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Bosch has developed and demonstrated a novel direct current (DC) microgrid system that maximizes the efficiency of locally generated photovoltaic energy while offering high reliability, safety, redundancy, and reduced cost compared to equivalent alternating current (AC) systems. Several demonstration projects validating the system feasibility and expected efficiency gains have been completed and additional...
The Smart Community is a real living model community in the mountainous area that completely uses electricity from PV and distributes with DC microgrid in the range of 260 - 297 VDC. The Smart Community is located at the Chiang Mai World Green City of the Asian Development Institute for Community Economy and Technology (adiCET) in Mae Rim Campus of Chiang Mai Rajabhat University, Thailand. The community...
Direct current (DC) power grids are an interesting option for buildings to connect natural DC power sources such as photovoltaic power systems with DC loads like lighting, IT systems as well as speed-controlled electric motors of heating, ventilation and air-conditioning systems. The paper documents learnings, measurements and efficiency differences of a test bed installation with both a 230 V AC...
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