Distributed State Perception and Optimization of Distribution Network Based on Block Chain Technology

LI Jun; ZHOU Dongdong; ZHANG Yuqiong; LYU Ganyun; CHEN Wei; JIANG Yu

doi:10.14044/j.1674-1757.pcrpc.2020.03.026

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Distributed State Perception and Optimization of Distribution Network Based on Block Chain Technology

更新时间：2024-09-14

- Distributed State Perception and Optimization of Distribution Network Based on Block Chain Technology
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 41, Issue 3, Pages: 163-169(2020)
- 作者机构：
  
  南京工程学院电力工程学院
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2020.03.026
  CLC： TM714.3
- Published：2020，
- 稿件说明：
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[1]李军,周冬冬,张玉琼,吕干云,陈魏,蒋钰.基于区块链技术的配电网分布式状态感知与优化[J].电力电容器与无功补偿,2020,41(03):163-169+173.

LI JUN, ZHOU DONGDONG, ZHANG YUQIONG, et al. Distributed State Perception and Optimization of Distribution Network Based on Block Chain Technology. [J]. Power capacitor & reactive power compensation, 2020, 41(3): 163-169.
[1]李军,周冬冬,张玉琼,吕干云,陈魏,蒋钰.基于区块链技术的配电网分布式状态感知与优化[J].电力电容器与无功补偿,2020,41(03):163-169+173. DOI： 10.14044/j.1674-1757.pcrpc.2020.03.026.

LI JUN, ZHOU DONGDONG, ZHANG YUQIONG, et al. Distributed State Perception and Optimization of Distribution Network Based on Block Chain Technology. [J]. Power capacitor & reactive power compensation, 2020, 41(3): 163-169. DOI： 10.14044/j.1674-1757.pcrpc.2020.03.026.

摘要

区块链技术作为一种新颖的数据结构组织形式

正逐渐被应用于能源互联网领域的研究当中

为了进一步挖掘区块链技术在配电网中的应用潜力

提出了一种基于区块链技术的配电网分布式状态感知与优化方法

用于替代以可靠通信为前提的传统优化方法。该方法通过分散布置在配电网中的区块链节点构建稀疏的通信网络

依靠少量的测量数据与信息交互

采用估算的方式实现对配电网运行状态的分布式感知。再对优化模型进行分散化处理并结合二阶锥规划（SOCP）凸松弛方法将模型凸化松弛

最后利用交叉方向乘子法（ADMM）实现问题的全分布式求解。以改进的PG&E69节点系统作为算例

在系统通信正常与故障情况下分别进行仿真分析。结果表明

该方法通信负担小、准确性高、能有效提高配电网在弱通信情况下的优化运行能力。

Abstract

As a kind of novel data structure organization

block chain technology is applied gradually in the study of energy internet.In order to exploit application potential of block chain technology in the distribution network further

a kind of distributed state perception and optimization method based on blockchain technology is proposed to replace the traditional optimization method which takes reliable communication as premises.With this method

sparse communication network is constructed in the block chain nodes of the distribution network through distributed arrangement.Small number of information is relied to interact with information and estimation method is adopted to achieve distributed state perception of the operation condition of distribution network.Then

the optimization model is subject to decentralized treatment and the convex relaxation method of second-order cone programming（SOCP） is combined to make the model convex and relaxed.Finally

the alternating direction method of multipliers（ADMM） is used to realize the whole distributed solution of the problem.The improved PG&E69 bus system is taken as an example to simulate and analyze the system under normal and fault communication conditions.It is shown by the result that the method has the advantages of low communication burden

high accuracy and can effectively improve the optimal operation capability of distribution network under weak communication conditions.

关键词

配电网区块链技术状态感知分布化优化

Keywords

distribution gridblock chain technologystate perceptiondistributed optimization

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