generation unit; receiving end bus; sending end bus; Circuit faults; Fault currents; Generators; HVDC transmission; Power generation; Power transmission lines; Electric faults; Fault current; HVAC power system; HVDC power system; Power system simulation;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrical Engineering and Information & Communication Technology (ICEEICT), 2014 International Conference on

Conference_Location

Dhaka

Print_ISBN

978-1-4799-4820-8

Type

conf

DOI

10.1109/ICEEICT.2014.6919066

Filename

6919066