2021
DOI: 10.1109/access.2021.3091699
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Parameter-Adaptation-Based Virtual DC Motor Control Method for Energy Storage Converter

Abstract: To suppress the influence of power fluctuation in the DC microgrid system, virtual DC motor (VDM) control is applied to the energy storage converter for improving the stability of the power system. Due to the fixed parameters adopted in the traditional VDM control strategy, the dynamic response of the system cannot be taken into account. Based on the traditional VDM control strategy,a small signal model is established to analyze the influence of the moment of inertia J and the damping coefficient D on the cont… Show more

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Cited by 22 publications
(10 citation statements)
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“…To address the aforementioned issues, experts both domestically and internationally have proposed various types of inertia control strategies, mainly including virtual element control [6][7][8][9], virtual DC generator (VDG) control [10][11][12][13][14][15][16][17], and analogous virtual generator (AVSG) control [18][19][20][21][22]. Virtual element control is often used in the form of electronic components for inertial enhancement.…”
Section: Nomenclaturementioning
confidence: 99%
“…To address the aforementioned issues, experts both domestically and internationally have proposed various types of inertia control strategies, mainly including virtual element control [6][7][8][9], virtual DC generator (VDG) control [10][11][12][13][14][15][16][17], and analogous virtual generator (AVSG) control [18][19][20][21][22]. Virtual element control is often used in the form of electronic components for inertial enhancement.…”
Section: Nomenclaturementioning
confidence: 99%
“…Bode diagram with different parameters J and D can be obtained according to formula (11), as shown in Figure 5. Because the amplitude margin of the second-order system has the characteristic of infinity, the increase of D will weaken the stability [5][6] . Therefore, J and D should be selected appropriately to meet the system's inertia requirements and stability constraints.…”
Section: Icamee-2022mentioning
confidence: 99%
“…To sum up, the VDM control strategy can effectively improve the dynamic response performance and anti-interference ability of the system, which can be introduced into the control link of CPL converter, in order to improve the negative damping characteristics of DC microgrid. The author has proposed a VDM control strategy based on parameter adaptation (Wang et al,2021). In this paper, the author study the large signal stability of DC microgrid system with VDM-controled CPL converter, the MPF method is adopted to model the large signal characterstic of load converter, derive the large signal stability criteria and the asymptotic stability region of DC microgrid, and analyze the dynamic response characteristics of thesystem under three large signal operation conditions of load step, load linear change and load fault.…”
Section: Introductionmentioning
confidence: 99%