Photovoltaic (PV) solar generation is one of the most promising renewable generation technologies that can potentially help electric utility companies meet the Renewable Portfolio Standards (RPS) target. This paper presents potential transient over-voltage issues associated with PV solar generators, as identified in interconnection studies. The paper provides analysis of bus voltage response due to PV solar interconnection. Some of the factors affecting bus voltage profile such as PV solar generator model, size, inverter control parameters, electrical distance from the point of interconnection to the main system, and interconnection voltage level of the PV solar generator have been investigated. Simulation results from the coordination of PV solar and other reactive power resources, such as Static Var Compensators (SVC) and synchronous generators have also been analyzed.
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Zhang et al. (2010) studied this question.