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What is the difference between economic dispatch and unit commitment?
Wiki User
∙ 11y ago
Economic Dispatch
l Given load
l Given set of units on-line
l How much should each unit generate to
meet this load at minimum cost?
G G G Load
Unit Commitment
l Given load profile
(e.g. values of the load for each hour of a day)
l Given set of units available
l When should each unit be started, stopped and how
much should it generate to meet the load at minimum
cost?
rajirahulm@gmail.com
Wiki User
∙ 11y ago
Wiki User
∙ 11y agoEconomic dispatch is the short-term determination of the optimal output of a number of electricity generation facilities, to meet the system load, at the lowest possible cost, while serving power to the public in a robust and reliable manner. The problem of unit commitment involves finding the least-cost dispatch of available generation resources to meet the electrical load.
Unit commitment aims to make a power system relaiable while economic dispatch uses computatiional approach to determine least cost to meet available load demands
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