The State-Space Nodal Solver for ARTEMiS
OPAL-RT has created a most unique simulation solvers specifically designed for microgrid, distribution systems and complex drive: ARTEMiS-SSN. It provides fast and accurate real-time simulation of such systems, using the most advanced processors and without introducing artificial delays.
How It Works
ARTEMiS-SSN optimizes all electric system models using an advanced decoupling technique called state-space nodal method. It virtually decouples large systems of state-space equations into smaller groups, whose solutions can be obtained simultaneously by using a nodal admittance method similar to the one found in well-known simulation software such as EMTP-RV. The resulting algorithm is much similar to EMTP-type ones except that part of the algorithms can be solved in parallel, on different processors, without adding any artificial delays in the solution. For additional information, view the two ARTEMiS-SSN technical papers below:
Real Results, in Real-Time
Watch the video and learn how ARTEMiS-SSN provides real results, in real-time.
ARTEMiS-SSN Key Features
- Can simulate complex power systems without any switch count limitations
- Can simulate distribution grid of 750 nodes below 100 µs of real-time step
- Can simulate complex drive systems without any switch count limit
- In-lined interpolation capability for 2-level and 3-level NPC inverter for simulation with up to 20 kHz PWM in real-time
- Provides rotating machine models (Synchronous, Asynchronous, PMSM) that do not require numerical snubber as opposed to Simscape Power Systems™ (formerly SimPowerSystems™) or PLECS ones
- Provides real-time iteration capable Surge Arrester model for improved precision
- Provides advanced frequency dependent line models, such as Modal/Marti and Phase/Wideband frequency dependant line models, not available in Simscape Power Systems
- Real-time compatible model such as On-Load Tap-Changing (OLTC) transformers
