Control issues of inverters in the formation of L. V. micro-grids

The autonomous operation of micro-grids is a very promising function in terms of reliability and power quality. The micro-grid is an all-electronic inertia less system and its isolated operation is based on the control of the inverters that connect storage devices and micro-sources of regulated outp...

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Bibliographic Details
Main Authors: Soultanis, N.L., Hatziargyriou, N.D.
Format: Conference Proceeding
Language:English
Subjects:
distributed generation (DG)
Frequency
inverter control
Inverters
low voltage networks
micro-grids
Power generation
Power quality
Power system modeling
Power system reliability
Power systems
Synchronous generators
Transfer functions
Voltage control
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Summary:The autonomous operation of micro-grids is a very promising function in terms of reliability and power quality. The micro-grid is an all-electronic inertia less system and its isolated operation is based on the control of the inverters that connect storage devices and micro-sources of regulated output to the L.V. grid. The inverter control has to ensure the stability of the system following any disturbance and the transition to a new steady state in a specified manner. The integration of the micro-sources in a predominantly resistive grid, such as the L.V. network, entails certain implications in the design. In this work, the micro- grid control is investigated employing conventional control techniques such as the root locus and the frequency domain analysis.
ISSN:1932-5517
DOI:10.1109/PES.2007.386118