Motor Control Cheat Sheet (PDF)

Three-phase induction motors from nameplate to fault finding, on one clear 3-page sheet.

WHAT IS INSIDE

• Reading the nameplate, including the delta/star voltage pairs
• Synchronous speed table for 2 to 8 poles at 50 and 60 Hz, slip, current and torque with a worked example
• Star and delta terminal links (IEC markings)
• DOL, star-delta, soft starter and VFD compared
• Reversing and interlocks, and the start/stop control circuit with the seal-in
• Overload settings, including star-delta, and a symptom and likely cause table

WHO IT IS FOR

Electricians, apprentices and automation techs.

WHAT YOU GET

One PDF, A4 size, instant download after payment.

GOOD TO KNOW

• General training, not design advice. Follow the manufacturer's data, your wiring rules and your site's isolation procedures.
• For personal use. Please do not share or resell the file.

Made by Basic Sparky: PLCs and automation, made simple. Free motor calculators at app.basicsparky.com.