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Jun Ye
School of Electrical Engineering, Wuhan University, Wuhan 430072, China

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Journal article
Published: 01 March 2018 in Journal of Renewable and Sustainable Energy
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Wind power is often curtailed due to the strong coupling relationship between power and heat supply of combined heat and power units. Power-to-hydrogen (P2H) is a promising technology to integrate the wind power, by which the surplus wind power can be converted into hydrogen and stored in the hydrogen storage. Then, hydrogen can be not only converted into electricity but also sold to the hydrogen market. The comprehensive utilization of hydrogen can increase the flexibility of the energy system. In this paper, the P2H system considering the sales of hydrogen is modeled and integrated into the stochastic dispatch model of the integrated electricity-heat-hydrogen system. The model considers the constraints of the hydrogen storage, sales of hydrogen, electric power systems, and district heating systems. To verify the feasibility and effectiveness of the proposed method, two case studies are simulated and the results show that P2H systems can improve the wind power integration and reduce the operating cost of the system. The installation location of P2H systems has an impact on the system operation. Moreover, the price of hydrogen will influence the operation of P2H systems.

ACS Style

Jun Ye; Rongxiang Yuan. Stochastic scheduling of integrated electricity-heat-hydrogen systems considering power-to-hydrogen and wind power. Journal of Renewable and Sustainable Energy 2018, 10, 024104 .

AMA Style

Jun Ye, Rongxiang Yuan. Stochastic scheduling of integrated electricity-heat-hydrogen systems considering power-to-hydrogen and wind power. Journal of Renewable and Sustainable Energy. 2018; 10 (2):024104.

Chicago/Turabian Style

Jun Ye; Rongxiang Yuan. 2018. "Stochastic scheduling of integrated electricity-heat-hydrogen systems considering power-to-hydrogen and wind power." Journal of Renewable and Sustainable Energy 10, no. 2: 024104.

Journal article
Published: 13 April 2017 in Sustainability
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A large amount of wind power has to be curtailed due to the inflexibility of the combined heat and power (CHP) system in the heating season in northern China. The power-to-gas (P2G) technology, which uses electricity to produce hydrogen or synthetic natural gas, has become a promising energy conversion option for the utilization of surplus power energy. In this paper, an integrated natural gas, heat, and power dispatch (INGHPD) model which balances natural gas, heat, and power demand considering wind power and a P2G unit, is proposed. A natural gas network and P2G are modeled and integrated into the dispatch model. To demonstrate the effectiveness of the proposed model, an integrated energy system consisting of a six-bus power system, a six-node natural gas system, and a district heating system is simulated. The benefits of P2G are investigated in terms of reducing wind power curtailment, as well as system operation cost and CO2 emissions. The results in the deterministic model show that with the introduction of 40 MW P2G, the wind power curtailment rate decreases from 24.0% to 9.7%. The daily wind power energy consumed by P2G reaches 256 MWh and the daily CO2 emissions reduction reaches 46,080 kg. Additionally, the impact of the power and heat demand on the gas production of P2G and of the P2G capacity on the wind power curtailment are also investigated. P2G tends to generate more natural gas when the power demand is low and the heat demand is high.

ACS Style

Jun Ye; Rongxiang Yuan. Integrated Natural Gas, Heat, and Power Dispatch Considering Wind Power and Power-to-Gas. Sustainability 2017, 9, 602 .

AMA Style

Jun Ye, Rongxiang Yuan. Integrated Natural Gas, Heat, and Power Dispatch Considering Wind Power and Power-to-Gas. Sustainability. 2017; 9 (4):602.

Chicago/Turabian Style

Jun Ye; Rongxiang Yuan. 2017. "Integrated Natural Gas, Heat, and Power Dispatch Considering Wind Power and Power-to-Gas." Sustainability 9, no. 4: 602.

Journal article
Published: 20 June 2016 in Energies
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Wind power has achieved great development in Northern China, but abundant wind power is dissipated, rather than utilized, due to inflexible electricity production of combined heat and power (CHP) units. In this paper, an integrated CHP system consisting of CHP units, wind power plants, and condensing power plants is investigated to decouple the power and heat production on both the power supply side and heat supply side, by incorporating electrical energy storage (EES) and thermal energy storage (TES). Then the integrated CHP system dispatch (ICHPSD) model is formulated to reach the target of reducing wind power curtailment and primary energy consumption. Finally, the feasibility and effectiveness of the proposed ICHPSD model are verified by the six-bus system, and the simulation results show that EES has a better effect on wind power integration than TES. The annual net benefits by incorporating EES and TES increase with increasing wind penetration, but they gradually approach saturation. Introducing both EES and TES can largely increase the amount of wind power integration and improve the operation efficiency of the system.

ACS Style

Rongxiang Yuan; Jun Ye; Jiazhi Lei; Timing Li. Integrated Combined Heat and Power System Dispatch Considering Electrical and Thermal Energy Storage. Energies 2016, 9, 474 .

AMA Style

Rongxiang Yuan, Jun Ye, Jiazhi Lei, Timing Li. Integrated Combined Heat and Power System Dispatch Considering Electrical and Thermal Energy Storage. Energies. 2016; 9 (6):474.

Chicago/Turabian Style

Rongxiang Yuan; Jun Ye; Jiazhi Lei; Timing Li. 2016. "Integrated Combined Heat and Power System Dispatch Considering Electrical and Thermal Energy Storage." Energies 9, no. 6: 474.