[Nothinglabs] built this motor controller as an alternative to using an H-bridge. They call it the RAT controller which stands for “Relay and Transistors”. You can see above that two Darlington ...

The logic and expansion I/O in MMRs can add a number of functionalities that go beyond its embedded firmware. Most industrial facilities include electric motors that require overload relays for ...

Over the years, control relays of various types have been used by the hundreds — even thousands — to control nearly every function in commercial and industrial processes. Today, many of those ...

PULLMAN, WA — September 26, 2013 — Schweitzer Engineering Laboratories, Inc. (SEL) today announced the introduction of the SEL-710-5 Motor Protection Relay, which protects both synchronous and ...

Vector Control, also known as Field Oriented Control or FOC is an AC motor control scheme that enables fine-grained control ...

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 ...

Menlo Microsystems is demonstrating a way to scale its MEMS relays – micro electromechanical relays – to “power distribution and control systems to 10MW and beyond” today at PICM in Nuremberg. Based ...