Abstract
In this paper is described the implementation of the frequency-dependent line model (FD-Line) in a real-time digital power system simulator. The main goal with such development is to describe a general procedure to incorporate new realistic models of power system components in modern real-time simulators based on the Electromagnetic Transients Program (EMTP). In this procedure are described, firstly, the steps to obtain the time domain solution of the differential equations that models the electromagnetic behavior in multi-phase transmission lines with frequency dependent parameters. After, the algorithmic solution of the FD-Line model is implemented in Simulink environment, through an S-function programmed in C language, for running off-line simulations of electromagnetic transients. This implementation allows the free assembling of the FD Line model with any element of the Power System Blockset library and also, it can be used to build any network topology. The main advantage of having a power network built in Simulink is that can be executed in real-time by means of the commercial eMEGAsim simulator. Finally, several simulation cases are presented to validate the accuracy and the real-time performance of the FD-Line model.
Highlights
Real-Time digital power system simulators are a novel technology of recent development based on supercomputers for testing physical equipment such as protective relays and control systems (Dargahi et al, 2012; Dufour et al, 2014; Guillaud et al, 2015; Kuffel et al, 1995)
This paper provides some test simulation cases of power systems for assessing the accuracy and the real-time performance of the frequency-dependent line model (FD-Line) model
A comprehensive description of the real-time version of the frequency-dependent line model (RTFD-Line) model has been presented in this paper
Summary
Real-Time digital power system simulators are a novel technology of recent development based on supercomputers for testing physical equipment such as protective relays and control systems (Dargahi et al, 2012; Dufour et al, 2014; Guillaud et al, 2015; Kuffel et al, 1995). Implementation of the Frequency Dependent Line Model (FD-Line) in a Real-Time Power System Simulator. In this paper is described the implementation of the frequency-dependent line model (FD-Line) in a real-time digital power system simulator.
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