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Taking source-side maintenance as an example, the possibility of wide area control of smart substation was studied in this paper. Source-side maintenance IED which meets the IEC61850 standard was proposed. On the basis of analyzing the IED's logical model and information flow, the corresponding data IED object model is designed. The transmission principles of sampling data based on the publish subscribe...
EcoSummit 2007 was successfully held in Beijing in May 22–27 with a theme of “Ecological complexity and sustainability: the opportunities and challenges of ecology faced by 21st century”. More than 1,400 delegates from over 70 countries and regions and 28 international/regional ecology-related organizations initiated or co-sponsored the summit. 13 plenary keynote speeches, 49 symposiums and 20 organized...
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