FLC based on static var compensator for power system transient stability enhancement

Hassan, Mojeebalrhman M. A.; Sun, Xianghong; Ate, Abdelrahim

doi:10.12928/telkomnika.v18i5.15605

Cited by 6 publications

(6 citation statements)

References 17 publications

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“…The proportional integral controller output is the sum of the proportional and integral controller outputs. For PI controller, the process inputs are u(t) and the reference inputs are r(t) [25], [26]. In order to sort out and reduce the steady-state error, the proportional integral controller is utilized.…”

Section: Dpfc With Proportional Integral Controllermentioning

confidence: 99%

Distributed power flow controller based on fuzzy-logic controller for solar-wind energy hybrid system

Sree

Rao

2022

IJPEDS

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The demand of electricity globally led to the concept of renewable energy resources for power generation that are eco-friendly and freely available from nature. The solar photovoltaic systems and wind-based power generators are considered as primary renewable resources and are called as Distributed Generation units as they are scattered in nature. These are operated with bidirectional converters by providing auxiliary services at grid side and load side in either mode of microgrid operation. Besides, the DC power generation units’ integration gets converted into AC system by means of inverters. These types of systems not only increase voltage and current harmonics, power frequency deviations but also drive the distribution system to risky operating zone. This emphasizes the stipulation of advanced control schemes for microgrid architecture. Consequently, power electronic converters introduce harmonics in the system and affect the system performance. To report these expanded issues, the authors recognized an advanced custom power device entitled distributed power flow controller. The proposed hybrid solar-wind energy system is first studied with a distributed power-flow controller. Later the system is examined by replacing proportional integral controller with fuzzy logic controller (FLC) for shunt control of distributed power-flow controller. To validate the investigations, MATLAB/Simulink software is used.

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Section: Dpfc With Proportional Integral Controllermentioning

confidence: 99%

Distributed power flow controller based on fuzzy-logic controller for solar-wind energy hybrid system

Sree

Rao

2022

IJPEDS

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“…The dynamic equations of the DG grid connection with the MVDC are shown in ( 1)-( 7), ( 10)- (11), and ( 12)-( 16). This paper uses the linear approximation technique [20] to study the system's dynamic behavior.…”

Section: Vsc2 Controller Designmentioning

confidence: 99%

“…Therefore, the oscillation problem is essential and may lead to not continuing operations to connect the synchronization DG in the power system [8]. In the transmission system, the high voltage direct current (HVDC) transmission line and the flexible AC transmission systems (FACTS) family with power oscillation damping mod has been popularly applied to power grids to improve the power oscillation [9]− [11]. Since the HVDC and FACTS include the main part with the Voltage Source Converter (VSC) that has the advantage of independent and fast control of active and reactive powers, the power oscillation can be controlled.…”

Section: Introductionmentioning

confidence: 99%

Power oscillation damping control using PI-neuron network controller for distributed generator grid connection with MVDC

Somsai

Sripanya

Sumpavakup

2022

IJPEDS

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Distributed generator (DG) connection to the system with the DC grid called medium voltage direct current (MVDC) grid connection has received attention and gradually integrated into the distribution grid. The linear controller, such as the PI controller, usually uses the MVDC grid control for power oscillation damping. The PI controller is limited and does not show satisfactory results when the load and parameters of the system itself are changed. This paper proposes the PI with neuron network (NN) as a feed-forward controller (PINNF) to improve the control of the DG grid connection with the MVDC. The proposed PINNF controller is applied to control the power oscillation damping. Since the NN can estimate the proper feed-forward control signals in each situation to the control system, the proposed PINNF controller performs better than the conventional PI controller. The effectiveness of the proposed PINNF controller is validated using nonlinear dynamic simulations on the MATLAB/Simulink program. Four case tests are presented and discussed in this paper. Results indicate the improvement of power oscillation damping stability and performance in the MVDC grid connection with the proposed PINNF controller.

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“…By strategically placing a static var compensator (SVC) on the grid, a multi-objective problem involving increasing system loading and reducing power loss was solved [22]. Fuzzy-SVC controller is suggested in [23] to improve the system's transient stability. A modified differential algorithm based on statistical analysis is proposed in [24] for optimal reactive power dispatch.…”

Section: Introductionmentioning

confidence: 99%

Series and shunt FACTS controllers based optimal reactive power dispatch

Kar,

Parida,

Dash

2024

IJAPE

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Optimal reactive power dispatch involves the determination and management of reactive power resources in a power system to maintain voltage stability, improve power transfer capability, and minimize system losses. Reactive power is essential for maintaining voltage levels within acceptable limits and ensuring the reliable operation of electrical networks. The whale optimization algorithm (WOA) has been proposed to obtain the optimal location of flexible alternating current transmission system (FACTS) components. The efficacy of WOA is tested using conventional IEEE 14 and 30 bus test systems. Static var compensator (SVC) is used as shunt and the thyristor-controlled series capacitor (TCSC) as a series FACTS controller. The analysis is carried out for both the systems with and without FACTS controllers. Optimization techniques are applied to select the optimal control parameters. The suggested strategy is compared to other contemporary techniques such as particle swarm optimization (PSO) and grey wolf optimization (GWO). At various loading situations, the WOA-based technique outperforms other two techniques.

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FLC based on static var compensator for power system transient stability enhancement

Cited by 6 publications

References 17 publications

Distributed power flow controller based on fuzzy-logic controller for solar-wind energy hybrid system

Distributed power flow controller based on fuzzy-logic controller for solar-wind energy hybrid system

Power oscillation damping control using PI-neuron network controller for distributed generator grid connection with MVDC

Series and shunt FACTS controllers based optimal reactive power dispatch

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