In recent years, DC microgrid has attracted considerable attention of the research community because of the wide usage of DC power-based appliances. However, the acceptance of DC microgrid by power utilities is still limited due to the issues associated with the development of a reliable protection scheme. The high magnitude of DC fault current, its rapid rate of rising and absence of zero cros...

Question: Is the assumption of trait independence implied in Westoby’s (1998) leaf-height-seed (LHS) ecology strategy scheme upheld in a Mediterranean grazing system dominated by annuals? Is the LHS approach applicable at the community level? Location: Northern Israel. Methods: LHS traits (specific leaf area [SLA], plant height and seed mass), and additional leaf traits (leaf dry matter content...

One potentially powerful way of organizing in the new Internet world is through the medium of the virtual Internet community. An effectively managed virtual community provides economic gains to the community organizer and to its members. We attempt to build theory grounded in the study of TimeZone.com, a virtual Internet community devoted to wristwatch hobbyists and enthusiasts. We argue that a...