A single-phase self-synchronized synchronverter with bounded droop characteristics

Younis, Tarek; Ismeil, Mohamed A.; Orabi, Mohamed; Hussain, E. K.

doi:10.1109/apec.2018.8341234

Cited by 12 publications

(10 citation statements)

References 20 publications

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“…Inspired by the Park's transformation, the single-phase coordinate transformation has been achieved through orthogonal signal generation technique with 90 o spatial separations between voltage and current [51]. A second-order generalized integrator (SOGI) has been used to transform the single-phase current and voltage to the stationary reference frame (  ) [37].…”

Section: ) Power Computationmentioning

confidence: 99%

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Synchronverter: A Comprehensive Review of Modifications, Stability Assessment, Applications and Future Perspectives

et al. 2020

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The increase in the penetration of renewable energy sources (RES) has reduced the effective inertia of the power system dominated by synchronous machines. The reduction in inertia has paved the way to the development of inertia emulation techniques, which complements the increased penetration of RES. The synchronverter technology is one among the virtual inertia emulation techniques which resembles close to the synchronous machine. The advancements in control and adaptations of synchronverter for various applications demand a comprehensive yet critical review. Thus, the main objective of this paper is to present a critical review of synchronverter technology which could increase the inertial response of RES. A critical analysis of modifications made to original synchronverter and the stability assessment techniques is presented. The effect of parameter variation on stability and dynamic performance is brought out as a decision matrix by analysing the movement of eigenvalues presented in various works. Towards the end, a synoptic overview is presented to depict the research trend and emphasize the domain which requires further attention. Furthermore, a brief discussion of the research gaps perceived during the phase of review is presented to leverage future research in the field.

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Section: ) Power Computationmentioning

confidence: 99%

“…to a new point n  (37), where n and m are iterative variables. Since several poles contribute to a single dynamics of the system, a coordinated tuning approach has been used  It can also be used to directly determine the stability margin of the system.…”

Section: ) Empirical Relationshipmentioning

confidence: 99%

Synchronverter: A Comprehensive Review of Modifications, Stability Assessment, Applications and Future Perspectives

et al. 2020

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“…Synchronverter is an inverter that emulates electrical and mechanical characteristics of a synchronous machine 41 . It was published in Reference 36 for the first time in 2009 with only simulation results.…”

Section: Proposed Designmentioning

confidence: 99%

A synchronverter‐based static synchronous compensator approach to compensate nonlinear loads in wind integrated power system

Perveen

Hassan

Awais

2020

Int Trans Electr Energ Syst

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Summary The growing trends in the assimilation of renewable energy resources into power system have reduced the power quality and stability of the system. The power quality is mainly concerned with the stability of voltage, frequency, and phase angle, which are enormously affected by the heavy and nonlinear loads. This article presents a new technique of power factor (PF) correction and harmonic compensation notably for nonlinear loads in wind power systems. The controller of proposed model is based on synchronverter topology. The components used for development of the proposed model will be static therefore; it is named as static synchronous compensator (STATCOM). This model shows PF correction with incorporation of renewable source to the STATCOM structure and it also, considers the impact of nonlinear loads and proposes a control topology, and evaluates it. The proposed model is tested using a MATLAB program Simulink. The simulation results of the proposed model show that it can stabilize the PF near to unity under different load scenarios.

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“…The performance of PLL degrades with the presence of steady-state error, harmonic distortions, and voltage sags in a weak grid. Another improvement is bounded frequency and voltage, which ensures synchronverter always operates in a stable region [67]. Virtual inductors, capacitors, resistors, and anti-windup have been added to the original synchronverter to get better performance.…”

Section: Synchronvertermentioning

confidence: 99%

Virtual Inertia-Based Inverters for Mitigating Frequency Instability in Grid-Connected Renewable Energy System: A Review

2019

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This study paper presents a comprehensive review of virtual inertia (VI)-based inverters in modern power systems. The transition from the synchronous generator (SG)-based conventional power generation to converter-based renewable energy sources (RES) deteriorates the frequency stability of the power system due to the intermittency of wind and photovoltaic (PV) generation. Unlike conventional power generation, the lack of rotational inertia becomes the main challenge to interface RES with the electrical grid via power electronic converters. In the past several years, researchers have addressed this issue by emulating the behavior of SG mathematically via pulse width modulation (PWM) controller linked to conventional inverter systems. These systems are technically known as VI-based inverters, which consist of virtual synchronous machine (VSM), virtual synchronous generator (VSG), and synchronverter. This paper provides an extensive insight into the latest development, application, challenges, and prospect of VI application, which is crucial for the transition to low-carbon power system.

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A single-phase self-synchronized synchronverter with bounded droop characteristics

Cited by 12 publications

References 20 publications

Synchronverter: A Comprehensive Review of Modifications, Stability Assessment, Applications and Future Perspectives

Synchronverter: A Comprehensive Review of Modifications, Stability Assessment, Applications and Future Perspectives

A synchronverter‐based static synchronous compensator approach to compensate nonlinear loads in wind integrated power system

Virtual Inertia-Based Inverters for Mitigating Frequency Instability in Grid-Connected Renewable Energy System: A Review

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