基于有限状态机转换矩阵建模的直流配电系统精细化控制

doi:10.11930/j.issn.1004-9649.202011130

中国电力 ›› 2021, Vol. 54 ›› Issue (10): 89-96.DOI: 10.11930/j.issn.1004-9649.202011130

• 中低压直流配用电关键技术专栏 • 上一篇下一篇

基于有限状态机转换矩阵建模的直流配电系统精细化控制

刘海涛, 熊雄, 季宇

中国电力科学研究院有限公司, 北京 100192

收稿日期:2020-11-29 修回日期:2021-03-27 出版日期:2021-10-05 发布日期:2021-10-16
作者简介:刘海涛(1978-),男,博士,高级工程师(教授级),从事直流配电、分布式发电与微电网等研究,E-mail:lhtcn@epri.sgcc.com.cn;熊雄(1988-),男,博士,高级工程师,从事直流配电、交直流混合微电网运行控制等研究,E-mail:xiongxiong.epri.sgcc.com.cn;季宇(1982-),男,博士,高级工程师,从事直流配电、分布式发电集群控制等研究,E-mail:jiyu@epri.sgcc.com.cn
基金资助:
国家重点研发计划资助项目（中低压直流配用电系统关键技术及应用，2018YFB0904700）

Precise Control of DC Distributed System Based on Finite State Machine Matrix Modeling

LIU Haitao, XIONG Xiong, JI Yu

China Electric Power Research Institute, Beijing 100192, China

Received:2020-11-29 Revised:2021-03-27 Online:2021-10-05 Published:2021-10-16
Supported by:
This work is supported by the National Key Research and Development Program of China (Key Technology and Demonstration Application for DC Distribution and Consumption System with Medium and Low Voltage, No.2018YFB0904700)

摘要/Abstract

摘要： 电力电子化和多电压等级化是未来直流配电的两大基本特征，对系统进行精细化和分散化控制是直流配电控制领域亟待研究的问题。针对中低压直流配电系统多运行状态、多元电力电子装备和多控制模式现状，建立了有限状态机矩阵对系统多重运行状态及相互切换过程进行数学描述，同时提出系统基于多换流器并网的协调控制策略，实现平滑切换的同时达到精细化控制。该方法将直流配电系统当前运行状态和触发条件作为控制器输入变量，待转换状态和系统协调控制策略作为输出变量，建立数学模型。最后，通过仿真分析验证了所提方法的正确性和有效性。

关键词: 直流配电, 运行状态, 平滑切换, 精细化控制, 有限状态机

Abstract: Power electronics dominated and multi-voltage are the two basic characteristics of DC power distribution in the future. How to achieve precise control and decentralized control is an urgent problem in the field of DC power distribution control. Aiming at the status of multi-operation state, multi-power electronic equipment and multi-control mode of DC power distribution system, a finite state machine matrix is established to describe the multiple states and mutual switching process of the system. At the same time, the system is based on the coordinated control strategy of each converter to achieve smooth switching and precise control. The proposed method uses the current state and triggering condition as the controller input variable and the new state and coordinated control strategy as output variables to establish a mathematical model. Finally, the correctness and effectiveness of the proposed method are verified by simulation analysis.

Key words: DC distribution system, operation state, smoothly switch, precise control, finite state machine

刘海涛, 熊雄, 季宇. 基于有限状态机转换矩阵建模的直流配电系统精细化控制[J]. 中国电力, 2021, 54(10): 89-96.

LIU Haitao, XIONG Xiong, JI Yu. Precise Control of DC Distributed System Based on Finite State Machine Matrix Modeling[J]. Electric Power, 2021, 54(10): 89-96.

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基于有限状态机转换矩阵建模的直流配电系统精细化控制

Precise Control of DC Distributed System Based on Finite State Machine Matrix Modeling

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基于有限状态机转换矩阵建模的直流配电系统精细化控制

Precise Control of DC Distributed System Based on Finite State Machine Matrix Modeling

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