IEEJ Transactions on Power and Energy
Online ISSN : 1348-8147
Print ISSN : 0385-4213
ISSN-L : 0385-4213
Experimental Study on Dynamic Stability Improvement of a Single-Machine Infinite-Bus Power System based on a Sliding Mode Control of Phase Shifter
Hiroyuki KaizuKazuya YokoyamaTakao SatoHisakazu Kikuchi
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1998 Volume 118 Issue 1 Pages 44-51


This paper describes the experimental study on dynamic stability improvement of a single-machine (laboratory size 3kVA generator) connected to an infinite-bus power system using a phase shifter. A phase-shift injection is implemented by thyrister-associated fast tap-chenges based on a sliding mode control during transient conditions of generator. Digital simulation studies are also carried out to test the control scheme and the dynamic performances of system. As a result, the numerical studies show good agreement with the experimental results. The proposed controller utilizing the microcomputer is verified to damp the transient swing caused by a fault in power system.

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