Journal of Shanghai Jiao Tong University

Journal of Shanghai Jiaotong University >

2025 , Vol. 59 >Issue 10: 1419 - 1430

DOI: https://doi.org/10.16183/j.cnki.jsjtu.2023.541

New Type Power System and the Integrated Energy

Design Methods for Power Secondary System Simulation in New Power Systems

  • HE Ruiwen ,
  • LU Jialiang ,
  • YANG Changxin ,
  • PENG Hao ,
  • MOHAMMAD Shahidehpour
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  • 1 School of Automation, Guangdong University of Technology, Guangzhou 510006, China
    2 Electrical and Computer Engineering Department, Illinois Institute of Technology, Chicago 60616, USA

Received date: 2023-10-26

  Revised date: 2024-01-04

  Accepted date: 2024-01-12

  Online published: 2024-01-24

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Abstract

Under the new situation, there is an urgent need to model and simulate the power secondary system which highly shares information and implements real-time decision-making, in line with the modeling and simulation requirements of new power systems. In this paper, design methods are proposed for the first time to achieve simulation of power secondary systems by correlating the operating status of the power primary system. The smart substation secondary system with complex functional descriptions is taken as the research object. First, an interrelated simulation method for power primary and secondary systems is proposed, and its simulation implementation framework, data interaction method, and data synchronization management are explained, which enables the actual electrical quantity data of the primary system to be transmitted to the secondary side, solving the problem of data source in the secondary system simulation. Then, a simulation design method for the power secondary system is proposed, incorporating system-level interaction design, component-level class design, and module-level state design based on the object-oriented unified modeling language (UML). Thus, the entire process of transmission, interaction, processing, and conversion of electrical quantity data in the secondary system can be analyzed. Finally, to validate the effectiveness of the proposed method, a case study is conducted using a short-circuit fault scenario at the 110 kV side outlet of the 220/110/10 kV main transformer bay, in conjunction with a differential protection scheme.

Key words： new power system; cyber-physical power system(CPPS); power secondary system; data synchronization (DS) management; unified modeling language (UML)

Cite this article

HE Ruiwen , LU Jialiang , YANG Changxin , PENG Hao , MOHAMMAD Shahidehpour . Design Methods for Power Secondary System Simulation in New Power Systems[J]. Journal of Shanghai Jiaotong University, 2025 , 59(10) : 1419 -1430 . DOI: 10.16183/j.cnki.jsjtu.2023.541

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