5 reasons for variable-speed drive failure

Like all electronic equipment, from time to time a variable-speed drive (VSD) will fail. Here we look at five of the most commons reasons ...

Surge protection: How to look after your control panels

In an age when businesses are more reliant than ever on electronic devices and instrumentation, it’s surprising that surge protection is so...

What is the difference between permanent capacitor and capacitor start capacitor run electric motors?

In single-phase electric motors, the stator windings are not capable of starting the rotor, but can sustain the motion once it begins. Th...

Electric motor insulation classes explained

We list the four common insulation classes of electric motors with an explanation of how they're calculated. The electrical insul...

A brief history of electric motors

We owe a lot to the humble electric motor, so here’s a timeline of the pioneering figures and their discoveries which helped develop it. ...

Gibbons jargon buster #5: What's the difference between single-phase and three-phase motors?

How exactly do single-phase and three-phase electric motors differ? Our latest jargon buster blog has all the information you need. A quic...