EDN

Current-sense transformer circuit design for average current-mode control

Here are the steps required to select the transformer and how to design the circuit needed to meet the end use in a manner that prevents transformer saturation Average current-mode control (CMC) ...
Electropages

Service for finding the right current sense transformers

Würth Elektronik has expanded its free design tool REDEXPERT to include the Current Sense Transformer Selector. It allows developers to select the appropriate current sense transformers based on ...
Electronic Design

A Better Transformer Equivalent Circuit

Download this article in PDF format. If you search the internet for “transformer equivalent circuits,” you’ll get five pages of over 100 small circuit diagrams. Figures 1 and 2 show two typical ...

Guide to transformer kVA ratings: How to determine what size transformer you need

Elsco Transformers reports that choosing the right transformer size involves calculating kVA based on voltage and current for ...
Electricity Forum

A Transformer Protection Relay Demands More Than Overcurrent Logic

A transformer protection relay does not replace upstream devices. It defines responsibility. By clearly assigning fault ...
Electronic Design

Gate Drive Transformer Circuit Maintains Fast Turn-Off Time

This gate-drive transformer (GDT)circuit allows the drive signal to the MOSFET to range from 50% down to 0%, while still offering a fast turn-off that cannot be accomplished with a simple load ...