Department of Electronic & Electrical Engineering, University of Strathclyde,Glasgow, UK

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Abstract: This paper sheds light on the provision of voltage control ancillary services for low voltage Distributed Generation (DG), the need for the creation of the microgrid ancillary services market, since the ancillary service network operation does not include small size energy generation. The limitations facing the participation of DG in the provision of ancillary services, the basis for the creation of a microgrid ancillary service market, the gap between the large power plants and smaller sources, as well as useful recommendations to help proffer solution to the problem were considered. This work also embraces the types of ancillary services, microgrid, distributed generations, voltage control ancillary services, the various types of voltage control service and their usefulness to power system network. The various techniques for voltage control, the relationship between reactive power and voltage control, power factor and power factor corrections as well as their effects on power system were also illustrated.

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