Journal ArticleDOI
Correction to "Application of a Thyristor Controlled var Compensator for Damping Subsynchronous Oscillations in Power Systems"
A. E. Hammad,M. El-Sadek +1 more
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In this paper, a new concept for controlling static VAr compensators (SVC) in power systems is presented, which allows thyristor controlled VAR compensators to effectively damp subsynchronous resonance (SSR) oscillations besides controlling the system voltage.Abstract:
This paper presents a new concept for controlling static VAr compensators (SVC) in power systems. It allows thyristor controlled VAr compensators to effectively damp subsynchronous resonance (SSR) oscillations besides controlling the system voltage. Eigenvalue analysis and digital time simulations for the IEEE SSR benchmark system are utilized to investigate the role of the main voltage regulator of the SVC in stabilizing the system and alleviating the SSR modal interactions that may be introduced by the auxiliary speed signal alone. Stability zones are identified to optimize the compensator parameters for economical application.read more
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Thyristor-Based Facts Controllers for Electrical Transmission Systems
R. Mohan Mathur,Rajiv K. Varma +1 more
TL;DR: In this paper, the authors present a comparison of different SVC controllers for power transmission networks with respect to their performance in terms of the number of SVC inputs and outputs, as well as the frequency of the SVC outputs.
Journal ArticleDOI
Mitigation of Subsynchronous Resonance in a Series-Compensated Wind Farm Using FACTS Controllers
TL;DR: In this paper, a static var compensator (SVC) with a simple voltage regulator is employed at the induction-generator (IG) terminal in addition to the fixed shunt capacitor for dynamic reactive power support.
Journal ArticleDOI
SSR Mitigation With a New Control of PV Solar Farm as STATCOM (PV-STATCOM)
Rajiv K. Varma,R. Salehi +1 more
TL;DR: In this paper, the authors presented a novel control of a large-scale PV solar farm as STATCOM, termed PV-STATCOM, for alleviation of subsynchronous resonance (SSR) in a steam turbine driven synchronous generator connected to a series compensated transmission line.
Proceedings ArticleDOI
Mitigation of subsynchronous oscillations in a series compensated wind farm with static var compensator
Rajiv K. Varma,S. Auddy +1 more
TL;DR: In this paper, a static var compensator with a voltage controller has been employed at the induction generator terminal to damp the subsynchronous oscillations resulting from torsional interactions as well as induction generator self-excitation effects in such a wind energy conversion system (WECS).
Journal ArticleDOI
Thyristor-Controlled Reactors Nonlinear and Linear Dynamic Analytical Models
TL;DR: In this paper, a nonlinear model for the TDRSS was developed based on the use of generalized switching functions and from this model, a detailed linear model was derived, which allows for the analysis and precise understanding of the behavior of the TCR under small disturbances both in the time and frequency domains, for frequency ranges up to some tens of Hertz.
References
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Journal ArticleDOI
Effect of synchronous generator regulation on the subsynchronous resonance phenomenon in power systems
M.A. Badr,A.M. El-Serafi +1 more
TL;DR: In this article, the authors presented a rigorous mathematical technique for the evaluation of the subsynchronous resonance stability limits of regulated synchronous machines connected through series compensated transmission systems, and the results of a digital simulation of the suggested mathematical technique is also presented.