Synthetic quantitative assessment of power quality in competition market environment

A new method, which integrates the virtue of the probability and mathematical statistics with that of the fuzzy mathematics for power quality assessment, is proposed in this paper. The index showing an aspect of power quality is evaluated using probability and mathematical statistics respectively; t...

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Main Authors: Yonghai Xu, Lei Chen, Xiangning Xiao
Format: Conference Proceeding
Language:English
Subjects:
Algebra
Appraisal
fuzzy mathematics
Mathematics
power market
Power markets
Power quality
power quality assessment
Power system economics
Power system harmonics
Probability
probability and mathematical statistics
Statistics
Voltage fluctuations
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Lei Chen
Xiangning Xiao
description A new method, which integrates the virtue of the probability and mathematical statistics with that of the fuzzy mathematics for power quality assessment, is proposed in this paper. The index showing an aspect of power quality is evaluated using probability and mathematical statistics respectively; the global unique index of these indexes can be obtained. The results obtained from each index unified are unified again using fuzzy synthetic appraisal in order to give an objective, overall and unique index of power quality. The special assessment method for voltage sag using the average sag energy index is also discussed. Finally, a transaction mode makes the maximum benefits for different unit commitment as objective function and takes the power quality into account is presented, and then power energy really becomes a commodity which would be evaluated a price according to power quality
doi_str_mv 10.1109/TDC.2005.1546836
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source IEEE Xplore All Conference Series
subjects Algebra
Appraisal
fuzzy mathematics
Mathematics
power market
Power markets
Power quality
power quality assessment
Power system economics
Power system harmonics
Probability
probability and mathematical statistics
Statistics
Voltage fluctuations
title Synthetic quantitative assessment of power quality in competition market environment
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