Transient Stability Analysis and Control Design of Droop-Controlled Voltage Source Converters Considering Current Limitation

Huang, Linbin; Xin, Huanhai; Wang, Zhen; Zhang, Leiqi; Wu, Kuayu; Hu, Jiabing

doi:10.1109/tsg.2017.2749259

Cited by 289 publications

(144 citation statements)

References 37 publications

Supporting

Mentioning

142

Contrasting

Unclassified

Order By: Relevance

“…As mentioned before, current saturation is an inherent limitation of any converter control architecture often causing instability see e.g. [134], [135] for the case of droop control. However, in the authors' experience, these limitations are especially pronounced when emulating synchronous machine dynamics.…”

Section: ) Operation Of Low-inertia Sourcesmentioning

confidence: 99%

Foundations and Challenges of Low-Inertia Systems (Invited Paper)

Milano

Dörfler

Hug

et al. 2018

2018 Power Systems Computation Conference (PSCC)

598

458

View full text Add to dashboard Cite

The electric power system is currently undergoing a period of unprecedented changes. Environmental and sustainability concerns lead to replacement of a significant share of conventional fossil fuel-based power plants with renewable energy resources. This transition involves the major challenge of substituting synchronous machines and their well-known dynamics and controllers with power electronics-interfaced generation whose regulation and interaction with the rest of the system is yet to be fully understood. In this article, we review the challenges of such low-inertia power systems, and survey the solutions that have been put forward thus far. We strive to concisely summarize the laidout scientific foundations as well as the practical experiences of industrial and academic demonstration projects. We touch upon the topics of power system stability, modeling, and control, and we particularly focus on the role of frequency, inertia, as well as control of power converters and from the demand-side.

show abstract

Section: ) Operation Of Low-inertia Sourcesmentioning

confidence: 99%

Foundations and Challenges of Low-Inertia Systems (Invited Paper)

Milano

Dörfler

Hug

et al. 2018

2018 Power Systems Computation Conference (PSCC)

598

458

View full text Add to dashboard Cite

show abstract

“…In [142], a virtual power-angle instability considering an active power disturbance is analysed using the virtual power-angle curves of a converter connected to an infinity bus. In [143], as an extension of previous work, the large-disturbance stability of a droop-controlled DG unit is theoretically studied based on complicated dynamic behaviour. A 13th-order non-linear model of a dc/ac converter for gaining insights into the transient stability of converter-based microgrids is developed in [144].…”

Section: Challenges Of Microgridsmentioning

confidence: 98%

Evolution of Microgrids with Converter-Interfaced Generations: Challenges and Opportunities

Hossain¹,

Pota²,

Hossain³

et al. 2018

Preprint

View full text Add to dashboard Cite

Although microgrids facilitate the increased penetration of distributed generations (DGs) and improve the security of power supplies, they have some issues that need to be better understood and addressed before realising the full potential of microgrids. This paper presents a comprehensive list of challenges and opportunities supported by a literature review on the evolution of converter-based microgrids. The discussion in this paper presented with a view to establishing microgrids as distinct from the existing distribution systems. This is accomplished by, firstly, describing the challenges and benefits of using DG units in a distribution network and then those of microgrid ones. Also, the definitions, classifications and characteristics of microgrids are revised according to their specific roles to provide a sound basis for novice researchers to undertake ongoing research on microgrids.

show abstract

“…The fault clearance in 150ms results in a stable resynchronization, while, when the fault duration is higher, the angle diverges, which yields a transient instability. More details on the transient stability analysis of this phenomenon can be found in [41], [45], [48]- [50].…”

Section: Response To Large Events and Transient Stabilitymentioning

confidence: 99%

A PLL-Free Grid-Forming Control With Decoupled Functionalities for High-Power Transmission System Applications

et al. 2020

View full text Add to dashboard Cite

This paper proposes a grid-forming control strategy with a generic implementation approach to meet the transmission system requirements asking for the massive integration of power electronic devices into the power systems. In this context, several grid-forming controls have been proposed in the literature either with or without a Phase-Locked Loop (PLL). The PLL-based techniques allow decoupling the different control functionalities (i.e. inertia emulation, frequency support, active power setpoint tracking in steady-state) while the PLL-free schemes, which aim to avoid the PLL drawbacks, create a compulsory coupling between the control functionalities. The proposed grid-forming control in this paper is able to decouple the control functionalities without any dedicated PLL, which makes it more advantageous compared to what have been already proposed in the literature. Since the power converters are exposed to the small and large grid events, the presented control has been tested in both situations. For the small grid events, a simplified small-signal model is developed to assess the active power and frequency dynamics. In case of large grid events, a current limitation algorithm is included to the control in order to protect the power converter. To deal with the transient stability issues linked to the current limitation and enhance the converter performance during the post-fault, a method based on adaptive inertia constant is proposed. To validate the overall approach, time-domain simulations (in Matlab-Simulink) and experimentations are performed. INDEX TERMS Active power regulation, current limitation, fast frequency response, grid-forming control, inertial effect, transient stability. This article has been accepted for publication in a future issue of this journal, but has not been fully edited. Content may change prior to final publication. Citation information: DOI 10.1109/ACCESS.2020.3034149, IEEE Access T. Qoria et al.: Preparation of Papers for IEEE TRANSACTIONS and JOURNALS Rc, Lc i gabc v gabc Rg, Lg

show abstract

Transient Stability Analysis and Control Design of Droop-Controlled Voltage Source Converters Considering Current Limitation

Cited by 289 publications

References 37 publications

Foundations and Challenges of Low-Inertia Systems (Invited Paper)

Foundations and Challenges of Low-Inertia Systems (Invited Paper)

Evolution of Microgrids with Converter-Interfaced Generations: Challenges and Opportunities

A PLL-Free Grid-Forming Control With Decoupled Functionalities for High-Power Transmission System Applications

Contact Info

Product

Resources

About