Droop Control Strategy of Microgrid Anti-island Based on Virtual Impedance

Chen, Huaizhong; Xu, Riliang; Meng, Jun

doi:10.1007/978-981-16-5854-9_83

Cited by 1 publication

(2 citation statements)

References 5 publications

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“…Thus, the characteristic equations can be expressed as Equations (10) and (11). 5(a), when the active differential time constant Tp11 changes from 0 to , the root locus is on the left side of the imaginary axis.…”

Section: Fig 4 Modified Droop Control Block Diagrammentioning

confidence: 99%

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The Improved Control Method of Parallel Microgrid Inverters

Wang,

Miao

2023

J. Phys.: Conf. Ser.

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The parallel of inverters is inevitable in the operation of distributed generation with a Microgrid. However, due to the difference in line impedance between each parallel inverter and the public AC bus in the microgrid, the m available control method is insufficient to overcome the disadvantages such as unbalancing distribution of power, large circulating current, and poor dynamic characteristics, etc., especially when the line impedance difference is large. To conquer the above problems, the paper proposed an improved droop control strategy, in which a differential module is adapted to the droop control to improve the dynamic response. Further, a modified adaptive virtual resistance is proposed, so that the system can maintain high response speed, high stability, and robustness. These can effectively benefit power sharing and circulation suppression of parallel inverters while ensuring excellent dynamic characteristics of the system. Finally, the effectiveness of the improved control method is verified by the simulation results.

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Section: Fig 4 Modified Droop Control Block Diagrammentioning

confidence: 99%

“…The main methods are proposed through improved power and frequency control under power decoupling control [7] , droop coefficient improvement [8], and impedance modifications control [9] . Impedance control is divided into passive [10] and active. Passive is simple and easy, but the economy is poor.…”

Section: Introductionmentioning

confidence: 99%

The Improved Control Method of Parallel Microgrid Inverters

Wang,

Miao

2023

J. Phys.: Conf. Ser.

View full text Add to dashboard Cite

show abstract

Droop Control Strategy of Microgrid Anti-island Based on Virtual Impedance

Cited by 1 publication

References 5 publications

The Improved Control Method of Parallel Microgrid Inverters

The Improved Control Method of Parallel Microgrid Inverters

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