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学者姓名：郑文迪
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Abstract ：
Islands occupy an important strategic position in the development of a country, but the water supply system of islands faces the hidden problem of insufficient water supply, and reverse osmosis desalination technology plays an important role in solving this problem. However, existing studies on the configuration of water-energy nexus systems on islands have oversimplified the description of the desalination model and have not considered the requirements of different water loads for the concentration of solutes in the but also water. In this paper, a method for optimizing the configuration of water-energy nexus systems on sea islands considering multistage desalination is proposed. Firstly, a comprehensive mathematical model of water-energy nexus system integrating wind energy, hydrogen energy, and reverse osmosis desalination is established. Secondly, considering the coupled equipment characteristics of the water network and the distribution network, the water network and the distribution network flow model is established. Finally, a reasonable configuration is obtained by solving the optimization objective of the lowest integrated cost of the island water-energy nexus system, and the influence of the reverse osmosis membrane parameters on the cost of the whole system is analyzed. © 2024 IEEE.
Keyword ：
Desalination Desalination Reverse osmosis Reverse osmosis Water supply Water supply Water supply systems Water supply systems Wind power Wind power
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| GB/T 7714 | Liu, Zhiyuan , Zheng, Wendi , Yuan, Jiajun et al. Optimal Configuration of Island Water-Energy Nexus Systems Considering Multistage Desalination [C] . 2024 : 278-283 . |
| MLA | Liu, Zhiyuan et al. "Optimal Configuration of Island Water-Energy Nexus Systems Considering Multistage Desalination" . (2024) : 278-283 . |
| APA | Liu, Zhiyuan , Zheng, Wendi , Yuan, Jiajun , Zhang, Bingtao , Lv, Bochao , Sun, Jin . Optimal Configuration of Island Water-Energy Nexus Systems Considering Multistage Desalination . (2024) : 278-283 . |
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With the development of clean energy technologies such as hydrogen energy, public transportation systems are facing a critical moment to switch to new energy transportation. Therefore, this paper takes the electric-hydrogen integrated charging station (EHICS) constructed by electrolyzer, hydrogen storage tank, cold ironing (CI), and swapping electricity compartment (SEC) as the object of research, and formulates the optimized configuration scheme. Analyze the adjustable characteristics of the SEC and CI in depth, and establish the adjustable mathematical model of battery and electric ship charging. The nonlinear function in the optimization model is linearized to establish a mixed integer linear programming model. With the goal of minimizing the comprehensive cost of the system, the proposed configuration method can effectively improve the flexibility and economy of the electric-hydrogen integrated charging station through the comparative analysis of different cases. © 2024 IEEE.
Keyword ：
Charging (batteries) Charging (batteries) Hydrogen storage Hydrogen storage Integer programming Integer programming
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| GB/T 7714 | Yuan, Jiajun , Zheng, Wendi , Liu, Zhiyuan et al. Optimization Configuration of Electric Hydrogen Integrated Charging Station for New Energy Transportation with Adjustable Characteristics [C] . 2024 : 1848-1854 . |
| MLA | Yuan, Jiajun et al. "Optimization Configuration of Electric Hydrogen Integrated Charging Station for New Energy Transportation with Adjustable Characteristics" . (2024) : 1848-1854 . |
| APA | Yuan, Jiajun , Zheng, Wendi , Liu, Zhiyuan , Zhang, Bingtao , Lv, Bochao , Sun, Jin . Optimization Configuration of Electric Hydrogen Integrated Charging Station for New Energy Transportation with Adjustable Characteristics . (2024) : 1848-1854 . |
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In an open electricity market environment, power generators and large users participating in bilateral transactions have to use limited information to estimate each other's reservation prices, to help themselves adjust and improve their offer strategies, and to improve the probability of successful transactions. A reservation price pricing method combining perceived value and cost is proposed, based on which a bilateral transaction negotiation model is constructed. We estimate the actual utility of power consumers (power generators) through the expected use value of the power generators (power consumers) and determine the other party's reservation price by combining the cost of power generation and willingness to pay. We describe the participants' offer strategies through concession factors and examine the dynamic iterative process of participants' negotiation. The analyses of the algorithms show that the method can be applied to one-to-many and many-to-many transaction matching, but the transaction steps will be more complicated when the offer gap between the matching parties is too large. © 2024 IEEE.
Keyword ：
Behavioral research Behavioral research Charging (batteries) Charging (batteries) Cost benefit analysis Cost benefit analysis Economics Economics Iterative methods Iterative methods
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| GB/T 7714 | Sun, Jin , Zheng, Wendi , Lv, Bochao et al. A Negotiation Model for Bilateral Contracting Considering Perceived Value [C] . 2024 : 2434-2440 . |
| MLA | Sun, Jin et al. "A Negotiation Model for Bilateral Contracting Considering Perceived Value" . (2024) : 2434-2440 . |
| APA | Sun, Jin , Zheng, Wendi , Lv, Bochao , Zhang, Bingtao , Yuan, Jiajun , Liu, Zhiyuan . A Negotiation Model for Bilateral Contracting Considering Perceived Value . (2024) : 2434-2440 . |
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The PEMFC(Proton Exchange Membrane Fuel Cell) possesses the advantages of high energy efficiency, simple structure, zero-emission, etc., which has great development potential and application prospects. Modeling research is very important for the characterization, structural design, and control strategy analysis of PEMFC. In this work, a comprehensive PEMFC model is proposed based on simplifying assumptions and operating mechanisms. The model consists of a voltage model, an anode model, a cathode model, and a membrane model, and considers the transmembrane transport of water and gases. In addition, the model is designed based on operating conditions and physical design parameters to enable a more accurate characterization of the fuel cell. The influence of operating conditions on the output characteristics of PEMFC was explored using the developed model. The developed model can be used to optimize the design of the PEMFC. © 2024 IEEE.
Keyword ：
Electrodes Electrodes Energy efficiency Energy efficiency Proton exchange membrane fuel cells (PEMFC) Proton exchange membrane fuel cells (PEMFC) Structural design Structural design
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| GB/T 7714 | Lv, Bochao , Zheng, Wendi , Sun, Jin et al. Modeling and Simulation of PEMFC Based on Physical Design Parameters [C] . 2024 : 1038-1044 . |
| MLA | Lv, Bochao et al. "Modeling and Simulation of PEMFC Based on Physical Design Parameters" . (2024) : 1038-1044 . |
| APA | Lv, Bochao , Zheng, Wendi , Sun, Jin , Yuan, Jiajun , Liu, Zhiyuan , Zhang, Bingtao . Modeling and Simulation of PEMFC Based on Physical Design Parameters . (2024) : 1038-1044 . |
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Considering the waste incineration plant-carbon capture (WIP-CC) system and market mechanisms, the optimal dispatching strategy of nearly-zero carbon integrated energy system (NZC-IES) is proposed. The incineration of large amounts of Municipal Solid Waste can result in significant carbon emission and air pollution. However, lack of consideration of mechanisms for carbon processing and environmental protection will prevent the development of NZC-IES. Accordingly, a novel mixed integer nonlinear mathematical model, NZC-IES, is established that minimizes the total cost and controls carbon emission and air pollution. Unlike previous studies of optimal dispatching for WIP-CC system, the climate and health costs of WIP and the social costs of energy sources for CC are consid-ered. A model of adjustable thermoelectric ratios for WIP and a model for CC with the storage tanks are established to enhance the flexibility of the thermoelectric output. Also, demand response model and ladder-type carbon trading model are developed to serve for NZC-IES. Case studies reveal that the proposed optimal dispatching strategy can realize the waste to energy utilization and low-carbon emission with economic performance.& COPY; 2023 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
Keyword ：
Carbon capture system Carbon capture system Demand response Demand response energy system energy system Ladder-type carbon trading Ladder-type carbon trading Market mechanism Market mechanism Nearly-zero carbon integrated Nearly-zero carbon integrated Waste incineration plant Waste incineration plant
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| GB/T 7714 | Zheng, Wendi , Xu, Zhihong , Shao, Zhenguo et al. Optimal dispatch of nearly-zero carbon integrated energy system considering waste incineration plant-carbon capture system and market mechanisms [J]. | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY , 2023 , 48 (69) : 27013-27031 . |
| MLA | Zheng, Wendi et al. "Optimal dispatch of nearly-zero carbon integrated energy system considering waste incineration plant-carbon capture system and market mechanisms" . | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 48 . 69 (2023) : 27013-27031 . |
| APA | Zheng, Wendi , Xu, Zhihong , Shao, Zhenguo , Li, Jihui , Lei, Kebo , Li, Jiurong . Optimal dispatch of nearly-zero carbon integrated energy system considering waste incineration plant-carbon capture system and market mechanisms . | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY , 2023 , 48 (69) , 27013-27031 . |
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Hydrogen is injected into the existing natural gas network to form hydrogen-rich com-pressed natural gas (HCNG), effectively addressing the high cost of hydrogen transmission. However, the traditional IES model cannot be used due to the hydrogen injection's effect on gas properties and the vague characteristics of the transport and separation processes. Therefore, this paper proposes an HCNG penetrated integrated energy system (HPIES) optimal dispatching method by comprehensively modelling the injection, transmission, and separation processes of HCNG. An HCNG mass flow rate model considering variable mixing ratio and unknown beginning flow direction is developed to describe the effect of hydrogen injection. Furthermore, the hydrogen separation model is established by intro-ducing a combined membrane and pressure swing adsorption separation process. The tightening McCormick algorithm is proposed to solve quickly HPIES optimal dispatch problem with an acceptable feasibility check. Finally, case studies on the HPIES consisting of IEEE 39-bus power system and 20-node natural gas system validate the effectiveness of the algorithm and model. The results show that the average error is 0.031% for the bilinear term constraint.(c) 2023 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
Keyword ：
Convex relaxation Convex relaxation Hydrogen enriched compressed Hydrogen enriched compressed Hydrogen injection Hydrogen injection Hydrogen separation Hydrogen separation Integrated energy system Integrated energy system natural gas (HCNG) natural gas (HCNG)
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| GB/T 7714 | Zheng, Wendi , Li, Jihui , Lei, Kebo et al. Optimal dispatch of HCNG penetrated integrated energy system based on modelling of HCNG process [J]. | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY , 2023 , 48 (51) : 19437-19449 . |
| MLA | Zheng, Wendi et al. "Optimal dispatch of HCNG penetrated integrated energy system based on modelling of HCNG process" . | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 48 . 51 (2023) : 19437-19449 . |
| APA | Zheng, Wendi , Li, Jihui , Lei, Kebo , Shao, Zhenguo , Li, Jiurong , Xu, Zhihong . Optimal dispatch of HCNG penetrated integrated energy system based on modelling of HCNG process . | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY , 2023 , 48 (51) , 19437-19449 . |
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The widespread adoption of new energy vehicles has resulted in a significant increase in charging demand, and it has become a key problem to deeply understand the charging demand and reasonably develop electric/hydrogen charging station. However, insufficient consideration of charging behavior uncertainty in existing approaches for optimal charging station configuration could result in poor performance. This paper presents a methodology for optimizing the configuration of electric/hydrogen charging stations by taking into account the user behavior characteristics. Firstly, a comprehensive mathematical model of the electric/hydrogen charging station that integrates wind, solar, storage, and charging is established. Secondly, a mixed utility-regret decision model is developed to account for the uncertainty in user travel and charging behavior, which incorporates the travel chain and user psychology. Finally, the optimization objective is solved with the lowest comprehensive cost of the charging station. By comparing the three cases, the proposed method can obtain a reasonable configuration scheme, which can improve the economy and flexibility of the electric/hydrogen charging station. © 2023 IEEE.
Keyword ：
Behavioral research Behavioral research Charging (batteries) Charging (batteries) Electric vehicles Electric vehicles
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| GB/T 7714 | Li, Jiurong , Zheng, Wendi , Li, Jihui et al. Optimal Configuration of Electric/hydrogen Charging Station Based on User Behavior Characteristics [C] . 2023 : 357-364 . |
| MLA | Li, Jiurong et al. "Optimal Configuration of Electric/hydrogen Charging Station Based on User Behavior Characteristics" . (2023) : 357-364 . |
| APA | Li, Jiurong , Zheng, Wendi , Li, Jihui , Lei, Kebo , Xu, Zhihong . Optimal Configuration of Electric/hydrogen Charging Station Based on User Behavior Characteristics . (2023) : 357-364 . |
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With the large-scale application of the proton exchange membrane electrolysis cell (PEMEC), the power allocation of the multi-stack PEMEC system has attracted ever-growing attention. However, fluctuating power significantly affects the lifetime and energy efficiency of the system. In this work, a power allocation strategy of the system is proposed based on detailed modeling and characteristics analysis. A complete model of PEMEC is developed considering bubble coverage for research of operating characteristics. To analyze the energy efficiency characteristics of the system, a power model of the PEMEC stack is established. A mathematical method to realtime obtain the frontier of optimal energy efficiency of stacks is also proposed. The degradation model of the proton exchange membrane is developed to determine the safe operation boundary. And then considering the operating status, voltage degradation is introduced to characterize the degradation of PEMEC dynamically. Finally, a power allocation strategy is proposed considering the system's energy efficiency and degradation. Furthermore, a composite revenue function is presented to compare the performance of different power allocation strategies. The results show that the system has the highest consolidated revenue under the proposed strategy. Current work is conducive to the popularization and generalization of the multi-stack PEMEC system.
Keyword ：
Bubble coverage Bubble coverage Energy efficiency Energy efficiency (PEMEC) (PEMEC) Power allocation strategy Power allocation strategy Proton exchange membrane electrolysis cell Proton exchange membrane electrolysis cell Voltage degradation Voltage degradation
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| GB/T 7714 | Zheng, Wendi , Lv, Bochao , Shao, Zhenguo et al. Optimization of power allocation for the multi-stack PEMEC system considering energy efficiency and degradation [J]. | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY , 2023 , 53 : 1210-1225 . |
| MLA | Zheng, Wendi et al. "Optimization of power allocation for the multi-stack PEMEC system considering energy efficiency and degradation" . | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 53 (2023) : 1210-1225 . |
| APA | Zheng, Wendi , Lv, Bochao , Shao, Zhenguo , Zhang, Bingtao , Liu, Zhiyuan , Sun, Jin et al. Optimization of power allocation for the multi-stack PEMEC system considering energy efficiency and degradation . | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY , 2023 , 53 , 1210-1225 . |
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As a new form of energy supply that integrates energy charging and renewable energy consumption, electric hydrogen charging stations have a broad prospect in realizing clean energy. However, safety concerns have prevented further commercialization. Therefore, the safe operation strategy of an electric-hydrogen charging station with a gas-solid hydrogen storage system is proposed in this paper. The risk of hydrogen energy utilization is reduced by changing the form of hydrogen storage. First, considering the interaction force between hydrogen atoms, a non-ideal gas pressure formula based on compression factor is proposed to accurately describe the nonlinear pressure growth in hydrogen storage tank. Then, the TNT equivalent method and half-lethal range are introduced to quantify the risk of hydrogen storage tanks. Safety constraints and quantitative control indexes are constructed to provide the optimization model's safety boundaries and decision-making direction. Finally, the original metal hydrogen storage model is approximated by the hypothesis, and the hydrogen form transformation equation is constructed from the perspective of the power grid. The case study shows that when the metal hydrogen storage amount accounts for 20%~30% of the total hydrogen storage, the optimal safe running effect of the electricity - hydrogen charging station is achieved. ©2023 Chin.Soc.for Elec.Eng.
Keyword ：
electric-hydrogen charging station electric-hydrogen charging station metal hydrogen storage metal hydrogen storage non-ideal gas pressure non-ideal gas pressure risk quantification risk quantification
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| GB/T 7714 | Zheng, W. , Lei, K. , Wang, X. et al. Safe Operation Strategy of Electric-hydrogen Charging Station With Gas-solid Hydrogen Storage Characteristics; [考虑气–固两相储氢特性的电–氢充能站安全运行策略] [J]. | Proceedings of the Chinese Society of Electrical Engineering , 2023 , 43 (18) : 6965-6977 . |
| MLA | Zheng, W. et al. "Safe Operation Strategy of Electric-hydrogen Charging Station With Gas-solid Hydrogen Storage Characteristics; [考虑气–固两相储氢特性的电–氢充能站安全运行策略]" . | Proceedings of the Chinese Society of Electrical Engineering 43 . 18 (2023) : 6965-6977 . |
| APA | Zheng, W. , Lei, K. , Wang, X. , Shao, Z. , Li, J. , Xu, Z. et al. Safe Operation Strategy of Electric-hydrogen Charging Station With Gas-solid Hydrogen Storage Characteristics; [考虑气–固两相储氢特性的电–氢充能站安全运行策略] . | Proceedings of the Chinese Society of Electrical Engineering , 2023 , 43 (18) , 6965-6977 . |
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The hydrogen/electric vehicle charging station (HEVCS) is widely regarded as a highly attractive system for facilitating the popularity of hydrogen and electric vehicles in the future. However, conventional optimal dispatch of HEVCS could lead to poor performance due to the lack of adequate consideration of vehicle charging decision behaviours and neglection of the impacts of different information sources on it. This paper investigates a charging demand prediction method that considers multi-source information and proposes a multi-objective optimal dispatching strategy of HEVCS. First, an information interaction framework of integrated road network, vehicles and HEVCS is introduced. Road network model and HEVCS model are established based on the proposed framework. To improve the flexibility of dispatch, two charging modes are designed, which are intended to guide drivers to adjust their consumption behaviour by electricity price incentives. Furthermore, psychologically based hybrid utility-regret decision model and WeberFechner (W-F) stimulus model are developed to reasonably predict drivers' choice of charging stations and charging modes. The daily revenue of HEVCS and the total queuing time of drivers are the objective functions considered in this paper simultaneously. The above multi-objective optimization results that the proposed strategy can effectively improve the benefits of HEVCS and reduce energy waste. Additionally, this paper discusses the results of a sensitivity analysis conducted by varying incentive discount, which reveals the combined benefits of the HEVCS and the vehicles are effectively increased by setting reasonable incentive discounts.& COPY; 2023 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
Keyword ：
Charging decision prediction Charging decision prediction charging station (HEVCS) charging station (HEVCS) Dispatching strategy Dispatching strategy electricity vehicle electricity vehicle Hydrogen Hydrogen Hydrogen and electric vehicles Hydrogen and electric vehicles Multi -source information Multi -source information
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| GB/T 7714 | Zheng, Wendi , Li, Jiurong , Shao, Zhenguo et al. Optimal dispatch of hydrogen/electric vehicle charging station based on charging decision prediction [J]. | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY , 2023 , 48 (69) : 26964-26978 . |
| MLA | Zheng, Wendi et al. "Optimal dispatch of hydrogen/electric vehicle charging station based on charging decision prediction" . | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 48 . 69 (2023) : 26964-26978 . |
| APA | Zheng, Wendi , Li, Jiurong , Shao, Zhenguo , Lei, Kebo , Li, Jihui , Xu, Zhihong . Optimal dispatch of hydrogen/electric vehicle charging station based on charging decision prediction . | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY , 2023 , 48 (69) , 26964-26978 . |
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