Active Suppression of Selected DC Bus Harmonics for Dual Active Bridge DC–DC Converters

Riedel, J.; Holmes, D.G.; McGrath, Brendan; Teixeira, C. A.

doi:10.1109/tpel.2016.2647078

Cited by 32 publications

(13 citation statements)

References 18 publications

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“…The DC subgrids harmonics, particularly the low-order harmonics, are mainly introduced by the AC-side harmonics or unbalanced three-phase AC voltage. Also, the DC harmonics can be produced by DC-DC converters' control in the DC side such as maximum power point tracking control of PV systems [157], [158], or LC oscillation due to parasitic DC line impedance [159].…”

Section: Control Of Ifcs For Harmonic Compensation In DC Subgridmentioning

confidence: 99%

“…Since the DC 2 nd order ripples are usually caused by the unbalanced AC voltage, the current positive and negative sequence components can be controlled, which are widely used for unbalanced control [66], [161], [162]. [159], [164]. In the hybrid AC-DC microgrid, distributed DC-APFs can be coordinated to share the harmonic compensation [164].…”

Section: Control Of Ifcs For Harmonic Compensation In DC Subgridmentioning

confidence: 99%

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Power Quality Control of Smart Hybrid AC/DC Microgrids: An Overview

2019

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Today, conventional power systems are evolving to smart grids, which encompass clusters of AC/DC microgrids, interfaced through power electronics converters. In such systems, increasing penetration of the power electronics-based distributed generations, energy storages, and modern loads provide a great opportunity for power quality control. In this paper, an overview of the power quality control of smart hybrid AC/DC microgrids is presented. Different types of power quality issues are studied first, with consideration of real-world hybrid microgrid examples, including data centers, electric railway systems, and electric vehicles charging stations. It shows that compared to traditional centralized power quality compensations, smart interfacing power converters from distributed generations, energy storages, and loads, and the AC and DC subgrids interfacing converters are promising candidates for power quality control. To realize the smart interfacing converters' power quality control, both primary converters control and secondary system coordination are required. In this paper, a thorough review of the primary control of interfacing converters to integrate the power quality compensation are presented, with a focus on the hybrid AC/DC microgrid harmonics compensation and unbalance compensation. For multiple interfacing converters, the secondary control with system-level coordination and optimization for harmonics and unbalance compensation (considering both unbalance and harmonics in single-phase and three-phase systems) are also presented. Challenges like low switching frequency of interfacing converters, parallel interfacing converters operation, and interfacing converters communications are discussed, and typical solutions for primary and secondary controls to deal with them are presented. The paper also includes rich case study results.INDEX TERMS Harmonic compensation, hybrid AC/DC microgrid, interfacing power electronics converters, power quality, primary and secondary control, smart converters, smart grids, unbalance compensation.

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Section: Control Of Ifcs For Harmonic Compensation In DC Subgridmentioning

confidence: 99%

Section: Control Of Ifcs For Harmonic Compensation In DC Subgridmentioning

confidence: 99%

Power Quality Control of Smart Hybrid AC/DC Microgrids: An Overview

2019

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“…However, for those methods, a specific analysis and design of the transformer layer structure are needed. For the active solution of the current ringing mitigation, research in [51] uses the active harmonic suppression strategy in the modulation to decrease the DC bus harmonic of DAB. Yet in those studies, only the impact of the sole parasitic of the single magnetic component is considered.…”

Section: Introduction He Dab Convertermentioning

confidence: 99%

Transformer Current Ringing in Dual Active Bridge Converters

Qin

Shen

Blaabjerg

et al. 2021

IEEE Trans. Ind. Electron.

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“…The DC − DC conversion technology has evolved as a major area of research in the power electronics and drives field. DC − DC converters (Chen et.al, 2017), (Forouzesh et.al, 2017), (Riedel et.al, 2017) are nothing but electrical circuits which can transport the energy to a load. In such sorts of converters, the switches can either be diodes or transistors.…”

Section: Introductionmentioning

confidence: 99%

Designing Proportional Integral Controller for a Solar Powered DC‐DC Converter Using PIPSO Algorithm and Deep Learning approach in Intelligent Bio‐Medical Applications

Rajarajacholan¹,

Moses

Banu

2020

Expert Systems

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Numerous engineering complexities are simplified using optimization algorithms. In a solar power system, the necessity of the voltage regulator is obvious. To control the regulator existent research works used PI, PID controllers that might have an unwanted transient response. To overcome such drawbacks here, a fresh scheme is proposed for the designing of the adaptive sliding mode (SM) controller of a solar powered LUO converter using optimization algorithms. The PSO ('Particle Swarm Optimization') is proved to expedite the convergence characteristic for many applications. Here, an ameliorated PSO version is developed. This algorithm is termed the Parameter Improved-PSO (PIPSO) algorithm. In this algorithm, the parameters, say, inertia weight, social along with cognitive agents is updated in every generation. The Proportional Integrator (PI) controller is used. The gain of this controller is tuned using the PIPSO. This algorithm's objective function is to lessen ISE ('Integral Squared Error') of the converter's output voltage. This parameter is picked as the objective function of the optimization algorithm. The proposed PIPSO is established to show better outcomes when contrasted to the traditional PSO concerning tuning a collection of parameters. An analysis is also made to evaluate the effect of usage of the solar panel () in the proposed work. K E Y W O R D S integral squared error, parameter improved particle swarm optimization, proportional integral controller, proportional integral controller, solar panel 1 | INTRODUCTION The continuous growth for global demand and environmental concern has lead to the exploration of Renewable Energy (RE) sources. As contrasted to all other 'RE' sources (Mekhilef, et.al, 2011) the photo-voltaic (PV) energy has advantages such as no noise, cleanliness, along with very less maintenance. The PV (Sangwongwanich, 2018) systems are broadly used for low power electrical generation. This paper attempts to use non-RE as the voltage source input. The DC − DC conversion technology has evolved as a major area of research in the power electronics and drives field. DC − DC converters (Chen et.al, 2017), (Forouzesh et.al, 2017), (Riedel et.al, 2017) are nothing but electrical circuits which can transport the energy to a load. In such sorts of converters, the switches can either be diodes or transistors. The voltage value (transferred) relies upon the switches' duty ratios. The DC − DC converters are extensively utilized on industrial applications along with computers hardware circuits. A disparity of the PI-Derivative (PID) control that utilizes just the proportional and integral terms is called PI control. The PI is further widely utilized than the PID.

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Active Suppression of Selected DC Bus Harmonics for Dual Active Bridge DC–DC Converters

Cited by 32 publications

References 18 publications

Power Quality Control of Smart Hybrid AC/DC Microgrids: An Overview

Power Quality Control of Smart Hybrid AC/DC Microgrids: An Overview

Transformer Current Ringing in Dual Active Bridge Converters

Designing Proportional Integral Controller for a Solar Powered DC‐DC Converter Using PIPSO Algorithm and Deep Learning approach in Intelligent Bio‐Medical Applications

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