Have you tried the spec tool yet? It´s pretty fun. Check it out.

Our programmers are calling this the alpha version of the spec tool. We think it´s good enough to share and we know there are some bugs. You´re invited to help direct the process of improving the tool. Please share any fixes or features that you´d like to see. We´ll continue to rely on your opinions to guide future tool upgrades. Thanks for sharing your thoughts.

Designing transformers to take advantage of low duty cycle applications can save on physical size and save on original investment cost. But if the user does not appreciate what duty cycle means, it can quickly mean the loss of the original investment.

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Welcome to the new and improved Osborne Transformer website. We're very excited about the new look and feel, and in particular we'd like you to check out our new spec tool, which offers you the ability to define characteristics that you're looking for in 17 types of custom transformers and inductors.

An electrical transformer is an impedance matching device. This is a well-known fact. Here is an interesting application taking advantage of that fact.

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This from a press release type post at Renewableenergyaccess.com:

"Work at MIT's Laboratory for Electromagnetic and Electronic Systems (LEES) holds out the promise of the first technologically significant and economically viable alternative to conventional batteries in more than 200 years."

Electrical engineers are not often taught in undergraduate school why a saturable reactor is often called a magnetic amplifier. So, here is a post to explain why. A saturable reactor is a magnetic amplifier since it can control the transfer of a significant amount of AC volt-amperes with a relatively small amount of DC volt-amps. The amplification factor is the ratio of the output volt-amperes divided by the DC control volt-amperes.

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The process of repairing transformers can be a dirty job. But tearing down a transformer can be very educational and technically rewarding. I recently had the opportunity of disassembling a defective transformer for a local utility. This transformer is part of a 1950's vintage transmitter used to locate "system faults" on a 4,800 volt distribution system.

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Passive inductors are often used in test equipment for Design Verification (DV) and Functional Testing (FT) of automotive and other vehicle loads. Test equipment manufacturers should be aware of the characteristics that determine the physical sizes of these components.

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This PDF from MSU's engineering school describes how to create circuit schematic diagrams (PDF) using Microsoft Visio 2003 and it's electrical engineering tool set.