OmniPower Sandbox — 電気設備シミュレーター
Simulate electrical circuits in your browser. Free.
What is OmniPower Sandbox — 電気設備シミュレーター?
OmniPower Sandbox is a free browser-based electrical equipment simulator. Place transformers, circuit breakers, CT/VT, and meters to simulate three-phase and single-phase circuits. Features include protection coordination simulation (fuse blowout, MCCB trip), real-time voltage/current/power readings, JSON save/load, and SVG/PNG export. No install or account required. Japanese/English language toggle included.
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