A Heat Current Model for Heat Transfer/Storage Systems and Its Application in Integrated Analysis and Optimization With Power Systems

Hao, Jianli; Chen, Qun; He, Ke-Lun; Lei, Chen; Dai, Yong; Xu, Fei; Min, Yong

doi:10.1109/tste.2018.2888483

Cited by 56 publications

(14 citation statements)

References 39 publications

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“…and it plays the role of being the connecting link in IES. It includes the power distribution system, natural gas system (middle and low pressure), and heating (cooling) system (Hao et al, 2020). Its planning model mainly involves the siting and sizing of energy conversion equipment [combined cooling heating and power (CCHP) units, gas-fired boilers, absorption refrigerators, etc.…”

Section: Structure and Characteristics Of An Iesmentioning

confidence: 99%

Review on Coordinated Planning of Source-Network-Load-Storage for Integrated Energy Systems

Fan

Xia

et al. 2021

Front. Energy Res.

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The integration of electricity, gas, and heat (cold) in the integrated energy system (IES) breaks the limitation of every single energy source, which is the development trend of future energy systems. To realize the coordinated planning of “source-network-load-storage,” the IES has to be conducive to improving energy efficiency, bringing economic and environmental benefit, and achieving sustainable development of energy. In this paper, the techniques and methods involved in IES planning are summarized. First, the structure and characteristics of the IES are briefly introduced. Second, the key findings of the IES planning are summarized from four perspectives: source, network, load, and storage. Then, the modeling methods of the IES collaborative planning are summarized, and the optimization methods for solving complex planning problems are analyzed. Compared with previous reviews, this paper focuses on the modeling of multi-energy coupling of each part of source-network-load-storage and modeling of the overall collaborative planning. Finally, the future research direction of IES planning is forecast.

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Section: Structure and Characteristics Of An Iesmentioning

confidence: 99%

Review on Coordinated Planning of Source-Network-Load-Storage for Integrated Energy Systems

Fan

Xia

et al. 2021

Front. Energy Res.

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“…They are operated with the time-space network constraints and time-energy limits. The time-space network constraints are presented in ( 1)-( 6), where (1) expresses the truck k has only one position at time t, (2) denotes that the truck space position should be connected with each other, (3)-( 4) limit the truck travel time from station i to j, (5) stands for the constraint of the truck initial position, (6) requires that the truck k returns to its original position at the end.…”

Section: A Cpcss Model On the Cooling Sidementioning

confidence: 99%

“…example, a heat current model of a district heating network is constructed in [6] to deduce the corresponding heat transport matrix by applying Ohm's and Kirchhoff's laws. A flexibility evaluation method based on a generalized thermal storage model is introduced in [7] to systematically characterize and quantify the flexibility of district heating networks in combined heat and power dispatch.…”

Section: Introductionmentioning

confidence: 99%

Optimal Scheduling of Cooling and Power Combined Supply System for Tropical Renewable Microgrids

et al. 2021

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To satisfy the residential cooling demand in tropical large renewable microgrids (MGs), multiple ice-storage air conditionings (IACs) are usually used to supply cold energy. However, these IACs could not directly exchange the cold energy, which seriously limits the combined regulation effect. To address the problem, a novel cooling and power combined supply system (CPCSS) is proposed in this paper, where the trucks are used to distribute the ices among IACs. To evaluate the performance on the multi-time scales, a cooling and power combined supply model is established. On this basis, a two-stage (i.e., day-ahead and real-time stage) scheduling strategy is presented to minimize the MG operation cost. To speed up the solution, this scheduling model is first linearized as a classic mixed-integer second-order cone programming (MISCP) problem, and then is solved by Lagrange solution method. Simulation studies on an IEEE 14-node system indicates that compared with the existing MG operation cost, the annual operational cost of the based-twotruck CPCSS could be reduced by 9868800 yuan (12.6%), while the network loss could be decreased from 5.4 to 3.9 MWh. The results confirm the effectiveness of the proposed strategy.INDEX TERMS Renewable microgrid, ice-storage air conditioning, multi-time scale, cooling and power combined supply system, Lagrange solution.

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“…For example, papers [6]- [8] propose to operate the combined heat and power system following the electric dispatch time scale by assuming the heating system can reach steady-state in minutes. Although the inertia of the heat exchanger is considered, the dynamic process of the heating network is still neglected in [9]. Moreover, even for the short-term economic dispatch, the heating system is assumed to be adjusted as fast as the electric power system [10] [11].…”

Section: B Related Workmentioning

confidence: 99%

Asynchronous Economic Dispatch for Combined Heat and Power Systems

Qin

Sun

Guo

2020

IEEE Open J. Power Energy

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In the day-ahead economic dispatch of combined heat and power systems, the electric power system is adjusted in minutes because of the short dynamic time and the requirement of real-time power balance, while the heating system is dispatched in hours due to its large inertia and long dynamic process. However, the different dispatch time scales of electricity and heat are ignored by existing synchronous dispatch methods, which limits the improvement of system efficiency. To address this challenge, in this paper, the asynchronous dispatch method is proposed and instantiated by two different dispatch models featuring a short electric dispatch time scale and a long heat dispatch time scale. Case studies demonstrate the asynchronous dispatch method can overcome the efficiency and reliability problems caused by the existing synchronous dispatch methods.  Index Terms-combined heat and power system, different time scales, economic dispatch, dispatch interval.

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A Heat Current Model for Heat Transfer/Storage Systems and Its Application in Integrated Analysis and Optimization With Power Systems

Cited by 56 publications

References 39 publications

Review on Coordinated Planning of Source-Network-Load-Storage for Integrated Energy Systems

Review on Coordinated Planning of Source-Network-Load-Storage for Integrated Energy Systems

Optimal Scheduling of Cooling and Power Combined Supply System for Tropical Renewable Microgrids

Asynchronous Economic Dispatch for Combined Heat and Power Systems

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