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Assessment of the critical clearing time in low rotational inertia power systems

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conference contribution
posted on 20.06.2018 by Francisco Gonzalez-Longatt, Jose L. Rueda, Dimitar Bogdanov
The growing share of power electronic/converter interfaced generation is decreasing the total system rotational inertia. The reduced rotational inertia in the power system has important impact on the electro-mechanical processes, the power angle and frequency evolution time are quicker resulting in faster transient processes. Rapid response of the protection systems shall be applied, in order to clear the faults in the power systems. This paper aims to identify the roots/mechanism of critical clearing time reduction/deterioration by determining/analyzing the trajectories of the critical clearing time (CCT) in low rotational inertia power systems. In this paper, the equal area criterion (EAC) is used for analysis purposes. Theoretical and practical findings demonstrate the increase of the rotational inertia increases the CCT.

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Published in

XXth International Symposium on Electrical Apparatus and Technologies. SIELA 2018

Citation

GONZALEZ-LONGATT, F.M., RUEDA, J.L. and BOGDANOV, D., 2018. Assessment of the critical clearing time in low rotational inertia power systems. Presented at the 2018 XXth International Symposium on Electrical Apparatus and Technologies (SIELA 2018), Bourgas, Bulgaria, 3-6 June 2018.

Publisher

© IEEE

Version

AM (Accepted Manuscript)

Acceptance date

01/05/2018

Publication date

2018

Notes

Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

ISBN

9781538634196

Language

en

Location

Bourgas, Bulgaria

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