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学者姓名：郑文迪
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Abstract ：
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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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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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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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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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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The applicability of reactive power planning model is significantly impacted by the huge amount of renewable energy sources loads that bring about the functioning uncertainty of the distribution network. This paper proposes a bi-level reactive power planning approach that combines the planning with the operation while taking into account the suppressing effect of the SVG (Static Var Generator) on the voltage uncertainty. Firstly, an affine power flow model is built with the dynamic voltage regulation strategy of the SVG in consideration, and an affine power flow algorithm is proposed to obtain the range of the current state quantity while satisfying the capacity constraint of the SVG. On this basis, a bi-level multi-objective reactive power optimization configuration model is established, taking the operational uncertainties into account. The configuration of SVG and capacitors are optimized with the purpose of reducing the scheme’s equivalent annual total cost and the voltage fluctuation. Finally, an example is given to verify the rationality and economy of the uncertain reactive power planning scheme. © 2023 Power System Technology Press. All rights reserved.
Keyword ：
affine power flow algorithm affine power flow algorithm analysis of uncertainty analysis of uncertainty reactive power planning reactive power planning SVG SVG
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| GB/T 7714 | He, S. , Shao, Z. , Zheng, W. et al. Bi-level Uncertain Reactive Power Planning of Distribution Network Considering SVG Dynamic Voltage Regulation Strategy; [计及 SVG 动态调压策略的配电网双层不确定性无功规划配置] [J]. | Power System Technology , 2023 , 47 (12) : 5158-5168 . |
| MLA | He, S. et al. "Bi-level Uncertain Reactive Power Planning of Distribution Network Considering SVG Dynamic Voltage Regulation Strategy; [计及 SVG 动态调压策略的配电网双层不确定性无功规划配置]" . | Power System Technology 47 . 12 (2023) : 5158-5168 . |
| APA | He, S. , Shao, Z. , Zheng, W. , Chen, F. , Li, Y. . Bi-level Uncertain Reactive Power Planning of Distribution Network Considering SVG Dynamic Voltage Regulation Strategy; [计及 SVG 动态调压策略的配电网双层不确定性无功规划配置] . | Power System Technology , 2023 , 47 (12) , 5158-5168 . |
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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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大量可再生能源与新型负荷的运行不确定性较大程度地影响了配电网无功规划模型的工程适用性。考虑到静止无功发生器(static var generator,SVG)动态调压策略对电压不确定性的抑制作用，提出了一种规划与运行相结合的双层无功规划配置方法。首先，考虑SVG动态调压特性，构建不确定性仿射潮流模型，提出了计及SVG动态调压策略的仿射潮流算法，求解满足SVG容量约束下潮流状态量的波动区间。在此基础上，建立了考虑运行不确定性的双层多目标无功规划配置模型，以最小化规划方案等值年总成本与电压波动指标作为目标，解决SVG和电容器组的最优配置问题。最后，通过算例验证了不确定性无功规划方案的合理性和经济性。
Keyword ：
SVG SVG 不确定性分析 不确定性分析 仿射潮流算法 仿射潮流算法 无功规划 无功规划
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| GB/T 7714 | 何松涛 , 邵振国 , 郑文迪 et al. 计及SVG动态调压策略的配电网双层不确定性无功规划配置 [J]. | 电网技术 , 2023 , 47 (12) : 5158-5170 . |
| MLA | 何松涛 et al. "计及SVG动态调压策略的配电网双层不确定性无功规划配置" . | 电网技术 47 . 12 (2023) : 5158-5170 . |
| APA | 何松涛 , 邵振国 , 郑文迪 , 陈飞雄 , 李壹民 . 计及SVG动态调压策略的配电网双层不确定性无功规划配置 . | 电网技术 , 2023 , 47 (12) , 5158-5170 . |
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At present, battery energy storage systems are available in increasingly higher voltage levels and capacities. The traditional topology cannot meet the demand, and the converter needs to adopt the multilevel voltage topology. In this paper, an exquisite equivalent modeling method for energy storage modular multilevel converter (MMC) is proposed. In this method, the model parameters of the bridge arm and battery pack are obtained by the Kalman filtering algorithm and improved recursive least square method. Secondly, the whole bridge arm is equivalent by using Thevenin's theorem, and the simplified equivalent modeling of the whole bridge arm is realized. Time domain simulation results show that this method can achieve fine equivalent modeling of energy-storage MMC, reduce the number of electrical nodes in the simulation circuit, and greatly reduce the amount of calculation. © Published under licence by IOP Publishing Ltd.
Keyword ：
Battery storage Battery storage Electric batteries Electric batteries Least squares approximations Least squares approximations Power converters Power converters Time domain analysis Time domain analysis Topology Topology
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| GB/T 7714 | Yang, Xiaodong , Jiang, Wenjin , Huang, Xianan et al. An Exquisite Modeling Method for Energy Storage of MMC [C] . 2023 . |
| MLA | Yang, Xiaodong et al. "An Exquisite Modeling Method for Energy Storage of MMC" . (2023) . |
| APA | Yang, Xiaodong , Jiang, Wenjin , Huang, Xianan , Tu, Xiazhe , Yang, Yanwei , Shen, Yu et al. An Exquisite Modeling Method for Energy Storage of MMC . (2023) . |
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