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J. Mahseredjian. J. Mahseredjian worked later with a small team of developers, including mainly S. Dennetière, O. Saad, C. Dewhurst and
Laurent Dubé, to deliver the new commercial version of EMTP, in 2003. It was then released under the version named EMTP-RV, RV meaning restructured version. This new commercial EMTP code introduced several major improvements in graphical user interface, programming practices and numerical methods. In 2004, J. Mahseredjian left
99:. The development of EMTP was then taken over and significantly accelerated by W. Scott Meyer. W. Scott Meyer collaborated with various researchers & experts including A. Ametani, Vladimir Brandwajn, Laurent Dubé, José R. Marti, Adam Semlyen. In 1981, the Development Coordination Group (DCG) of EMTP was proposed and formed by
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In 1996 J. Mahseredjian proposed to the DCG to abandon the old EMTP code and to rewrite it from scratch using modern programming languages, and latest numerical methods. His demonstrations and prototypes triggered the EMTP recoding (restructuring) project. The EMTP recoding project started in 1998 by
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left the DCG and W. Scott Meyer continued independently and personally developing with the existing EMTP code under the new name EMTP-ATP in his free time. ATP is acronym of
Alternative Transients Program being non-commercial and royalty-free version of EMTP. EMTP-ATP was then in 1987 available in
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commercializes a toolbox named
Simscape Electrical which is based on the state-space approach for solving electrical circuits and benefits from the powerful control system simulation environment of
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also developed a real-time EMT solver named
Hypersim. Hypersim is currently commercialized by Opal-RT Technologies Inc. PowerFactory – DIgSILENT has a full EMT-type simulation module.
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maintained his participation. Over the following years, several organizations became members of DCG-EMTP to contribute research, development and field tests. The list included:
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Over the years, several researchers worldwide contributed numerical methods and models for EMT-type simulations tools. The fundamental concept of companion circuit model with
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from
Germany to work on the development of a software named Electromagnetic Transients Program (EMTP). The EMTP development was part of a project for the development of
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with the companion circuit model and the constant-parameter transmission line model, to simulate electromagnetic transients. The companion circuit model used the
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workstations. The development work was continued mainly by
Vladimir Brandwajn, Jean Mahseredjian and L. Marti. In 1992, J. Mahseredjian, then working at
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38:. It is a software tool used by power systems engineers to analyse electromagnetic transients (generically "EMT") and associated insulation issues.
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The DCG has been dismantled some time after the release of the new commercial version of EMTP. Currently the commercial version is controlled by
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triggered other major software developments. The EMT-type software named EMTDC/PSCAD is currently developed and maintained by
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also started to develop a computer software for studying switching overvoltages for insulation coordination. In 1966,
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Electrical
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