EDN

Back EMF and electric motors: From fundamentals to real-world applications

It ‘s worth noting that back EMF plays a critical role as a natural current limiter during normal motor operation. When motor ...
EDN

A tutorial on instrumentation amplifier boundary plots—Part 1

Here is a close look at the common- versus differential-mode voltage and instrumentation amplifier (IA) topologies.
IEEE

Reverse Blocking Over Current Busbar Protection Scheme Based on IEC 61850 Architecture

Abstract: Substation Automation System (SAS) is currently in a matured state of technology that shall facilitate transformational changes from conventional protection scheme. IEC 61850 protocol is ...
IEEE

Anomalous Decrease of Field-Emission Tunneling Current for Poly-Si/4H-SiC Power Heterojunction Under Reverse Bias Stress

Abstract: The reliability of the low-barrier Poly-Si/4H-SiC heterojunction is experimentally demonstrated for the first time, with a superior long-term forward conduction and reverse blocking ...