Real-time EMTP-based transients simulation

Martí, José; Linares, L.R.

doi:10.1109/59.336135

Cited by 99 publications

(31 citation statements)

References 7 publications

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“…After almost a decade now, various research groups have been able to achieve real-time performance [9], [10], [11], [12]. The real-time research group of the University of British Columbia has been continuously advancing the concept of a full-size real-time power system simulator, which eventually resulted in the OVNI [13] power system simulator.…”

Section: Real-time Power System Simulationmentioning

confidence: 99%

“…There are mainly five well-known research groups working in the field of real-time power system simulators using different approaches. Electricité de France (EDF) and Hydro Que- Stemming from this work several other research projects originated at UBC, examples of which are the RTNS extensions and hardware implementation for testing relays [16] developed by Jesús Calviño; the Multi-layered tearing solution software [10]; and the Real-Time Distributed Network Simulator, developed by J. Hollman (RTDNS) [17]. See Fig.1.1.…”

Section: Real-time Power System Simulationmentioning

confidence: 99%

“…OVNI's discrete time solution is based on the EMTP discretization method. It was developed by Martí and Linares to simulate large electric networks in real-time and its software and hardware architectures are described in the following publications [10], [18], [13], [19], [21], [22] and [57], among others. The OVNI simulator is built around the Multi Area Thévenin Equivalent (MATE) concept, which is described in the following section, and was developed as an object oriented application written in C++.…”

Section: Ovnimentioning

confidence: 99%

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Step-by-Step Eigenvalue Analysis With EMTP discrete-time Solutions

Hollman

Martí

2010

IEEE Trans. Power Syst.

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The present work introduces a methodology to obtain a discrete time state space representation of an electrical network using the nodal [G] matrix of the Electromagnetic Transients Program (EMTP) solution. This is the first time the connection between the EMTP nodal analysis solution and a corresponding state-space formulation is presented. Compared to conventional state space solutions, the nodal EMTP solution is computationally much more efficient. Compared to the phasor solutions used in transient stability analysis, the proposed approach captures a much wider range of eigenvalues and system operating states. A fundamental advantage of extracting the system eigenvalues directly from the EMTP solution is the ability of the EMTP to follow the characteristics of nonlinearities. The system's trajectory can be accurately traced and the calculated eigenvalues and eigenvectors correctly represent the system's instantaneous dynamics. In addition, the algorithm can be used as a tool to identify network partitioning subsystems suitable for real-time hybrid power system simulator environments, including the implementation of multi-time scale solutions. The proposed technique can be implemented as an extension to any EMTPbased simulator. Within our UBC research group, it is aimed at extending the capabilities of our real-time PC-cluster Object Virtual Network Integrator (OVNI) simulator.

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Section: Real-time Power System Simulationmentioning

confidence: 99%

Section: Real-time Power System Simulationmentioning

confidence: 99%

Section: Ovnimentioning

confidence: 99%

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Step-by-Step Eigenvalue Analysis With EMTP discrete-time Solutions

Hollman

Martí

2010

IEEE Trans. Power Syst.

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“…Firstly, as information does not propagate faster than the speed of light, if the line travel time is longer than one time-step, effectively the two sides of the TL are computationally decoupled and can be executed in parallel on the GPU. This fact is used in many real-time simulators such as [25], [26]. Also, calculations in the modal domain themselves can be performed in parallel.…”

Section: E Gpu-based Implementation Of Other Power System Componentsmentioning

confidence: 99%

Graphics-Processing-Unit-Based Acceleration of Electromagnetic Transients Simulation

Debnath

Gole

Fung

2016

IEEE Trans. Power Delivery

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“…ATP enables the simulation of electromagnetic transient phenomena on the basis of sophisticated models of transmission lines, transformers, electric machinery, etc., as well as the components of circuits and elements that control the switches and triggers of thyristors [10,11]. Studies conducted in the 1990s that continued until 2010 [12][13][14] reported the development of real-time simulators based on EMTP [15,16].…”

Section: Introductionmentioning

confidence: 99%

PC Implementation of a Real-Time Simulator Using ATP Foreign Models and a Sound Card

2018

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This work reports the personal computer implementation of a real-time simulator based on the widely used Electromagnetic Transients Program, version Alternative Transients Program (EMTP-ATP) software for testing protection and control devices. The proposed simulator was implemented on a conventional PC with a GNU/Linux operative system including a real-time kernel. Using foreign models programmed in C, ATP was recompiled with the PortAudio (sound card I/O library) with tools for writing and reading the parallel port. In this way, the sound card was used as a digital-to-analog converter to generate voltage waveform outputs at each simulation time step of the ATP, and the parallel port was used for digital inputs and outputs, resulting in a real-time simulator that can interact with protection and control devices by means of hardware-in-the-loop tests. This work uses the minimum possible hardware requirements to try to implement a real-time simulator. Due to the limitation of two channels, this simulator was used mainly to demonstrate the implementation methodology concept at this stage; this concept could potentially be expanded with more powerful hardware to improve its performance. The performance of the implemented simulator was analyzed through interactions with a real intelligent electronic device (IED). Furthermore, a comparison with the results obtained by means of the well-known real-time digital simulator (RTDS) was presented and discussed.

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Real-time EMTP-based transients simulation

Cited by 99 publications

References 7 publications

Step-by-Step Eigenvalue Analysis With EMTP discrete-time Solutions

Step-by-Step Eigenvalue Analysis With EMTP discrete-time Solutions

Graphics-Processing-Unit-Based Acceleration of Electromagnetic Transients Simulation

PC Implementation of a Real-Time Simulator Using ATP Foreign Models and a Sound Card

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