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In this paper, the short-term load forecast is conducted by utilizing SARIMA model and Holt-Winters model including load classification by use of k-NN algorithm. With embodiment of a load classification procedure, it could be possible to provide more accurate load data. After load classification using 1-year training set and 1-year test set, forecast was performed through the two models. Although...
Reliability evaluation of power distribution system is very important to both power utilities and customers. It presents the probabilistic number and duration of interruption such as failure rate, SAIDI, SAIFI, and CAIDI. However, it has a fatal weakness at reliability index because of accuracy of failure rate. In this paper, the time-varying failure rate (TFR) of power distribution system equipment...
With the implementation of electric power industry reform the utilities are now active in looking for effective ways to improve the economic efficiency. One area in particular, the equipment maintenance, is being scrutinized for reducing costs while keeping a reasonable level of the reliability in the overall system. Here the conventional RCM requires the trade-off between the upfront maintenance...
The purpose of this paper is to propose a high reliability purge condition for separate absorption, grading, charge, and multiplication (SAGCM) InGaAs/InP avalanche photodiodes (APD's) for fiber optical transmission systems. We have found that infant failures of the InGaAs/InP APD's can be purged out by applying 90 % of the reverse breakdown voltage at an ambient temperature of 100 ?C for a minimum...
The purpose of this paper is to propose a high reliability purge condition for separate absorption, grading, charge, and multiplication (SAGCM) InGaAs/InP avalanche photodiodes (APDs) for fiber optical transmission systems. We have found that infant failures of the InGaAs/InP APDs can be purged out by applying 90% of the reverse breakdown voltage at an ambient temperature of 100/spl deg/C for a minimum...
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