Time-Varying and Constant Switching Frequency-Based Sliding-Mode Control Methods for Transformerless DVR Employing Half-Bridge VSI

Kömürcügil, Hasan; Biricik, Samet

doi:10.1109/tie.2016.2636806

Cited by 66 publications

(35 citation statements)

References 30 publications

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“…An isolated transformer is inevitable in DVR structure to isolate the DC and AC side and to protect the device over fault conditions of the grid [115]. While some researchers try to present novel DVRs with different transformer topologies, others research on transformer fewer DVR topologies [116,117]. Researchers try to improve the performance and rating of DVR by using some kind of novel multilevel inverters and new control strategies in DVR topologies because of the unique characteristics that multilevel inverters will bring to power systems [118][119][120][121].…”

Section: Dynamic Voltage Restorer (Dvr)mentioning

confidence: 99%

An overview of power quality enhancement techniques applied to distributed generation in electrical distribution networks

Naderi

Hosseini

Zadeh

et al. 2018

Renewable and Sustainable Energy Reviews

126

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-It is obvious that power quality is an important characteristic of today's distribution power systems as loadsbecome more sensitive on the other hand nonlinear loads are increasing in the electrical distribution system. Considering the distributed nature of harmonic loads, the need for distributed power quality improvement (PQI) is inevitable. From years ago, researchers have been working on various kinds of filters and devices to enhance the overall power quality of power system, but today the nature of distribution system has been changed and power electronic based DGs play an important role in distribution grids. In this paper, a thorough survey is done on power quality enhancement devices with emphasis on ancillary services of multi-functional DGs. A literature review is also done on microgrids concept, testbeds and related control methods. Although there were some applications of DGs for PQI improvement these applications were not defined multi-functional DGs. Various control methods are studied and categorized regarding different viewpoints in the literature. Finally, a couple of thorough comparisons are done between the available techniques considering the nature, capabilities, advantages and implementation costs.

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Section: Dynamic Voltage Restorer (Dvr)mentioning

confidence: 99%

An overview of power quality enhancement techniques applied to distributed generation in electrical distribution networks

Naderi

Hosseini

Zadeh

et al. 2018

Renewable and Sustainable Energy Reviews

126

View full text Add to dashboard Cite

show abstract

“…To improve the robust stability and transient performance of control systems, sliding-mode control (SMC) has been studied by many scholars to solve the problem of nonlinear systems [18][19][20][21][22]. To enhance robustness against parameter variations and disturbances, two model-free control system structures that include sliding-mode control were proposed and verified by real-time experimental results related to the position control of laboratory equipment represented by the twin rotor aerodynamic system in Reference [18].…”

Section: Introductionmentioning

confidence: 99%

High-Gain Observer-Based Sliding-Mode Dynamic Surface Control for Particleboard Glue Mixing and Dosing System

et al. 2018

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In the process of particleboard glue mixing and dosing control under the working condition of intermediate frequency, a sliding-mode dynamic surface control strategy based on high-gain observer is proposed in this paper to deal with the problem of glue flow stability caused by strong nonlinearity. The high-gain observer (HGO) is aimed at estimating the derivative of the immeasurable system input signal for feedback, and the robustness of the system is improved by the dynamic surface control (DSC) method. Furthermore, the sliding-mode control (SMC) method is used to deal with disturbances caused by the uncertainties as well as external disturbances. It is proven that the system is exponential asymptotic stable by constructing a suitable Lyapunov function. Simulation results show that the proposed control methods can make the system track the expected flow value quickly and accurately. Finally, numerical simulation results are exhibited to authenticate and validate the effectiveness of the proposed control scheme.

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“…It is well known that sliding mode control (SMC) is a very effective control method to cope with system uncertainties and external disturbances [17][18][19][20][21][22][23][24][25][26][27]. Consequently, it has been used to synchronize FOCSs.…”

Section: Introductionmentioning

confidence: 99%

Fractional-Order Sliding Mode Synchronization for Fractional-Order Chaotic Systems

Wang

2018

Advances in Mathematical Physics

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Some sufficient conditions, which are valid for stability check of fractional-order nonlinear systems, are given in this paper. Based on these results, the synchronization of two fractional-order chaotic systems is investigated. A novel fractional-order sliding surface, which is composed of a synchronization error and its fractional-order integral, is introduced. The asymptotical stability of the synchronization error dynamical system can be guaranteed by the proposed fractional-order sliding mode controller. Finally, two numerical examples are given to show the feasibility of the proposed methods.

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Time-Varying and Constant Switching Frequency-Based Sliding-Mode Control Methods for Transformerless DVR Employing Half-Bridge VSI

Cited by 66 publications

References 30 publications

An overview of power quality enhancement techniques applied to distributed generation in electrical distribution networks

An overview of power quality enhancement techniques applied to distributed generation in electrical distribution networks

High-Gain Observer-Based Sliding-Mode Dynamic Surface Control for Particleboard Glue Mixing and Dosing System

Fractional-Order Sliding Mode Synchronization for Fractional-Order Chaotic Systems

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