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It is expected that large capacity distributed generation (DG) systems including photovoltaic (PV) power systems will be installed in future power systems. When the capacity of PV power systems installed in the distribution system increases, reverse power flow may cause problems. To deal with these problems, control equipment such as static var compensators and storage batteries can be used. However...
When the volume of the distributed generation (DG) is increased, the voltage variation may occur in the distribution line. To keep the distribution line voltage for smooth power supply, a research project ldquoDemonstrative Project on Power Network Technologyrdquo was carried out from 2004 to 2008 under the research contract with the New Energy and Industrial Technology Development Organization (NEDO)...
We have developed a browsing tool for visualizing information about geographic surfaces using map-based augmented reality (AR). Map-based AR technology enables virtual objects to be overlaid on an actual map, creating a tangible user interface. In map-based AR applications, a virtual lens pointer is often used for object selection. However, this type of interaction is difficult when there are many...
The influence of insulating layers in laminated heads on the head recording pattern was investigated, using the Bitter method and computer simulations. Some unrecorded areas exist on recorded tracks, and these correspond to the positions of insulating areas on the trailing side. An unrecorded area becomes wider as the magnetomotive force is increased. The size of an unrecorded area depends on the...
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