Journal ArticleDOI
Analysis of second harmonic instability for the Chateauguay HVDC/SVC scheme
TLDR
In this article, a thorough analysis of the second harmonic resonance problem using an eigenvalue and frequency domain approach is presented, which explains the mechanism of the excitation of second harmonic instability by the presence of HVDC converters.Abstract:
The Chateauguay HVDC back-to-back scheme with interconnections to the 765 kV transmission to the USA and to Beauharnois generators can exhibit, under certain operating conditions, second harmonic resonance problems. The author presents a thorough analysis of the problem using an eigenvalue and frequency domain approach. The analysis explains the mechanism of the excitation of the second harmonic instability by the presence of HVDC converters. The influence of changing the control parameters of the static VAr compensator at the Chateauguay terminal is also studied. Finally, an assessment is made of the effectiveness of present countermeasure schemes, namely the auxiliary DC stabilizing controls and the installation of second harmonic filters. >read more
Citations
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Journal ArticleDOI
Harmonic Stability in Power Electronic-Based Power Systems: Concept, Modeling, and Analysis
Xiongfei Wang,Frede Blaabjerg +1 more
TL;DR: A systematic analysis of harmonic stability in the future power-electronic-based power systems reveals that the linearized models of ac–dc converters can be generalized to the harmonic transfer function, which is mathematically derived from linear time-periodic system theory.
Journal ArticleDOI
Harmonic Instability in MMC-HVDC Converters Resulting From Internal Dynamics
TL;DR: In this paper, a small-signal model based on dynamic phasors is introduced which takes into consideration the dynamics of internal variables, such as circulating arm currents, which have a tendency for a large second harmonic component and module capacitor voltage ripple, which has other harmonic components.
Journal ArticleDOI
Analytical modelling of HVDC-HVAC systems
TL;DR: In this paper, a new HVDC-HVAC analytical model is presented, which comprises three subsystems: AC system, PLL and DC system, and the model is structured in such a manner to enable small signal analysis of HVDc-hVAC interactions and possible problems arising from these interactions.
Journal ArticleDOI
A frequency scanning method for the identification of harmonic instabilities in HVDC systems
Xiao Jiang,Aniruddha M. Gole +1 more
TL;DR: In this article, a frequency scanning method is introduced to obtain a more accurate frequency characteristic for identifying harmonic instability in HVDC power systems, and an example of the application is used to identify the resonance frequencies in the CIGRE benchmark model.
Journal ArticleDOI
Modulation and SSR tests performed on the BPA 500 kV thyristor controlled series capacitor unit at Slatt substation
TL;DR: In this paper, a thyristor controlled series capacitor (TCSC) was used for swing damping at PGE's Boardman steam generator in the McNary mode and the best estimate is that damping was 7.33% and 8.55%.
References
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Journal ArticleDOI
Efficient Eigenvalue and Frequency Response Methods Applied to Power System Small-Signal Stability Studies
TL;DR: In this article, two efficient algorithms for frequency response and eigenvalue estimation are presented. But they are not suitable for the analysis of small signal stability of multimachine power systems.
Journal ArticleDOI
Prevention of transient voltage instabilities due to induction motor loads by static VAr compensators
A. E. Hammad,M. Z. El-Sadek +1 more
TL;DR: In this article, the application of static VAr compensators (SVC) to prevent transient voltage instability due to the presence of large induction loads at the terminals of long transmission lines is discussed.
Journal ArticleDOI
A Tool for the Comprehensive Analysis of Power System Dynamic Stability
TL;DR: The EISEMAN (EIgenSystem Evaluation-Machine And Network) tool as mentioned in this paper is a production-grade software package for use in the dynamic stability analysis of large power systems.