Considerations for the application of series capacitors to radial power distribution circuits

Miske, S.A.

doi:10.1109/61.915500

Cited by 38 publications

(19 citation statements)

References 7 publications

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“…Load can change from hour to hour, at strong load variations and second to second when motor are started. In this case, series capacitor will improve instantaneously the voltage quality at the loads downstream from the series capacitor [1,2]. According to equations (1) and (2) the demanded reactive and active power can be expressed as follows:…”

Section: Objective Functionmentioning

confidence: 99%

“…), the load magnitude P and Q, the inductive reactance of the feeder X L and capacitive reactance of series capacitor Xc [1]. The objective function can be minimized increasing the voltage profile at load F 2 and respecting all the stability constraints.…”

Section: Objective Functionmentioning

confidence: 99%

“…By degrees higher than 100%, it is said that the distribution network is overcompensated and the ferroresonance phenomenon is caused [1]. Series compensation degree is defined by (10) :…”

Section: Series Compensation Degree Himentioning

confidence: 99%

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Optimisation du taux de compensation série d'une longue ligne de distribution :

Fernandez-Ramirez¹

2006

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This research work concerns an application of series compensation technique for long distance distribution network. Research aims at the development of an optimization method to compute the suitable degree of series compensation in order to improve performances of the radial distribution network. This method defines as the objective function the voltage variation on the distribution une which will be minimized subject to stability constraints to respect. The constraints are based on the concept of transient and steady state stabilities; those constraints are: maximum power transfer, losses of reactive power, oscillations of the motor speed, the phenomenon of flicker, the short circuit current inversion and sub-synchronous resonance SSR. All components of the optimization method are formulated as algebraic equations and inequations.The numerical implementation of me work is carried out using the Matlab/Sys powersystems software. Performances of the distribution network topology are studied by several simulation scenarios. INTRODUCTIONAu cours des dernières années, la croissance constante de la population a forcé les compagnies d'électricité à entreprendre des nouveaux projets énergétiques pour fournir un service de bonne qualité aux utilisateurs résidentiels et industriels. Mais ces projets ont exigé de grands investissements dans la recherche de nouvelles solutions qui permettraient de maintenir la stabilité des réseaux électriques à travers les technologies dont les objectifs viseront à améliorer des variables tels que le transfert de la puissance aux niveaux exigés, le maintien des valeurs de tension acceptables ainsi que le facteur de puissance approprié entre autres variables importants.

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Section: Objective Functionmentioning

confidence: 99%

Section: Objective Functionmentioning

confidence: 99%

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Optimisation du taux de compensation série d'une longue ligne de distribution :

Fernandez-Ramirez¹

2006

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“…The capacitor and the transformer are at great risk of damage if ferroresonance occurs. To manage these potential hazards, a detailed analysis on the use of series capacitors in distribution lines is needed [2,6].…”

Section: Introductionmentioning

confidence: 99%

“…For a long time, series capacitors have been successfully used in transmission lines for improving system performances [1][2]. In distribution systems, the main benefit of series capacitors is the natural voltage control achieved by changes in load current.…”

Section: Introductionmentioning

confidence: 99%

Series Compensation for Hydro-Quebec Long Distribution Lines

Wamkeue¹,

Kandil²,

East³

et al. 2003

REPQJ

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Abstract. The paper focuses on the use of series compensation in a Hydro-Quebec long distribution line. The basic theory of a series compensation is outlined together with operation network constraints that should be respected in practical applications. The study is done on a 60km radial distribution line supplying both industrial and residential customers. Three levels of compensation rate have been tested, 0% (non compensated), 36% and 60% in both frequency response and time domains. Simulation results greatly attest the effectiveness and the practicability of the series compensation of long distribution line in transient and steady state improvement of the voltage profile and fluctuation reduction.

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Optimum estimation of series capacitors for enhancing distribution system performance via an improved hybrid optimization algorithm

Mohamed

Abdelaziz

Darwish

et al. 2023

Energy Science & Engineering

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As the load on distribution networks grows, system operators and planners are constantly challenged with the issue of voltage regulation or enhancing the quality of supply to customers at the load end of lengthy distribution lines. This paper presents the optimum determination of series capacitor units in a distribution system to maximize energy-saving and enhance voltage levels. Interestingly, series capacitors can enhance the capability of transmission lines, reduce line losses, enhance the performance of buses with large induction motor loads and reduce voltage flicker. At the same time, the limitations of series compensation are taken into consideration while calculating its optimum values. To achieve the planning objective and optimal load flow objective, two strategies: The Improved Grey Wolf Optimization method (I-GWO) and Tabu Search (TS), are hybridized to get the benefit of their advantages. The I-GWO has a movement strategy called dimension learning-based hunting for enhancing the balance between global and local search and maintaining diversity. The proposed (I-GWO-TS) algorithm can solve mixed-integer programming to achieve the planning and the optimal load flow objectives. The proposed method can be applied to a real Egyptian distribution system that is heavily loaded, with poor voltage regulation, and also has high-power losses. The obtained results demonstrate the capability of the proposed approach to determine optimal series capacitors' location and sizing for maximization of energy saving. Further, the proposed method improves the network performance regarding the voltage profile and power losses, although the limitations of including series compensation were considered in the distribution system.

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Considerations for the application of series capacitors to radial power distribution circuits

Cited by 38 publications

References 7 publications

Optimisation du taux de compensation série d'une longue ligne de distribution :

Optimisation du taux de compensation série d'une longue ligne de distribution :

Series Compensation for Hydro-Quebec Long Distribution Lines

Optimum estimation of series capacitors for enhancing distribution system performance via an improved hybrid optimization algorithm

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