基于Simulink的同步发电机仿真代数环问题研究

doi:10.16182/j.issn1004731x.joss.20-0805

系统仿真学报 ›› 2022, Vol. 34 ›› Issue (3): 482-489.doi: 10.16182/j.issn1004731x.joss.20-0805

基于Simulink的同步发电机仿真代数环问题研究

王爽¹(), 高朝晖¹(), 陈思宇², 汤孝¹, 郗展¹

^1.西北工业大学自动化学院，陕西西安 710129
^2.航空工业成都飞机设计研究所，四川成都 610073

收稿日期:2020-10-21 修回日期:2020-12-01 出版日期:2022-03-18 发布日期:2022-03-22
通讯作者: 高朝晖 E-mail:ada@mail.nwpu.edu.cn;holly@nwpu.edu.cn
作者简介:王爽(1997-)，女，硕士生，研究方向为电力电子及飞机电力系统仿真。E-mail：ada@mail.nwpu.edu.cn
基金资助:
西北工业大学硕士研究生创意创新种子基金(CX2020022)

Research on Algebraic Loop of Synchronous Generator Simulation Based on Simulink

Shuang Wang¹(), Zhaohui Gao¹(), Siyu Chen², Xiao Tang¹, Zhan Xi¹

^1.School of Automation, Northwestern Polytechnical University, Xi'an 710129, China
^2.Chengdu Aircraft Design and Research Institute of Aviation Industry, Chengdu 610073, China

Received:2020-10-21 Revised:2020-12-01 Online:2022-03-18 Published:2022-03-22
Contact: Zhaohui Gao E-mail:ada@mail.nwpu.edu.cn;holly@nwpu.edu.cn

摘要/Abstract

摘要：

代数环在Simulink仿真中普遍存在，代数环的存在会降低仿真速度和精度，甚至导致仿真出错。以同步发电机仿真为例，对Simulink仿真中出现的代数环问题及其消除方法进行研究。从同步发电机基本方程分析入手，探讨仿真中引起代数环的原因，指出代数环对系统仿真的影响，重点讨论利用拆解法和变换法消除代数环，并从仿真时间、仿真精度等方面，对消除代数环后系统仿真结果进行对比分析。结果表明：代数环消除后系统仿真速度明显提高；变换法较拆解法，在系统动态仿真精度上有显著优势。

关键词: 代数环, 拆解法, 变换法, 同步发电机系统仿真

Abstract:

The problem of algebraic loop is common in Simulink simulation. The existence of algebraic loop will reduce the speed and accuracy of simulation, and even lead to errors in simulation results. Taking the simulation of synchronous generator as an example, the problem of algebraic loop and its elimination method in Simulink simulation are discussed. Starting from the analysis of the basic equations of synchronous generator, the cause of algebraic loop in simulation is discussed, the influence of the algebraic loop on the system simulation is pointed out, using disassembly method and transformation method, focusing on eliminating the algebraic loop, the system simulation results after eliminating the algebraic loop by using several methods are compared and analyzed, from the aspects of simulation time and simulation accuracy. The results show that the simulation speed of the system is obviously improved after the algebraic loop is eliminated, and the transformation method has a significant advantage over the disassembly method in the dynamic simulation accuracy of the system.

Key words: algebraic loop, disassembly method, transformation method, synchronous generator system simulation

中图分类号:

TM743

王爽, 高朝晖, 陈思宇, 汤孝, 郗展. 基于Simulink的同步发电机仿真代数环问题研究[J]. 系统仿真学报, 2022, 34(3): 482-489.

Shuang Wang, Zhaohui Gao, Siyu Chen, Xiao Tang, Zhan Xi. Research on Algebraic Loop of Synchronous Generator Simulation Based on Simulink[J]. Journal of System Simulation, 2022, 34(3): 482-489.

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消除方法	模型	平均耗时/s
未使用	初始模型	18.096 0
拆解法	使用Unit Delay模块	2.321 3
	使用Memory模块	2.574 2
	使用一阶惯性环节	2.513 2
变换法	方程变换法	2.396 4

基于Simulink的同步发电机仿真代数环问题研究

Research on Algebraic Loop of Synchronous Generator Simulation Based on Simulink

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