They feature a mess of triangles and squares showing how all the circuits and relays up and down the lines ... is hastily sifting through the old diagrams in the dingy room at the DeKalb Avenue ...

Standard safety circuit designs often use many safety relays to accommodate multiple inputs from emergency ... determine the best configuration and obtain a circuit diagram output to document the ...

Extensive Matlab/Simulink supported examples and simulation program code/block diagrams are included throughout ... covering variable structures, including relays and feedback control with switching ...

In this interview, Chris Urban shares his work in automation, his DIY PLC trainers, and how his social media presence helps ...

TDK Corporation has introduced two new high-voltage contactors designed for use in demanding applications. The HVC43MC integrates a mirror contact for position detection, while the HVC45 offers ...

Omron has designed a relay that can interrupt 200A at 500V, aiming to displace contactors from dc electric vehicle chargers, batteries and solar inverters. “A proprietary gas-less design cools arcs ...

In practice, one of the most recent incidents was in 2021, when approximately 3 GW of power were unexpectedly lost in Poland, ...

Before today, we probably would have said that scratch-built relay computers were the sole domain of only the most wizardly of graybeards. But this impressive build sent in by [Will Dana] shows ...

The protocol aims to make it hard for a single entity to control content that users of a social network can see, by breaking down social services into three components: Personal Data Servers (PDS), ...

A properly designed protection system with downstream devices (breakers/fuses/relays) should be activated before upstream devices. This minimizes the system portion affected by a fault or other ...