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Simulation of Electromagnetic Transients with Modelica, Accuracy and Performance Assessment for Transmission Line Models

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Electromagnetic Transient (EMT) simulation tools are typically developed using an imperative language. It is typically required to code the models using a specific numerical integration method and following existing solution algorithms. On the other hand, modern high-level, acausal and equation-based programming languages, such as Modelica, allow to formulate models that are easy to read, understand and develop by expressing what needs to be computed without stating how it should be computed. In this paper, the application of Modelica to EMT modeling is demonstrated and the benefits of the language for EMT-type simulations is established. This is done by using the declarative language concept for the development of two models, namely the Constant Parameter (CP) and the Wide-Band (WB) models. Three case studies are presented and used to validate the models and to compare accuracy and performance.

Author(s):

Alireza Masoom    
Polytechnique Montreal
Canada

Tarek Ould-Bachir    
Polytechnique Montreal
Canada

Jean Mahseredjian    
Polytechnique Montreal
Canada

Adrien Guironnet    
RTE
France

Ni Ding    
RTE
France

 

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