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Content tagged with Power
posted in April 2002
A Novel SPWM VVVF AC Drive Using a Discrete Analog Approach with SCF
Design How-To  
4/19/2002   Post a comment
Although AC induction motors are widely used, it is difficult to control the speed of these components. Rodel Vincent Andrada y Corcuera of the University of the Philippines-Diliman describes a novel and cost-effective type of DC-to-AC inverter circuit for induction-motor speed control.
Power Distribution Planning
Design How-To  
4/17/2002   Post a comment
In UDSM design power distribution can be more important than power consumption. This primer on managing UDSM power grid design issues, by Resve Saleh, Michael Benoit, and Pete McCrorie of Simplex Solutions, addresses IR drop, ground bounce, pin inductance, and electromigration.
High Repetition Rate Thyristor Driver for a Magnetic Modulator
Design How-To  
4/5/2002   Post a comment
You find pulsed laser modulators, driven by a distributed-gate fast thyristor, in several high current/high volatge applications such as pulsed gas lasers and particle accelerators. Dharmraj V. Ghodke and Muralikrishanan. K. of the Laser Systems Engineering Division Center for Advanced Technology in India describe a thyristor gate-driver for delivering a 4µs, greater than 80A pulse with a rise time under 100ns and a 7kHz repetition rate.


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Max Maxfield

The Best of the Best Videos on YouTube
Max Maxfield
2 comments
A couple of days ago, my chum Paul was visiting me in my office. He'd wandered over from his cubicle in the next bay to take a brief coffee break. This week, Paul had been admiring the ...

Jolt Judges and Andrew Binstock

Jolt Awards: The Best Books
Jolt Judges and Andrew Binstock
1 Comment
As we do every year, Dr. Dobb's recognizes the best books of the last 12 months via the Jolt Awards -- our cycle of product awards given out every two months in each of six categories. No ...

Engineering Investigations

Air Conditioner Falls From Window, Still Works
Engineering Investigations
2 comments
It's autumn in New England. The leaves are turning to red, orange, and gold, my roses are in their second bloom, and it's time to remove the air conditioner from the window. On September ...

David Blaza

The Other Tesla
David Blaza
5 comments
I find myself going to Kickstarter and Indiegogo on a regular basis these days because they have become real innovation marketplaces. As far as I'm concerned, this is where a lot of cool ...