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A list of basic components from the EMTP libraries that are fully supported in HYPERSIM is presented in EMTP | List of Compatible Components. Note that these basic components (or blocks) are used in EMTP to build high-level models (or subsystems) such as synchronous machine control systems from the Exciters and Governors library (from EMTP 4.1). Therefore, EMTP subsystem components can be compatible in HYPERSIM if all the basic blocks composing the subsystem are supported. This section is intended to help the user to prepare an EMTP control block to be used on HYPERSIM.
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For a time-domain simulation, the sequential algorithm in HYPERSIM detects an algebraic loop and automatically introduces a delay block to break it, see the Figure figure above. Note that the pure delay block automatically holds a history value equal to 0 (output = 0 at t = 0). Then, the input of the block Vr at t = 0, which must be “Vin_ic” (history value of the previous block “Vef”), becomes null (history value of the delay block). This produces numerical oscillations at the output EFD during a simulation, as observed in the following Figure.
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These blocks are located in your Hypersim HYPERSIM Installation under C:\OPAL-RT\HYPERSIM\%HYPERSIM_VERSION%\Windows\HyperWorksUI\HyLibs\hidden.
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