Open AccessOptimal operation model of integrated energy system for industrial plants considering cascade utilisation of heat energy
Author(s) -
Mu Chenlu,
Ding Tao,
Zeng Ziyu,
Liu Peiyun,
He Yuankang,
Chen Tianen
Publication year - 2020
Publication title -
iet renewable power generation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.005
H-Index - 76
eISSN - 1752-1424
pISSN - 1752-1416
DOI - 10.1049/iet-rpg.2019.0651
Subject(s) - cascade , energy (signal processing) , process engineering , energy conservation , energy accounting , factory (object oriented programming) , energy engineering , energy transformation , production (economics) , efficient energy use , environmental science , computer science , engineering , electrical engineering , mathematics , statistics , chemical engineering , physics , macroeconomics , economics , thermodynamics , programming language
As the energy crisis becomes more prominent, the issue of energy conservation and recycling is urgent. For large‐scale industrial plants, there are various forms of heat energy resources with different grades and energy storages. This study presents the detail modelling of all equipment in the integrated energy system to specify the physical operational constraints. Furthermore, an optimisation model is set up to minimise the total cost of an individual industrial plant, with the consideration of energy production equipment, energy conversion equipment and energy storage equipment in the plant. In particular, the relationship among the heat energy with different grades is described to characterise the cascade utilisation of the heat energy. Finally, a material processing factory with multi‐grade heat energy is simulated to verify the effectiveness of the proposed model with energy cascade utilisation.