Abstract
The HVDC converters used for rectifying or inverting operations absorb reactive power from the converters connected bus. Compensation of reactive power in AC side of converters is quite necessary in either case of operation. On the other hand the nonlinear behavior of power electronic converters produces harmonics in both sides of HVDC links. Passive and active filters are used to filter the harmonics. Due to the increasing interest in HVDC links, the reactive power compensation and harmonic reduction method should be improved but this increases the total cost along with the hardware complexity and control strategies of the links. In these circumstances the implementation of Vehicle to Grid (V2G) technology is used to design a shunt active filter system to improve power quality of HVDC link. The active filter controller is designed based on the instantaneous power theory (p-q theory). Simulations have been carried out which demonstrate that PHEVs have the potential to work as an active filter of HVDC to harmonics current and reactive power compensation, as a result improve the power quality.
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