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Intermediate
A contingency load-flow case at a water plant overloads one 69 kV tie line after another line is removed. Bus voltages remain acceptable. Which corrective action aligns with the study result?
Add only arc-flash PPE because thermal overloads are solved by worker protection.
Change CT ratios because ratios physically reduce line current.
Redispatch generation, switch network topology, or reduce transfer to relieve real-power flow on the overloaded element.
Increase lighting levels because voltage is already acceptable.
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