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Domestic photovoltaic (PV) based microgrid refers to a distributed group of small solar PV systems installed at each household in a residential area. The distributed systems may be integrated to form a meshed microgrid structure which can operate in both islanded and grid-connected modes. Grid-connected microgrids of domestic solar PV systems can supplement energy needs of homeowners. They are a potentially...
Progress in the development of communication network technology continues apace and Ethernet technology, once limited to local area network applications, is increasingly being considered for use as the backbone technology for wide area communication networks. The technology, most commonly referred to as “Carrier Ethernet”, seems likely to become the dominant technology within wide area networks ultimately...
When applied over asymmetrical or potentially asymmetrical channels (unequal channel propagation times in the transmitting and receiving directions), such as commercial-class SDH/SONET networks, line current differential schemes need an external time reference for current data alignment if the sensitivity of the differential scheme is to be preserved. Modern line differential schemes can handle a...
At present, gas protection and current differential protection are generally used as the main protection for traction transformer in China high-speed railway. Overcurrent protection with busbar low-voltage start-up is used as the backup protection installed at HV side and LV side of transformer. This paper introduces the principle of overcurrent protection with busbar low-voltage start-up, and then...
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