Abstract
In this paper, the control strategy for a parallel-inverters-based microgrid is presented. The control strategy includes outer active and reactive power control loop based on frequency and voltage droop method to avoid critical communications among distributed generation units (DGs). The inner inverter control loop is employed to produce the required inverter output voltage provided by the outer power loop. In addition, two inverter control schemes are introduced and compared. This microgrid can operate at both grid-connected and islanded mode with proper power sharing capability between parallel DG systems. Moreover, smooth transition between operating modes is achieved without causing negative effect on the utility and critical loads. The performance of this control strategy is verified in simulation using Matlab/Simulink.
| Original language | English |
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| Title of host publication | 2011 International Conference on Applied Superconductivity and Electromagnetic Devices, ASEMD 2011 |
| Pages | 188-191 |
| Number of pages | 4 |
| DOIs | |
| Publication status | Published - 1 Dec 2011 |
| Externally published | Yes |
| Event | 2011 International Conference on Applied Superconductivity and Electromagnetic Devices, ASEMD 2011 - Sydney, NSW, Australia Duration: 14 Dec 2011 → 16 Dec 2011 |
Conference
| Conference | 2011 International Conference on Applied Superconductivity and Electromagnetic Devices, ASEMD 2011 |
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| Country/Territory | Australia |
| City | Sydney, NSW |
| Period | 14/12/11 → 16/12/11 |
Keywords
- distributed generation units (DGs)
- droop method
- frequency and voltage regulation
- power sharing
ASJC Scopus subject areas
- Electrical and Electronic Engineering