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Preparation and testing time is reduced due to the PSCAD Graphical User Interface.
In EMTDC, many series and parallel electric elements are mathematically collapsed (such as an RLC branch) to reduce the amount of nodes and branches.
The Optimal Ordering algorithm in EMTDC serves to increase LDU matrix decomposition speed.
The Optimal Switch Ordering algorithm ensures that switching operations are very fast and efficient by moving switching elements to optimal conductance matrix positions.
EMTDC utilizes subsystems, which takes advantage of the fact that the numerical solution of electric networks, separated by travelling wave transmission lines, are mathematically independent.
An Interpolation algorithm is used in EMTDC to perform switching operations. This allows any switching event to occur at the exact switching instant, even if this instant is between time steps. This allows EMTDC to run at a larger time step (faster), yet maintain accurate results. Also, additional snubber circuits are not needed to address inherent numerical troubles.
What is EMTDC?
EMTDC (which stands for Electromagnetic Transients including DC) represents and solves differential equations (for both electromagnetic and electromechanical systems) in the time domain. Solutions are calculated based on a fixed time step, and its program structure allows for the representation of control systems, either with or without electromagnetic or electromechanical systems present.
The World's Most Advanced Tool for Power Systems EMT Simulations
PSCAD has benefited from over 40 years of continuous research and development. We are inspired by the ideas and feedback from our global user base. This philosophy has helped establish PSCAD as the most popular power system transient simulation package available today.
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