Modeling and simulation of SVC for reactive power control in high penetration wind power system

Pathak, Abhinav; Sharma, Mahaveer P.; Gupta, Manoj

doi:10.1109/indicon.2015.7443431

Cited by 12 publications

(3 citation statements)

References 10 publications

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“…In order to handle grid challenges that occur as a result of high penetration of renewables, a number of solutions have often surfaced in the literature on this subject. These methods are compensation of reactive power through controllers [66,67], the use of storage systems in the network [68][69][70][71], control techniques that mimic the operation of synchronous generators [72] and the management of changes in the power demand of thermostatic loads [73,74].…”

Section: Case Studies Of Dg Being Used To Resolve Grid Turbulencementioning

confidence: 99%

Distributed Generation and Renewable Energy Integration into the Grid: Prerequisites, Push Factors, Practical Options, Issues and Merits

et al. 2021

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Power system operators are in search of proven solutions to improve the penetration levels of distributed generators (DGs) in the grid while minimizing cost. This transition is driven, among others, by global climate concerns, the growing power demand, the need for greater flexibility, the ageing grid infrastructure and the need to diversify sources of energy production. Distributed renewables would not easily substitute the conventional electric grid system, perhaps because the latter is a well-established technology and it would not be prudent to abandon it, while the new distributed renewable energy technologies are generally not adequately developed to support the total load. Thus, it is becoming increasingly necessary to consider sustainable options such as integrating renewable energy sources into the existing power grid. This study is a review that is mainly hinged on distributed generation (DG) classification, the challenges of DG to grid integration, practical options used in DG integration, lessons learned from some countries with successful DG to grid integration, push factors in the growth of DGs and the merits of DG to grid integration. These standpoints of DG to grid interconnection are critical in conducting grid planning and operational studies, which should be conducted in strict observance of aspects such as optimal technology selection, optimal capacity and a suitable connection point of DGs in the network. Therefore, the perspectives highlighted regarding DG can assist power system engineers, developers of DG plants and policymakers in developing a power network that is stable, efficient and reliable.

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Section: Case Studies Of Dg Being Used To Resolve Grid Turbulencementioning

confidence: 99%

Distributed Generation and Renewable Energy Integration into the Grid: Prerequisites, Push Factors, Practical Options, Issues and Merits

et al. 2021

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“…The terminal bus voltage is usually the power system control variable. The popular SVC configuration consists of two configurations, namely a fixed capacitor (FC) and thyristor controlled reactor (TCR) configuration, as well as a thyristor switch capacitor (TSC) and TCR configuration [8]. The SVC behaves as a capacitor or inductor set within the minimum or maximum susceptance limits.…”

Section: B Shunt Fact Controllermentioning

confidence: 99%

Improvement of Static Voltage Stability of 16-Bus Bali System by Optimal Placement of SVC

Agustini

Wartana

Lomi

2021

ijsgset

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In a power system, the reactive power imbalance is related to the stability of the static voltage because the injection of reactive power that the bus receives from the system determines the bus's capability in the system. Rapid increases in real and reactive power losses occur as the system approaches the voltage drop point or the maximum load point. It is necessary to support local and adequate reactive power to avoid system leading to be voltage collapse. This study analyzes the improvement of the margin of static voltage stability using one type of modern control equipment of shunt flexible AC transmission system (FACTS), namely the static var compensator (SVC). The controller's representations are used in the continuation power flow (CPF) process to study static voltage stability. The proposed method's effectiveness has been investigated using a practical test system, namely the Bali 16-bus system, to increase the system loading capacity. The simulation was carried out by installing a modern controller in the best location, namely on bus 07 ASARI; an increase in system margin loading closed to 2% compared to the base case condition, namely λmax = 1,879 p.u with the voltage profile not changing significantly.

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“…In this route, control of power converters in microgrid structures is an important issue regarding large shares of RERs along with highly controllable power processors based on power electronics [11]. To deal with the unstable behaviors of the grid due to the renewables integration at a large scale, several solutions have frequently been considered in the literature that are the reactive power compensation-based controllers [12,13], the distributed energy storage systems [14][15][16][17], emulated synchronous generator (SG)-based control strategies [18,19], and the demand response from thermostatically controlled loads [20,21].…”

Section: Introductionmentioning

confidence: 99%

Large-Scale Grid Integration of Renewable Energy Resources with a Double Synchronous Controller

et al. 2019

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This paper provides virtual inertia and mechanical power-based double synchronous controller (DSC) for power converters based on the d- and q-components of the converter current to assure the stable operation of the grid with the penetration of large-scale renewable energy resources (RERs). The DSC is projected based on emulating both the inertia and mechanical power variables of the synchronous generators (SGs), and its performance is compared with a non-synchronous controller (NSC) that is without these emulations. The main contributions of the DSC are providing a large margin of stability for the power grid with a wide area of low and high values of virtual inertia, also improving significantly power grid stability (PGS) with changing properly the embedded virtual variables of inertia, mechanical power, and also mechanical power error. Also, decoupling features of the proposed DSC in which both d and q components are completely involved with the characteristics of SGs as well as the relationship between the interfaced converter and dynamic models of SGs are other important contributions of the DSC over the existing control methods. Embedding some coefficients for the proposed DSC to show its robustness against the unknown intrinsic property of parameters is another contribution in this paper. Moreover, several transfer functions are achieved and analyzed that confirm a more stable performance of the emulated controller in comparison with the NSC for power-sharing characteristics. Simulation results confirm the superiority of the proposed DSC in comparison with other existing control techniques, e.g., the NSC techniques.

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Modeling and simulation of SVC for reactive power control in high penetration wind power system

Cited by 12 publications

References 10 publications

Distributed Generation and Renewable Energy Integration into the Grid: Prerequisites, Push Factors, Practical Options, Issues and Merits

Distributed Generation and Renewable Energy Integration into the Grid: Prerequisites, Push Factors, Practical Options, Issues and Merits

Improvement of Static Voltage Stability of 16-Bus Bali System by Optimal Placement of SVC

Large-Scale Grid Integration of Renewable Energy Resources with a Double Synchronous Controller

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