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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The OPAL-RT electric Hardware Solver (eHS), a floating-point solver that enables users to simulate an electric circuit on FPGA simply and without having to write the mathematical equations. It is typically used to simulate power electronics systems such as converters, inverters, and drives.
FPGA-basedElectric Machine Model solvers including permanent magnet synchronous machine (PMSM) and induction machine (IM) configurations
Sub-microsecond simulation time-steps
Simple and intuitive user interfaces (UIs) for connecting the electrical model inputs and outputs to high speed Input/Output (IO) to create an interface between the simulated model and a real Device Under Test (DUT)
Signal generation engines (Sinewave, PWM, Sinusoidal PWM) built directly into the FPGA design to generate control signals for open and/or closed loop testing
Compatibility with the NI VeriStand platform which includes support for automotive communication protocols (CAN, XNET, FlexRay), data acquisition hardware (DAQ), simulation models, procedures, signal conditioning via SLSC, and more.
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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 includes the following major components:
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