Results 1 to 10 of about 20,269,821 (343)

A Data-Driven Method for Fault Detection and Isolation of the Integrated Energy-Based District Heating System

open access: yesIEEE Access, 2020
Effective fault detection and isolation can improve the safety, reliability and efficiency of the district heating system. In order to detect and locate the sensor, actuator and component faults in the district heating system with faster response speed ...
Mengshi Li   +4 more
doaj   +2 more sources

Combined District Heating System CHP- Local HP [PDF]

open access: yesProblems of the Regional Energetics, 2020
The work relates to the problems of using heat pumps in district heating systems. The aim of the study is to increase the energy economic efficiency of combined heat supply systems with heat pumps using natural refrigerants.
Sit M.L.   +3 more
doaj   +1 more source

What does a well-functioning heating system look like? Investigation of ten Danish buildings that utilize district heating efficiently

open access: yesEnergy, 2021
In order to reach targeted 4th generation district heating temperatures around 55 °C supply and 25 °C return, it is necessary to ensure that heating installations inside buildings are designed and operated properly. In this study we investigated the best-
Dorte Skaarup Østergaard   +2 more
semanticscholar   +1 more source

Techno-economic analysis of a 5th generation district heating system using thermo-hydraulic model: A multi-objective analysis for a case study in heating dominated climate

open access: yesEnergy and Buildings, 2023
A 5th generation district heating (5GDH) system consists of a low-temperature network used as a heat source for de-centralized heat pumps to serve heating demand.
P. Saini   +4 more
semanticscholar   +1 more source

Landscape of district heating systems in Germany – Status quo and categorization

open access: yesEnergy Conversion and Management: X, 2021
Studies on decarbonizing district heating systems are either system specific or use artificial district heating systems. In contrast to the liberalized electricity sector, there are no disclosure obligations in the district heating sector.
Merlin Sebastian Triebs   +3 more
doaj   +1 more source

Evaluation and Optimization of heat Pump Combined District Heating System: A Case Study of China

open access: yesEnergies, 2022
The district heating area in China is continuously increasing, which brings an increase in district heating load. In order to solve the shortage of heating power and realize the carbon neutral target, this study proposes two retrofit schemes for district
Ling Cheng   +9 more
doaj   +1 more source

Energy system benefits of combined electricity and thermal storage integrated with district heating

open access: yesInternational Journal of Sustainable Energy Planning and Management, 2021
In the development towards a smart and renewable energy systems with increasing supply of electricity from fluctuating sources there is an increasing need for system flexibility.
Rasmus Lund
doaj   +1 more source

District Heating Systems in Republic of Moldova: Reality and Perspectives [PDF]

open access: yesProblems of the Regional Energetics, 2019
The article presents the history of centralised distric0.t heating systems in Republic of Moldova, evolution, current state and prospects for short-term investments financed by raising funds from external creditors. Centralized heating in the Republic of
Leu V., Cernei M.
doaj   +1 more source

Energy-economic assessment of reduced district heating system temperatures

open access: yesSmart Energy, 2021
It is in the DNA of district heating (DH) systems that low temperatures are crucial for efficiency, guaranteeing cost competitiveness and integrating alternative heat sources.
R. Geyer   +4 more
semanticscholar   +1 more source

The pricing methods on the monopoly district heating market

open access: yesEnergy Reports, 2020
District heating plays an important role in many countries with cold climates. District heating are local systems and in most cases, they organized as natural monopoly markets.
Valery Stennikov, Andrey Penkovskii
doaj   +1 more source

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