FEASIBILITY OF ADAPTIVE PROTECTION AND CONTROL

A summary of 90 responses to a survey on the use of adaptive functions in protective relaying systems is given. The survey was developed by Working Group K8 of the Substation Protection Subcommittee of the IEEE Power System Relaying Committee. This paper presents some background on the concept of adaptive protection, summarizes the questionnaire an d gives an analysis of the questionnaire responses. Section A of the q uestionnaire which concerns satisfaction with existing relaying scheme s is summarized in two figures. Section B of the survey which outlines 16 possible adaptive features is repeated in its entirety. A number o f adaptive features suggested by the respondents are also analyzed.