EDN

Electronic Fuse for DC Short Circuit Protection

This is an electronic fuse that protects the load against short circuit. Relays must be chosen with a voltage value equals to the input voltage. Don’t omit using the 100uF capacitor with appropriate ...
EDN

Solid-state relays thwart short circuits, overload

The Series ZD, Series ZD20CF, Series ZD24CC, and Series LPD70 solid-state relays provide short-circuit and overload protection. The 1-A, 80-Vdc ZD uses a power FET switch and optical isolation to ...
Power Engineering

Is Your Investment in Protective Relays Paying Off? Programming Optimum Protection from Relays

An experienced protection and integration engineer can help determine the best configurable relay settings to provide maximum system protection and advanced functionality. Photo courtesy: Emerson ...
Electronic Design

Circuit Options Explore Issues, Solutions For Relay Drivers

Relays usually are driven using optocouplers, which offer isolation between analog and digital grounds to ensure that switching currents in the relay coils do not affect the noise margin of the ...
Electronic Design

Protecting Flybacks Against Short Circuits

For the PDF version of this article, including diagrams and/or equations, click here. In any off-line flyback converter design, it is possible that the output ...