Title: A New Method of Power Quality Cloud Evaluation Considering Dynamic Characteristics
Abstract: Aiming at the fuzzy and random problems in the process of power quality evaluation, a multi-dimensional and multi rule dynamic weighted power quality cloud evaluation method is proposed on the basis of considering the dynamic characteristics of power quality evaluation indexes. Firstly, we construct a comprehensive evaluation system of power quality, and also establish a reverse cloud model of each qualitative evaluation index of power quality. Then, the multi-dimensional and multi rule dynamic cloud generator of power quality evaluation is constructed by combining different antecedent cloud and consequent cloud with dynamic weighting of evaluation index, and a reasoning framework and algorithm are designed to analyze the uncertain mapping relationship between each evaluation index and quality level in the value domain. The distribution of space and certainty space completes the mapping transformation from quantitative input to dynamic reasoning, and then to quantitative output. The feasibility and effectiveness of the new comprehensive evaluation method for power quality are proved by the comparative analysis of examples, which provide a new idea and method for the efficient evaluation of power quality.
Publication Year: 2020
Publication Date: 2020-09-30
Language: en
Type: book-chapter
Indexed In: ['crossref']
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