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There is a danger of power generation efficiency decreasing due to voltage increase when clustered residential PV systems are grid-interconnected to a single distribution line. As a countermeasure, installation of the reactive power control of an inverter at each residence has been considered. In the previous research we demonstrated that about 20 percent of the output suppression loss was eliminated...
Installing zero-emission power sources including photovoltaic power systems (PV) is necessary to cut greenhouse gas to reduce global warming. In Japan, the target capacity for installed PV in 2020 was set to 28 GW, which was 20 times the 2005 capacity. To achieve this target, PV should be installed in 70% of new houses. The PV output (active power) must be suppressed to sustain adequate voltage (within...
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