Lecture

Ancillary Services from Active Distribution Networks

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Description

This lecture discusses the provision of multiple ancillary services from active distribution networks, focusing on the algorithmic framework to schedule and provide services leveraging flexible assets. It covers the composition of power and energy budgets, prediction intervals, and experimental validation with heterogeneous sets of resources.

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Related concepts (18)

Prediction interval

In statistical inference, specifically predictive inference, a prediction interval is an estimate of an interval in which a future observation will fall, with a certain probability, given what has already been observed. Prediction intervals are often used in regression analysis.

Government budget

A government budget is a projection of the government's revenues and expenditure for a particular period of time often referred to as a financial or fiscal year, which may or may not correspond with the calendar year. Government revenues mostly include taxes (e.g. inheritance tax, income tax, corporation tax, import taxes) while expenditures consist of government spending (e.g. healthcare, education, defense, infrastructure, social benefits). A government budget is prepared by the government or other political entity.

Interval estimation

In statistics, interval estimation is the use of sample data to estimate an interval of possible values of a parameter of interest. This is in contrast to point estimation, which gives a single value. The most prevalent forms of interval estimation are confidence intervals (a frequentist method) and credible intervals (a Bayesian method); less common forms include likelihood intervals and fiducial intervals.

Balanced budget

A balanced budget (particularly that of a government) is a budget in which revenues are equal to expenditures. Thus, neither a budget deficit nor a budget surplus exists (the accounts "balance"). More generally, it is a budget that has no budget deficit, but could possibly have a budget surplus. A cyclically balanced budget is a budget that is not necessarily balanced year-to-year but is balanced over the economic cycle, running a surplus in boom years and running a deficit in lean years, with these offsetting over time.

Tolerance interval

A tolerance interval (TI) is a statistical interval within which, with some confidence level, a specified sampled proportion of a population falls. "More specifically, a 100×p%/100×(1−α) tolerance interval provides limits within which at least a certain proportion (p) of the population falls with a given level of confidence (1−α)." "A (p, 1−α) tolerance interval (TI) based on a sample is constructed so that it would include at least a proportion p of the sampled population with confidence 1−α; such a TI is usually referred to as p-content − (1−α) coverage TI.

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