EvaluationPeriod Years is the number of years over which the utility will evaluate TCO NLL and NLLC are the No-Load Losses and No- Load Loss Cost respectively
FLL and FLLC are the Full-Load Losses and Full- Load Loss Cost respectively
By substituting each variable into the TCO equation we have: 𝑇𝑇 𝑇𝑇 𝑇𝑇 =$24,000+ 3 𝑦𝑦𝑦𝑦𝑦𝑦𝑦𝑦𝑦𝑦 𝑥𝑥 ൫ (250 𝑊𝑊 ∗ $4.50) +(4000 𝑊𝑊 ∗ $2.00) ൯൧ 𝑇𝑇 𝑇𝑇 𝑇𝑇 =$24,000+ 3 𝑦𝑦𝑦𝑦𝑦𝑦𝑦𝑦𝑦𝑦 𝑥𝑥 ൫ ($1,125) +($8,000) ൯൧ 𝑇𝑇 𝑇𝑇 𝑇𝑇 =$24,000+ [3 𝑦𝑦𝑦𝑦𝑦𝑦𝑦𝑦 𝑦𝑦 𝑥𝑥 $9,125] 𝑇𝑇 𝑇𝑇 𝑇𝑇 = $24,000 + $27,375 𝑇𝑇 𝑇𝑇 𝑇𝑇 = $24,000 + $27,375 The evaluated 3-year TCO for this transformer is $51,375.
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