The electromagnetic transient simulator built for AI agents. Trapezoidal nodal solver with steady-state power flow and machine initialization, addressable from this canvas, a CLI, or an MCP server. Beta: provided as is, results are not certified for engineering decisions.
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How to drive OpenEMT
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Plots: solid A, dashed B, dotted C. Drag to zoom, “Signals” picks what each plot shows.
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Best fit
Fixed-direction layouts are disabled
while they are reworked; Best fit chooses the orientation.
Breakers switch by conductance change with LU refactorization at events; opening clears at the first current zero after t open, per pole. 3-ph mode solves balanced uncoupled phases with 120° shifted sources. See SPEC.md for the physics and roadmap.