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- Title
Grid-Forming Inverter Control for Power Sharing in Microgrids Based on P / f and Q / V Droop Characteristics.
- Authors
Salem, Qusay; Aljarrah, Rafat; Karimi, Mazaher; Al-Quraan, Ayman
- Abstract
Grid-forming inverters are anticipated to be integrated more into future smart microgrids commencing the function of traditional power generators. The grid-forming inverter can generate a reference frequency and voltage itself without assistance from the main grid. This paper comprehensively investigates grid-forming inverter modelling and control methodology. A decentralized method employing an active power versus frequency P − f droop and a reactive power versus voltage Q − V droop is exploited to drive the operation of the grid-forming inverter. This decentralized method ensures balancing the supply and demand beside the power-sharing task between two or more inverters. The performance of the grid-forming inverter is examined by monitoring the frequency and RMS voltage of the inverter bus for three different periods of a varying PQ load. In addition, the performance of the resultant droop is compared with the assumed droop to validate the effectiveness of the proposed method. Finally, two grid-forming inverters equipped with the same droop characteristics are connected to a single load to observe the power-sharing concept among them. All simulations are implemented and executed using Matlab/Simulink version R2014b.
- Subjects
MICROGRIDS; REACTIVE power; VOLTAGE references; SUPPLY &; demand; SHARING
- Publication
Sustainability (2071-1050), 2023, Vol 15, Issue 15, p11712
- ISSN
2071-1050
- Publication type
Article
- DOI
10.3390/su151511712