z-logo
open-access-imgOpen Access
Thermal Power Plant Fuel Consumption Accounting using “Negative” Member Method in Linear Programming Model for Optimal Generation Dispatch
Author(s) -
S.V. Shulzhenko
Publication year - 2019
Publication title -
problemi zagalʹnoï energetiki
Language(s) - English
Resource type - Journals
eISSN - 2522-4344
pISSN - 1562-8965
DOI - 10.15407/pge2019.03.004
Subject(s) - economic dispatch , electricity generation , linear programming , electricity , electricity market , production (economics) , variable (mathematics) , mathematical optimization , generator (circuit theory) , computer science , variable cost , consumption (sociology) , electric power system , power (physics) , economics , engineering , mathematics , microeconomics , electrical engineering , mathematical analysis , physics , quantum mechanics , social science , sociology
The modified criterion of linear programming (LP) mathematical model for optimal generation dispatch of Integrated Power System’s (IPS) load profile. The fraction of production cost of electricity regarding fuel consumption by thermal power plant (TPP) is formulated as “Negative” member of criterion. The proposed approach is a development of traditional criterion of LP optimal dispatch problem that consists of fixed and variable parts of thermal power plant levelized electricity production cost, which are previously calculated for a fixed number of TPP typical operational modes. The generating capacities under market regulation could sell electricity at different interdependent “electricity markets”, including the most important – “day ahead market” with different prices for each time-slot, e.g. one hour, which depend from demand and therefore essentially driven by variable fraction of production cost of TPP. Due to these reasons the methodology of long-term generating capacities development, that based on uniform stable long-term rules for generators as a subsystem of IPS require modification to take into account the possibility of generator economically efficiently supply electricity for the market during short periods, several hours during one day. Also, the more precise calculation of dependence between fuel consumption and TPP operational mode is required to adequately model TPP as “day ahead market” player. The proposed method enables one to describe correctly dependence of TPP production electricity cost change from operation mode and simplify mathematical formulation of optimal generation dispatch LP model. Keywords: integrated power system, load profile, thermal power plant, linear programming model, generation dispatch, optimal solution

The content you want is available to Zendy users.

Already have an account? Click here to sign in.
Having issues? You can contact us here