Single Phase Inverters for Mitigating Phase Voltage Unbalancing of Micro Grids

Single Phase Inverters for Mitigating Phase Voltage Unbalancing of Micro Grids
Authors : Arunima V, Archana Mohan
Publication Date: 24-06-2017


Author(s):  Arunima V, Archana Mohan

Published in:   International Journal of Engineering Research & Technology

License:  This work is licensed under a Creative Commons Attribution 4.0 International License.

Website: www.ijert.org

Volume/Issue:   Volume. 6 - Issue. 06 , June - 2017

e-ISSN:   2278-0181

 DOI:  http://dx.doi.org/10.17577/IJERTV6IS060382


The production of electrical energy from renewable energy resources has lead to the development of the microgrid. One of the major power quality issue associated with the operation of these microgrids are the phase voltage unbalancing caused by single phase or unbalanced loads connected to it. All the existing technologies demands the use of an external element for the purpose of mitigating these unbalances by the application of complex controllers. In order to overcome this drawback here we come across a new inverter topology where the three phase compact unit interfacing inverter is rebuilt in the form of three single phase inverter units. Each of these are controlled independently to achieve microgrid phase voltage balancing. The distributed generation’s active and reactive power will be divided among the inverter phases with different ratios in accordance to an algorithm verifying the micro grid phase voltage balancing. In the proposed model a modification to the old inverter is given to implement the new inverter control. The proposed inverter control is very simple and highly economical attractive.


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