Optimally coordinated dispatch of combined-heat-and-electrical network with demand response

A multi-energy microgrid (MEMG) aims to simultaneously supply electricity and thermal energy to customers for higher energy utilisation efficiency. In this study, a system-wide coordinated operation method for MEMGs is proposed to dispatch different components including generation resources and flex...

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Vydané v:IET generation, transmission & distribution Ročník 13; číslo 11; s. 2216 - 2225
Hlavní autori: Chen, Yumin, Xu, Yan, Li, Zhengmao, Feng, Xue
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: The Institution of Engineering and Technology 04.06.2019
Predmet:
cogeneration
combined‐heat‐and‐electrical network
coordinated dispatch
demand side management
distributed power generation
energy utilisation
heat network
indoor temperature control strategy
integer programming
linear programming
load flow
MEMG
mixed‐integer linear programming problem
multienergy microgrid
power flow constraints
power generation dispatch
price‐based demand response
Research Article
system‐wide coordinated operation method
thermal energy
system-wide coordinated operation method
indoor temperature control strategy
multienergy microgrid
combined-heat-and-electrical network
integer programming
thermal energy
linear programming
distributed power generation
mixed-integer linear programming problem
power generation dispatch
cogeneration
energy utilisation
power flow constraints
coordinated dispatch
price-based demand response
MEMG
demand side management
heat network
load flow
ISSN:1751-8687, 1751-8695
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Popis
Shrnutí:A multi-energy microgrid (MEMG) aims to simultaneously supply electricity and thermal energy to customers for higher energy utilisation efficiency. In this study, a system-wide coordinated operation method for MEMGs is proposed to dispatch different components including generation resources and flexible loads. In the coordination method, the coupling constraints of electrical and heat network, dynamic characteristics of heat network as well as the power flow constraints are comprehensively modelled. Besides, the price-based demand response and indoor temperature control strategy are used as demand response for more flexible operation of the combine electrical and thermal networks. The coordination model is formulated as a mixed-integer linear programming problem and tested on 33-bus and 69-bus MEMGs. Simulation results verify the advantages of the proposed method over existing methods.
ISSN:1751-8687
1751-8695
DOI:10.1049/iet-gtd.2018.6992