EC&M

Decoding NEC Art. 450 for Distribution Transformers

Distribution transformers must adhere to NEC and NFPA 70 standards, with specific requirements for overcurrent protection, ...
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 ...
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) ...
Electronic Design

Performing In-Circuit Inductor and Transformer Measurements in SMPS (.PDF Download)

In switched-mode power supplies (SMPS), magnetic components, namely inductors and transformers, play critical roles. Much of the SMPS design process relies on component specifications and simulation ...
EDN

Resettable circuit protection devices protect electric motors and transformers

Raychem Circuit Protection, a business unit of Tyco Electronics, has announced the introduction of its PolySwitch(tm) LVR series of resettable circuit protection devices. PolySwitch LVR devices help ...