A review on optimal location of FACTS devices in AC transmission system

Rawat, Nikita; Bhatt, Ankit; Aswal, Pankaj

doi:10.1109/icpec.2013.6527632

Cited by 16 publications

(6 citation statements)

References 6 publications

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“…Recently, the unbalanced power suppression method is interphase capacitor, utilizing the characteristic angles of capacitance line current vectors and phase voltage vectors to realize the transfer of active power and reactive power [8], but the active power transfer capacity of the method is relatively small, and the active power is regulated while reactive power imbalance comes into being. With the maturity of power electronic inverter technology, an active static power compensator (SPC) [9,10] has appeared. The inverter device works as a controlled current source, which outputs the unbalanced current in the active form to 2 of 26 counteract the unbalanced fundamental current produced by the load.…”

Section: Introductionmentioning

confidence: 99%

Zero-Axis Virtual Synchronous Coordinate Based Current Control Strategy for Grid-Connected Inverter

Yang¹,

Feng²,

Zhao³

et al. 2018

Energies

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Unbalanced power has a great influence on the safe and stable operation of the distribution network system. The static power compensator, which is essentially a grid-connected inverter, is an effective solution to the three-phase power imbalance problem. In order to solve the tracking error problem of zero-sequence AC current signals, a novel control strategy based on zero-axis virtual synchronous coordinates is proposed in this paper. By configuring the operation of filter transmission matrices, a specific orthogonal signal is obtained for zero-axis reconstruction. In addition, a controller design scheme based on this method is proposed. Compared with the traditional zero-axis direct control, this control strategy is equivalent to adding a frequency tuning module by the orthogonal signal generator. The control gain of an open loop system can be equivalently promoted through linear transformation. With its clear mathematical meaning, zero-sequence current control can be controlled with only a first-order linear controller. Through reasonable parameter design, zero steady-state error, fast response and strong stability can be achieved. Finally, the performance of the proposed control strategy is verified by both simulations and experiments.

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Section: Introductionmentioning

confidence: 99%

Zero-Axis Virtual Synchronous Coordinate Based Current Control Strategy for Grid-Connected Inverter

Yang¹,

Feng²,

Zhao³

et al. 2018

Energies

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“…Se destaca la aplicación de técnicas metaheurísticas como el enjambre de partículas [9], algoritmos de búsqueda gravitacional [10], y algoritmos genéticos [11], entre otros. Una revisión sobre metodologías aplicadas para la ubicación óptima de dispositivos Facts puede ser consultada en [12]. La mayoría de los métodos mencionados anteriormente buscan encontrar valores de muchas variables de optimización de manera simultánea, en un único problema de optimización que es de naturaleza no lineal, no convexa y multimodal.…”

Section: Introductionunclassified

Análisis técnico y económico para la incorporación de facts en sistemas de potencia

Jimenez

Macana²,

López-Lezama

2017

rev.ing.univ.Medellin

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This article shows a methodology for the technical and economic analysis of the incorporation of Facts devices in electrical power systems. The methodology proposed consists of a deterministic stage and a stochastic stage which involve aspects of technical and economic feasibility, respectively. The first stage is based on a non-linear binary mixed programming model developed at AMPL in order to minimize generation of safety given the location of a Facts device. The second stage employs an energetic model based on a stochastic dynamic dual programming (SDDP) which determines the cost-benefit ratios of the incorporation of Facts for different hydrothermal series. In order to illustrate the applicability of the methodology proposed, a case study is shown in the Colombian electrical system, taking into account the incorporation of a Statcom in the Atlantic Coast. Additionally, it is shown that the solution proposed resolves oscillatory instability problems of power, identified in minimum generation scenarios before critical contingencies.

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“…LITERATURE SURVEY FACTS [3] devices can regulate active and reactive power as well as voltage magnitude. Placement of these devices in suitable location can lead to the control of the power flow, bus voltage and short circuit [3]. characteristics of a fault current limiter with series compensation is provided in [4].…”

mentioning

confidence: 99%

Series FACTS controllers in industrial low voltage electrical distribution networks for reducing fault current levels

Thippana¹,

Parimi

Chandram

2021

IJPEDS

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In this paper, series FACTS devices like Thyristor control series capacitor(TCSC)and Static synchronous series compensator (SSSC) with designed control logic used to reduce the fault current located in LV distribution network at the LV busbar. The electrical distribution network in small and medium scale industries such as steel plants, process and power plants is through low voltage switchgear (LVS) fed from motor control centre (MCC) switchgear through step down transformer of 11kV or 33kV /415V. The designed switchgear in the LV side for these utilities usually is at 50kA. However, the process loads are continuously increasing and sustained with additional feeders with the existing switchgear. Consequently, the fault current at the busbar of the switchgear increases which may require the replacement of entire switchgear to the new design fault current. However, upgrading the existing switchgear is not an economical solution to the industries. Alternatively reducing the fault current at the busbar is feasible. Controller design implemented for reducing the short circuit current with series FACTS devices. A study carried on 800 MW Thermal power plant Ash handling LVS in ETAP and Matlab. It is observed that the results are encouraging to use series FACTS devices effectively in the LVS.

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A review on optimal location of FACTS devices in AC transmission system

Cited by 16 publications

References 6 publications

Zero-Axis Virtual Synchronous Coordinate Based Current Control Strategy for Grid-Connected Inverter

Zero-Axis Virtual Synchronous Coordinate Based Current Control Strategy for Grid-Connected Inverter

Análisis técnico y económico para la incorporación de facts en sistemas de potencia

Series FACTS controllers in industrial low voltage electrical distribution networks for reducing fault current levels

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