Dispatching Strategy of Park-Level Integrated Energy System Considering Carbon Trading Mechanism and Hydrogen Blending Natural Gas

doi:10.11930/j.issn.1004-9649.202210011

Abstract

Abstract:

The integrated energy system is conducive to the realization of multi-energy mutual benefit and efficient use of energy. This paper focuses on a comprehensive energy system in a park that incorporates electricity, heat, cold, and hydrogen loads. The study analyzes the coupling and cascade utilization characteristics of multiple energy sources in the operation of a renewable energy hydrogen production system and hydrogen-blended gas turbine. The impact of hydrogen blending ratio on gas turbine efficiency and the thermoelectric ratio is considered. With the objective of minimizing the operational cost of the system, an optimization and dispatching model for the park’s comprehensive energy system is established under a tiered carbon trading mechanism. Segmented linearization and the big M method are employed to transform a nonlinear model containing multiple 0-1 variables and continuous variables into a mixed-integer programming model. The model is then solved using the Cplex solver to achieve fast solutions. Case analysis shows that the dispatching strategy designed in this paper can effectively improve the economic performance of the park’s energy system. Properly controlling the hydrogen blending ratio in gas turbine helps reduce carbon emission in the park’s system.

Key words: integrated energy system, hydrogen blending ratio, optimal dispatch, operation economy, carbon trading mechanism

Dongshun ZHANG, Hengli QUAN, Hua XIE, Zhihong XU, Yayun TAO, Huisheng WANG. Dispatching Strategy of Park-Level Integrated Energy System Considering Carbon Trading Mechanism and Hydrogen Blending Natural Gas[J]. Electric Power, 2024, 57(2): 183-193.

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Figures/Tables 14

References 25

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参数	数值	参数	数值
$ {\lambda _{\text{h}}} $/(kg·(kW·h)^–1)	0.798	$ {\lambda _{\text{g}}} $ /(kg·(kW·h)^–1)	0.385
ρ/(元·kg^–1)	0.25	$ d $/kg	5000
$ \sigma $	0.25	$ \alpha $	0.9
c_om,GT/(元·(kW·h)^–1)	0.025	c_om,ED /(元·(kW·h)^–1)	0.014
c_om,EB / (元·(kW·h)^–1)	0.016	$ {\eta _{\text{T}}} $	0.9
$ {\eta _{{\text{AC}}}} $	1.8	$ {\eta _{{\text{CERG}}}} $	4
$ P_{{\text{NGN}}}^{{\text{max}}} $/MW	2	${c_{{\text{cut,pv/wt}}}}$ /(元·(kW·h)^–1)	0.4
$ {\eta _{{\text{EB}}}} $	0.9	$ {\eta _{\text{H}}} $	0.62
$ P_{{\text{GT}}}^{{\text{min}}} $/MW	0.1	$ P_{{\text{ED}}}^{{\text{min}}} $/MW	0.15
$ E_{{\text{EES}}}^{\text{S}} $/(MW·h)	3	$ P_{{\text{EES}}}^{\text{S}} $/MW	0.8
$ {a_1} $	0.0034	$ {b_1} $	–0.38
$ {c_1} $	36	$ {a_2} $	0.001
$ {b_2} $	–0.04	$ {c_2} $	1
c_on,GT/元	1.94	c_on,ED/元	0.95
$ E_{{\text{TES}}}^{\text{S}} $/(MW·h)	3.53	$ P_{{\text{TES}}}^{\text{S}} $/MW	0.68
${c_{{\text{om,AC}}}}$ / (元·(kW·h)^–1)	0.016	${c_{\text{g}}}$ /(元·(kW·h)^–1)	0.38

参数	数值	参数	数值
$ {\lambda _{\text{h}}} $/(kg·(kW·h)^–1)	0.798	$ {\lambda _{\text{g}}} $ /(kg·(kW·h)^–1)	0.385
ρ/(元·kg^–1)	0.25	$ d $/kg	5000
$ \sigma $	0.25	$ \alpha $	0.9
c_om,GT/(元·(kW·h)^–1)	0.025	c_om,ED /(元·(kW·h)^–1)	0.014
c_om,EB / (元·(kW·h)^–1)	0.016	$ {\eta _{\text{T}}} $	0.9
$ {\eta _{{\text{AC}}}} $	1.8	$ {\eta _{{\text{CERG}}}} $	4
$ P_{{\text{NGN}}}^{{\text{max}}} $/MW	2	${c_{{\text{cut,pv/wt}}}}$ /(元·(kW·h)^–1)	0.4
$ {\eta _{{\text{EB}}}} $	0.9	$ {\eta _{\text{H}}} $	0.62
$ P_{{\text{GT}}}^{{\text{min}}} $/MW	0.1	$ P_{{\text{ED}}}^{{\text{min}}} $/MW	0.15
$ E_{{\text{EES}}}^{\text{S}} $/(MW·h)	3	$ P_{{\text{EES}}}^{\text{S}} $/MW	0.8
$ {a_1} $	0.0034	$ {b_1} $	–0.38
$ {c_1} $	36	$ {a_2} $	0.001
$ {b_2} $	–0.04	$ {c_2} $	1
c_on,GT/元	1.94	c_on,ED/元	0.95
$ E_{{\text{TES}}}^{\text{S}} $/(MW·h)	3.53	$ P_{{\text{TES}}}^{\text{S}} $/MW	0.68
${c_{{\text{om,AC}}}}$ / (元·(kW·h)^–1)	0.016	${c_{\text{g}}}$ /(元·(kW·h)^–1)	0.38

时段		电价/(元·(kW·h)^–1)
00:00—06:00，22:00—23:00		0.4111
10:00—13:00，17:00—22:00		1.2104
06:00—10:00，13:00—17:00		0.6759

时段		电价/(元·(kW·h)^–1)
00:00—06:00，22:00—23:00		0.4111
10:00—13:00，17:00—22:00		1.2104
06:00—10:00，13:00—17:00		0.6759

交易模式	运行成本/元	碳交易成本/元	碳排放/kg
阶梯式	23516.4914	9508.5	30427.2
传统	27020.2193	11843.4	33838.3