PPolySim OS
For Educators · Motor Torque–Speed

Motor Torque–Speed for a buck converter

Built for educators teaching it to a class. Drop a live demo into a lecture or assign it as a shareable link — no lab installs. Simulate a buck converter live below — adjust the inputs and watch it respond, right in your browser.

DC Motor Torque–SpeedLive

Controls

Presets

A DC motor trades torque for speed along a straight line: maximum torque at stall, maximum speed at no load. Mechanical power (torque × speed) peaks right in the middle, at half the no-load speed. Educational tool.

▶ Run in Python

Data Inspector

Operating speed300 rpm
Output power25.1 W
Peak power26.2 W @ 250 rpm

Governing equation

Reading this result: Light load: the motor spins up past half-speed toward no-load, trading available torque away for RPM.

Runs locally in your browser — free forever. Scale to the cloud when reality gets heavy.

or unlock everything with Pro →

More with Motor Torque–Speed

Frequently asked questions

Is this good for educators?
Yes — this version of "Motor Torque–Speed for a buck converter" is framed for educators teaching it to a class. Drop a live demo into a lecture or assign it as a shareable link — no lab installs.
Do I need to install anything?
No. It runs in any modern browser, free, with no account required.