Techniques for power system planning under uncertainties

Summary

Until recently transmission planning used to be a very well defined set of methods and tools for deciding reinforcements to the transmission system. Traditional sources of uncertaintly existed (demand growth, fuel prices, security of fuel supplies, lines and generator breakdowns). In some cases, deterministic criteria were used so that the system could be operated at all load levels to withstand some unscheduled contingencies without instability, cascading or interruption of load. In other cases uncertainties were taken into account, with known probability laws. This time has gone …

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