Reactive power

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The requirements for grid connection of generation plants are continuously growing, with non-compliance in the case of reactive power resulting in rising additional costs, that increasingly reduce the monthly income of power production for power generators or grid operators.

Furthermore, after the enactment of such requirements, non-complying generation plants cannot be connected to the grid, or avoid qualification for reactive power bonuses.

Waveform of measured reactive power

Reactive power is typically an unwanted but unavoidable side effect of alternating current systems, but can be used as an ally for grid quality management. An intelligent combination of the existing capabilities of power production facilities and of additional modular enhancing power electronics components, together with an integral control, can result in low cost solutions, which significantly reduce initial investment when compared to conventional solutions to fully comply with the specific grid management requirements of local grid operators, thus providing an opportunity for power plant owners and operators to guarantee a higher monthly income for the whole lifespan of the generation facility.

The installation of such power electronics systems provides fast dynamic reactive power regulation, which in turn allows grid operators to achieve the goal of managing the network with improved efficiency, thus increasing the grid capacity, and as a result, more solar and wind farms can be constructed. Indeed, when rightly managed, reactive power can be used beneficially, to regulate the voltage level of electricity distribution and transmission systems.