Operation optimization of district heating network under typical modes for improving the economic and flexibility performances of integrated energy system

S Huo, J Wang, Y Qin, Z Cui - Energy Conversion and Management, 2022 - Elsevier
The thermoelectric couple relation of combined heat and power unit and unstable
renewable energy limit the flexible operation of integrated energy system, resulting in low …

Leveraging heat accumulation of district heating network to improve performances of integrated energy system under source-load uncertainties

J Wang, S Huo, R Yan, Z Cui - Energy, 2022 - Elsevier
The multiple uncertainties in renewable energy and loads and the thermoelectric coupling
characteristic of the integrated energy system (IES) restrict the accommodation of renewable …

Optimal operation of integrated power and thermal systems for flexibility improvement based on evaluation and utilization of heat storage in district heating systems

KL He, T Zhao, H Ma, Q Chen - Energy, 2023 - Elsevier
Heat storage in district heating system is promising for renewable energy accommodation
because it effectively improves system flexibility. However, its proper evaluation remains …

Energy and exergy analysis of low temperature district heating network

H Li, S Svendsen - Energy, 2012 - Elsevier
Low temperature district heating with reduced network supply and return temperature
provides better match of the low quality building heating demand and the low quality heating …

Collaborative scheduling and flexibility assessment of integrated electricity and district heating systems utilizing thermal inertia of district heating network and …

X Li, W Li, R Zhang, T Jiang, H Chen, G Li - Applied Energy, 2020 - Elsevier
In the traditional scheduling of integrated electricity and district heating systems (IEDHS)
with high penetrations of wind power, large amounts of wind power curtailments can still …

Optimal operation for integrated energy system considering thermal inertia of district heating network and buildings

W Gu, J Wang, S Lu, Z Luo, C Wu - Applied energy, 2017 - Elsevier
The use of wind power is often restricted by the strong interdependence between the
electricity generation and thermal energy generation of combined heat and power units …

Reconfiguration of district heating network for operational flexibility enhancement in power system unit commitment

Y Xue, M Shahidehpour, Z Pan, B Wang… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
Massive adoptions of combined heat and power (CHP) units necessitate the coordinated
operation of the power system and district heating system (DHS). Exploiting the …

Quantification of flexibility of a district heating system for the power grid

X Xu, Q Lyu, M Qadrdan, J Wu - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
District heating systems (DHS) that generate/consume electricity are increasingly used to
provide flexibility to power grids. The quantification of flexibility from a DHS is challenging …

Optimal operation of regional integrated energy system considering demand response

Z Guo, R Zhang, L Wang, S Zeng, Y Li - Applied Thermal Engineering, 2021 - Elsevier
With the deepening of energy market reform, market factors have more and more influence
on the operation of energy system. The introduction of demand response mechanism guided …

Discussions on the real potential of district heating networks in improving wind power accommodation with temperature feedback as one consideration

F Xu, L Hao, L Chen, Q Chen, M Wei, Y Min - Energy Conversion and …, 2021 - Elsevier
The wind curtailment has been serious in China, reaching 1.66 e+ 10 kW· h in 2020, since
the “heat-led” operation mode of the combined heat and power unit restrains the flexibility of …