Enhancement of power system stability by using controlled series compensation

Chen, X.R.; Pahalawaththa, N.C.; Annakkage, U.D.; Kumble, C.S.

doi:10.1016/0142-0615(96)00006-3

Cited by 3 publications

(1 citation statement)

References 7 publications

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“…In the FACTS technology, Thyristor Controlled Series Compensation (TCSC) can flexibly and continuously adjust the compensation capacity and the normal order impedance of the line. The TCSC is an effective means to control the power flow and stability of the power grid (Chen et al, 1996). By appropriately adjusting the compensation amount, the TCSC can increase the damping of the system (Dolan et al, 1995;Wang F and Swift, 1997;Del Rosso et al, 2003).…”

Section: Introductionmentioning

confidence: 99%

Research on interaction of controllable series compensation and traditional PSS to suppress low-frequency oscillation

Ren²,

Chen³

et al. 2023

Front. Energy Res.

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In order to make the power transmission more stable and ensure the safe operation of the system, a study on the interaction of controllable series compensation and traditional PSS to suppress low-frequency oscillation is proposed. Firstly, the lead-slip angle is adjusted by the lead-lag module of the PSS limit stabilizer to eliminate the reverse modulation phenomenon, and the series compensation is used to optimize the parallel transmission lines and lines of different voltage levels to improve the stability of the long-distance transmission system. Secondly, the phase compensation method is used to set the parameters of the TCSC and PSS damping controllers, the characteristics of the rotor system are judged by the damping ratio, the sensitivity characteristic root is extracted, and the maximum parameters affecting the mode are determined; finally, the genetic algorithm is introduced to coordinate the damping controller to increase the oscillation. Mode damping, constraining the range of each tuning parameter, enabling coordinated optimization. Experiments show that the method in this paper can effectively suppress low-frequency oscillation and ensure the safety and stability of the power system.

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Section: Introductionmentioning

confidence: 99%

Research on interaction of controllable series compensation and traditional PSS to suppress low-frequency oscillation

Ren²,

Chen³

et al. 2023

Front. Energy Res.

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Robust nonlinear co-ordinated excitation and TCSC control for power systems

Wang

Guo

2002

IEE Proc., Gener. Transm. Distrib.

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The study on the VSC control of TCSC for damping power system low frequency oscillation

Fangcheng

Li²,

Zhang³

et al.

POWERCON '98. 1998 International Conference on Power System Technology. Proceedings (Cat. No.98EX151)

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This paper introduces a method of establishing linearized mathematical model of multi-machine power system with Thyristor Control Series Compensation (TCSC). Base on the linear model, the Variable-Structure Control (VSC) scheme of TCSC is proposed for improving the damping performance of low frequency oscillation. The results of the simulation studies show that the dynamic stability of power system is significantly improved by the VSC controller over a wide range of operating conditions.

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Enhancement of power system stability by using controlled series compensation

Cited by 3 publications

References 7 publications

Research on interaction of controllable series compensation and traditional PSS to suppress low-frequency oscillation

Research on interaction of controllable series compensation and traditional PSS to suppress low-frequency oscillation

Robust nonlinear co-ordinated excitation and TCSC control for power systems

The study on the VSC control of TCSC for damping power system low frequency oscillation

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