An innovative probabilistic methodology for net transfer capacity evaluation

In the context of transmission system planning, research proposes methods to assess the effect of uncertainties of power system operating condition due to forecasting errors of intermittent generation and loads. In particular probabilistic power flow methods are illustrated to calculate the probabil...

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Bibliographic Details
Main Authors: Adinolfi, F., Massucco, S., Saviozzi, M., Silvestro, F., Ciapessoni, E., Cirio, D., Pitto, A.
Format: Conference Proceeding
Language:English
Subjects:
Load modeling
Net Transfer Capacity
Point Estimate Method
Predictive models
Probabilistic logic
Probabilistic Security Assessment
Security
Total Transfer Capacity
Uncertainty
Wind forecasting
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Summary:In the context of transmission system planning, research proposes methods to assess the effect of uncertainties of power system operating condition due to forecasting errors of intermittent generation and loads. In particular probabilistic power flow methods are illustrated to calculate the probability distributions of the voltages and the branch currents, starting from the distributions of power injections/absorptions. These uncertainties play a key role in the operational planning of power systems, as certain configurations of load and intermittent generation can cause security problems. This paper aims to propose a probabilistic methodology to assess Net Transfer Capacity (NTC) among network areas, which quantifies forecast error uncertainties by applying the Point Estimate Method (PEM) combined with Third Order Polynomial Normal (TPN) Transformation. This approach is compared with a conventional NTC assessment technique and has been validated against Monte-Carlo benchmark on an IEEE test system.
DOI:10.1109/PTC.2015.7232712