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Although the problem of reactive power planning has been extensively studied, uncertain factors are rarely taken into account in traditional reactive power compensation models. For the wind farm output randomness, the paper applies chance constrained programming theories to establish the model of multi-objective wind farm reactive power compensation, which makes voltage level and power loss as the...
This paper presents a single phase grid-connected PV system integrating energy storage system (ESS) using cascaded multilevel inverter. A Discrete Fourier Transform (DFT) Phase Locked Loop (PLL) method is proposed to improve system dynamic performance. A coordinated active and reactive power management (ARPM) strategy is developed based on the dual-stage DFT PLL method. The point of common coupling...
Voltage security is a crucial issue in power systems especially under heavily loaded condition. In the new scheme of restructuring, voltage stability problem becomes even more serious. To solve the problem, we integrate reactive power compensation concept by static synchronous compensator (STATCOM) with equivalent-current injection (ECI). We derive a new STATCOM with ECI model. This paper shows the...
When applying parallel active power filter (PAPF) to the power transmission/distribution system that contains the reactive power compensation capacitors, the capacitors can influence the system stability and the compensation performance of PAPF. In this paper, considering the influence of capacitors, the harmonics compensation and resonance damping characteristics of PAPF with traditional load current...
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