Publication Type:

Conference Paper

Source:

TENSYMP 2017 - IEEE International Symposium on Technologies for Smart Cities, Institute of Electrical and Electronics Engineers Inc. (2017)

ISBN:

9781509062553

URL:

https://www.scopus.com/inward/record.uri?eid=2-s2.0-85039981565&doi=10.1109%2fTENCONSpring.2017.8070108&partnerID=40&md5=3dfc1128f466e67560d811fedc55cca2

Keywords:

asynchronous generators, Damping, Different operating conditions, Eigen-value, Electric fault currents, Electric lines, Electric power transmission networks, Electric utilities, linear quadratic regulator, Series capacitor compensation, Smart city, Squirrel cage induction generators, Sub-synchronous oscillations, Subsynchronous resonance, Torsional oscillation, Wind power

Abstract:

<p>As the penetration of wind energy to the grid is increasing drastically, the transmission line must be capable of handling large power which demands the series capacitor compensation for the lines. This can result in Sub-synchronous oscillations in the system. This paper explains the detailed mathematical modeling of a Squirrel Cage Induction Generator (SCIG) based wind farm, which is interconnected to the grid through a series, compensated transmission line. The detailed Sub-synchronous Resonance (SSR) analysis has been conducted under various operating conditions such as varying wind penetration levels, varying series compensation levels and varying grid impedance levels. Damping of different modes of SSR oscillations are analysed using the eigen value method. A Linear Quadratic Regulator has been designed for damping of these oscillations. The performance of the system with the proposed controller is analyzed for different operating conditions and the performance was satisfactory. © 2017 IEEE.</p>

Notes:

cited By 0; Conference of 2017 IEEE International Symposium on Technologies for Smart Cities, TENSYMP 2017 ; Conference Date: 14 July 2017 Through 16 July 2017; Conference Code:131361

Cite this Research Publication

K. C. S. Thampatty and Parol, A., “Design of linear quadratic regulator for SCIG based wind farm to damp SSR oscillations”, in TENSYMP 2017 - IEEE International Symposium on Technologies for Smart Cities, 2017.

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