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Adverse impact of STATCOM on the performance of distance relay


Aker, Elhadi Emhemad and Othman, Mohammad Lutfi and Aris, Ishak and Abdul Wahab, Noor Izzri and Hizam, Hashim and Emmanuel, Osaji (2017) Adverse impact of STATCOM on the performance of distance relay. Indonesian Journal of Electrical Engineering and Computer Science, 6 (3). 528 - 536. ISSN 2502-4760; ESSN: 2502-4752

Abstract / Synopsis

FACTS devices like the Static Synchronous Compensator (STATCOM), are mostly used to enhance the maximum power transfer capability of the transmission Line (TL) system. AMatlab simulation model of Distance Relay protection ofTL, with connected STATCOM at the mid-point for optimum power transfer is presented. The STATCOM’s impact on the operation of the relay is assessed with the effects on the relay misoperation in the third zone of protection coverage, during fault conditions, in four different locations.The wrong measured fault impedance by relay resulted to misoperation in zone 3 (under reach phenomena). The simulation result indicates a slight increase in the measured impedance of 1.33 Ω over the actually expected impedance setting (72.02 Ω) of the relay at 220 km protection coverage of zone 3 along the TL. This variation is about 4 km distance outside the expected distance protection coverage for fault in zone 3 as proven.

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Additional Metadata

Item Type: Article
Divisions: Faculty of Engineering
DOI Number:
Publisher: Institute of Advanced Engineering and Science
Keywords: FACTS; STATCOM; Distance relay; Impedance; Model
Depositing User: Nida Hidayati Ghazali
Date Deposited: 29 Apr 2019 14:16
Last Modified: 29 Apr 2019 14:16
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