Dynamical Behavior Comparison Between Variable Speed and Synchronous Machines With PSS

Padoan, A.C.; Kawkabani, B.; Schwery, A.; Ramírez, Carlos; Nicolet, Christophe; Simond, J.-J.; Avellan, François

doi:10.1109/tpwrs.2009.2039586

Cited by 66 publications

(24 citation statements)

References 12 publications

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“…2. The frequency and the amplitude depend on the draft tube geometry and cavitation number σ [7].The rate of change of flow in conduit is ( 1 ) The valve characteristic in the turbine is…”

Section: Hydro Turbine Model Descriptionmentioning

confidence: 99%

“…Therefore, this study focused on operation at the part load operation. VRO is one of the important causes of the instability lies in the hydraulic system [1], [8]. If this low frequency and small amplitude oscillation persist for longer time, it limits the power transfer capacity for the large system.…”

Section: Introductionmentioning

confidence: 99%

“…The PSS is designed referring the papers [5], [6], [7] and parameters of PSS are optimized using Genetic Algorithm (GA) so that it can provide the desired performance. In [1] special optimization technique for parameters of the PSS tuning is carried out to provide damping for VRO. The author believed that the shortcoming of tuning will be eliminated by this paper.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Reducing the effect of vortex rope oscillation on hydro units by power system stabilizer designed using Genetic Algorithm

Mallik

2011

2011 Annual IEEE India Conference

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The operation under part load condition is one of the major difficulties in hydro units. Especially severe pressure oscillations can occur for Francis turbine units in part load condition. They are generated by an unsteady vortex behaviour in the draft tube, so-called vortex rope. This paper presents PSS (Power system stabilizer) design for Vortex Rope Oscillation (VRO) in single machine infinite bus system. The main motivation for this design is to stabilize or to control lowfrequency oscillation on power systems caused by VRO. The optimal parameters of the PSS are obtained employing Genetic Algorithm (GA) using Integral of Time Multiplied Absolute Value of the Error (ITAE) criteria. Finally, the simulation results of PSS behaviour for Vortex Rope Oscillation are discussed.

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“…2. The frequency and the amplitude depend on the draft tube geometry and cavitation number σ [7].The rate of change of flow in conduit is ( 1 ) The valve characteristic in the turbine is…”

Section: Hydro Turbine Model Descriptionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Reducing the effect of vortex rope oscillation on hydro units by power system stabilizer designed using Genetic Algorithm

Mallik

2011

2011 Annual IEEE India Conference

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“…The power network represented in Fig. 1 is simulated using the software package SIMSEN, developed for the simulation and the analysis of power sys tems [4], [5], [6]. The modeling of the 3 power plants are presented below.…”

Section: Modelingmentioning

confidence: 99%

Stability study of a mixed islanded power network

Padoan¹,

Nicolet²,

Kawkabani

et al. 2010

2010 IEEE/PES Transmission and Distribution Conference and Exposition: Latin America (T&D-La)

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Abstract-This paper presents the modeling, simulation and analysis of the dynamic behavior of a mixed power network of 2.78 GW including hydro, thermal and wind power plants. The modeling of each power plant is described. The set of parameters of the turbine speed governor of the hydroelectric power plant is determined with a specific identification procedure to achieve stable operation for different cases such as interconnected, isolated or islanded operation. The analysis of the stability of the entire mixed islanded power plant is investigated through time domain simulations for different sets of controllers parameters and for different disturbances (load rejection and turbulent wind speed profile).

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“…Currently, the thyristor based cycloconverter is the most widely-used converter topology of doubly-fed adjustable-speed pumped storage plants, due to the development of the power electronic devices, control strategy, etc. [3][4][5]. The cycloconverter-based adjustable speed pumped-storage hydropower plants consist of a three-phase breaker, doubly-fed induction machine (DFIM), stator and rotor transformers, and cycloconverter.…”

Section: Introductionmentioning

confidence: 99%

Frequency-Adaptive Modified Comb-Filter-Based Phase-Locked Loop for a Doubly-Fed Adjustable-Speed Pumped-Storage Hydropower Plant under Distorted Grid Conditions

2017

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Abstract:The control system of a doubly-fed adjustable-speed pumped-storage hydropower plant needs phase-locked loops (PLLs) to obtain the phase angle of grid voltage. The main drawback of a comb-filter-based phase-locked loop (CF-PLL) is the slow dynamic response. This paper presents a modified comb-filter-based phase-locked loop (MCF-PLL) by improving the pole-zero pattern of the comb filter, and gives the parameters' setting method of the controller, based on the discrete model of MCF-PLL. In order to improve the disturbance resistibility of MCF-PLL when the power grid's frequency changes, this paper proposes a frequency-adaptive modified, comb-filter-based, phase-locked loop (FAMCF-PLL) and its digital implementation scheme. Experimental results show that FAMCF-PLL has good steady-state and dynamic performance under distorted grid conditions. Furthermore, FAMCF-PLL can determine the phase angle of the grid voltage, which is locked when it is applied to a doubly-fed adjustable-speed pumped-storage hydropower experimental platform.

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Dynamical Behavior Comparison Between Variable Speed and Synchronous Machines With PSS

Cited by 66 publications

References 12 publications

Reducing the effect of vortex rope oscillation on hydro units by power system stabilizer designed using Genetic Algorithm

Reducing the effect of vortex rope oscillation on hydro units by power system stabilizer designed using Genetic Algorithm

Stability study of a mixed islanded power network

Frequency-Adaptive Modified Comb-Filter-Based Phase-Locked Loop for a Doubly-Fed Adjustable-Speed Pumped-Storage Hydropower Plant under Distorted Grid Conditions

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