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This paper proposes a novel contribution factor (CF) approach to predict diversified daily peak load of low voltage (LV) substations. The CF for each LV template developed in part I of the paper is determined by a novel method—clusterwise weighted constrained regression (CWCR). It takes into account the contribution from different customer classes to substation peaks, respecting the natural difference...
MapReduce has shown vigorous vitality and penetrated both academia and industry in recent years. MapReduce not only can be used as an ETL tool, it can do even much more. The technique has been applied to SQL summation, OLAP, data mining, machine learning, information retrieval, multimedia data processing, science data processing etc. Basically MapReduce is a general purpose parallel computing framework...
The LRIC-voltage network charging pricing principle is intended to reflect the investment cost of a network to maintain the quality of supply, i.e. ensuring that nodal voltages are within required statutory limits. This charging principle is based on spare nodal voltage capacity or headroom of an existing network (distribution and transmission systems) to provide the time to invest in reactive power...
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