EDN

Toroidal Core Transformers: RU-2

Single-phase toroidal variable transformer according to DIN VDE 0552, designed as autotransformer (autoconnected winding), with rotary switch and scale. Voltage adjustable between zero and max. value.
Electronic Design

Small, Light Toroidal Cores Shrink Power Transformers

The O-Core toroidal power transformer cores enable the production of transformers that are 15% smaller in size and weight than traditional toroidal transformers. The cores use a silicon steel strip ...
EDN

Toroidal core approaches ideal

from 1.26 (i.d.) x 2.52 (o.d.) x 0.65 to 2.95 (i.d.) x 6.54 (o.d.) x 1.85 in. (From $1.68–available now.) ...
Railway Technology

Signal Transformer Announces HCTC/HCTI Design Kit: Select Combination of High Current Toroidal Chokes and High Current Toroidal Inductors Available

Signal Transformer, a Bel group company, has released its High Current Toroidal Choke (HCTC) and High Current Toroidal (HCTI) Design Kit Combination. Featuring 16 of their most popular HCTC and HCTI ...
T&D

Reliable Demagnetization of Transformer Cores

Whenever a power or distribution transformer is isolated from the power system, it is probable that residual magnetism remains in the core due to the phase shift. However, residual magnetism also ...