{Loss evaluation of dc distribution for residential houses compared with ac system}
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| Title | {Loss evaluation of dc distribution for residential houses compared with ac system} |
| Publication Type | Conference Paper |
| Year of Publication | 2010 |
| Authors | Kakigano H, Nomura M, Ise T |
| Conference Name | 2010 International Power Electronics Conference - ECCE Asia -, IPEC 2010 |
| Keywords | DC distribution, Distributed generation, efficiency, Microgrid, Power losses |
| Abstract | In this paper, loss of a dc microgrid system for residential complex is compared with loss in an ac system. Each system has a PV system, a gas engine cogeneration and 20 residential houses. The losses are calculated from measured load data and PV output data which was estimated from global solar radiation and temperature of a PV panel. The operation of the gas engine cogeneration is determined from the heat demands. As house loads, we consider an air conditioner, a refrigerator, a washing machine and a liquid crystal display (LCD) in each house. The loss calculation result shows the total losses in the dc system are around 15{%} lower than the losses in the ac system. |
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