It compares IEC61850 standard with the widely used IEC60870-5-103 protocol from aspect of information modeling, communication model, self-description, isolation of data and services, indicating the different characteristics of these two standards.

Method of self-description and regeneration of testing cases based on error-guessing method(BEGM) was suggested.

Considering the difficulties of the interoperability between devices and of system integration,device self-description technique is put forward,which is used for solving above problems ,and the info-exchange mechanism of interoperability between devices is discussed.

CAR_CLSID is an extention of CLSID in COM and supports the compo-nent self-describing.

This review of literature on children s conceptions of personality traits examines three assessing methods extensively employed in the past three decades:(a) free descriptions, (b) behavior predictions, both of which were regarded as the main approaches before 1990s, and (c) psychological predictions newly developed in 1990s influenced by the research of theory of mind.

A visualization is presented about how to realize the self-description, plug and play in SAS application for an IED based on IEC 61850 standard, the key features being object oriented modeling, abstract service interface and some selfdescribing service of manufacturing message specification (MMS).

There is work to be done in the algorithm for automatic describing contents with particular video frequency,e.