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24th International Conference on Electrical Machines and Systems (ICEMS)

作者： Choi, Jung-Sik Oh, Seung-Yeol Cha, Dae-Seak Ko, Byoung-Sun Korea Eletron Technol Inst Energy Convergence Res Ctr Gwangju South Korea

ISBN: (纸本)9788986510218

This article presents the construction of DC building simulation site and its operation strategy. The DC building is composed of distributed power sources such as photovoltaic, fuel cell, redox flow battery, and V2G-capable EV charger, and DC appliances. The DC building operates as grid-connection mode and island mode, and the effectiveness of the operation strategy according to each scenario was verified through empirical data.

关键词： DC building DC microgrid distributed power source energy management

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A Self-healing Method of Distribution Network with distributed power sources Based on Chaotic Adaptive Artificial Fish Swarm Algorithm 34

A Self-healing Method of Distribution Network with Distribut...

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34th Chinese Control and Decision Conference (CCDC)

作者： Tan, Huijuan Li, Shiming Guo, Wenxin Zhao, Ruifeng Xu, Zhanqiang Power Dispatching Control Ctr Guangdong Power Gri Guangzhou 510000 Peoples R China

ISBN: (纸本)9781665478960

In view of the volatility and randomness of distributed power sources in the distribution network, a self-healing optimization method of distribution network based on chaotic adaptive artificial fish swarm algorithm is proposed in this paper. Based on the mathematical modeling and node division of wind power, photovoltaics and household energy storage, with the minimum active power loss of the system as the objective function, a self-healing distribution network structure optimization model of distribution network including distributed generation and household energy storage is established. The chaotic adaptive artificial fish swarm algorithm is used to realize the optimization of the self-healing distribution network structure of distribution network through adaptively and dynamically adjusting the step parameters. According to the output characteristics of the household energy storage system, the self-healing distribution network structure is divided into two typical work scenarios. The effectiveness of the method proposed in this paper is verified by a simulation example of an IEEE33 node test system with distributed generation. The simulation results show that the method proposed in this paper provides a theoretical basis for the development of intelligent active distribution network and selfhealing test technology.

关键词： intelligent distribution network self-healing grid simulation chaotic adaptive artificial fish swarm algorithm distributed power source

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A Self-healing Method of Distribution Network with distributed power sources Based on Chaotic Adaptive Artificial Fish Swarm Algorithm

A Self-healing Method of Distribution Network with Distribut...

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第34届中国控制与决策会议

作者： Huijuan Tan Shiming Li Wenxin Guo Ruifeng Zhao Zhanqiang Xu Power Dispatching Control Center of Guangdong Power Grid Co. Ltd.

In view of the volatility and randomness of distributed power sources in the distribution network,a selfhealing optimization method of distribution network based on chaotic adaptive artificial fish swarm algorithm is proposed in this *** on the mathematical modeling and node division of wind power,photovoltaics and household energy storage,with the minimum active power loss of the system as the objective function,a self-healing distribution network structure optimization model of distribution network including distributed generation and household energy storage is *** chaotic adaptive artificial fish swarm algorithm is used to realize the optimization of the self-healing distribution network structure of distribution network through adaptively and dynamically adjusting the step *** to the output characteristics of the household energy storage system,the self-healing distribution network structure is divided into two typical work *** effectiveness of the method proposed in this paper is verified by a simulation example of an IEEE33 node test system with distributed *** simulation results show that the method proposed in this paper provides a theoretical basis for the development of intelligent active distribution network and selfhealing test technology.

关键词： intelligent distribution network self-healing grid simulation chaotic adaptive artificial fish swarm algorithm distributed power source

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A micro grid information architecture with open source components 6

A micro grid information architecture with open source compo...

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6th International Conference on Fog and Mobile Edge Computing(FMEC)

作者： Smith, Andrew Cyrus Mkhize, Buhle Mahlobo, Boitumelo Isaac, Sherrin John CSIR Pretoria South Africa

ISBN: (纸本)9781665458702

Presented is an information system architecture based on open source platforms to support the successful management of a micro grid. The paper justifies the use of open source platforms in the micro grid context. Also given are the benefits of a micro grid as it relates to distributed energy generation and subsequently the need explained for an information system that keeps a record of all devices and their interconnections, while simultaneously providing access to instantaneous data along various points in the micro grid. Three examples of services made possible by the architecture are given.

关键词： Digital twin internet of things micro grid distributed power source open source

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Parallelization of Boost and Buck Type DC-DC Converters by Individual Passivity-Based Control

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IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES 2020年第3期E103A卷 589-595页

作者： Murakawa, Yuma Sadanda, Yuhei Hikihara, Takashi Kyoto Univ Dept Elect Engn Kyoto 6158510 Japan

This paper discusses the parallelization of boost and buck converters. Passivity-based control is applied to each converter to achieve the asymptotic stability of the system. The ripple characteristics, error characteristics, and time constants of the parallelized converters are discussed with considering the dependency on the feedback gains. The numerical results are confirmed to coincide with the results in the experiment for certain feedback gains. The stability of the system is also discussed in simulation and experiment. The results will be a step to achieve the design of parallel converters.

关键词： parallelization DC-DC converter passivity-based control distributed power source

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Regulation of Parallel Connected Boost and Buck Converters by Passivity-Based Control

Regulation of Parallel Connected Boost and Buck Converters b...

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IEEE Workshop on Wide Bandgap power Devices and Applications in Asia (WiPDA Asia)

作者： Murakawa, Yuma Hikihara, Takashi Kyoto Univ Dept Elect Engn Kyoto Japan

ISBN: (纸本)9781728159553

Variety of power sources are distributed in power systems at various classes of voltage, current, and power output capacities. They must be cooperatively used through parallel connected DC-DC converters for high efficiency and reliability. This paper proposes a passivity-based control for the regulation of parallel connected boost and buck converters. It is shown that the application of passivity-based control for each converter guarantees asymptotic stability of the whole system. The stability of the system is discussed through simulation and experiment. Transient and steady-state characteristics are examined depending on the setting of feedback gain.

关键词： passivity-based control DC-DC converter distributed power source parallel connection

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Optimization algorithm for power-source arrangement that levels the fluctuations in wide-area networks of renewable energy

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ENERGY 2018年 142卷 447-461页

作者： Obara, Shin'ya Ito, Yuji Okada, Masaki Kitami Inst Technol Power Engn Lab Dep Elect & Elect Engn Koen Cho 165 Kitami Hokkaido 0908507 Japan Hokkaido Elect Power Co Inc Chyou Ku Oodori Higashi 1-2 Sapporo Hokkaido 0608677 Japan Asahikawa Coll Natl Inst Technol Dep Mech Syst Engn Shyunkodai 2-2-1-6 Asahikaw Hokkaido 0718142 Japan

Fluctuations in individual renewable-energy supplies are largely reduced by distributing the renewable energy over a wide-area transmission network. Therefore, a new analysis algorithm for determining the amount of renewable energy in a wide-area transmission network was developed in this study. Accounting for the power interchange in the transmission network and the energy storage in electric heat pumps and heat storage tanks, the objective function plans the arrangement of the electric power sources that maximizes the economic efficiency of the system. The developed algorithm was applied to Hokkaido, Japan. The areas and capacities of the introduced renewable energies, and the amount of electric power interchanged through the transmission line, were determined. The installed capacity and economic efficiency of the backup power supply and energy storage equipment (heat storage) were also investigated. In this area, the introductory rate of renewable energy was 39.5% of the total electricity production. Moreover, the cost of a distributed power-supply network was 9.99 x 10(10) USD. The proposed system is equivalent to 1.88 years of Hokkaido's energy consumption. (C) 2017 Elsevier Ltd. All rights reserved.

关键词： distributed power source power-source arrangement Wide-area network power interchange Renewable energy Genetic algorithm

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Stable power Supply Method for Household Appliances via Virtual Synchronous Generator in Single-Phase Three-Wire Microgrid 8

Stable Power Supply Method for Household Appliances via Virt...

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8th International power Electronics Conference (IPEC-Niigata) / Energy Conversion Congress and Exposition (ECCE Asia)

作者： Hirase, Yuko Nakagawa, Hidehiko Yoshimura, Eiji Katsura, Shogo Abe, Kensho Noro, Osamu Sugimoto, Kazushige Sakimoto, Kenichi Kawasaki Technol Co Ltd 1-1 Kawasaki Cho Akashi Hyogo 6738666 Japan Kawasaki Heavy Ind Co Ltd 1-1 Kawasaki Cho Akashi Hyogo 6738666 Japan

ISBN: (纸本)9784886864055

distributed inverter-based power sources have become the main components of microgrids (MGs), and the virtual synchronous generator (VSG) concept is considered useful for improving the robustness of MGs. However, various problems such as the burden of unbalanced loads, parallel operation of multiple inverters, and harmonics of the system voltage received from household electric loads can arise when constructing an MG in an emergency using a domestic single-phase three-wire (1P3W) system. Therefore, we introduce a new VSG method for 1P3W systems to address these issues. This method is based on the previously proposed VSG methods for three-phase and single-phase two-wire systems. In this paper, we demonstrate that a small-capacity inverter with two VSGs can stably supply electrical power to 1P3W home appliances.

关键词： distributed power source Harmonic Mitigation Single-Phase Three-Wire Virtual Synchronous Generator

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The prospects of the expanded diffusion of cogeneration to 2030-Study on new value in cogeneration

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APPLIED THERMAL ENGINEERING 2017年 114卷 1403-1413页

作者： Tomofuji, Daisuke Morimoto, Yoshinori Sugiura, Eitaro Ishii, Toshiyasu Akisawa, Atsushi Adv Cogenerat & Energy Utilizat Ctr Japan Minato Ku 1-16-4 Toranomon Tokyo Japan

In light of the situation after the Great East Japan Earthquake, new attention has been focused on cogeneration for its value as a distributed power source (i.e., power source value) and as a means enabling business continuity even in times of grid power supply shortage and emergencies (i.e., BCP value). The study of expanded diffusion of cogeneration to 2030 examined these forms of value and considered their substance and quantitative assessment. In connection with its power source value, cogeneration can be rated in terms of reduction in the total power cost resulting from replacement of superannuated power plants. The study recognized a certain value for this effect. As for its BCP value, the study discovered a methodology for quantitative assessment in terms of the monetary value of loss avoided by cogeneration. Furthermore, a trial calculation of BCP value using this methodology suggested that cogeneration could yield a value equivalent to the ordinary effect for reduction of energy use. (C) 2016 Elsevier Ltd. All rights reserved.

关键词： Cogeneration distributed power source BCP Non-energy benefit

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Stable power Supply Method for Household Appliances via Virtual Synchronous Generator in Single-Phase Three-Wire Microgrid

Stable Power Supply Method for Household Appliances via Virt...

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International power Electronics Conference

作者： Yuko Hirase Hidehiko Nakagawa Eiji Yoshimura Shogo Katsura Kensho Abe Osamu Noro Kazushige Sugimoto Kenichi Sakimoto Kawasaki Technology Co. Ltd. Akashi Japan Kawasaki Heavy Industries Ltd. Akashi Japan

关键词： distributed power source Harmonic Mitigation Single-Phase Three-Wire Virtual Synchronous Generator

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