Modern ac power supplies are adept at cleaning up line conditions that can lead to garbled electrical test results. STEVE BOEGLE BEHLMAN ELECTRONICS, INC. IF you plug your product’s power cord into any unregulated standard factory ac main, there is a possibility that the power you are using could corrupt any testing you do. The […]
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Flexible power for critical mission systems
by Gerald Hovdestad, Behlman Electronics Commercial-off-the-shelf power equipment can be an option for situations that normally demand specialized designs optimized for harsh conditions. A lot of DOD and industrial equipment is so specialized that it must be custom-developed – it just can’t be bought off-the-shelf. Ironically, there is a large array of commercial products that […]
Cutting AC Line Harmonics: A Three-Phase challenge
by GERALD HOVDESTAD, Behlman Electronics In years past, all loads connected to ac supply lines were either resistive, such as light bulbs and heaters, or simple inductive loads, such as fixed-speed ac motors. These types of loads drew currents from the ac supply that were sinusoidal (though they were not precisely in-phase with the ac […]