Distributed Cooperative Control for Multiple DC Electric Springs with Novel Topologies Applied in DC Microgrid

Zha, Daojun; Wang, Qingsong; Cheng, Ming; Deng, Fujin; Buja, Giuseppe

doi:10.1109/pedg.2019.8807459

Cited by 12 publications

(6 citation statements)

References 14 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The line impedance between different series-type DCES will affect the performance of the controller. In [63] and [64], a distributed cooperative control scheme is applied on the three-port DCES [60] and the shunt-type DCES to achieve the unanimous regulation of bus voltages and battery states of charge (SOC). This control scheme consists of a primary droop controller and a secondary consensus controller.…”

Section: Control and Application Of Multiple Dcesmentioning

confidence: 99%

“…A distributed cooperative control is used in [64] for multiple DC-ESs with DC/DC three-port converter, bi-directional buckboost converter and battery. Allocation of the primary and secondary control duty among multiple DC-ESs is exercised using droop and consensus, respectively while balancing the state-of-charge of the batteries associated with the DC-ESs.…”

Section: Microgridmentioning

confidence: 99%

See 1 more Smart Citation

Electric Spring and Smart Load: Technology, System-Level Impact, and Opportunities

Lee

Liu

Tan

et al. 2021

IEEE J. Emerg. Sel. Topics Power Electron.

View full text Add to dashboard Cite

Increasing use of renewable energy sources to combat climate change comes with the challenge of power imbalance and instability issues in emerging power grids. To mitigate power fluctuation arising from the intermittent nature of renewables, electric spring has been proposed as a fast demandside management technology. Since its original conceptualization in 2011, many versions and variants of electric springs have emerged and industrial evaluations have begun. This paper provides an update of existing electric spring topologies, their associated control methodologies, and studies from the device level to the power system level. Future trends of electric springs in large-scale infrastructures are also addressed.

show abstract

Section: Control and Application Of Multiple Dcesmentioning

confidence: 99%

Section: Microgridmentioning

confidence: 99%

Electric Spring and Smart Load: Technology, System-Level Impact, and Opportunities

Lee

Liu

Tan

et al. 2021

IEEE J. Emerg. Sel. Topics Power Electron.

View full text Add to dashboard Cite

show abstract

“…In addition, Tables 7 and 8 summarize recent control strategy approaches for residential power inverters with voltage levels lower than 1000 V. If the master unit fails, the whole system will fail. [118,129,132,136,[139][140][141][142][149][150][151][152][153][154][155][156][157] Averaging Control for Voltage Regulation and Current Sharing…”

Section: Low-voltage Microgrid Management and Controlmentioning

confidence: 99%

A Review of Low-Voltage Renewable Microgrids: Generation Forecasting and Demand-Side Management Strategies

et al. 2021

View full text Add to dashboard Cite

It is expected that distribution power systems will soon be able to connect a variety of microgrids from residential, commercial, and industrial users, and thus integrate a variety of distributed generation technologies, mainly renewable energy sources to supply their demands. Indeed, some authors affirm that distribution networks will propose significant changes as a consequence of this massive integration of microgrids at the distribution level. Under this scenario, the control of distributed generation inverters, demand management systems, renewable resource forecasting, and demand predictions will allow better integration of such microgrid clusters to decongest power systems. This paper presents a review of microgrids connected at distribution networks and the solutions that facilitate their integration into such distribution network level, such as demand management systems, renewable resource forecasting, and demand predictions. Recent contributions focused on the application of microgrids in Low-Voltage distribution networks are also analyzed and reviewed in detail. In addition, this paper provides a critical review of the most relevant challenges currently facing electrical distribution networks, with an explicit focus on the massive interconnection of electrical microgrids and the future with relevant renewable energy source integration.

show abstract

“…In the first, the control references of the converters generate a central controller with real-time feedback from controlled terminals [10]; however, this solution has a number of disadvantages such as its dependence on stable communication (without delays or failures) and adequate scalability [8]. The second strategy is an autonomously controlled solution [11,12]. It is based on the detection of the local DC bus voltage, which is an indicator of the balance of power flow within the DCMG.…”

Section: Introductionmentioning

confidence: 99%

Coordinated Control System between Grid–VSC and a DC Microgrid with Hybrid Energy Storage System

et al. 2021

View full text Add to dashboard Cite

Direct current microgrids (DCMGs) are currently presented as an alternative solution for small systems that feed sensitive electrical loads into DC. According to the scientific literature, DCMG maintains good voltage regulation. However, when the system is in islanded mode, very pronounced voltage variations are presented, compromising the system’s ability to achieve reliable and stable energy management. Therefore, the authors propose a solution, connecting the electrical network through a grid-tied voltage source converter (GVSC) in order to reduce voltage variations. A coordinated control strategy between the DCMG and GVSC is proposed to regulate the DC voltage and find a stable power flow between the various active elements, which feed the load. The results show that the control strategy between the GVSC and DCMG, when tested under different disturbances, improves the performance of the system, making it more reliable and stable. Furthermore, the GVSC supports the AC voltage at the point of common coupling (PCC) without reducing the operating capacity of the DCMG and without exceeding even its most restrictive limit. All simulations were carried out in MATLAB 2020.

show abstract

Distributed Cooperative Control for Multiple DC Electric Springs with Novel Topologies Applied in DC Microgrid

Cited by 12 publications

References 14 publications

Electric Spring and Smart Load: Technology, System-Level Impact, and Opportunities

Electric Spring and Smart Load: Technology, System-Level Impact, and Opportunities

A Review of Low-Voltage Renewable Microgrids: Generation Forecasting and Demand-Side Management Strategies

Coordinated Control System between Grid–VSC and a DC Microgrid with Hybrid Energy Storage System

Contact Info

Product

Resources

About