Konferensartikel

Modeling and Simulation of SSPC based on Dymola Software and Modelica Language

Yufeng Wang
Northwestern Polytechnical University

Yufei Tao
Northwestern Polytechnical University

Qinzhou Lin
Northwestern Polytechnical University

Weilin Li
Northwestern Polytechnical University

Ladda ner artikelhttps://doi.org/10.3384/ecp2020174127

Ingår i: Proceedings of Asian Modelica Conference 2020, Tokyo, Japan, October 08-09, 2020

Linköping Electronic Conference Proceedings 174:15, s. 127-131

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Publicerad: 2020-11-02

ISBN: 978-91-7929-775-6

ISSN: 1650-3686 (tryckt), 1650-3740 (online)

Abstract

Solid State Power Controller (SSPC) is one of the key components of aircraft power distribution system. It is a switch device composed of solid-state semiconductor devices, which is used to switch on/off the circuit and realize the control and protection of power distribution bus. It is one of the important components of aircraft automatic power distribution technology. Compared with traditional mechanical switches, the SSPC does not cause mechanical wear, has a low failure rate, and has high reliability, which is especially suitable for aviation applications. Compared with smart contactors, SSPC is small in size and high in integration, meeting the streamlined requirements of advanced aircraft electrical systems for power distribution devices. The Dymola simulation software based on Modelica language has the advantages of simple operation, high integration, and convenient for collaborative simulation. This paper first introduced the basic principle of SSPC, then combined with Modelica language and Dymola simulation software to model and verify the function of current limiting, overcurrent protection and short circuit protection of SSPC, numerical simulation results were also provided.

Nyckelord

SSPC, Dymola modeling, Modelica language

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