Starter motors sit at the center of every modern ignition, yet most drivers only notice them when the key twist leads to silence. I want to unpack what that small electric motor actually does, how it ...

In troubleshooting situations involving a motor, more than half the battle is simply isolating the problem. Whenever there’s a working motor, there’s a load and there’s some sort of motor controller, ...

The NEC defines a controller in a few different ways. In Art. 100, a controller is described as “a device or group of devices that serves to govern, in some predetermined manner, the electric power ...

A soft starter has thyristors in its main circuit by which it adjusts motor voltage. Motors that run typical industrial applications employing conveyors, pumps, blowers, and compressors all have one ...

The opening part of this series laid out how the starter motor works, set the thing in the context of its electrical supply and suggested a few eyes-and-ears checks as the first steps in ...

Some are almost unnoticeable, others make the car shudder each time they activate—but stop-start systems are here to stay. First rolled out in Europe and Asia, where crowded city driving requires cars ...

Single-phase and 3-phase AC squirrel cage induction motors need some type of control circuit to initiate a start or stop function. The two types of ladder control circuits commonly used are the 2-wire ...

Electric motors, both ac and dc types, come in many shapes and sizes. Some are standardized versions for general-purpose applications. Others are intended for specific tasks. In any case, motors ...

Permanent magnet DC (PMDC) motors offer smaller solution size and increased efficiency in applications such as portable vacuums and cordless electric power tools. When designing an isolated power ...