xii LIST OF TABLES Tables 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 4.1 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 5.9 5.10 5.11 5.12 5.13 6.1 6.2 6.3 6.4 6.5 6.6 6.7 6.8 7.1 7.2 7.3 7.4 7.5 Knowledge management framework Probes to elicit information in structured interviews Overview of analytic task Overview of synthetic task General characterization of classification template Classes and object of power distribution cable General characterization of assessment template Cases and norms of overhead distribution cable The main classes with some of the associated attributes for distribution feeder asset information model Examples of linguistic variables with typical linguistic values Truth table for five operations that are frequently applied to proposition Proof of p q [ p (q)] Validation of equation (5.11) and (5.12) Mulit-valued logic operation The cartesian product of fuzzy sets A and B using Mamdani implication The example of fuzzy knowledge rules Fuzzy set application areas in power systems Technical condition states of distribution assets Distribution feeder asset components categories and their relative weights as specified by utility experts Fuzzy inference rules for Markov deterioration model General idea of the fuzzy sets of linguistic variables Fuzzy rule base for failure likelihood determination Average customer damage cost of different customer types in MEA Average composite customer damage models Composite customer outage cost in Thailand Price cap for each customer type in MEA A typical example WBS of pole installation work Typical cost components of overhead distribution feeder Typical cost components of underground distribution feeder Example of cost estimation of underground feeder Numerical rating and verbal preference Number of alternatives and comparison Formation of comparison matrix Random consistency index Condition rating of feeder components Page 36 38 43 44 45 46 47 48 78 89 92 93 93 94 95 97 100 114 116 119 127 128 133 135 136 137 138 140 140 141 152 154 154 157 165 xiii Tables 7.6 7.7 7.8 7.9 7.10 7.11 7.12 7.13 7.14 7.15 7.16 8.1 8.2 8.3 8.4 8.5 8.6 8.7 8.8 8.9 8.10 Comparison matrix and priority vector of main criteria Comparison matrix and priority vector of subcriteria under technical matter Comparison matrix and priority vector of subcriteria under social matter Comparison matrix of implementation options against reliability subcriteria Comparison matrix of implementation options against construction subcriteria Comparison matrix of implementation options against maintenance subcriteria Comparison matrix of implementation options against financial criteria Comparison matrix of implementation options against safety subcriteria Comparison matrix of implementation options against safety subcriteria Overall ranking of alternatives Overall ranking of alternatives when technical criterion is equally important as compared to financial Outage statistics of Substation KO Operational and environmental stressors feeder KO412 Condition rating of feeder components Overall ranking of alternatives when financial criterion is moderately important as compared to technical Overall ranking of alternatives when technical criterion is equally important as compared to financial Overall ranking of alternatives when technical criterion is moderately important as compared to financial Reliability standard in MEA area Set of criteria of undergrounding project Cost of various undergrounding projects Overall ranking of implementation options Page 170 170 171 171 171 171 172 172 172 172 173 177 180 181 184 184 185 186 188 196 197