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In Japan, the introduction of large capacity photovoltaic (PV) power generation is planned to reduce environmental burdens. The Japanese government has set the target of 53 GW of PV power generation per annum by 2030. However, large penetration of PVs will cause several problems in power systems. One of these problems is that voltage values increase with the growth of PV usage. This increase is caused...
A novel, vertically integrated filter design is used to produce a tunable UHF filter in a polymer based substrate. The filter is a sub band of a widely tunable narrowband preselect filter array and makes use of unused substrate space within the array to increase the overall tuning range of the array while keeping the substrate volume constant. This paper will discuss the use of mixed three dimensional...
In recent years, the voltage rise at the end of distribution line and the increase of harmonic voltages has become to be greatly concerned because of extreme expansion of distributed generation (DG) systems and excessive amount of static capacitors (SCs) for improving power factor. For compensating leading current and harmonic currents from consumers, the hybrid type of power quality conditioner was...
The principles and technologies of var compensation implemented with static capacitors, static Var compensator and static Var generator are concisely presents. The simulation and study for these methods are made. These methods' merits and faults are also compared through the wave analysis after simulation. It is shown the SVG is even more advantageous to dynamically improve voltage regulation, stability,...
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