An integrated multi-energy flow calculation method for electricity-gas-thermal integrated energy systems

Mengting Zhu; Chengsi Xu; Shufeng Dong; Kunjie Tang; Chenghong Gu

doi:10.1186/s41601-021-00182-2

journal article Open Access Feb 23, 2021

An integrated multi-energy flow calculation method for electricity-gas-thermal integrated energy systems

Mengting Zhu

Chengsi Xu Shufeng Dong

Kunjie Tang Chenghong Gu

Protection and Control of Modern Power Systems Vol. 6 No. 1 · Institute of Electrical and Electronics Engineers (IEEE)

View at Publisher Save 10.1186/s41601-021-00182-2

Abstract

AbstractThe modeling and multi-energy flow calculation of an integrated energy system (IES) are the bases of its operation and planning. This paper establishes the models of various energy sub-systems and the coupling equipment for an electricity-gas-thermal IES, and an integrated multi-energy flow calculation model of the IES is constructed. A simplified calculation method for the compressor model in a natural gas network, one which is not included in a loop and works in constant compression ratio mode, is also proposed based on the concept of model reduction. In addition, a numerical conversion method for dealing with the conflict between nominal value and per unit value in the multi-energy flow calculation of IES is described. A case study is given to verify the correctness and speed of the proposed method, and the electricity-gas-thermal coupling interaction characteristics among sub-systems are studied.

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Published: Feb 23, 2021
Vol/Issue: 6(1)
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Cite This Article

Mengting Zhu, Chengsi Xu, Shufeng Dong, et al. (2021). An integrated multi-energy flow calculation method for electricity-gas-thermal integrated energy systems. Protection and Control of Modern Power Systems, 6(1). https://doi.org/10.1186/s41601-021-00182-2

An integrated multi-energy flow calculation method for electricity-gas-thermal integrated energy systems

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