OTIS OVF20 Inverter – Working Principle Explained

How It Works

The OVF20 converts AC power (380V / 220V) into DC through an internal rectifier, then uses capacitors to smooth the voltage.
Through PWM (Pulse Width Modulation), the inverter converts DC back into variable-frequency AC, controlling motor speed precisely.

Core Components

✔ MCBII (Motion Control Board) – the “brain” of the system, processing all input/output signals
✔ PDB Board – controls power devices to complete the inversion process
✔ Speed Feedback System – receives signals from sensors (PVT) to ensure accurate speed control
✔ Current Protection System – monitors output current and protects the inverter from overload

Why It Matters

✔ Smooth acceleration & deceleration
✔ Precise speed control
✔ Enhanced safety with real-time monitoring
✔ Stable and reliable elevator performance

🔧 A well-functioning inverter means better ride comfort and higher system safety.

📩 Need technical support or OVF20 spare parts? Contact our expert team today.

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