The OPAL-RT Power Electronics Add-On for NI VeriStand is a powerful FPGA-based simulation tool for Hardware-in-the-Loop (HIL) testing of controllers for power electronics applications. The Power Electronics Add-On combines the performance of several leading floating-point FPGA solvers developed by OPAL-RT Technologies with an intuitive workflow integrated directly within the NI VeriStand software suite to create a scalable and flexible HIL test bench.
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NI VeriStand is an application software developed and maintained by NI that enables the configuration of simulation models, I/O channels, data logging, stimulus generation, and host communication for NI real-time hardware. Although this document does not focus on the features of VeriStand, it is useful to understand the typical VeriStand workflow and out-of-the-box features. For more information and resources, please see What is VeriStand?
The VeriStand environment Environment includes the following major components:
VeriStand Editor - The VeriStand Editor conveniently regroups all the different components that make up a VeriStand application. It can be used to easily access project files, including the System Definition and WorkspaceScreen files. This interface is also used to start, deploy, and stop the real-time application.
System Explorer Window - The System Explorer is used to modify the System Definition file, which contains pre-execution settings of the real-time application. In other words, all the settings and parameters that must be configured before the application is deployed and run are managed here. The System Explorer can be used to easily configure DAQ hardware, XNET hardware, Custom Devices (like the OPAL-RT Power Electronics Add-On for NI VeriStand), Simulation Model, Procedures, and more.Workspace - The VeriStand Workspace enables the creation of user interfaces that can be modified before or during the execution of an application. User Interfaces can also be created directly in the VeriStand Editor, although in VeriStand 2019 and below the Workspace is recommended for use with the Power Electronics Add-On because it allows the display of Waveform signals.
Power Electronics Simulation Workflow
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